San Mateo County · Lower Bay Area
Roof Installation
Brand-new roofs installed by a Bay Area crew that's been doing this since 2002. Quality materials, proper ventilation, clean job sites, done right the first time.
Quality Roofing Since 2002
Built to Last from Day One
A new roof is only as good as the install. We take the time to get every detail right, underlayment, flashing, ventilation, and tie-ins, so your roof actually lasts the warranty period.
Quality Materials, Honest Pricing
We work with top-tier shingle, tile, and slate manufacturers. You get real product options and a clear written quote, no upsells, no surprises.
20+ Years Installing Bay Area Roofs
Since 2002, R&J Roofing has installed roofs across San Mateo County and the lower Bay Area. We know what holds up to the sun, fog, and winter storms here.
Why R&J Roofing
Quality First. Since 2002.
Since 2002
Over 20 years roofing the Bay Area.
Quality-First
No shortcuts. Done right the first time.
Residential & Commercial
Homes, businesses, multi-family.
Free Estimates
Clear written quotes. No pressure.
Frequently Asked Questions
How long does a new roof installation take?
Most residential roof installations in the Bay Area take 2–4 days depending on roof size, pitch, and material. Tile roofs take longer than shingle. We give you a clear timeline before work starts and stick to it.
What roofing materials do you install?
We install composition shingles, architectural shingles, concrete tile, clay tile, and slate — both natural and synthetic. We'll help you choose the right material for your home, budget, and HOA requirements.
Do you pull permits for roof installation?
Yes. R&J Roofing handles all required permits for new roof installations in San Mateo County and surrounding cities. Your install will be code-compliant and inspection-ready.
How much does a new roof cost in the Bay Area?
Costs vary by material, roof size, and complexity. Composition shingle roofs typically run less than tile or slate. We provide free written estimates with no pressure — call 650-437-1845 or fill out the form above.
Do you offer warranties on new roof installations?
Yes — we provide manufacturer material warranties (25–50 years depending on product) plus our own workmanship guarantee. We stand behind every install.
What Customers Say
Real Reviews from Local Homeowners
★★★★★ 5.0 — 69 Reviews
★★★★★
"Randy and crew have been replacing roofs along the Peninsula for years. Randy is friendly and trustworthy. He will complete the job to your satisfaction."
David Grady
Google Review
★★★★★
"Carlos, Randy and the crew are very professional, courteous and polite. Above all they do quality work."
Randy Orta
Google Review
★★★★★
"Professional, expedient, and excellent service! R&J Roofing has been my go-to for over 20 years and they are the only roofers I recommend without hesitation."
Loretta Annin
Google Review
★★★★★
"I recently had my roof replaced by R&J Roofing, and I am extremely satisfied with the entire experience. From the initial consultation to the completion of the project, everything was handled professionally."
Lakisha Thomas
Google Review
Need roofing help? Don't wait until it gets worse.
Get Your Free Estimate
Fill out the form below or call us, we'll get back to you fast, usually the same day.
Or call: 650-437-1845