Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roof Replacement Across Redwood City
Roof replacement in Redwood City typically runs $14,500 to $28,000 for a standard single-family home with architectural asphalt shingles, and most full re-roofs take 2 to 4 days once materials land. You’re not calling around because you want a new roof. You’re calling because yours failed after the last repair, or the last crew never showed, or you got a price at the door that didn’t match the quote. Tilehurst Roofing fixes that process first. We give you a written price before any work starts, we show up on the date we promised, and a live person answers the phone at (945) 303-9821 any hour of any day. If the roof we install doesn’t hold up, our 365-Day Done Right Promise puts the guarantee in writing before the crew leaves your driveway.
Why Tilehurst Roofing Is Redwood City’s Preferred Roof Replacement Company
We’re part of the Kingswell family of roofing companies, founded in 2000, and our Redwood City crews know this city’s housing stock the way you know your own street. The postwar ranch homes on Roosevelt and Redwood Shores, the 1950s low-slope builds up in Farm Hill, the older Craftsman bungalows near downtown with original wood shake that’s been drying for sixty years. Greg Holloway leads our Redwood City replacement work, and he’s the one who walks your roof before anyone touches a nail. Our reputation in the neighborhoods came from doing the unglamorous things right. We answer calls. We show up inside the window we gave. We leave the site cleaner than we found it. And when a Redwood City customer has a question after the roof is done, they aren’t leaving a voicemail and hoping.
Reroofing in Redwood City
Reroofing in Redwood City means tearing off the old roof system down to the decking and installing a complete new roofing assembly rather than layering a second roof over a failing first one. We see this need most often on the 1950s and 1960s ranch homes that dominate the flatlands and lower hillsides, where the original roof is now sixty-plus years old and the underlayment beneath the shingles has turned brittle. A typical full reroof of a Redwood City ranch home with architectural shingles runs $14,500 to $22,000 depending on roof geometry, decking condition, and fire-zone requirements. If we find decking that’s rotted or delaminated from decades of thermal cycling, we replace those sections at the per-sheet price listed in your written estimate. No change orders. No surprises at the door.
Decking and Underlayment First
Before any shingle goes down, our Roof Replacement crew inspections the decking for soft spots, split boards, and fastener corrosion. Redwood City’s intense UV exposure doesn’t just age shingles; it dries the wood decking beneath them, and a roof that’s been leaking slowly into the attic often hides decking damage you can’t see from the curb. We quote the decking replacement price per sheet up front, so there’s no mystery line item added mid-project.
Architectural Shingles on a Full Tear-Off
Beyond the tear-off, a reroof installs new underlayment, new drip edge, new flashing at every penetration, and a new ridge cap. Nothing patch-and-go. On Emerald Hills and Farm Hill parcels inside the CalFire Very High Fire Hazard Severity Zone, the reroof must meet Class A assembly standards, and we submit the fire documentation with the permit package so there’s no mid-project stall at the counter.
Flat Roof Replacement in Redwood City
Flat Roof Replacement in Redwood City is common on the low-slope and shed-roof sections of postwar ranch homes, and also on some mid-century builds in the Stambaugh-Heller and Woodside Plaza areas. Flat and low-slope systems depend on membrane waterproofing rather than shingle overlap, so installation detail matters more than material weight. Replacing a flat or low-slope roof in Redwood City runs $12,000 to $20,000 for a typical single-story residential section. That price includes tear-off of the old membrane, repair of any underlying decking damage from past water intrusion, and the installation of a new adhered or mechanically fastened membrane system.
Membrane Choice for Low-Slope Sections
On Redwood City ranch homes with a 2:12 pitch or lower, shingles don’t shed water fast enough, and our crew instead specifies a single-ply membrane or a two-layer modified bitumen system. We inspect the drainage path before we order anything. Many of these 1960s low-slope roofs have undersized scuppers or a deck that’s settled just enough to hold water in a shallow pond at the center, and a new membrane won’t fix the ponding if the drainage itself isn’t corrected.
Fastener and Flashing Corrosion
Flat roofs fail quietly at the edges and penetrations. Redwood City’s marine-adjacent air plus the intense UV signature cycles metal fasteners and flashing, and we regularly pull off old flat roofs where the pipe flashing has corroded to a rusted collar while the membrane at the seams has dried and cracked. We specify stainless flashing and hot-dip galvanized hardware on flat sections so the roof’s weak points aren’t the first things to fail.
Trusted Brands We Service in Redwood City
We install roofs from seven major manufacturers, and on most Redwood City replacements we’re quoting GAF Timberline HDZ, CertainTeed Landmark, or Owens Corning Duration architectural shingles. That’s a genuine material choice, not whichever pallet happens to be on the truck. If your home has a specific aesthetic, we can put IKO or Atlas alternatives in front of you with the same written quote discipline. For Redwood City homeowners in fire zones, we verify the Class A rating of whichever product you select and keep the manufacturer’s fire-rating documentation in your job file. Local supply runs mean we aren’t waiting on a week-long special order for common colors.
Common Roof Replacement Problems We See in Redwood City Homes
- Fastener corrosion from marine-adjacent air. Roofs installed years ago with galvanized staples or plain steel nails fail at the fasteners first. The intense UV from Redwood City’s fog-gap location cycles the metal and the salt-tinged air accelerates the rust, so tabs loosen and edges lift long before the shingle itself wears out.
- Low-slope ranch roofs that dam water at the eave. Undersized drip edge and no ice-and-water shield at the eaves means winter atmospheric-river rain wicks up under the underlayment seams. This is the classic 1960s Redwood City ranch failure we see all over the flatlands.
- Dried and split wood shake on older homes near downtown. Decades of Peninsula sun dry wood shake until it cracks along the grain, and once the overlap is compromised, wind-driven rain penetrates through the field of the roof, not just at the pipe boots and chimneys.
- CalFire fire-zone surprises on western hillside parcels. Shoppers in Emerald Hills and Farm Hill get a standard composition quote, then the permit counter flags the Very High Fire Hazard Severity Zone designation and requires a Class A assembly. We include the fire-zone spec in the first written quote so there’s no surprise upgrade and no schedule stall.
Pricing for Roof Replacement in Redwood City, CA
Most Redwood City full roof replacements run $14,500 to $28,000 for architectural shingles on a single-family home. The range moves on four things: roof size and pitch, whether decking replacement is needed, whether the parcel falls inside a CalFire fire hazard zone that requires a Class A assembly, and whether the home has low-slope sections needing membrane. We give every Redwood City homeowner a written price before any work starts. Not an estimate that drifts. A written number you can hold us to. If you’re gathering bids in Redwood City, you’ll notice some contractors price inland-spec hardware and others price coastal-spec. The cheap quote uses standard galvanized fasteners and skips the ice-and-water shield. That roof is cheaper for about eight years and then it costs you twice. Call (945) 303-9821 for a free, written estimate, and we’ll give you the line-item price breakdown for your specific home.
We Also Serve Cities Near Redwood City
Tilehurst Roofing also completes roof replacements in Redwood City and the surrounding Peninsula communities including Atherton, Menlo Park, San Carlos, and Palo Alto. If you’re just outside Redwood City, call us at (945) 303-9821 and ask whether your address falls within our current service area. The same written-price guarantee applies everywhere we work.
Serving Redwood City, CA - Our Local Coverage Area
We’re based in the Redwood City 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 Redwood City
Because Redwood City sits in a fog gap that blocks the marine layer, your roof gets roughly two extra hours of direct UV exposure every day compared to fog-shrouded cities a few miles west. That accumulated UV bakes the asphalt shingle granules off faster and dries the underlayment underneath, so a roof in Redwood City reaches the brittle, cracked stage sooner than the same roof in Pacifica. The daily temperature swings also expand and contract the roofing materials more aggressively. If you’re on a low-slope ranch, the damage concentrates at the eaves and seams where winter atmospheric-river rain finds the dried surface first. Call (945) 303-9821 for a free inspection and an honest assessment of what stage your roof is in. Estimates are free, and the price is in writing before any work starts.
Yes. Emerald Hills and Farm Hill parcels inside CalFire’s Very High Fire Hazard Severity Zone require a Class A-rated roof assembly as a permit condition, not an optional upgrade. That means the underlayment, the shingles, and the assembly’s fire rating must be documented and submitted with the permit package. If you got a quote from a contractor who didn’t mention this, that price is not accurate for your parcel. Tilehurst Roofing builds the Class A spec into your first written quote from day one, and we include the manufacturer’s fire-rating documentation in your job file for the permit counter. No mid-project upgrade surprise, no stalled permit, no re-quote at the door.
Stainless ring-shank nails, not plain steel and never staples. Redwood City’s marine-adjacent air and intense UV cycling accelerate fastener corrosion on roofs installed with galvanized or plain steel hardware, and we see blown tabs and lifted edges on ten-year-old roofs where the shingles themselves are still fine but the nails have failed. Stainless ring-shank nails grip the decking and resist the salt-tinged cycle for the life of the roof. The cheaper quote uses the inland-spec hardware. That roof costs less up front and more within a decade. Ask any Redwood City bidder what fastener they specify, and write down the answer.
You can, but you shouldn’t, and we won’t on Redwood City’s postwar ranch homes. Shingles need a minimum pitch to shed water, and on a 2:12 or lower low-slope section, water doesn’t run fast enough to keep it out of the seams. We specify a membrane system on those low-slope sections and architectural shingles on the steeper sections, with a properly detailed transition between them. The transition is where amateur installs leak first. We also check the drainage path before ordering material, because many of these 1960s builds have settled decks that pond water at the center, and a new membrane won’t fix a drainage problem. Call (945) 303-9821 and we’ll walk your roof and give you the honest breakdown of what your specific roof needs.
Line by line, with the same spec. Put all your Redwood City bids side by side and force every contractor to answer three questions: What fastener are you using? What underlayment and ice-and-water shield are you including, and where? And is the assembly rated Class A if my parcel is in a fire hazard zone? The coastal-spec roof with stainless hardware, ice-and-water shield in the eaves and valleys, and a documented Class A assembly costs about $2,500 to $4,000 more up front than the inland-spec quote that skips all of that. The cheap spec fails at the fasteners and eaves inside a decade. We put every line item in writing before any work starts, and we’re happy to walk you through another contractor’s quote and show you what’s missing. That’s part of the free estimate.
Written by Greg Holloway, Owner at Tilehurst Roofing, completing roof replacements in Redwood City since joining the Kingswell family of companies.






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