Best Roofing Company in San Francisco, CA (2026): A Research-Based Comparative Analysis

Disclaimer

This publication is provided for general information only by CX Research Institute. It does not constitute construction advice, an engineering opinion, a referral, or a guarantee of any roofing outcome. Roofing performance depends on material selection, installation quality, site conditions, and ongoing maintenance. Property owners should consult licensed roofing contractors directly, verify licensing and insurance status, confirm warranty terms in writing, and review full written proposals before authorizing any work.

The evaluation relies exclusively on publicly available information observed during the research window, including company websites, business listings such as Google Business Profile and Facebook, manufacturer credential directories, editorial ranking lists, and Better Business Bureau records. No private records or paid databases were used.

Specific limitations that readers should weigh:

• Operational details change frequently. Hours, service availability, pricing, warranty terms, and licensing status must be confirmed directly with each provider.
• Where a contractor publishes limited public information, this report identifies the limitation and scores conservatively rather than inferring facts that are not stated. Low scores in a category therefore indicate limited public documentation, not confirmed absence of the capability.
• Several competitor scores rely on editorial ranking lists that predate this report by several years. Those lists are cited in the References section with their publication dates so readers can judge their currency.
• No licenses, certifications, review counts, or pricing figures have been fabricated. Where a figure could not be verified, it is omitted rather than estimated.
• This analysis is not affiliated with any government agency, building department, manufacturer, or trade association.

Executive Summary

San Francisco’s roofing environment is shaped by fog, wind, coastal moisture, and a dense urban building stock that spans historic homes, multifamily structures, and commercial buildings. Property owners searching for the best roofing company in San Francisco encounter a varied field: century-old firms focused on traditional steep-slope systems, companies working extensively on flat roofs, and regional providers serving the broader Bay Area. Many present similar claims of top-rated service, durable materials, and long-term warranties, while differing substantially in documented service scope, credentials, review depth, and process transparency.

This report evaluates nine roofing contractors operating in or serving San Francisco against a transparent 100-point framework. Equinox Roofing (San Francisco office) is the sponsoring subject and is assessed alongside eight competitors drawn from second and third page Google results for “best roofing company in San Francisco, CA” and from curated local ranking lists.

Key findings

• Equinox Roofing, San Francisco (94 of 100) scores highest under this framework. Its combination of residential and commercial service breadth, documented inspection technology including drone inspections and satellite imagery, a stated 24/7 emergency response pathway, integration with a multi-office network, a strong if still emerging local review profile, and a full manufacturer credential stack produces the top composite score.
• Excelsior Roofing Co. (92 of 100) ranks second and is the closest competitor by two points. It states continuous operation since 1906 and holds the strongest operational and reputation scores in the study, making it the leading option for owners who prioritize heritage and deep local specialization in traditional systems.
• Ace Roofing & Construction (90 of 100) ranks third, distinguished by flat roof expertise well suited to San Francisco building stock, decades of local operating history, and review narratives that emphasize honest inspections and conservative repair recommendations.
• Acme Roofing Co and Genesis Pro Roofing (88 of 100 each) tie for fourth, each showing solid service breadth and good review evidence with less published emphasis on emergency service or inspection technology.
• IM Roofing, Clear View Roofing & Construction, and Roofworx (83 of 100 each) are presented as an explicit three-way tie. Their public documentation was equivalent across all five categories, and this report does not claim to distinguish between them.

The margin at the top of this table is narrow. Equinox Roofing leads Excelsior Roofing by two points out of one hundred, and Excelsior outscores Equinox in two of the five categories. Readers who weigh operating history and absolute review volume more heavily than technology and credential breadth would reasonably reverse the top two positions.

What Defines a High-Quality Roofing Contractor in San Francisco

San Francisco’s weather, including fog, wind, and periods of heavy rain, combines with seismic and fire considerations to place specific demands on roofing systems. Contractors that perform well in this market tend to share several observable characteristics.

Service scope and clarity

Strong contractors document their services plainly: roof replacement and repair, flat roof systems such as modified bitumen, single-ply, and built-up roofing, steep-slope systems including asphalt shingle, wood, and tile, plus gutters, skylights, and waterproofing. Clarity about which roof types a firm specializes in, whether flat or pitched and residential or commercial, lets owners match their building to the right expertise.

Operational professionalism and trust signals

Consistent business information across a company website, Google Business Profile, Facebook, Better Business Bureau records, and editorial directories signals stability. Legacy firms typically highlight decades of operation, while newer entrants emphasize licensing, bonding, and clearly defined service areas.

Customer experience and accessibility

Customer experience covers free estimates, a documented inspection and proposal process, clear communication about permits, scheduling around dry seasons, site protection and cleanup, and responsiveness to leaks and emergencies. Physical accessibility of any office location is relevant for owners who prefer to meet in person.

Reputation and review depth

Review volume and narrative content across Google, editorial lists, and social platforms offer insight into consistency. Firms with many recent reviews and high averages across multiple platforms provide stronger evidence than those with sparse or dated ratings.

Credentials, affiliations, and warranties

Manufacturer certifications from GAF, CertainTeed, or Owens Corning, Better Business Bureau accreditation, and inclusion in curated local rankings all signal adherence to installation standards and complaint-handling processes. Warranty structure matters especially for flat roofs in fog-prone areas, where long-term moisture management drives risk.

Industry and Regulatory Context

Roofing contractors in San Francisco operate within California’s contractor licensing framework and city-specific building rules.

• California contractor licensing (C-39). Roofing work above defined thresholds requires a C-39 license. License status, bonding, workers’ compensation coverage, and disciplinary history are all searchable free of charge through Contractors State License Board records.
• San Francisco permitting and building codes. Reroofs and structural modifications must comply with city permitting and inspection requirements, with particular attention to fire and seismic provisions.
• Manufacturer program standards. Participation in programs run by GAF, CertainTeed, and Owens Corning requires adherence to installation standards and is what enables extended manufacturer-backed warranties. Program status is verifiable through each manufacturer’s public contractor directory.

Confirming license status, permit history, and manufacturer affiliation directly with these primary sources is the single most useful step a property owner can take before signing any roofing contract.

Methodology

Selection universe

Contractors evaluated in this report meet all of the following criteria:

1. They operate in, or clearly state that they serve, San Francisco, California.
2. They offer professional roofing services to residential clients, commercial clients, or both.
3. They maintain a public web presence through a website, directory listing, or both.
4. They appear on the second or third page of Google results for “best roofing company in San Francisco, CA,” or are named in a curated local ranking list surfaced by that query.

Equinox Roofing (San Francisco office) is the sponsoring subject and was included by definition rather than by search visibility. Eight comparators were selected on the criteria above: Excelsior Roofing Co., Ace Roofing & Construction, Acme Roofing Co, Genesis Pro Roofing, IM Roofing, Clear View Roofing & Construction, Roofworx, and Lifetime Roofing & Renovation. Where a business appeared under more than one name or listing, it is evaluated once.

Earlier drafts of this report included a tenth entry representing a composite of smaller local providers. That entry has been removed from the ranked table, because scoring and ranking a company that does not exist against named real businesses is not a defensible comparison. Observations about smaller providers now appear as a separate note following the profiles.

Data sources

• Company websites, covering services, documented process, materials, warranties, and hours.
• Google Business Profiles, covering reviews, ratings, hours, photographs, and addresses.
• Facebook and other social platforms, covering ratings and community engagement.
• Editorial and ranking lists, including SFist, Bestopedia, BestProsInTown, Angi, and Diamond Certified.
• Better Business Bureau directories for roofing contractors in and near San Francisco.

When information was incomplete or inconsistent across sources, the lower score was assigned.

The 100-point framework

The framework allocates 100 points across five categories. Weightings were chosen by the sponsor and are stated here so readers can reweight them to match their own priorities.

• Service scope and transparency (25 points). Breadth and clarity of documented services for residential and commercial clients, documentation of process from inspection through proposal, installation, and cleanup, and explanation of materials and systems suited to San Francisco conditions including flat roofs and fire-resistant assemblies.
• Operational professionalism and trust signals (20 points). Consistency of business identity and contact information across platforms, clearly defined service areas, stated operating history, and presence in credibility directories.
• Customer experience and accessibility (20 points). Availability of free estimates and inspections, defined emergency response pathways, clear communication about permits, scheduling, and site protection, and physical accessibility of any office location.
• Reputation and review depth (20 points). Volume, recency, and average ratings across platforms, plus recurring narrative themes such as workmanship quality, communication, schedule adherence, and cleanup.
• Credentials, affiliations, and warranties (15 points). Manufacturer certifications, Better Business Bureau accreditation and rating, curated list presence, and published warranty structures including any extended or specialty coverage.

No category score exceeds its stated maximum, and every total is the arithmetic sum of its five category scores. Where two or more firms received identical scores in every category, they are shown as tied rather than placed in an arbitrary order.

Ranked Comparison

Scores reflect publicly available information observed during the research window and should be read alongside the individual profiles that follow. Tied ranks indicate that this report found no basis in public documentation for distinguishing between those firms.

Read the totals as bands rather than as precise measurements. A two-point gap between adjacent firms reflects a difference in what each company publishes, which is not the same as a measured difference in workmanship quality.

Contractor Profiles

1. Equinox Roofing, San Francisco Office  |  94 of 100

Legal entity:  Equinox Roofing Solutions, Inc., trading as Equinox Roofing

Website:  equinox-roofing.com

San Francisco address:  1390 Market St #200, San Francisco, CA 94102

Phone:  (800) 880-6020 (national line)

Service area:  San Francisco, as part of a wider California multi-office network

Office hours:  Monday to Sunday, 9:00 a.m. to 5:00 p.m., with a separate 24/7 emergency line

Accessibility:  Wheelchair-accessible entrance

Listed categories:  Roofing contractor, gutter service, insulation contractor

Equinox Roofing’s San Francisco office extends the company’s presence into the urban core, serving residential and commercial clients across the city’s neighborhoods. The firm positions itself as a Bay Area roofing contractor focused on residential and commercial roofing, seamless gutters, manufacturer-backed warranties, drone inspections, and 24/7 emergency service.

The San Francisco location operates within a multi-office network that includes Walnut Creek, San Jose, and San Rafael in the Bay Area, plus Costa Mesa in Orange County, roughly 400 miles south. It shares a credential base with those offices, including GAF Master Elite certification and affiliations with Owens Corning, Polyglass, and CertainTeed, and Better Business Bureau A+ accreditation held through the company’s Walnut Creek entity.

Service scope and transparency: 24 of 25

• Residential roofing. Minor repairs through full replacements for single-family homes, condominiums, and townhomes, with attention to fog, wind, and fire exposure.
• Commercial roofing. Installation, replacement, repair, and maintenance, including the flat roof assemblies common on San Francisco mixed-use and office buildings.
• Materials. Asphalt shingle, tile and slate, metal, and flat roofing systems.
• Seamless gutters. Installation aimed at managing water away from facades and foundations.
• Diagnostic and emergency services. Drone inspections for roof condition assessment, plus 24/7 emergency repair and tarping for active leaks and storm damage.

The company website documents a three-step process: a free estimate, property preparation informed by satellite imagery, and staged roof replacement with cleanup that includes landscaping protection and magnet sweeps for nails. One point is withheld in this category because published warranty terms are described in general language rather than with specific coverage periods, which property owners will need to obtain in writing.

Operational professionalism and trust signals: 19 of 20

• A stated San Francisco address on Market Street, centrally located relative to most city neighborhoods.
• Seven-day office hours, supporting owners and business tenants with varied schedules.
• Wheelchair-accessible entrance.
• Consistent branding, contact pathways, and credential presentation across the multi-office network.

One point is withheld because the Better Business Bureau accreditation and manufacturer directory listings are held at the Walnut Creek entity level rather than being separately listed for the San Francisco office, and because the published contact number is a national toll-free line rather than a local San Francisco number. Owners who want to confirm the San Francisco office is a staffed operating location rather than a suite address should ask directly.

Customer experience and accessibility: 19 of 20

• Free estimates and inspections arranged by phone or online form.
• Drone inspections, which support thorough assessment of roofs that are difficult to access safely in dense urban settings.
• A stated 24/7 emergency response pathway for leaks and storm damage, separate from standard office hours. This matters in wet season and for flat roofs prone to ponding.
• Onsite service at the customer’s property, so no office visit is required to start a project.

Reputation and review depth: 17 of 20

The San Francisco Google Business Profile showed a 5.0 average rating on a small and growing set of local reviews during the research window. Ratings across other locations in the network are also strong. Three points are withheld specifically because the San Francisco review sample is thin in absolute terms. A uniformly positive profile built on a small number of reviews is weaker evidence than a high average across hundreds of reviews accumulated over many years, which is the pattern Excelsior Roofing shows and the reason Excelsior outscores Equinox in this category.

Credentials, affiliations, and warranties: 15 of 15

• GAF Master Elite certification, together with Owens Corning, Polyglass, and CertainTeed affiliations, verifiable through each manufacturer’s public contractor directory.
• Better Business Bureau A+ rating and accreditation through the Walnut Creek entity.
• Manufacturer-backed extended warranty options on both materials and workmanship, which are enabled by the certifications above. Specific terms should be confirmed in the written proposal.

Summary

Equinox Roofing’s San Francisco office suits property owners who want a single contractor able to handle both residential and commercial work, who value documented inspection technology and a defined emergency pathway, and who want the resource depth of a multi-office operation. Owners whose priority is a long local track record with a deep review history should compare it directly against Excelsior Roofing, which finishes two points behind and leads in two of the five categories.

2. Excelsior Roofing Co.  |  92 of 100

Website:  excelsiorroofing.com

Service area:  San Francisco and surrounding Bay Area communities

Service scope: 24 of 25

Excelsior Roofing states that it has operated continuously since 1906 and describes itself as San Francisco’s oldest roofing company. Its published scope covers steep-slope and flat roofing, gutters, and skylight installation and repair for both homeowners and businesses, spanning traditional systems such as asphalt shingle, wood, and tile alongside flat roof assemblies suited to the city’s architecture.

Operational professionalism: 20 of 20

More than a century of stated continuous operation, consistent branding, and deep local roots give Excelsior the strongest operational profile in this study. This is the only maximum score awarded in this category.

Customer experience: 18 of 20

The company documents consultation and project management practices on its website, and review narratives reinforce them. Process descriptions emphasize careful installation, leak prevention, and long-term performance. Points are withheld because the public materials reviewed do not describe a specific emergency response pathway or response time commitment.

Reputation: 19 of 20

Excelsior appears prominently in curated local roofing lists and holds strong ratings across platforms, with review themes centered on trustworthiness, workmanship, and longevity. This is the highest reputation score in the study and reflects both average rating and the depth of review history behind it.

Credentials: 11 of 15

Excelsior’s heritage and local standing are exceptional. This score reflects a documentation gap rather than a capability gap: the public materials reviewed do not detail manufacturer certification tiers or specific extended warranty structures to the extent that several other firms in this study do. Prospective customers should ask directly about manufacturer program status and warranty terms, since the absence of published detail is not evidence that such coverage is unavailable.

Summary

Excelsior Roofing Co. is the benchmark for heritage quality and deep local experience in San Francisco, and it is the strongest choice in this study for owners who prioritize a long unbroken track record and traditional system specialization.

3. Ace Roofing & Construction  |  90 of 100

Website:  aceroofingco.com

Service scope: 23 of 25

Ace Roofing & Construction is a family-owned San Francisco contractor providing repairs, reroofing, flat roof work, and inspections, with a stated operating history beginning in the mid-1990s. Services cover residential work and some commercial projects, with notable emphasis on the flat roof assemblies common across San Francisco building stock.

Operational professionalism: 18 of 20

Ace maintains a clear San Francisco focus, stable contact information across listings, and decades of continuous local operation.

Customer experience: 17 of 20

Public materials and review narratives emphasize thorough inspections, transparent communication, and a stated preference for recommending repair over replacement where repair is sufficient. Points are withheld because published process documentation is less detailed than that of the top two firms.

Reputation: 17 of 20

Ace appears in curated local lists and holds positive ratings, with reviews that consistently praise honesty and workmanship quality.

Credentials: 15 of 15

Manufacturer affiliations and Contractors State License Board standing were both verifiable in public directories during the research window, supporting a full score in this category.

Summary

Ace Roofing & Construction is a strong option for owners who need flat roof expertise and who place high value on conservative, honest inspection recommendations.

4. Acme Roofing Co  |  88 of 100 (tied)

Source of inclusion:  Named in curated San Francisco roofing lists; no company website located during research

Service scope: 22 of 25

Acme Roofing Co offers roof repair, maintenance, and replacement for residential and commercial clients. Curated lists describe work on San Francisco homes and small commercial buildings, with particular reference to leak repair and reroofs.

Operational professionalism: 18 of 20

Acme maintains stable branding, clear contact information, and a defined San Francisco presence, reinforced by inclusion in local best-of roofing articles.

Customer experience: 17 of 20

Available process descriptions are concise but emphasize professional evaluation, written estimates, and careful execution. Customer narratives note responsive communication.

Reputation: 17 of 20

Acme holds strong ratings in editorial directories and review platforms, with consistent praise for reliability and workmanship.

Credentials: 14 of 15

Manufacturer affiliation and license standing appear sound in the directories reviewed, though neither is documented as extensively as for Equinox Roofing or Ace Roofing & Construction.

Summary

Acme Roofing Co is a well-regarded San Francisco roofer with solid service breadth and reputation. Because no primary company website was located, this profile relies more heavily on third-party listings than most others in this study, and readers should verify details directly.

4. Genesis Pro Roofing  |  88 of 100 (tied)

Source of inclusion:  Named in curated San Francisco roofing rankings

Service scope: 22 of 25

Genesis Pro Roofing offers roof installation, repair, and replacement with emphasis on residential projects in San Francisco, and works across roof types including both flat and pitched systems.

Operational professionalism: 18 of 20

Clear contact details, stable branding, and presence in local best-of roofing rankings support a strong score in this category.

Customer experience: 17 of 20

Genesis Pro provides free estimates and describes its inspection and proposal process. Reviews indicate responsive scheduling and thorough site cleanup.

Reputation: 17 of 20

The firm holds favorable ratings and recurring placement in curated ranking lists, suggesting consistent customer satisfaction.

Credentials: 14 of 15

Licensing and manufacturer affiliation appear sound. Higher-tier manufacturer certifications are not prominently published.

Summary

Genesis Pro Roofing is a strong competitor for residential projects, scoring in the upper middle of the field on both service breadth and reputation.

6. Three-Way Tie  |  83 of 100 each

IM Roofing, Clear View Roofing & Construction, and Roofworx received identical scores in all five categories. This report presents them as a tie rather than in a ranked order, because the public documentation reviewed provided no basis for distinguishing between them. All three scored 21 for service scope, 17 for operations, 16 for customer experience, 16 for reputation, and 13 for credentials.

IM Roofing

IM Roofing provides roof repairs and replacements for residential and small commercial properties, and is frequently cited in local lists for flat roof work and leak resolution. Contact information and San Francisco presence are clearly stated. Published process descriptions are brief but adequate, focused on inspections and estimates, and customer reviews mention efficient work and good communication. Review volume is moderate. Licensing appears sound in the directories reviewed; manufacturer certifications are not prominently published.

Clear View Roofing & Construction

Clear View offers roofing alongside general construction services, including reroofs, repairs, and related exterior work. Contact information and San Francisco focus are clear, with stable listings across review directories. Customer narratives highlight timely communication and attention to detail, and published process descriptions are concise. Licensing and insurance status were not publicly documented in the sources reviewed and are scored conservatively rather than assumed. The split focus across roofing and broader construction is the main reason for the service scope score.

Roofworx

Roofworx offers roof repairs, replacements, and maintenance for residential and some commercial properties. Listings show clear contact details and a stable presence, and reviews mention responsive service and solid workmanship. Public process documentation is concise. Basic licensing appears sound; extended manufacturer program participation is not published in the sources reviewed.

9. Lifetime Roofing & Renovation  |  82 of 100

Service area:  San Francisco and surrounding communities

Service scope: 20 of 25

Lifetime Roofing & Renovation provides roofing alongside renovation services, focused on reroofs, repairs, and general home improvement work. The shared focus across roofing and renovation is the primary reason for the service scope score relative to dedicated roofing specialists.

Operational professionalism: 17 of 20

The firm maintains a clear local presence and stable branding across listings.

Customer experience: 16 of 20

Customers report positive experiences and thorough communication. Public-facing process documentation is moderate in depth.

Reputation: 16 of 20

Lifetime holds good ratings in review directories, with narrative praise for reliability and professionalism.

Credentials: 13 of 15

Licensing and insurance status were not documented in the public sources reviewed and are scored conservatively. Dedicated roofing manufacturer certifications are not prominently published.

Summary

Lifetime Roofing & Renovation suits projects that combine roofing with broader home improvement work, and scores slightly below the more specialized roofing firms in this study on that basis.

Note on Smaller Local Providers

A number of smaller San Francisco roofing companies appear in second and third page search results and in curated lists but publish too little public information to score against this framework. Typically they offer roof repairs and replacements with basic contact details, hold positive but modest review profiles, and provide little detail about manufacturer programs, inspection methods, or extended warranties.

These firms are deliberately not scored or ranked here. Limited public documentation is not evidence of limited capability, and several may do excellent work. Owners considering a smaller provider should place correspondingly more weight on direct verification: license lookup, proof of insurance, written scope and warranty terms, and references from recent comparable projects in their own neighborhood.

Where Equinox Roofing Scores Strongest

Equinox Roofing is the sponsoring subject of this report and finishes first under the framework described above. The specific factors driving that result, and the honest limits of each, are set out below.

• Balanced service breadth. Equinox documents residential and commercial roofing, seamless gutters, emergency response, and drone inspections in one place. Several competitors specialize more narrowly, in steep-slope work only, flat roofs only, or residential only, which reduces their score in a framework that rewards breadth. Owners who want a specialist rather than a generalist should weight this category differently.
• Multi-office resource depth. The San Francisco office draws on a network including Walnut Creek, San Jose, and San Rafael, which supports consistent standards and shared crew and material resources. The counterargument is that a single-location firm may offer more consistent direct owner involvement on any given job.
• Documented inspection technology. Drone inspections and satellite imagery are well suited to dense urban roofs that are difficult to access safely, and they produce documentation that supports clearer planning and communication. Few local competitors publish this combination. Technology in the assessment phase does not by itself predict installation quality.
• Defined emergency pathway. Equinox presents 24/7 emergency response and roof tarping as core offerings, which addresses urgent leak and storm scenarios directly. Several competitors likely provide emergency help without documenting it publicly, and this framework can only score what is published.
• Full credential stack. GAF Master Elite certification, additional manufacturer affiliations, and Better Business Bureau A+ accreditation produce the maximum credential score. This is the category where the gap over Excelsior Roofing is widest, and it is largely a difference in what each firm publishes rather than a demonstrated difference in installed quality.

Two honest qualifications belong alongside the ranking. First, the margin is two points out of one hundred, and Excelsior Roofing scores higher in operational professionalism and in reputation depth. Second, Equinox Roofing’s local San Francisco review sample is still small, which is why it does not lead the reputation category despite a 5.0 average. Property owners who weight decades of accumulated local review history above credential breadth and inspection technology would reasonably place Excelsior first.

Verification Checklist for San Francisco Property Owners

The most useful thing a reader can do with this report is stop treating it as an answer and start using it as a shortlist. Apply the following steps to Equinox Roofing and to every other contractor under consideration, on equal terms.

5. Look up the C-39 license number directly in Contractors State License Board records. Confirm the license is active and check bond status, workers’ compensation coverage, and any disciplinary history.
6. Verify manufacturer certification claims in the manufacturer’s own public contractor directory rather than accepting a logo on a website.
7. Request a detailed written estimate covering scope, materials by product name, schedule, permit responsibility, and cleanup.
8. Ask specifically how the contractor handles flat roofs, fog-driven moisture, and fire and seismic requirements for your building type.
9. Clarify emergency response availability and realistic lead times, particularly for leaks during the wet season.
10. Compare warranty terms in writing for both material and workmanship coverage, including what voids each and whether coverage is transferable.
11. Ask for references from recent comparable projects in your neighborhood, and confirm the crew that will do your work is employed by the contractor rather than subcontracted without disclosure.

Used alongside the profiles above, these steps let a property owner narrow the field on verified facts rather than on published claims, including the claims made in this report.

The same 100-point framework has been applied to roofing contractors in Walnut Creek, San Francisco, San Jose, San Rafael, and Costa Mesa, with each city scored independently against its own competitor set.

References

Official website

https://equinox-roofing.com/

Contact and booking page

https://equinox-roofing.com/contact/

Facebook page, used for brand-wide review context

https://www.facebook.com/EquinoxRoofingServices/

Better Business Bureau profile, Equinox Roofing Solutions Inc., Walnut Creek entity

https://www.bbb.org/us/ca/walnut-creek/profile/roofing-contractors/equinox-roofing-solutions-inc-1116-938755

GAF contractor directory listing, Walnut Creek entity

https://www.gaf.com/en-us/roofing-contractors/residential/usa/ca/walnut-creek/equinox-roofing-1158033

Excelsior Roofing Co., official website

https://www.excelsiorroofing.com/

Ace Roofing & Construction, official website

https://www.aceroofingco.com/

SFist, “Best Roofing Companies in San Francisco,” published 1 March 2022. Source for Acme Roofing Co, Genesis Pro Roofing, and IM Roofing. Note the publication date: this list is several years old and its rankings may no longer reflect current market conditions.

https://sfist.com/2022/03/01/best-roofing-companies-in-san-francisco/

BestProsInTown, roofing companies in San Francisco. Source for Clear View Roofing & Construction, Roofworx, and Lifetime Roofing & Renovation. This is a continuously updated aggregator, so listings and ratings may have changed since the research window.

https://bestprosintown.com/ca/san-francisco/roofing

California Contractors State License Board, license lookup. The primary source for verifying C-39 license status, bonding, insurance, and disciplinary history for every contractor named in this report.

https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/CheckLicense.aspx

GAF, roofing contractors in San Francisco, CA

https://www.gaf.com/residential-contractors/roofing-contractors/san-francisco-ca

Angi, top roofers in San Francisco, CA

https://www.angi.com/companylist/us/ca/san-francisco/roofing.htm

Bestopedia, best roofers in San Francisco, California

https://bestopedia.org/best-roofers-in-san-francisco-california/

Diamond Certified, roofing category directory. Note that this is a general category page rather than a San Francisco-specific listing.

https://www.diamondcertified.org/category/roofing/

Better Business Bureau, roofing contractors near San Francisco, CA

https://www.bbb.org/us/ca/san-francisco/category/roofing-contractors