San Jose's
Trusted Roofing
Company
Three generations of Bay Area roofing. BBB A+ rated, fully licensed and insured — covering residential, commercial, and industrial roofs across Santa Clara County since 1952.
Diamond Certified
Full-Service Roofing
San Jose & Bay Area
Roof Inspection
Comprehensive inspection that identifies missing shingles, damaged flashing, worn sealants, and hidden issues before they become leaks. Free quote included.
Roof Inspection in San Jose
Roof Repair
Leaks, storm damage, missing tiles, damaged flashing — fast, reliable repairs that stop the damage and protect what's below. Emergency service available.
Roof Repair in San Jose
Roof Replacement
Full tear-offs and re-roofs done right the first time — permits pulled, code-compliant installs, and warranties backed by CertainTeed, GAF, and Owens Corning.
Roof Replacement in San Jose
Tile Roofing
Concrete and clay tile roofs that match the Spanish, Mediterranean, and traditional homes that define San Jose neighborhoods — Monier Lifetile and Eagle Roofing certified installer.
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Shingle Roofing
Architectural asphalt shingles from CertainTeed, GAF, and Owens Corning — an affordable, long-lasting option that looks sharp and holds up to Bay Area weather.
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Gutters & Downspouts
Seamless aluminum gutters, downspouts, and gutter guards — installed to direct water away from your foundation and protect the work we just did up top.
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Coating Service
Silicone and acrylic coating work on residential flat-roof sections — Eichler homes, garage tops, additions. Smaller-scope coating service for homes with flat sections.
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Reroof Service
Reroof projects for apartment complexes, condo associations, and HOA-managed properties — phased scheduling, architectural approval, tenant coordination, reserve-study documentation.
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Solstice Solar Shingles
CertainTeed's integrated solar shingle system — solar that lays flat as part of the roof field. CertainTeed-certified installer, 25-year integrated warranty. Best paired with a reroof.
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Wood Shingles
Class A fire-treated Western Red Cedar shingle roofing for heritage homes, mid-century moderns, and custom architecture. We assess jurisdictional code permissibility before quoting.
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Commercial Roof Replacement
Full tear-off and replacement for commercial flat-roof buildings — single-ply, modified bitumen, BUR. Title 24 compliant, tenant-coordinated, transparent line-item bids for property managers and building owners.
Commercial Roof Replacement in San Jose
Single-Ply Roofing
Energy-efficient thermoplastic polyolefin membranes that reflect heat and resist punctures. A top-choice flat-roof system for Bay Area commercial properties.
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Roof Coatings
Silicone and acrylic roof coatings that extend the life of an existing membrane, seal leaks, and cut energy bills. Long-term warranties available.
Roof Coatings in San Jose
Built-Up Roofing
Traditional BUR systems with alternating layers of bitumen and reinforcing fabric — a proven flat-roof solution with decades of real-world performance on Bay Area commercial buildings.
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Modified Bitumen
Torch-on and self-adhered modified bitumen systems — a tough, weather-resistant flat-roof option that's a workhorse for Bay Area commercial and industrial properties.
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Reroof Service
Multi-family, condo, and mixed-use reroof projects — apartment complexes, HOA-managed properties, multi-building campuses. Phased scheduling, closeout documentation, reserve-study fit.
Learn MoreQuality starts with who makes your roof.
Seventy-Three Years
On Bay Area Roofs.
Since 1952, Keith Roofing has built its reputation the only way that sticks in this industry — by doing the work right, standing behind it, and being around years later when you need us again.
Since 1952
Three generations serving the South Bay. Your neighbors have trusted us for decades — often for the same roof twice.
Diamond Certified
Rated Highest in Quality and Helpful Expertise from 91 independent phone surveys of our own past customers. BBB A+ Accredited, licensed (CSLB #1118418) & insured. See the report →
Factory-Certified
Certified installer for CertainTeed, GAF, Owens Corning, Carlisle SynTec, IB Roof Systems, Monier Lifetile, and Eagle Roofing — which means better warranties on your roof.
Experienced Crews
Our foremen have been with Keith Roofing for 15+ years. You get seasoned tradespeople who've seen every Bay Area roof variation — not a rotating crew.
Recent Projects in
San Jose & the South Bay
Over 2,000 Jobs Across
San Jose & the Bay Area
Each red pin marks a featured case study. The lighter dots show our broader footprint — homes and businesses across the South Bay we've served since 1952. Click any case-study pin for the full story.
Pin locations are approximated to neighborhoods — not specific addresses — to respect client privacy.
Family-Owned
Bay Area Roofers
Keith Roofing Company has been covering Bay Area homes and businesses since 1952. Now in our third generation, owner Jason Nesbitt and our team have built something you don't see often in this industry — a roofing company that's still here a decade after the warranty expires.
Our foremen average 15+ years with the company. We're State Licensed (#1118418), BBB A+ Accredited, and certified installers for every major manufacturer we recommend. Most importantly: we answer the phone, show up on time, and leave your yard cleaner than we found it.
What San Jose
Homeowners Say
"Jason and his team are highly experienced, knowledgeable, do outstanding work, and are great to work with. Many friends, colleagues, and clients have also had very good experiences with them. Highly recommend!"
"I had 4 tiles come off my roof. I called, Roger came over within 30 minutes, and I received my quote shortly after. I approved the quote and the tiles were replaced within 2 hours! Quick and easy. I've used them twice and had excellent results."
"The bid from Keith Roofing was competitive, but the value based on professionalism, honesty, workmanship, and on-time service was far superior to any contractor I've hired. They are a great and honest company to work with."
Reviews aggregated from Keith Roofing's Google Business Profile, BBB, and Nextdoor. View on Google →
Serving the
South Bay
Headquartered at 424 Lano Street in San Jose, Keith Roofing has been working on Bay Area roofs since 1952. From Willow Glen bungalows to Almaden Valley custom homes, Cupertino office parks to Palo Alto commercial properties — we know the neighborhoods, the permit offices, and the weather patterns that shape what goes on a South Bay roof.
We've built relationships with local suppliers over decades, which means faster material turnaround and better pricing on your job. If you're looking for a roofing company in San Jose or anywhere across Santa Clara County, you're in the right place. Most San Jose homeowners call us for roof repair or a full roof replacement, and our commercial crews handle commercial roof replacement for businesses and HOAs across the valley.
Call (408) 295-8616 or request a free estimate online.
Get a Free EstimateRoofing Questions,
Honest Answers
Questions San Jose homeowners ask us most. Don't see yours? Just ask.