Replacing or repairing a roof is one of the larger decisions a homeowner makes, and the list of roofing companies in Sonoma County is long enough that narrowing it down takes time. Santa Rosa, Healdsburg, Windsor and the smaller towns around them are served by a mix of family-owned shops and owner-operated crews.
This guide covers seven of them. The companies below were selected based on their presence in Sonoma County and publicly available information about their services, credentials and published differentiators. The list is not ranked. Each entry follows the same format: a short overview, three key features drawn from the company’s own published information, and a closing note on who the company may suit.
What to Check Before Comparing Roofers
A few basics apply no matter which company you call. California contractors have to show their state license number on ads, bids and contracts, but the Contractors State License Board points out that a printed number doesn’t prove the license is valid, so it’s worth taking a minute to check a contractor’s license status online before signing anything. The same guidance suggests getting at least three written bids built on the same scope of work.
A short comparison list can help keep bids side by side:
- License status and classification. Roofing work in California falls under the C-39 Roofing classification.
- Workers’ compensation. According to the CSLB, active C-39 roofing contractors must carry it or have a valid self-insurance certification on file, whether or not they have employees.
- Warranty terms. Workmanship and manufacturer warranties cover different things, so ask for both in writing.
- Materials and service area. Not every roofer installs every material or travels to every town.
Roofing Companies in Sonoma County, CA
1. Cornerstone Roofing
This family-owned roofing contractor works on homes and commercial buildings across Sonoma and Marin counties from an office on Llano Road in Santa Rosa. Paul Whyte founded Cornerstone Roofing in 2006 after about 30 years of working alongside other Sonoma County roofers.
Key features:
- Four roof types. Crews install, replace and repair composition shingle, metal, tile and low-slope or flat roofs.
- Estimate options. The company offers free estimates and an online instant estimator for homeowners who want a starting number.
- Maintenance work. Its maintenance service includes checks of gutters, flashing and drainage.
Cornerstone may be a practical fit for homeowners who want a local contractor offering several roofing systems.
2. Roof Doctors
Roof Doctors has worked on California roofs since 1987 and serves a wide area that includes Sonoma, Marin and Napa counties and regions farther south. The company reports that it has inspected, repaired or certified more than 400,000 roofs. Its services include inspections, repairs, replacements and roof certifications for home sales or refinancing.
Key features:
- Insurance claim help. The company documents damage, works with adjusters and says it works with 14 insurance carriers.
- No advance deposit. The company says it requires no deposit or in-progress payments, with payment due after the work is completed.
- Layered warranties. Projects carry a one-year workmanship warranty, and qualifying replacements can add the GAF Silver Pledge warranty.
Roof Doctors may suit homeowners who are selling a house or filing an insurance claim and need documentation along with the repair.
3. North Coast Roofing LLC
North Coast Roofing is based in Healdsburg and works across Sonoma, Napa and Marin counties, with its site noting service in Sonoma County since 2015. Owner Eddy says he personally oversees each project. Its crew handles metal and shingle roofing, repairs and inspections.
Key features:
- Metal roofing range. Options include standing seam, corrugated and metal shingle systems.
- Manufacturer credentials. The company lists GAF Certified and CertainTeed ShingleMaster status.
- Commercial systems. It installs TPO, EPDM and flat roofs for business properties.
North Coast may be worth a call for homeowners in northern Sonoma County who are weighing a metal roof.
4. Wine Country Roofing
Wine Country Roofing is a Santa Rosa company that has been family owned and operated since 1991. It installs asphalt shingle and metal roofs and sells products from GAF, Owens Corning and CertainTeed. Its office sits on Alton Lane in Santa Rosa.
Key features:
- Long workmanship coverage. The company advertises 25-year workmanship warranties through CertainTeed and Owens Corning.
- Gutters and skylights. It says its roof replacements include replacing gutters and skylights.
- Financing offer. It promotes a financing option with 12 months of deferred interest, subject to terms.
Wine Country may appeal to homeowners who want a long workmanship warranty backed by a major shingle manufacturer.
5. Stephen Curley Roofing
Stephen Curley Roofing has served Sonoma County since 1993 and also covers northern Marin County from its base on Coffey Lane in Santa Rosa. The company describes itself as licensed, bonded and insured. It says it focuses on one job at a time.
Key features:
- Composition and TPO. Crews install composition roofing and TPO single-ply membrane for flat roofs.
- Gutter installation. Gutter work is offered alongside residential and commercial re-roofing.
- Permits handled. The company obtains the permits a job needs, and it notes many roofs can be completed in a single day.
Stephen Curley Roofing may suit homeowners who prefer a smaller operation where the owner stays involved.
6. Doughty Enterprises
Owner Everett “Buzz” Doughty has worked in roofing and home building since 1979, and Doughty Enterprises was established in 1989. The Santa Rosa company remains family owned, with Buzz and his daughter Ashley overseeing projects. It holds a dual license as a general contractor and roofer (B and C-39). That combination lets it take on structural work tied to a roof.
Key features:
- Extended manufacturer warranties. It offers GAF System Plus and Malarkey Certified Pro warranties, which it describes as 50-year coverage.
- Roof conversions. Crews can convert flat or low-slope roofs into pitched systems, including new framing.
- Exterior services. Gutters, siding, windows, decks and remodeling are handled in-house.
Doughty may be a fit for projects where the roof connects to framing, dry rot or an addition.
7. Galvan Roofing & Gutters
Galvan Roofing & Gutters is based in Windsor and handles roof installation, replacement and repair along with gutter work. It serves Sonoma County and surrounding North Bay communities.
Key features:
- Gutters made on site. Crews can fabricate one-piece gutters at the property.
- Emergency leak repair. The company offers 24-hour emergency leak repairs.
- Warranty and products. Work comes with manufacturer warranties plus a one-year repair warranty, and it is certified for CertainTeed, GAF, IB Roof and Malarkey products.
Galvan may appeal to homeowners who want roofing and gutter replacement from the same crew, and it offers discounts for teachers, firefighters, police officers and veterans.
Final Thoughts
Seven companies, seven slightly different setups. Some focus on roofing alone, others bundle gutters, siding or structural carpentry, and one works across most of California.
The details that separate them tend to show up in the paperwork: license status, warranty terms and written bids. Lining those up side by side usually makes the choice clearer than any single feature does.
Frequently Asked Questions
How many roofing estimates should I get?
The CSLB suggests getting at least three written bids based on identical plans and scope of work. It also advises caution with any bid that is far lower than the others, since it may leave out work the other contractors included.
How much can a roofer ask for as a down payment in California?
Under California rules described by the CSLB, a contractor generally can’t ask for more than 10% of the contract price or $1,000, whichever is less, on a home improvement project. The exception is a contractor with a Blanket Performance and Payment Bond on file with the CSLB.
What’s the difference between a workmanship warranty and a manufacturer warranty?
A workmanship warranty generally covers the contractor’s installation, while a manufacturer warranty generally covers the roofing materials. Some manufacturers offer extended programs through certified installers, which is why terms differ from one company to the next. Ask for the written warranty documents before signing.
What are common warning signs of a roofing scam?
The FTC lists several signs of a home improvement scam, including door-to-door pitches from someone “in the area,” pressure for an immediate decision, and requests to pay everything up front or in cash. It also flags contractors who ask the homeowner to pull the building permits.
Do roofing companies also install gutters?
Many do. On this list, Stephen Curley Roofing, Doughty Enterprises and Galvan Roofing & Gutters all offer gutter installation, and Roof Doctors installs leaf and gutter guards.
