Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
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AfterFast, Reliable Roofing Company Across El Sobrante
Roofing work in El Sobrante runs $8,500 – $22,000 for a full replacement on a typical ranch or hillside home, with repairs ranging from $350 – $1,800. We are Brennan Roofing, and we operate under a written standard called The Garrison Standard: the price goes on paper before any work starts, the crew shows up in uniform, and every job carries a one-year written guarantee. Our crews know El Sobrante because we work here constantly, from the flat valley floor off San Pablo Dam Road to the steep lots above Valley View Road. Call (361) 320-9467 for a free roofing estimate, and a live person answers. Always.
What makes El Sobrante different from Pinole or San Pablo is not just the hills. It is the fog that rolls up San Pablo Creek in the morning and settles on north-facing roof slopes while the afternoon sun bakes the south side. Most roofers write one spec for the whole roof. We do not. We write two specs on the same house, because a single El Sobrante roof often needs two different material strategies to last. More on that below.
Why Brennan Roofing Is El Sobrante’s Preferred Roofing Company
Travis Oakley leads our crews. He is the person accountable for every job we run in El Sobrante, and his name goes on the written guarantee. That matters when you are letting someone onto a roof over your kitchen.
Our reputation in El Sobrante comes from the same thing every time: we give a written price before work begins, and that price does not move at the door. We answer the phone with a live person every day of the year, including weekends and after dark. No callback queue. No voicemail tree. When a wind storm off the Berkeley Hills tears a section of flashing loose at 9 p.m., you get a person, not a recording.
Every tech who walks your El Sobrante property is background-checked and in uniform. You know exactly who is on your roof. That is the Garrison Code, and it is the same on every job here, whether we are patching a leak on a 1950s ranch near San Pablo Creek or replacing a tile roof on a hillside custom home above Appian Way.
Free Roof Estimate in El Sobrante
A Free Roof Estimate in El Sobrante means one of our inspectors walks your roof, photographs what they find, and writes the price on paper before they leave. That price is the price. It does not change when the crew arrives, unless we find hidden rot under the decking when the old shingles come off, and even then we show you the rot before we touch it and get your sign-off on the added scope in writing.
What the Estimate Covers
We measure every roof plane, inspect the flashing at chimneys, sidewalls, and plumbing vents, check the decking for soft spots, and look at the gutter runs. On El Sobrante homes from the 1940s through the 1970s, we pay particular attention to skip sheathing. That is the old method of nailing shingles over spaced boards, and it hides rot from decades of creek-adjacent damp. We write the decking condition into the estimate so you know before work starts whether the old boards stay or go.
When You Need It
Call for a free estimate when you see shingle granules in the gutter, when a north-facing slope shows moss growth at the edges, or when you can see daylight through the attic boards. Do not wait until water stains show on the ceiling. By then the decking under the shingles has already been wet for a while.
Roofing Contractor in El Sobrante
A Roofing Contractor in El Sobrante has to be comfortable on steep hillside lots and tight valley-floor streets, and has to know how the fog and heat differential work against a roof here. We do both. Our crews have reroofed single-story ranch houses off Castro Ranch Road and two-story custom builds tucked into the hills above San Pablo Dam Road. The lot access is often tight, the slopes are often steep, and the decking condition varies house to house.
Installation and Replacement
Full roof replacements in El Sobrante run from roughly $8,500 on a small valley-floor ranch to $22,000 or more on a larger hillside custom home with steep pitches and multiple valleys. The range depends on the roof’s square footage, pitch, number of penetrations, and what we find under the old shingles. We install architectural shingles from GAF, CertainTeed, and Owens Corning, and we specify the shingle by slope orientation. South-facing slopes get heat-rated shingles. North-facing slopes get a moss-resistant underlayment.
Repair and Inspection
Repair work in El Sobrante typically costs $350 – $1,800. A flashing repair at a chimney or sidewall runs on the lower end. Replacing rotted decking sections and re-shingling an entire roof plane runs higher. We also do full roof inspections, which is the smart move before the rainy season when bay fog and Pacific storms push moisture up against the Berkeley Hills and over El Sobrante.
Trusted Brands We Service in El Sobrante
We install GAF, Atlas, and CertainTeed architectural shingles, and we keep common flashing stock, underlayment rolls, and drip edge in our local Bay Area yard so an El Sobrante repair job does not wait on a warehouse order from another state. When we replace a roof here, we order the materials for the specific slopes on your house, not a one-size-fits-all pallet. That way the south side gets what the south side needs, and the north side gets what the fog demands. Travis Oakley reviews every materials list before the crew loads the truck.
Common Roofing Company Problems We See in El Sobrante Homes
- Moss lifting shingles on north-facing slopes. The morning fog off San Pablo Creek keeps those slopes damp, and moss takes hold. Once moss lifts the shingle edges, water gets to the underlayment and the roof fails in eight to ten years if the underlayment was not moss-resistant.
- Rusted drip edge and corroded fasteners. Wind-driven rain off the Berkeley Hills pushes water sideways, and when it hits standard galvanized drip edge and plain electroplated nails, the metal rusts through. We replace it with marine-grade aluminum drip edge and stainless or hot-dip galvanized fasteners.
- Soft decking hidden under skip sheathing. Homes built between the 1940s and 1970s on the valley floor near San Pablo Creek often have skip sheathing, and years of damp air and past flooding have warped or rotted the boards. A re-roof that skips decking replacement leaves soft spots under the new shingles, and the roof will not hold up.
- Leaks at valley intersections and plumbing vents. The water that comes sideways off the hills finds every small gap around a vent pipe or valley seam. Without ice and water shield run through the valleys and sealed penetrations, those leaks come back within a few winters.
Pricing for Roofing Company in El Sobrante, CA
A full roof replacement in El Sobrante runs $8,500 – $22,000. A simple ranch on the valley floor lands near the bottom of that range. A hillside custom home with steep pitches, multiple valleys, and limited access lands near the top. Repairs run $350 – $1,800 depending on scope. What moves the price here is the two-spec approach: a roof where the north side needs moss-resistant underlayment and extra flashing detail and the south side needs heat-rated shingles costs more than one spec for the whole roof. But the coastal-spec roof lasts, and the inland-spec roof fails in eight to ten years. The cheapest bid is not always the cheaper roof. Call (361) 320-9467 for a free written estimate, and we will show you exactly what your house needs and what it costs.
We Also Serve Cities Near El Sobrante
Our crews cover El Sobrante and the surrounding East Bay communities. We run jobs in Pinole, San Pablo, Hercules, and El Cerrito. If you are on the edge of town or in a neighboring city, the same written-price standard and the same crews apply. Call (361) 320-9467 and ask for Travis Oakley.
Serving El Sobrante, CA - Our Local Coverage Area
We’re based in the El Sobrante 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 El Sobrante
Valley floor homes sit in the damp air that settles along San Pablo Creek, and many were built with skip sheathing that holds moisture against the shingles. Hillside homes get more wind and sun, which dries the roof deck. Add in past flooding near the creek, and the valley floor roofs are often rotting underneath while they still look fine on top. We inspect the decking directly when we write an estimate. Call (361) 320-9467 for a free inspection.
The fog and salt air corrode standard electroplated nails and plain galvanized drip edge within a decade in El Sobrante. We specify stainless or hot-dip galvanized fasteners and marine-grade aluminum drip edge on every roof here. The hardware costs a little more up front and prevents leaks that would force a full replacement later. Call (361) 320-9467 for an exact quote on your roof.
Most of the time, yes. Skip sheathing on a 60-year-old El Sobrante house has usually been softened by decades of damp air from the creek. We pull a section during the estimate, inspect the boards, and show you what we find. If the boards are solid, we can re-roof over them. If they have swelled or cracked, the decking gets replaced before the new shingles go down. Call (361) 320-9467 to schedule an inspection.
Yes, when they are installed with a six-nail pattern and the right underlayment. Architectural shingles from GAF, Atlas, and CertainTeed carry high wind ratings, but the installation matters more than the shingle label. We run ice and water shield through the valleys and seal every penetration to keep wind-driven rain from getting sideways under the shingles. Call (361) 320-9467 for a written quote.
The quote should name the decking condition, the fastener type, the underlayment spec by slope orientation, and the drip edge material. If a quote is just a square-foot price with no mention of moss-resistant underlayment on the north side or stainless fasteners, it is an inland-spec bid, and it will cost you more on a hillside home in ten years. Call (361) 320-9467 and we will write the exact scope on paper before any work begins.
Written by Travis Oakley, Owner at Brennan Roofing, serving El Sobrante under the Garrison Standard.