Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roofing Company Across Redwood City
Redwood City roofs fail in predictable ways. Salt fog off the Pacific, pine needles in Redwood Shores drains, and decades-old Eichler flat sections all take their toll. We see it every week. When you call (361) 320-9467, you get a live person, a written price before any work starts, and a crew that shows up uniformed and background-checked. No voicemail. No price that moves at the door. Just the Garrison Standard, the same on every job.
We work across Redwood City, from the steep Victorians near downtown to the mid-century tracts in Woodside Plaza. That split matters more here than in almost any Bay Area city. Most roofing crews are comfortable with one roof type. Redwood City demands both.
Why Brennan Roofing Is Redwood City’s Preferred Roofing Company
Travis Oakley leads our Roofing Company team, and the standard he runs is simple: the price goes on paper before anyone picks up a tool, every technician is background-checked and in uniform, and every job carries the 365-Day Done Right Promise in writing. If something fails within a year, we come back at no charge. That’s not a slogan. It’s in the contract.
We answer the phone around the clock with a live person. Homeowners who’ve been burned by no-show roofers tell us that matters. In Redwood City, where a leaking flat roof can sit undiscovered until the next rain, response matters. We schedule while you’re on the line.
Our crews know Redwood City’s housing stock, which is more varied than people expect. An Eichler in Redwood Shores needs a different roofer than a Victorian in Mt. Carmel. Same company, different skillset. We carry both.
Commercial Roofing in Redwood City
Commercial Roofing in Redwood City often means flat or low-slope systems on older buildings, many with torch-down modified bitumen or TPO membranes. On the Peninsula, commercial work near Highway 101 and the industrial corridors east of El Camino Real gets the same salt exposure that residential roofs do, with bigger consequences when water gets in. A typical commercial flat roof repair in Redwood City runs $900 – $2,800 depending on membrane type and penetration count. Full commercial replacement typically runs $8 – $14 per square foot here.
Torch-Down Modified Bitumen Repairs
We repair and replace modified bitumen on commercial and residential flat sections across Redwood City. The most common failure is at penetrations: drains, vents, and curbs. We strip the old flashing, install new membrane and ice and water shield, and seal with materials rated for coastal exposure.
TPO and Single-Ply Systems
For newer commercial buildings, TPO is the standard. Redwood City’s morning fog and intense summer sun stress seams over time, so we inspect weld integrity and ponding areas before recommending repair versus replacement. Ponding water on a flat roof here is not a cosmetic issue. It will find a seam.
Metal Roof Installation in Redwood City
Metal Roof Installation in Redwood City is growing as homeowners replace aging composition shingles on low-pitch ranch homes and mid-century builds. Standing seam and metal shingle systems handle Redwood City’s dry summers well, but the real decision is in the fasteners and flashing. We use stainless or hot-dip galvanized hardware near the coast. Standard zinc or electroplated fasteners corrode within a few seasons in salt-laden fog, staining fascia and loosening edge metal. A typical metal roof install in Redwood City runs $16 – $28 per square foot installed, with premium standing seam at the high end.
Standing Seam Systems
Standing seam is the most durable option for Redwood City’s mixed pitch roofs. We spec marine-grade clips and fasteners as standard here, not as an upcharge. The price difference over inland hardware is small. The lifespan difference is measured in decades.
Metal Shingle and Tile Profiles
For homeowners who want the metal lifespan without a standing seam look, we install metal shingle and metal tile profiles from manufacturers including GAF and Tamko. These work well on both steep Victorian gables and low-pitch postwar homes. The visible result is traditional. The underlying spec is coastal.
Trusted Brands We Service in Redwood City
We install and service materials from GAF, Atlas, and Tamko, among other manufacturer lines. That means when a Redwood City homeowner calls about a specific warranty claim or wants a particular shingle profile, we can usually handle it without swapping brands mid-project. We stock common flashings, underlayment, and edge metal locally for Redwood City jobs, so a repair doesn’t stall while parts ship from out of state. You get real options explained plainly, and a crew that knows the installation requirements for each line.
Common Roofing Company Problems We See in Redwood City Homes
- Corroded flashings and fasteners near the coast. Redwood City’s salt fog eats standard galvanized hardware on drip edge and stack flashings within a few seasons. We replace with stainless or hot-dip galvanized on every coastal-spec job.
- Clogged interior drains on flat Eichler roofs. Pine needles from Redwood Shores and Woodside Plaza trees pack into roof drains. The backup pushes water over the membrane edge, and the ceiling stain shows up in a hallway, often mistaken for a plumbing leak.
- Unstripped composition layers on old tract homes. Many Redwood City roofs have two or three layers of shingles over original 1960s decking. Adding another layer hides decking rot and adds weight. We strip to deck before replacing.
- Thermal shock on flat roof seams. The Peninsula’s hot afternoons followed by fog-chilled evenings expand and contract flat roof membranes daily. Seams that were fine in June start pulling apart by February.
Pricing for Roofing Company in Redwood City, CA
Roof repair in Redwood City typically runs $450 – $1,900 depending on scope. Full roof replacement on a standard single-story ranch here runs $13,000 – $26,000. Metal roof installation runs $16 – $28 per square foot, and commercial flat work runs $8 – $14 per square foot. The coastal-spec hardware we standardize on adds roughly $300 – $800 to a full roof job. The inland-spec version costs less now and more within a decade, when corroded fasteners and failed flashing have to be redone. Every estimate is written, line-itemed, and given to you before work starts. Call (361) 320-9467 to schedule a free estimate.
We Also Serve Cities Near Redwood City
Brennan Roofing serves the wider Peninsula, including Atherton, Menlo Park, San Carlos, and Palo Alto. If you’re in a neighboring city, our Roofing Company in Redwood City team can usually schedule within days. Same standard, same written price.
Serving Redwood City, CA - Our Local Coverage Area
We’re based in the Redwood City area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Roofing Company in Redwood City
A square is 100 square feet of roof area, and it’s the unit every roofer uses to price materials and labor. That means you can compare bids line by line instead of guessing what’s included. Call (361) 320-9467 and we’ll walk you through the numbers in plain English, with a written estimate in hand.
Because the drain is in the roof, not in a bathroom or kitchen wall, so the water travels before it shows. We find these leaks by tracing the stain back to the roof drain, clearing the clog, and installing a secondary scupper and overflow drain so the next clog doesn’t back up into the ceiling. Call us for an inspection and we’ll confirm the source before you call a plumber.
Yes, if the roof is within the fog zone or within sight of the bay. Salt-laden fog corrodes standard electroplated fasteners within a few seasons, which is why we spec stainless or hot-dip as standard, not as an option. The upcharge is small; the lifespan difference is the whole roof.
We run two roofing systems on the same house, which is common here. The steep Victorian section gets composition or metal shingles with proper step flashing, and the flat addition gets modified bitumen or TPO with interior drains and overflow protection. The same crew handles both, so the transitions are done right.
Look for a Class H or ASTM D7158 wind rating, which is the standard for the Peninsula’s winter storm gusts. Most architectural shingle lines from GAF and Atlas carry that rating as standard. We’ll confirm the rating in writing on your estimate before work starts.
Written by Travis Oakley, Owner at Brennan Roofing, serving Redwood City under the Garrison Standard.






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