Santa Rosa Based, Serving Sonoma County 
(707) 540-2592 
Mon-Fri: 7AM–5PM | Sat: 8AM–2PM | Sun: Closed
Roofing Contractor in Rohnert Park, CA
Mario Contreras Roofing serves homeowners and business owners in Rohnert Park with the same honest, dependable roofing work we have delivered across Sonoma County for over 20 years. Rohnert Park was largely built out in the 1960s and 70s, which means a significant portion of the housing stock is now at or past the end of its original roof lifespan. We know this market well and we know what roofs in this area need.
Whether you are in the Benicia Park neighborhood, near Sonoma State, or anywhere else in Rohnert Park, we provide roof repair, roof replacement, roof inspections, gutter installation, and more — residential and commercial — with clear pricing and no pressure.
- 20+ Years roofing homes and businesses throughout Sonoma County including Rohnert Park.
- Lic. Fully licensed and insured in California on every job we take.
- ES/EN Bilingual service in English and Spanish for Rohnert Park homeowners.
Why Rohnert Park Homeowners Choose Mario Contreras Roofing
Rohnert Park's planned community layout means a lot of homes were built around the same era with similar roofing systems — and a lot of them are due for attention around the same time. We help homeowners understand exactly where their roof stands and what makes sense to do now versus later.
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Honest Estimates
We tell Rohnert Park homeowners what their roof actually needs. If a targeted repair will buy you several more years, we will say so instead of pushing for a full replacement.
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20+ Years Local Experience
We have been working roofs across Sonoma County for over two decades. We know the housing stock in Rohnert Park and what to look for on homes built in this era.
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Licensed and Insured
Every job in Rohnert Park is fully covered. Mario Contreras Roofing is licensed and insured in California so you are protected on every project.
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Clean Job Sites
We protect your property while we work and do a thorough cleanup before we leave. Your yard and driveway are left clean when the job is done.
Roof Repair, Replacement, and More for Rohnert Park Homes
Most homes in Rohnert Park were built between 1960 and 1990 as part of the city's planned development. Composition shingle was the standard roofing material for that era and those original systems are now well past their typical 25 to 30 year lifespan. Many homes in the Benicia Park, Canon Manor, and Rancho Cotate areas are prime candidates for a full roof replacement — and if yours has not been replaced yet, an inspection is a smart first step.
We handle everything from straightforward repairs on newer roofs to full tear-off replacements on homes that are long overdue. Whatever your roof needs, we do the work right.
- Roof repair for leaks, damaged shingles, flashing issues, and worn areas
- Roof replacement for aging or failing roof systems
- Roof inspection to assess condition and catch problems early
- Composition shingle, tile, and metal roofing options available
- Flat roof and TPO systems for commercial properties in Rohnert Park
- Gutter installation and gutter repair to protect your roofline
Roofing Questions from Rohnert Park Homeowners
Common questions we hear from homeowners in Rohnert Park before they get started with a roofing project.
My home was built in the 1970s — does it need a new roof?
Probably, unless it has already been replaced. Most composition shingle roofs installed in that era have a lifespan of 25 to 30 years, which means they are significantly past due. Even if the roof is not actively leaking, granule loss, brittle shingles, and compromised flashings are common at this age. A roof inspection will tell you exactly where things stand and whether repair or full roof replacement is the right move.
How do Rohnert Park's summer temperatures affect roofing materials?
Rohnert Park sits inland enough to get real summer heat — temperatures regularly push into the 90s and above. That UV exposure and heat cycling causes composition shingles to dry out, crack, and lose granules faster than in cooler coastal areas. If your shingles are showing significant granule loss in the gutters or visible cracking from the ground, those are signs the material is breaking down and worth having looked at before the rainy season.
Do you serve areas outside Rohnert Park?
Yes. Mario Contreras Roofing is based in Santa Rosa and serves all of Sonoma County. We regularly work in Petaluma, Cotati, Sebastopol, Sonoma, and throughout the county. Call us at (707) 540-2592 to confirm we cover your area.
Roofing Contractor Serving Rohnert Park and All of Sonoma County
Based in Santa Rosa, Mario Contreras Roofing serves homeowners and business owners throughout Sonoma County. Wherever you are, we bring the same honest work and dependable service.
Not sure if we cover your area? Call us at (707) 540-2592 or request a free estimate and we will get back to you quickly.
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