Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
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After
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Before
AfterRoofers in San Leandro, CA
Most roof work in San Leandro comes down to two realities: homes built in the 1950s and 60s with original skip sheathing, and a fog belt that keeps north-facing slopes damp for months at a time. When you strip a roof here, you often find moss intrusion and rotted sheathing that other Bay Area cities don’t deal with to the same degree. We approach every San Leandro job with that in mind, and we put the price in writing before any work starts. Call (361) 320-9467 for a free estimate.
Why San Leandro Homes Are Different
San Leandro’s post-WWII tract housing has a specific set of roof conditions that shape how we bid and build. The original 1×6 skip sheathing under those composition shingles was never meant to last 60 years, and in neighborhoods like Bay-O-Vista and Estudillo Estates, it’s common to find rotted decking once the old roof comes off. That means a straightforward tear-off and reroof can turn into full sheathing replacement, and the price reflects that before we start, not after. Low-slope and shallow-pitch roofs are the norm here, which changes drainage math and flashing details compared to steeper roofs in Oakland or newer construction in the East Bay.
Fog is the other factor. Marine air pushes through the San Leandro and Hayward gaps and sits on rooftops, especially north-facing planes. Moss and algae take hold, trap moisture against the shingle surface, and shorten roof life well before the material’s rated lifespan. We account for that when we choose underlayment and ventilation upgrades. The Hayward Fault runs close enough that we also recommend flexible flashing and secure roof-to-wall connections where the decking is already open. Those are San Leandro realities, not generic roofing talking points.
Our Main San Leandro Services
Most San Leandro homeowners call us for one of three reasons: they need a full roof replacement, they have a specific leak or damage issue, or they want a professional opinion before buying or selling. Each service has its own page with local detail and pricing.
Roofing Company in San Leandro
Full roof replacement in San Leandro means working with what’s under the shingles, not just what’s on top. The original skip sheathing, minimal attic ventilation, and decades of fog exposure often mean we’re rebuilding parts of the roof deck before the new material goes down. We walk you through material options from manufacturers like GAF and CertainTeed and give you a written price before any work starts. See our Roofing Company in San Leandro page for full local detail.
Roof Repair in San Leandro
Most repair calls in San Leandro trace back to moss on north-facing slopes, failed flashing at chimney or vent penetrations, or shingle wear near the eaves where fog lingers. A small leak doesn’t stay small on a low-pitch roof, so we look at the surrounding decking and underlayment, not just the visible damage. Our repair work is backed by the 365-Day Done Right Promise: in writing, for one full year, with a free return visit if it fails. See our Roof Repair in San Leandro page for pricing and process.
Roof Inspection in San Leandro
San Leandro’s fog and seismic exposure make inspections worth doing before a real estate transaction or after a wet winter. We check for moss intrusion, rotted sheathing, flashing integrity, and ventilation shortfalls that aren’t visible from the ground. The written report tells you what needs attention now and what can wait. See our Roof Inspection in San Leandro page for what the inspection covers and what it costs.
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in San Leandro
We install and repair roofs using materials from GAF, CertainTeed, and Owens Corning, among others. Our crews stock common matching parts locally, so shingle and flashing repairs in San Leandro don’t wait on a shipment. For the full range, see our brands.
Pricing for Roofers in San Leandro, CA
| Service | Typical range in San Leandro |
|---|---|
| Minor shingle or flashing repair | $385 to $595 |
| Moderate leak or flashing replacement | $595 to $1,250 |
| Major roof repair (structural or extensive decking) | $1,250 to $2,500 |
| Roof inspection (standalone) | $85 to $200, often credited toward repair or replacement |
| Small asphalt shingle reroof | $6,500 to $14,000 |
| Mid-size asphalt shingle roof | $9,500 to $19,000 |
| Large or complex asphalt shingle roof | $18,500 to $35,000+ |
| Specialty materials (metal, tile, slate, flat/low-slope membranes) | $25,000 to $60,000+ |
What pushes San Leandro prices up is what’s under the shingles: rotted skip sheathing, missing ventilation, and moss damage that only becomes visible after tear-off. We write the number down before any work starts, and that number does not move at the door.
Neighborhoods We Serve in San Leandro
We work across San Leandro regularly, from the older tract subdivisions to the hillside streets. Same-week scheduling is typical for most jobs, and we confirm the arrival window in writing before dispatch.
- Bay-O-Vista
- Estudillo Estates
- Washington Manor
- Davis Tract
- Bancroft
Service Area – Cities Near San Leandro
Our San Leandro crews also serve nearby East Bay communities, including San Lorenzo, CA, Castro Valley, CA, Oakland, CA, and Alameda, CA. If you’re on the edge of San Leandro and a neighboring town, call (361) 320-9467 and a live person will confirm which crew covers your street.
Serving San Leandro, CA - Our Local Coverage Area
We’re based in the San Leandro 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 Roofers in San Leandro
Most San Leandro inspections and estimates are scheduled within a few days, and we confirm the arrival window in writing before dispatch. Phones are answered by a live person around the clock, so you won’t wait on a voicemail. Call (361) 320-9467 to set a time.
Full reroofs in San Leandro generally require a permit, and we pull permits and handle the inspection process as part of the job. Repairs that don’t alter the roof structure usually don’t, and we’ll tell you before work starts which path applies to your job.
Moss will return on north-facing slopes if the conditions that fed it aren’t addressed. That’s why we recommend improved attic ventilation and, where appropriate, algae-resistant shingles for San Leandro homes. We’ll explain the options and the cost difference in writing before you commit.
Call Brennan Roofing at (361) 320-9467 for a free estimate. We operate under The Garrison Standard: written price before any work starts, background-checked uniformed technicians, and a full-year written guarantee on every job.
What happens when you call
- 1A real person answersNo phone trees - talk to a local roofing pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What San Leandro Customers Say
"They gave me a warranty in writing and stood behind it."
- Irene G."Quality work and clear communication. Rain pushed the start by two days, which is fair, but we were hoping to be done sooner."
- Cathy N."Storm took off a section of shingles. They were here next morning to tarp it and finished the repair that week."
- Elaine D.