Tile roofing
Architectural shingles
Metal roofing
GAF
Owens Corning
Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roof Replacement Across Lake Forest
Roof replacement in Lake Forest usually costs between $14,500 and $31,000, with most composition shingle re-roofs landing around $18,000 to $24,000 and concrete tile tear-offs running higher due to weight and labor. You’re not just paying for shingles – you’re paying for the right underlayment, the right fasteners, and a crew that understands what salt air does to a roof four miles inland from the Pacific. We show up when we say we will, put the price in writing before any work starts, and answer the phone at (559) 295-5445 when you call. Our Roof Replacement team works in Lake Forest every week, from the older split-levels off El Toro Road to the newer tracts up near Bake Parkway.
Why Tilehurst Roofing Orange County Is Lake Forest’s Preferred Roof Replacement Company
Lake Forest homeowners have been burned before. A contractor no-shows, or names one price on the phone and another at the door, or finishes a repair that leaks again in February. We built Tilehurst Roofing, a Kingswell family company founded in 2000, specifically for people who are done with that routine. Every Roof Repair in Lake Forest starts with a written price before a single nail is driven. Every repair carries a written guarantee in your hand before the crew leaves. And if something fails inside the guarantee period, we return and fix it free under the 365-Day Done Right Promise.
Greg Holloway leads our team, and the standard he sets is simple: the crew arrives in the window we gave, works clean, and leaves the property better than we found it. Background-checked, uniformed technicians are on every Lake Forest roof, so you know exactly who is up there. When you call our number at any hour, a live person answers. Not a queue. Not a voicemail box. That has been true since day one, and it is true for every call from Lake Forest.
Styles & brands we work with






New Roof Installation in Lake Forest
New roof installation in Lake Forest is the right call when a roof has reached the end of its useful life and repairs no longer pencil out. For many homes here, that means a full tear-off to the decking, a new synthetic underlayment, new flashing, and a complete shingle system. A typical new composition shingle roof on a two-story Lake Forest home runs $17,000 to $26,000, depending on pitch, story count, and how much decking needs replacement. Concrete tile new installs start higher, usually $28,000 to $40,000, because the material is heavier and the labor is slower. A written line-item quote before any work begins means you see exactly where every dollar goes.
What Gets Replaced, Layer by Layer
We walk the roof with you before quoting. We look at the decking, the drip edge, the underlayment, the flashing at chimneys and skylights, and the ventilation. On Lake Forest homes built in the 1980s, we frequently find original plywood decking that has softened near valleys and eave edges. Replacing that soft decking is part of the job, not a surprise change order. The new roof goes down on a sound foundation or it doesn’t go down at all.
Materials That Belong Here
We pull from seven manufacturers so you choose the product that fits your home, not whatever happens to be in the truck. GAF, CertainTeed, Owens Corning, and IKO all make architectural shingles that perform well in Lake Forest’s UV-heavy summers, provided they are installed with the correct fastener schedule. When a concrete tile home needs new underlayment and reinstalled tile, we use stainless steel fasteners and a synthetic underlayment rated for the marine air that drifts into Saddleback Valley.
Reroofing in Lake Forest
Reroofing in Lake Forest means tearing off the old material and installing a new roof system from the deck up. It is the standard approach we recommend for most California tract homes, not a layover. Laying new shingles over old ones hides the underlayment and decking underneath, and on Lake Forest roofs, that underlayment is frequently the real problem. A full reroof with architectural shingles on a typical Lake Forest home runs $18,000 to $24,000. Concrete tile re-roofing, including new underlayment and reinstallation of salvageable tile, runs $24,000 to $35,000 on most homes. These are line-item ranges, not guesses made over the phone – we confirm the price in writing before we begin.
Why Layover Is the Wrong Move Here
Some contractors will offer to nail new shingles over the old ones and call it done. On a Lake Forest home from the 1970s or 1980s, that is a mistake. The old underlayment is already degrading, valleys are likely compromised, and the decking under the second layer will never dry properly. A layover also hides the soft decking around chimneys and skylights. We pull the old roof to the deck and look at what has been hiding underneath, because that is the only way a roof keeps water out for the next two or three decades.
Underlayment, Fasteners, and the Salt Air Factor
Lake Forest sits in the Saddleback Valley, close enough to the coast that marine air pushes inland through the canyons. That air carries salt, and salt chews through standard electroplated fasteners and non-stainless flashing in ten to fifteen years. On a reroof, we specify hot-dip galvanized or stainless fasteners as a matter of course. The underlayment we install is a synthetic product, not the old 30-pound felt that came apart on so many original Lake Forest roofs. Ice-and-water shield goes in the valleys, where winter rain concentrates and where we consistently find erosion on older homes.
Trusted Brands We Service in Lake Forest
We are not tied to one manufacturer. That matters in Lake Forest, where a concrete tile roof and a composition shingle roof sit side by side on the same street. We work with GAF and CertainTeed architectural shingles for homeowners who want a long-lived asphalt system, and Owens Corning and IKO for those who prefer a different profile or color. Our relationships with these brands mean we can get materials quickly, and we stock common local SKUs so a Lake Forest job does not stall waiting on a truck. When we quote a brand, we quote the complete system: shingles, underlayment, hip and ridge, drip edge, and ventilation.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Replacement Problems We See in Lake Forest Homes
- Underlayment failure on concrete tile roofs that still look fine from the street. The tile itself can last fifty years or more, but the original 30-lb felt under it often shreds by year twenty-five. Homeowners see water stains on a ceiling far from any visible roof damage and assume the leak is minor. The real fix is a full tear-off to the decking, not a tile patch.
- Rusted fasteners and lifted tiles after Santa Ana winds. Salt-laden air inland from the coast corrodes standard deck screws and flashing over a decade or so. When the winds hit, tiles lift at the ridge and rake edges. We replace rusted hardware with stainless steel and install tile with fasteners that meet current wind-load code for Saddleback Valley exposure.
- Shingle blow-off on architectural roofs installed with too few nails. The combination of intense UV and marine layer accelerates sealant strip failure. If the installer used four nails per shingle instead of six, the first strong Santa Ana peels shingles off ridge caps and hips. We install to the manufacturer’s high-wind nailing pattern on every Lake Forest home.
- Valley leaks and rotting fascia on 1980s two-story homes. Original valley metal without sealant at the seams and without ice-and-water shield underneath erodes and leaks during winter rain. Water tracks behind the gutters and rots the fascia boards. We replace valley metal, add shield underneath, and rebuild any soft fascia we find.
Pricing for Roof Replacement in Lake Forest, CA
Here are real numbers for the Lake Forest market. A composition shingle reroof on a 2,200-square-foot two-story home typically runs $18,000 to $24,000. A concrete tile tear-off and re-roof of the same home runs $24,000 to $35,000, assuming the tile is salvageable and reinstalled. New construction roof installation starts around $17,000 for a comparable spec. What moves the number: roof pitch, number of stories, how much decking has softened, whether you need a coastal-spec fastener and underlayment package, and the shingle or tile line you choose. A steep two-story with complicated valleys costs more than a simple ranch. Call (559) 295-5445 for a free, written, line-item estimate – no pressure, no price change at the door.
We Also Serve Cities Near Lake Forest
Our crews work throughout south Orange County, so if you are in Laguna Woods, Mission Viejo, Laguna Hills, or Rancho Santa Margarita, the same Roof Replacement standards apply. Dispatch and scheduling are coordinated from our Los Angeles office, and crews serve Lake Forest locally. Call (559) 295-5445 to schedule a free estimate anywhere in the Saddleback Valley.
Serving Lake Forest, CA - Our Local Coverage Area
We’re based in the Lake Forest 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 Lake Forest
Because the tiles are not the waterproofing – the underlayment underneath them is. In Lake Forest’s older 1970s and 1980s planned communities off El Toro Road, we routinely find original 30-lb felt that has degraded to the consistency of tissue paper while the concrete tile above it looks perfectly intact. Water gets past the tile, hits the failed underlayment, and travels along the decking to drip through a light fixture in the kitchen or a closet ceiling far from the actual breach. Patching the tile does nothing. The real fix is a full tear-off to the decking, new synthetic underlayment, and reinstallation of the tile with stainless steel fasteners. Call (559) 295-5445 and we will inspect the underlayment, not just the tile.
Yes. Lake Forest sits closer to the coast, and marine air moves inland through the canyons around Saddleback Valley. That air carries salt, and salt corrodes standard electroplated deck screws and non-stainless flashing within ten to fifteen years. We specify hot-dip galvanized or stainless fasteners on every Lake Forest roof replacement. The cost difference is small relative to the total job – usually a few hundred dollars – and it means the hardware holding your roof on will not rust and loosen before the shingles wear out. For an exact quote on a coastal-spec roof, call (559) 295-5445.
A coastal-spec roof replacement in Lake Forest typically runs 5% to 10% more than an inland-spec job because of the upgraded fasteners, stainless or hot-dip galvanized flashing, and sometimes a heavier synthetic underlayment rated for marine exposure. On a $20,000 reroof, that is $1,000 to $2,000. The cheap spec saves money in year one and costs far more by year twelve, when rusted fasteners let tiles lift in a Santa Ana wind and water finds the failing flashing. We quote the coastal spec as the standard, not an upsell, because it is what this climate actually requires. Call (559) 295-5445 for a written quote that shows both options side by side.
Undernailing. The intense UV exposure in Lake Forest, combined with the marine layer, accelerates the breakdown of asphalt shingle sealant strips. By year ten or twelve, shingles are no longer fully bonded to the course below them. If the original installer used four nails per shingle, the first strong Santa Ana wind peels shingles off the ridge caps and hips. If the installer used six nails on the manufacturer’s high-wind pattern, the shingles hold even when the sealant lets go. We install every Lake Forest shingle roof with the high-wind pattern as the default. For an inspection of your current nail pattern, call (559) 295-5445.
Ask three questions. First: are you tearing off to the decking, and is new synthetic underlayment and ice-and-water shield in the valleys included? Second: what fasteners are you using – standard electroplated or stainless/hot-dip galvanized? Third: will you put the price in writing, line by line, before any work starts, and will you guarantee it won’t change at the door? If a roofer hesitates on any of those answers, the quote is not comparable. We answer all three on every Lake Forest estimate, in writing, before you sign anything. Call (559) 295-5445 and ask us directly.
Written by Greg Holloway, Owner at Tilehurst Roofing Orange County, serving Lake Forest since 2000.