Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roof Replacement Across Millbrae
A full roof replacement in Millbrae runs $14,000-$32,000 for a typical single-family home, with asphalt shingle tear-offs starting near the lower end and steep-pitch Highlands jobs with coastal-spec flashing landing near the top. We know this market because we work in it every week, and we’ve torn apart enough Millbrae ranch roofs to know exactly what the salt fog near the bay has already done to your flashing before we even set up a ladder. If you want a written price for your Millbrae roof before any work starts, call (945) 303-9821. The estimate is free, and a real person answers.
Millbrae isn’t an easy place to roof. The same marine air that keeps the hills green also keeps north-facing shingle planes damp for months at a stretch, and for the bayshore flats east of El Camino Real, salt-laden wind off the bay has been working on your metal components since the day they were installed. A roof replacement here isn’t just new shingles. It’s a chance to fix the corrosion cycle that killed the last roof. That’s what we do for homeowners across Millbrae, and our Roof Replacement team takes the coastal spec seriously.
Key Takeaways for Millbrae Homeowners
- Full roof replacement in Millbrae runs $14,000-$32,000 depending on size, pitch, and coastal-spec materials.
- Salt air near the bay forces coastal-rated stainless or hot-dip galvanized flashing and fasteners. The cheap inland spec fails within a decade.
- Some Millbrae homes sit beneath SFO’s FAA Part 77 airspace surfaces, meaning rooftop height changes may need an obstruction study.
- Tilehurst gives every Millbrae customer a written price before any work starts, plus a written guarantee on every job.
Why Tilehurst Roofing Is Millbrae’s Preferred Roof Replacement Company
Tilehurst Roofing is part of the Kingswell family of roofing companies, founded in 2000, and built for homeowners who have already been let down once. No-shows, price changes at the door, repairs that failed within months. Millbrae homeowners call us because we answer the phone with a live person 24 hours a day, show up in the window we gave, and put every guarantee in writing before a single nail is driven. Greg Holloway leads our crews with the same steady standard on every job: say the price before the work, leave the place cleaner than we found it, and come back if anything fails under the 365-Day Done Right Promise.
Our Millbrae customers know the difference between a roofer who works here and one who just shows up. We know that original galvanized drip edge on a 1950s ranch in the flats is likely corroded to near-paper thickness. We know that Highlands hillside streets like those winding up from Millbrae Avenue don’t allow for casual staging. And we know that a live person needs to answer your call at 9 pm on a Sunday when fog moisture has found a leak. That local knowledge is part of every roof replacement we do in Millbrae.
Roof Replacement Contractor in Millbrae
A Roof Replacement Contractor in Millbrae does more than swap old shingles for new. The job here means pulling off every layer down to the decking, inspecting the sheathing for moisture damage the fog has been feeding for decades, replacing failed underlayment, and then reinstalling with materials that can actually survive a bayshore location. You need a full tear-off when your existing roof is past its serviceable life, when shingles are losing granules faster than they should, or when leaks have already reached the decking. Most single-family replacements in Millbrae run $14,000-$32,000 depending on roof size, pitch, and whether the job requires extended staging around narrow hillside access.
Tear-Off and Decking Inspection
We pull every layer, down to the wooden deck. On post-war Millbrae ranch homes, this is where we routinely find what decades of trapped moisture left behind: soft plywood, swollen seams, and fasteners that turn to rust the moment we expose them. If decking has failed, we replace those sections before anything new goes down. That’s the only way to keep a Millbrae roof from failing from the inside out.
Coastal-Spec Replacement Assembly
We rebuild the roof with materials rated for salt air and persistent fog. Hot-dip galvanized flashing instead of standard electro-galvanized, stainless fasteners at every penetration, and underlayment that can hold up to Millbrae’s sustained moisture load. This is the difference between a roof that holds for decades and one that starts rusting before the shingle warranty is even half used.
Asphalt Shingle Roof Replacement in Millbrae
An Asphalt Shingle Roof Replacement in Millbrae is the most common full replacement we do, and for good reason. Architectural asphalt shingles hold up well to wind and rain, but Millbrae’s fog belt puts them under moisture stress that inland Peninsula towns never see. If your shingles are losing granules, curling at the edges, or showing moss and lichen growth that keeps returning, the roof is telling you it is done. A standard architectural asphalt replacement on a Millbrae ranch runs $14,000-$24,000 depending on square footage. Steeper Highlands homes with more complex valleys and staging constraints run higher, toward $26,000-$32,000.
Architectural Shingles for Fog-Belt Roofs
We recommend architectural shingles over three-tab for almost every Millbrae home. They resist granule loss better, handle moisture cycling with less curling, and carry stronger wind ratings, which matters on the fog-blasted west-facing planes up in the Highlands. Brands we install include GAF, Owens Corning, and Atlas, and we always spec algae-resistant granules because if there is one thing Millbrae roofs grow, it is algae.
New Underlayment and Valley Sealing
The shingles are only the top layer. Almost every Millbrae tear-off reveals underlayment that has been absorbing bay moisture for decades, especially in valleys and around penetrations. We install fresh synthetic underlayment over the full roof, plus ice and water shield in valleys and at any place water could pool or creep. That is where Millbrae roofs leak first, and it is where we refuse to cut corners.
Trusted Brands We Service in Millbrae
Tilehurst Roofing installs replacement roofs from seven leading manufacturers: GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. That means you get a genuine choice, not whatever happens to be sitting in the truck. For Millbrae homes, we often spec GAF architectural shingles with algae-resistant granules for flats and lightly sloped roofs, Atlas for wind-exposed Highlands planes, and Boral for homeowners who want a premium composite look that shrugs off fog moisture. We keep common materials staged for Millbrae jobs, which shortens lead times and keeps our crews moving without waiting on standard shipments.
Common Roof Replacement Problems We See in Millbrae Homes
- Salt-eaten flashing and drip edge. On bayshore flat homes east of El Camino Real, the original galvanized metal is often corroded to the thickness of paper. When we tear off and find this, the only correct repair is full replacement with hot-dip galvanized or stainless material. Painting over rust doesn’t work.
- Fog-driven moss and granule loss. North- and west-facing planes in Millbrae stay damp longer than anywhere else on the mid-Peninsula, and moss roots into the shingle surface and pulls granules away. Architectural shingles with algae-resistant granules slow it, but they don’t eliminate the need for proper attic ventilation.
- Rotted decking under valleys and penetrations. The same moisture that feeds the fog gets trapped in valleys and around pipe boots. By the time a homeowner sees a ceiling stain, the decking underneath is often soft and in need of section replacement.
- Undersized or corroded gutter spikes. Millbrae salt air eats exposed metal fasteners, and original gutter spikes on post-war homes are frequently loose or crumbling. During a full replacement, we re-secure gutters with stainless or hot-dip fasteners so they don’t fail before the new roof does.
Pricing for Roof Replacement in Millbrae, CA
A full tear-off and architectural shingle replacement on a typical 1,500-2,000 square foot Millbrae ranch runs $18,000-$26,000. Steeper Highlands homes with complex valleys, extended staging from narrow streets, and coastal-spec materials add another $4,000-$7,000. If you want the cheapest inland-spec bid, you’ll find it. That roof may last ten years before the flashing has rusted and the leaks return. The coastal-spec assembly costs more up front because the materials and labor are priced honestly. You are buying a roof that survives the salt air, not one that just covers the decking for a while. Call (945) 303-9821 and we’ll give you a written price before any work starts, and our estimate is free.
We Also Serve Cities Near Millbrae
Our crews regularly cross city lines for full replacements in San Bruno, Burlingame, South San Francisco, and Pacifica. Each of those towns has its own microclimate quirks, and we spec each roof accordingly. If you live just outside Millbrae or own a rental near the SFO approach, we can help with the same written-price standard. Call (945) 303-9821 to schedule a free estimate anywhere in the mid-Peninsula.
Serving Millbrae, CA - Our Local Coverage Area
We’re based in the Millbrae 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 Roof Replacement in Millbrae
Because Millbrae’s salt air and fog moisture require coastal-spec materials that drier Peninsula towns can skip. Hot-dip galvanized flashing, stainless fasteners, full ice-and-water shield in valleys, and algae-resistant architectural shingles all cost more than standard inland-spec components. A San Carlos roof may never see the corrosion we routinely find on a Millbrae ranch. You’re not paying for a brand name; you’re paying for the metal thickness and coating that keeps the roof from failing in a decade. Call (945) 303-9821 for a written, itemized price so you can compare specs, not just totals.
Only if your roof replacement adds height, such as a dormer, rooftop solar racking, or an elevated HVAC curb. Millbrae is the only Peninsula city where much of the residential flatland sits directly beneath SFO’s active Part 77 imaginary airspace surfaces, so a project that adds a few feet can trigger an obstruction study or notice-to-airmen filing. A straightforward tear-off and re-shingle at the same height does not. If your project does add height, we can tell you early in the estimating process and help you determine what, if anything, needs filing.
Fog keeps roof surfaces damp for long stretches, which invites moss and lichen that lift shingle granules. We recommend architectural shingles with algae-resistant granules, typically from GAF, Owens Corning, or Atlas, on nearly every Millbrae roof. Underneath, we install full synthetic underlayment plus ice and water shield in valleys and around penetrations, so the moisture that does reach the decking has a drainage path and can’t soak the wood. A San Carlos roof might not need that level of reinforcement; a Millbrae roof does.
We tore the original 1950s low-slope roof off a ranch house in the Millbrae bayshore flats and found the original galvanized drip edge and step flashing corroded down to near-paper thickness, with salt fog having eaten the valley flashing and gutter spikes along the way. We replaced the failed underlayment with ice and water shield in the valleys and at penetrations, then spec’d coastal-rated stainless fasteners and hot-dip galvanized flashing instead of the standard electro-galvanized material. The homeowner traded a cheaper inland-spec bid for the coastal spec, and the new assembly now handles the fog-belt moisture without the corrosion cycle that killed the first roof. That is what a Millbrae tear-off actually looks like.
Line the bids up item by item: flashing material and coating, fastener type, underlayment brand and coverage, shingle brand and rating, and whether the price includes decking replacement if hidden rot appears. Two bids may both say “architectural shingles,” but one may spec standard electro-galvanized flashing and the other hot-dip galvanized. In Millbrae, that one line item changes whether the roof survives ten years or thirty. We give Millbrae homeowners a written, line-item price before any work starts, so you never have to guess what you’re actually buying. Call (945) 303-9821 and we’ll walk you through the comparison.
Written by Greg Holloway, Owner at Tilehurst Roofing, serving Millbrae and the mid-Peninsula with coastal-spec roof replacements.






Before
After
Before
After
Before
After