Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roofing Company Across Tiburon
If you’re searching for a roofing company in Tiburon, you already know this isn’t a tract-home town. Our crews work the hillside lots off Tiburon Boulevard, the bay-facing slopes above Paradise Drive, and the steep driveways up Mar West Street. We schedule from our San Francisco Bay Area office and dispatch locally to Tiburon, so when you call (361) 320-9467, a live person picks up and a background-checked, uniformed technician shows up with a written price before any work starts. That’s The Garrison Standard, and it’s the same on every job we run in Tiburon.
Why Brennan Roofing Is Tiburon’s Preferred Roofing Company
Tiburon homeowners don’t hire roofers who treat their house like a generic project. The hillside custom homes here, built mostly between the 1950s and 1990s, have multi-pitch rooflines, complex valleys, and skylights that require a roofer who actually knows bay-driven moisture and salt air. Our Roofing Company team has walked these roofs, pulled tile on Mar West Street, and replaced failed underlayment on bay-facing slopes that looked fine from the ground.
What Tiburon customers tell us they value most is the written price before any work starts, and the fact that the number doesn’t move at the door. Travis Oakley runs our crews to that standard. Every technician is background-checked, arrives in uniform, and works under the 365-Day Done Right Promise: if a repair or installation fails within one full year, we come back and make it right at no charge. In writing.
We answer the phone live, around the clock. No voicemail, no callback queue. When a Tiburon homeowner calls about a ceiling stain after El Niño rains, they get a person, not a recording.
Free Roof Estimate in Tiburon
A free roof estimate in Tiburon means we send a technician to your home to assess the actual condition of your roof, not just its surface. On bay-facing slopes, that often means pulling a few field tiles to inspect the underlayment beneath, checking flashing at valleys and penetrations, and evaluating ridge and soffit ventilation. The estimate includes a line-item written price covering materials, labor, and any substrate repair we find.
We don’t guess over the phone. We walk the roof, take photos, and put the number on paper before any work begins. That’s the only way to price a Tiburon hillside roof honestly.
What the Estimate Covers
Your free roof estimate covers a full inspection of shingles, tile, or flat roofing surfaces, flashings at chimneys and valleys, decking condition where accessible, and underlayment assessment on tile and metal roofs. We also check drainage, gutter attachment, and ventilation. The written estimate you receive breaks out each component with dollar figures, so you can see exactly what you’re paying for.
If we find hidden damage, like rusted flashing under intact tile, we show you photos and explain the repair in plain English before we quote it.
When to Schedule One
Schedule a free roof estimate in Tiburon if your roof is more than 15 years old, if you’ve spotted granules in your gutters, or if a ceiling stain appeared during winter rains. On 1980s tile roofs in Tiburon, we recommend an estimate and inspection even when the tiles look pristine, because the underlayment beneath is often the first thing to fail. The salt-laden fog off Richardson Bay corrodes hidden fasteners long before the surface shows wear.
Roofing Contractor in Tiburon
A roofing contractor in Tiburon has to handle steep hillside access, strict design review, and materials that hold up to bay-driven salt air. We’re that contractor. Brennan Roofing handles roof repair, full roof replacement, roof inspection, metal roofing, tile roofing, and flat roofing across Tiburon, from the waterfront cottages near Main Street to the custom hillside homes above Paradise Drive.
The job starts with a written price. You get the number on paper, we agree on scope, and then work begins. No change orders at the door. No surprises when the crew arrives. The Garrison Code applies to every job: show up on time, keep the site clean, and stand behind the work for a full year in writing.
Coastal-Spec Materials
On Tiburon’s bay-facing slopes, we specify stainless or hot-dip marine-grade fasteners and flashing, not standard galvanized. Salt-laden air from Richardson Bay corrodes galvanized hardware in a few years. Marine-grade stainless lasts decades. The upfront cost runs higher, sometimes 15 to 30 percent more than inland-spec hardware on larger jobs, but the cheap spec costs more within ten years when flashing fails and water gets into the decking.
We install materials from GAF, Atlas, and Boral, among others, chosen for how they perform in Tiburon’s specific marine climate, not just what’s cheapest.
Permits and Design Review
Many Tiburon roofing jobs require town design review and building permits, especially on older homes and hillside properties with visibility restrictions. We handle the permit paperwork, coordinate inspections, and keep the job moving so you’re not stuck waiting on a roofer who doesn’t understand Tiburon’s process. The price we quote includes permit fees where applicable, so you know the real cost before work starts.
Trusted Brands We Service in Tiburon
We install and service roofing systems from GAF, Atlas, and Boral, and we keep common repair components stocked for fast turnaround on Tiburon jobs. That matters on a hillside home where a failed flashing shouldn’t sit through another fog cycle while parts ship from a warehouse. We also work with CertainTeed, Owens Corning, IKO, and Tamko when a homeowner has a specific preference or an existing system we’re matching. The Garrison Standard means we recommend based on what actually performs on Tiburon’s bay-facing slopes, not what’s sitting in inventory.
Common Roofing Company Problems We See in Tiburon Homes
These are the issues we walk into on Tiburon roofs, week after week:
- Rusted flashing and fasteners on bay-facing slopes. Salt-laden air off Richardson Bay corrodes standard galvanized hardware in just a few years. We replace it with stainless or hot-dip marine-grade, and we do it before the leak starts.
- Failed underlayment hidden under intact 1980s tile. The tiles look fine from the ground, but the underlayment beneath has crumbled from decades of fog-driven moisture. The problem only shows up during heavy El Niño rains, and by then the decking is already wet.
- Condensation from under-ventilated multi-pitch roofs. Tiburon’s constant bay wind and seasonal fog demand specific ridge vent and soffit detailing. When it’s done wrong, condensation builds up in the attic, degrades the decking, and shortens the roof’s life.
- Flashing failures at skylights and complex valleys. Tiburon’s custom homes have architectural rooflines that create more valley intersections than a typical suburban roof. Every valley is a potential leak point, and salt air accelerates the failure.
Pricing for Roofing Company in Tiburon, CA
In Tiburon, roof repair typically runs $450 to $1,800 depending on what we find, with flashing repairs on bay-facing slopes often landing between $600 and $1,200. A full roof replacement on a Tiburon hillside home generally runs $18,000 to $45,000, and tile or metal systems with coastal-spec hardware can push to $55,000 or more on larger custom homes with complex valleys. The price difference between inland-spec and coastal-spec hardware on a full replacement is real, usually $3,000 to $8,000 depending on the roof’s size, but the inland-spec version fails faster in Tiburon’s salt air.
Every estimate is free and every price is in writing before any work starts. Call (361) 320-9467 to schedule yours.
We Also Serve Cities Near Tiburon
Brennan Roofing serves Roofing Company in Tiburon and the surrounding Bay Area, including Los Angeles, San Diego, San Jose, and San Francisco. If you own property in one of those cities, the same Garrison Standard applies: written price first, background-checked uniformed technicians, and a full-year guarantee in writing.
Serving Tiburon, CA - Our Local Coverage Area
We’re based in the Tiburon 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 Tiburon
Salt-laden fog from Richardson Bay deposits corrosive salt on flashings, fasteners, and metal components every day. In inland Marin, that salt exposure doesn’t exist the same way. That’s why we specify stainless or hot-dip marine-grade hardware on bay-facing slopes, and why a roof inspection in Tiburon should always check the hidden components, not just the surface. Call (361) 320-9467 for a free estimate and we’ll show you exactly what’s happening on your roof.
On 1980s Tiburon tile roofs, the underlayment beneath the tiles often fails long before the tiles show any wear. Salt fog corrodes the hidden fasteners and flashing, and bay-driven moisture rots the underlayment from underneath. The tiles protect it visually, but when heavy El Niño rains arrive, the water finds the failed underlayment and leaks into the decking. We inspect the substrate, not just the surface. If you haven’t had the underlayment checked, call (361) 320-9467 for a free estimate.
Coastal-spec means stainless or hot-dip marine-grade fasteners, flashing, and metal components built to withstand Tiburon’s salt-laden air. Inland-spec uses standard galvanized hardware, which costs less upfront but corrodes within a few years on bay-facing slopes. The coastal-spec quote typically runs 15 to 30 percent higher on hardware, but it lasts decades instead of failing inside ten years. We give you both numbers in writing so you can decide with real dollar figures. Call (361) 320-9467 for a free estimate.
We assess the existing ridge vent, soffit ventilation, and attic airflow on every Tiburon hillside roof, because the bay’s constant wind and seasonal fog create condensation risks that inland roofs don’t face. Proper ventilation means balanced intake at the soffits and exhaust at the ridge, sized to the roof’s pitch and the attic’s volume. Getting it right prevents condensation buildup that degrades decking and shortens the roof’s life. We include ventilation in every written estimate. Call (361) 320-9467 to schedule a free estimate.
Check whether the estimate specifies fasteners and flashing as stainless or hot-dip marine-grade, not standard galvanized. Check whether the underlayment is itemized separately, especially on tile roofs. Check whether permit fees and design review costs are included or listed as exclusions. And check the guarantee: we put ours in writing for one full year, with a free return visit at no charge if the repair or installation fails. When you get a Brennan Roofing estimate, all of that is on paper before any work starts. Call (361) 320-9467 for your free estimate.
If your Tiburon roof is showing its age, or if you just want to know what’s actually happening under those tiles on the bay-facing slope, call us at (361) 320-9467. We’ll send a background-checked, uniformed technician to your home, put the price in writing before any work starts, and stand behind the job for a full year. That’s the Garrison Standard, and it’s how we work in Tiburon.
Written by Travis Oakley, Owner at Brennan Roofing, serving Tiburon with The Garrison Standard.






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