Why San Francisco Homeowners Choose Brennan Roofing Co San Francisco for Roofing
San Francisco homeowners choose Brennan Roofing Co San Francisco because we show up when we say we will, put the price in writing before any work starts, and stand behind the finished roof for a full year. That combination sounds simple, but in this city it’s harder to find than it should be. Fog, salt air, steep pitches, and older housing stock punish sloppy roofing work fast. Our local team, led by Travis Oakley, handles the trade the way it ought to be handled: by the book, the first time, with the site left clean when we’re done.
6 Reasons We’re San Francisco’s Top Roofing Company
Deep Local Experience on San Francisco Roofs
Our crew has worked on San Francisco roofs long enough to know what this city throws at them: persistent fog that keeps moisture on shingle edges, salt-laden wind off the Pacific, and the structural quirks of Victorians, Edwardians, and mid-century hillside homes. We know which roof sections fail first in the Richmond and Sunset districts, and how Daly City wind patterns affect ridge ventilation. That local knowledge means we don’t learn on your roof.
A Strong Local Reputation Built on Showing Up
The most common complaint San Francisco homeowners have about roofing contractors is simple: the crew doesn’t show up, or shows up late with no call. We run on The Garrison Code, which means we arrive inside the window we gave you. Our local reputation comes from doing that consistently. Homeowners across the Bay Area keep our number because the roof got done right and the process was predictable, not because of a clever ad.
State-Licensed and Insured, Every Time
Every pro working under our name is required to hold the license and insurance the state requires. We don’t ask you to take our word for it; we’ll show you the paperwork. Roofing is dangerous work on any San Francisco hillside, and the homeowner should never carry the liability for an unlicensed crew. That’s a baseline, not a bonus.
Brand Expertise with GAF, CertainTeed, and Tamko
Manufacturer credentials matter more than most homeowners realize. We work extensively with GAF, CertainTeed, and Tamko systems, which means we know their installation specifications, warranty registration processes, and the ways each product performs in San Francisco’s specific climate. A roof installed outside the manufacturer’s spec can void the material warranty even if it looks fine from the street. We install each brand the way its engineers intended.
Transparent Pricing, in Writing, Before Work Starts
You get a written line-item price before any work begins. Not a verbal estimate, not a number that moves after we tear off the old roof. The price we give you is the price you pay unless you change the scope. That’s part of The Garrison Standard, and it’s the main reason Bay Area homeowners who’ve been burned by change orders call us for their next roof.
A Full-Year Workmanship Guarantee
Our work is guaranteed in writing for a full year. If the roof fails because of our workmanship in that time, we come back and make it right at no charge. We don’t hide behind fine print or blame the material. The guarantee is simple, it’s written on the estimate, and it applies to every San Francisco roof we touch.
Our Promise to You
Brennan Roofing is the roofing company of the Garrison Partners family. Roofs done to standard and inspected like it matters, because it does. Every job gets a written price before any work starts and is covered by The Garrison Standard. What that means for you is specific: we arrive inside the window we gave you. We price in writing before any work starts. We do the job by the book, the first time. We leave your San Francisco property clean and squared away. And we stand behind the work for a full year. If it fails in that time due to our workmanship, we come back and fix it at no charge. That’s the promise.
Frequently Asked Questions
Because we run on discipline, not promises. You get a written price before work starts, a crew that arrives inside the window we gave you, and a one-year workmanship guarantee in writing. Most San Francisco roofing complaints come from no-shows, price creep, or sloppy cleanup. We built our process to eliminate all three. Call (831) 318-8819 and ask for a written estimate, then compare it honestly against anyone else’s.
If the workmanship fails within the first year, we return and make it right at no charge. That’s not a conditional promise buried in the contract; it’s The Garrison Standard, and it’s printed on your estimate. If something doesn’t look right while we’re still on the job, tell the crew lead and it gets addressed before we leave the site. We’d rather fix it now than come back later.
Estimates are free. We come out, assess your roof, and give you a written line-item price. No obligation. You’ll know exactly what materials we’re proposing, what the labor costs, and what the warranty covers. If you’re comparing multiple roofing companies in San Francisco or the East Bay, get our number in hand first. Call (831) 318-8819 to schedule yours.
Yes. Every pro working under our name is required to hold the license and insurance the state requires. We’re happy to provide proof before any work begins. Don’t ever accept less from a roofing contractor. San Francisco’s steep roofs and dense housing make unlicensed work a liability for you, not just for the crew.
We schedule estimates during our normal business hours: Monday through Friday from 7:00 AM to 7:00 PM, and Sunday from 7:00 AM to 7:00 PM. We’ll give you a specific window when you call, and we’ll be inside it. For an estimate or a repair consultation in San Francisco, Berkeley, Hayward, or anywhere else in our Bay Area service area, call (831) 318-8819 and we’ll get you on the schedule.
Written by Travis Oakley, who leads the team at Brennan Roofing Co San Francisco, serving San Francisco and the surrounding Bay Area since 2000.