Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roofing Company Across Los Altos
Roof replacement in Los Altos typically runs $14,000 – $28,000 for a mid-century ranch, and most projects take two to four weeks once planning approval clears. Repair work usually falls between $450 and $1,800. The number that matters more than either is the one on paper before anything gets ordered. That’s how we work. Brennan Roofing serves Los Altos homeowners who want a roofing company that shows up on time, puts the price in writing, and stands behind the work for a full year. Call (361) 320-9467 to schedule a free estimate.
Los Altos is not a quick-tarp-and-go market. The housing stock, the oak canopy, and the city’s design review process all shape how a roof job actually unfolds. We know the difference between a tear-off in North Los Altos and one near Rancho San Antonio. Our Roofing Company team includes technicians who understand heritage oak root zones, mid-century low-slope decking, and the planning approvals that come before the first bundle of shingles arrives.
Why Brennan Roofing Is Los Altos’s Preferred Roofing Company
Los Altos homeowners choose us for the same reason they choose their architect or their arborist: they want someone who respects the process and doesn’t flinch at the details. We’ve worked on homes from the Barron Park corridor to The Highlands, and the common thread is discipline. Every job begins with a written price. Every technician arrives background-checked and in uniform. And every roof, whether a small repair or a full replacement, carries our 365-Day Done Right Promise in writing.
That guarantee is specific. One full year, and if something fails, we return and fix it at no charge. No re-inspection fee, no argument about scope. It’s the only way a roofing contractor in Los Altos should operate.
Travis Oakley leads the Brennan Roofing team with a simple rule: the price on the estimate is the price on the invoice. Nobody wants a door knock with a “revised scope” after the decking is exposed. Our crews are local to the Bay Area, dispatched from our San Francisco Bay Area office, and we answer the phone with a live person around the clock. No voicemail queue. No automated tree. When a Los Altos homeowner calls at 6 a.m. about a leak, a person picks up.
Free Roof Estimate in Los Altos
A Free Roof Estimate in Los Altos is the first step before any tear-off, and it’s where we walk the roof, check the flashing, inspect the decking and underlayment, and write down exactly what’s needed and what it costs. For a mid-century ranch in the Oak Avenue or Springer Road area, that means measuring the pitch, looking at valley conditions, and flagging any sections where valley oak debris has sat against the shingles long enough to start moss.
What the Estimate Covers
We document the roof plane by plane. That includes the number of squares, the condition of the existing underlayment, the state of the drip edge, and whether the decking has any rot around the eaves. Then we assign a dollar figure to each line item and lock it. No range. No “we’ll see once we open it up.” If we find unexpected decking rot during the tear-off, we stop, show you photos, and agree on any additional cost before we proceed. Nobody gets surprised at the end.
When to Schedule the Estimate
If you’re thinking about a roof in Los Altos, get the estimate before you talk to the city. Los Altos design review for material and color changes can take several weeks, and we’d rather have the scope and price in your hands before that clock starts. You’ll know the number on day one, and you’ll have time to order samples and check colors against your neighbors without pressure.
Roofing Contractor in Los Altos
A Roofing Contractor in Los Altos does more than nail shingles. The good ones manage the calendar, the permits, the arborist, and the material lead times. That last one is the thing most homeowners don’t see coming. GAF and CertainTeed architectural shingles have been running four to eight weeks on order in the Bay Area, and custom color-matched tile can run longer. If you haven’t confirmed planning approval before ordering, you’re either paying for materials you can’t install or watching the project slip by a month.
Design Review and Material Selection
Los Altos enforces residential design guidelines that often come into play when a roof changes color or material. A wood shake replacement in Old Los Altos, for example, may need approval before you switch to an asphalt or composite product. We coordinate that process, order samples, and keep the writeup plain enough that the planning desk knows exactly what’s going on the roof.
Arborist Coordination
Under a coast live oak, everything changes. The city’s oak protection ordinance can require a certified arborist on site before any equipment rolls near the critical root zone. In some cases, we hand-dig or use air spades rather than driving machinery over roots. That’s a Los Altos-specific step, and we treat it as standard, not optional.
Trusted Brands We Service in Los Altos
We install materials from GAF, Atlas, and Tamko, among others. For Los Altos ranch homes with shallow pitches, we often recommend GAF Timberline architectural shingles for their wind rating and UV performance under the dry summer sun. For homes with clay tile or flat sections, we work with Atlas and Tamko lines and explain the trade-offs in plain English before you commit. We keep common flashing, underlayment, and vent components stocked locally through our Bay Area suppliers, which shortens repair turnaround in Los Altos when a storm blows through.
Common Roofing Problems We See in Los Altos Homes
- Oak debris and moss on north-facing slopes. In Barron Park and Old Los Altos, mature coast live oaks drop leaves and acorns year-round. The north slopes stay damp through the winter, and that’s where moss and algae take hold and start lifting shingle edges.
- Failed wood shake and shingle roofs from the 1940s – 1970s. Much of the original Los Altos housing stock went up with wood shake roofs that are now beyond repair. Replacement means navigating design review and fire code, not just tearing off and nailing down.
- Low-slope decking and inadequate ventilation. Mid-century ranch homes often have shallow pitches with limited attic venting. Heat builds up in the summer, the decking expands and contracts, and eventually the fasteners back out. We see it most on homes along Miramonte and Almond avenues.
- Storm damage from wind-driven rain. Los Altos doesn’t get snow load, but storms off the Santa Cruz Mountains can drive rain sideways into old flashing and valleys. The fix is usually new flashing and properly lapped underlayment, not a full roof.
Pricing for Roofing Company in Los Altos, CA
Here are the numbers we give Los Altos homeowners before we start:
- Roof repair: $450 – $1,800 depending on flashing, decking, and access. A simple leak around a vent is on the low end. A valley rebuild with rotted decking is higher.
- Roof replacement on a mid-century ranch: $14,000 – $28,000 depending on squares, material, and whether we’re adding ice and water shield or upgrading ventilation.
- Full roof inspection: $250 – $450, credited toward the job if you hire us.
- Metal or tile roofing: $22,000 – $45,000+ for a custom Los Altos home, driven largely by material lead times and the complexity of the roofline.
The single biggest cost variable in Los Altos is planning approval timing, not labor. When the city’s design review calendar pushes your start date back, long-lead shingles you ordered too early can sit in a warehouse or trigger restocking fees if the product changes. We fix the price in writing before ordering, so the number doesn’t move while the calendar does. Call (361) 320-9467 for a free estimate and a line-item quote you can hold us to.
We Also Serve Cities Near Los Altos
Brennan Roofing serves Los Altos and the surrounding Peninsula communities, including Mountain View, Stanford, Palo Alto, and Menlo Park. If you’re in one of those cities and looking for a Roofing Company in Los Altos that runs on written prices and a one-year guarantee, we can help. The drive from our Bay Area dispatch is short, and the same Garrison Standard applies on every job.
Serving Los Altos, CA - Our Local Coverage Area
We’re based in the Los Altos 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 Los Altos
Often, yes. Los Altos enforces residential design guidelines, and changing the roof material or color can trigger design review. A like-for-like material swap may not, but a wood shake to asphalt or tile conversion almost always does. We handle the paperwork and the samples, and we recommend confirming approval before ordering long-lead materials. Call (361) 320-9467 and we’ll walk you through the process for your specific street.
They can trigger the city’s oak protection ordinance. If your roof sits under or near a protected coast live oak, we may need a certified arborist on site, hand tools within the critical root zone, and debris management that doesn’t damage the roots. We’ve done this work in Barron Park and Old Los Altos; it adds time and coordination, and it’s not optional. A written scope keeps the cost clear before we start.
Architectural asphalt shingles like GAF Timberline work well for shallow-pitch ranch roofs; they handle the UV load and the wind-driven rain without the weight of tile. Composite shake is a good match when design review wants you to keep the original wood look. We’ll show you samples against your existing facade and explain the fire ratings and manufacturer warranties for each line we carry.
We order early and we order only after the written price is set and the design review is locked. GAF, Atlas, and Tamko architectural shingles have been running four to eight weeks in the Bay Area, and custom color tile can go longer. If your approval takes six weeks and your shingles take six weeks, that’s a parallel track, not a delay. What we don’t do is order materials on a guess and then pass you a restocking fee if the city changes the direction.
Ask for the price in writing before any work starts, ask whether the quote includes arborist coordination if you have protected oaks, and ask what happens if the city’s design review changes the material spec. Then ask about the guarantee in months, in writing. Ours is the 365-Day Done Right Promise: one full year, free return visit if it fails, no fine print. Call (361) 320-9467 for a free estimate and we’ll put all of it on paper.
Written by Travis Oakley, Owner at Brennan Roofing, serving Los Altos with written-price roofing, arborist-coordinated tear-offs, and a one-year guarantee on every job.






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