Metal roofing
Architectural shingles
Tile roofing
GAF
Owens Corning
Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Roofers in Portola Valley, CA
Roofing in Portola Valley means something specific: homes are bigger, lots are steeper, and the town’s fire codes are stricter than almost anywhere else on the Peninsula. We work on custom estates built into the Santa Cruz Mountains, where roof geometry is complex, drainage has to be right, and wildfire safety is not optional. That’s why we lead with a written price before any work starts – so you know the number on paper before a single shingle comes off. Call (669) 238-2101 to talk through your roof.
Why Portola Valley Homes Are Different
Portola Valley sits in the Wildland-Urban Interface, which is the boundary where homes meet wildland vegetation. That location drives everything: Class A fire-rated roofing is required for most reroofs, and the town’s WUI inspections are rigorous. A wood shake roof that was standard in the 1970s will not pass today without an upgrade to metal or composition shingles rated for fire resistance.
The housing stock tilts toward custom builds from the 1960s through the 1980s. Many of those homes have low-pitch or flat roof sections that demand careful membrane work and metal flashing details. Heavy winter rains roll in off the coastal range, so drainage has to move water off the roof fast. We see a lot of original tile and shake roofs reaching the end of their service life, and the replacement conversation in Portola Valley almost always runs through fire code compliance first.
Terrain matters too. Steep driveways, protected oak canopies, and tight hillside access change how materials get delivered and staged. A Portola Valley reroof is not a simple tear-off. It’s a job that has to be sequenced around access, weather, and inspections, which is another reason we put the full scope and price in writing before day one.
Styles & brands we work with
Our Main Portola Valley Services
Most Portola Valley homeowners call us about two things: getting a full roof replacement planned correctly, and getting a leak or failing flashing fixed before it becomes a bigger problem. Both start with a written estimate.
Roofing Company in Portola Valley
A full reroof in Portola Valley usually starts with a conversation about fire rating. We walk the roof, map the existing material and decking condition, and lay out options in GAF, CertainTeed, and Boral lines that meet WUI requirements. The job itself typically involves tear-off, underlayment, drip edge, flashing at every penetration, and final inspection coordination with the town. We also handle the flat and low-pitch sections that many Portola Valley estates have, where membrane and metal edge work have to be dead right. Roofing Company in Portola Valley
Roof Repair in Portola Valley
Repairs here tend to center on two things: wind and rain damage at flashing points, and aging materials around chimneys, skylights, and valleys. Winter storms expose weak spots fast. We fix the leak at its source, not the stain on the ceiling, and we document what we find so you can plan ahead if the roof is nearing end of life. Every repair is guaranteed in writing for a full year under the 365-Day Done Right Promise. Roof Repair in Portola Valley
Roof Inspection in Portola Valley
An inspection is the smart move before buying a Portola Valley home or after a season of heavy storms. We check decking, underlayment, flashing, drainage, and the overall fire-rating status of the existing roof. If the roof is still serviceable, we tell you that plainly. If it’s not, you get a written report and a straightforward replacement plan with real numbers. No pressure, just facts. Roof Inspection in Portola Valley
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 Portola Valley
We install and service roofing materials from GAF, CertainTeed, Owens Corning, and Boral – lines we trust because they hold up in fire-prone, high-wind climates. We stock common parts locally and can order specialty profiles quickly when a Portola Valley home needs a specific match. Our brands page lays out the full list and what each material does best.
See the difference
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After
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AfterPricing for Roofers in Portola Valley, CA
| Service | Typical range in Portola Valley |
|---|---|
| Full roof replacement (asphalt shingle) | $12,000 – $28,000 |
| Full roof replacement (metal) | $22,000 – $55,000 |
| Full roof replacement (tile) | $30,000 – $70,000+ |
| Flat/low-pitch roof replacement | $15,000 – $40,000 |
| Roof repair (minor leak) | $450 – $1,200 |
| Roof repair (structural or decking) | $1,500 – $6,000 |
| Roof inspection | $250 – $500 |
| Gutter replacement (full home) | $2,500 – $8,000 |
| Flashing replacement (per area) | $400 – $1,500 |
| Skylight replacement | $1,200 – $4,500 |
What pushes pricing up in Portola Valley is access: steep lots, long material carries, and protected tree canopies that reduce staging space. Fire-rated materials also cost more than standard options. Every job gets a written line-item quote before any work begins, and that number does not move at the door.
Neighborhoods We Serve in Portola Valley
Portola Valley stretches across distinct pockets, each with its own terrain and building style. We work throughout the town, including:
- Central Portola Valley and the Portola Valley Ranch area
- Westridge and the western ridgeline properties
- Los Trancos Woods
- Vista Verde and the hillside estates above Alpine Road
- Ladera and the eastern edge near the Stanford boundary
Most Portola Valley appointments can be scheduled within a few business days, with full estimates delivered in writing at the visit.
Service Area – Cities Near Portola Valley
We also cover the neighboring Peninsula communities with the same written-price standard. That includes Stanford, CA, Los Altos, CA, Atherton, CA, and Palo Alto, CA. Scheduling is coordinated through our metro office, and our crews are dispatched locally to Portola Valley and the surrounding area.
Serving Portola Valley, CA - Our Local Coverage Area
We’re based in the Portola Valley 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 Portola Valley
We can typically schedule an estimate in Portola Valley within a few business days, and standard inspections move even faster. Repair visits are prioritized by severity. Call (669) 238-2101 and a live person picks up – no voicemail queue.
Yes, Portola Valley requires permits for reroofs, and most projects must pass the town’s Wildland-Urban Interface inspection for fire-rated materials. We handle the permit paperwork and inspection scheduling as part of the job, with everything documented in writing.
No. The price goes on paper before any work begins, and it stays there. If we find hidden decking damage we don’t know about until tear-off, we stop work, show you the issue, and get written approval before proceeding. No surprise change orders at the end.
To schedule a free estimate or ask a question about your Portola Valley roof, call Brennan Roofing at (669) 238-2101. A live person answers, the price goes in writing before any work starts, and every job carries the 365-Day Done Right Promise in writing for one full year.
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 Portola Valley Customers Say
"Neat, quiet, and disciplined crew. Magnet swept the yard after."
- Tonya R."Crew lead is a veteran and runs the job like it. Showed up at 7 sharp, tarped the garden, tore off the old roof, and had the new shingles on by the end of day two."
- Joe K."Storm took off a section of shingles. They were here next morning to tarp it and finished the repair that week."
- Elaine D.