Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Before
After
Before
After
Before
AfterFast, Reliable Roof Replacement Across Lake Forest
A full roof replacement in Lake Forest runs $14,500-$31,000 for a typical concrete S-tile re-roof on a 2,000-sf tract home, and $18,000-$38,000 when the Foothill Ranch underlayment problem forces decking repair. Our crews work Lake Forest neighborhoods every week, from the Foothill Ranch tracts off Bake Parkway to the acreage lots on the east side near Whiting Ranch. We know the terraced hillsides here and the wind patterns they create. That’s the difference between a quote written on a city-lot template and one that accounts for how Lake Forest actually weathers a roof. Call (945) 303-9821 and we’ll walk the roof with you, usually within a day or two.
Key Takeaways:
- Most Lake Forest roof replacements start between $14,500 and $31,000 depending on underlayment condition and decking repair
- Foothill Ranch homes from 1988-1996 almost always need full underlayment replacement, even when the tile looks fine
- Eastern Lake Forest properties near Whiting Ranch fall under CAL FIRE Very High Fire Hazard Severity Zone rules for Class A roofing
- Every quote includes a written price before any work starts, with a 365-Day Done Right Promise behind it
Why Tilehurst Roofing Is Lake Forest’s Preferred Roof Replacement Company
Tilehurst Roofing operates as part of the Kingswell family of companies, founded in 2000, with each location independently owned and operated under the Kingswell Guarantee. Lake Forest homeowners call us after a previous roofer no-showed, changed the price at the door, or left a repair that failed before the next Santa Ana hit. Greg Holloway runs our operation, and he’s the one who answers when you have questions about a bid that came in two pages short of what the actual job will require.
Our Lake Forest customers deal with a specific problem: the original felt underlayment beneath their concrete tile has outlived its service life, but nobody can see it from the street. We scope every Foothill Ranch estimate with infrared moisture scanning before we count squares. That’s how we catch the hidden decking rot that turns a $12,000 cosmetic re-roof into a $24,000 structural one. When you call, a live person picks up. Not a voicemail, not a callback queue. That’s true at 2pm on a Tuesday and at 1am during a Santa Ana wind event.
Our technicians are background-checked and arrive in uniform, in the window we gave you. Every estimate is written, line-itemed, and in your hands before you sign anything. And the guarantee is written too, handed over before the crew leaves the property.
New Roof Installation in Lake Forest
New roof installation across Lake Forest covers everything from re-sheathing an old El Toro-area tract home to roofing a detached ADU or shop on acreage east of the 241. The job starts with a structural look at what’s underneath: in Lake Forest, that means checking for carbonized felt, softened decking, and fascia rot before we ever set a tile. A full new roof on a standard 2,000-sf Lake Forest home typically runs $16,000-$29,000 for architectural asphalt shingles, or $19,000-$36,000 for concrete tile with code-compliant underlayment. The tile number climbs when the lot is on a steep pitched hillside where the crew needs additional staging and fall protection.
What We Check Before We Quote
On new installation, we verify the existing roof assembly down to the deck. In the Foothill Ranch tracts, that means pulling a few tiles and checking whether the underlayment crumbles in your hand. We also confirm whether the home sits in the CAL FIRE Very High Fire Hazard Severity Zone, which legally requires a Class A fire-rated assembly at permit pull.
Detached Structures and ADUs
Many Lake Forest acreage properties have a detached shop, barn, or ADU that needs roofing at the same time or separately. You’re not obligated to roof them together, but we’ll price them together so you see the real number. Detached structures on long graded lots often need their own access plan for materials, because the delivery truck can’t always reach the far side of the property.
Reroofing in Lake Forest
Reroofing in Lake Forest is the single most common job we quote, because the city’s dominant 1970s-1990s tract inventory has original underlayment that’s now 25-35 years old and failing from the underside up. A typical reroof here runs $14,500-$28,000, with the higher end reflecting decking replacement and new drip edge throughout. The tile above often looks fine. The felt below is the problem. On Foothill Ranch homes built between 1988 and 1996, we regularly find the original #30 felt carbonized to the point where a single lifted tile lets water wick across the entire deck and into multiple ceiling cavities at once.
Reroofing the Existing Tile Field
When the tile itself is still structurally sound, we can reroof by lifting the field, replacing the underlayment, and relaying the existing tile on a fresh starter strip. This keeps costs down compared to full replacement and preserves the original aesthetic of the home.
When the Decking Has to Come Out
If infrared scanning shows moisture saturation in the plywood deck, the decking gets replaced section by section before the new underlayment goes down. We’ll show you the bad sections we pull out, so you’re not taking our word for it. You’ll see it.
Trusted Brands We Service in Lake Forest
We install and service roofing systems from GAF, CertainTeed, and Owens Corning, and we keep the local supply chain close so Lake Forest customers aren’t waiting on a manufacturer’s regional warehouse to stop back-ordering a matching tile. Our crews regularly source stamped concrete S-tile that matches existing Foothill Ranch and El Toro tract roofs, which matters when you’re reroofing half a field and want the new tile to blend with what’s already there. Greg Holloway will walk you through the material options before you commit to anything. You get actual choices: GAF Timberline architectural shingles, CertainTeed Presidential or Grand Manor, Owens Corning Duration or Oakridge, or concrete tile matched to the original manufacturer. Not whatever happens to be in the truck.
Common Roof Replacement Problems We See in Lake Forest Homes
- Carbonized felt under intact concrete tile. The original #30 felt from the 1980s and 1990s has turned brittle. Water moves through it horizontally, which is why a single lifted tile can soak six ceiling cavities at once across a Foothill Ranch tract home.
- Santa Ana wind shear shifting concrete S-tile. The Saddleback Valley funnels wind through Lake Forest harder than flatter cities like Irvine. We see shear-displaced tiles and blown-out ridge-cap mortar after every major wind event, especially on homes exposed to the north and east.
- Decking rot hidden under visually fine tile. Moisture trapped beneath intact-but-failed underlayment saturates the plywood deck, and by the time you see the ceiling stain, the deck section needs replacement, not a patch.
- Drainage sheet-flow against fascia and soffit on acreage lots. On open graded lots, rain runs straight against the roofline of outbuildings and detached ADUs. Replacing the roof without regrading the swale just moves the water problem to the next storm.
Pricing for Roof Replacement in Lake Forest, CA
A full concrete tile reroof on a standard Lake Forest tract home runs $14,500-$28,000. A new architectural shingle roof on the same home runs $16,000-$22,000. Homes in the hills with steep pitches add $3,000-$6,000 for staging and safety. Decking replacement, when the underlayment failure has been left too long, adds $3.50-$5.00 per square foot to the affected areas. Detached structures and ADUs get priced separately, and long-acreage material hauls add an access line item where the equipment can’t reach without a staging plan. You get a written line-item price before any work starts. Call (945) 303-9821 for a free estimate and we’ll put the real number in your hands.
We Also Serve Cities Near Lake Forest
Our crews cover Lake Forest and the surrounding South County communities. We regularly work in Laguna Woods, Mission Viejo, Laguna Hills, and Aliso Viejo, and many of our Lake Forest customers first found us through neighbors in those cities who had the same underlayment failure and needed the same honest walkthrough. Dispatch and scheduling are coordinated from the brand’s Los Angeles office; crews serve Lake Forest locally.
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
Most Lake Forest roof replacements go through City of Lake Forest permitting, but acreage properties with unincorporated county portions or specific outbuilding scopes can trigger county review instead. We check the parcel status before we quote, because the permitting path changes inspection sequencing and sometimes the underlayment type required for fire hazard zone compliance. Call (945) 303-9821 and we’ll pull the parcel record for you.
We price the main house and each detached structure as separate line items, then group them on one quote so you see the real total. Detached ADUs and shops on long graded lots often need their own access plan for material staging, and that access cost gets added where the delivery can’t reach the structure without a lift or manual haul. You get the full number in writing before any work starts.
Because the tile isn’t the part that’s failing. In Foothill Ranch tracts built between 1988 and 1996, the original #30 felt underlayment has carbonized beneath visually intact tile. Infrared moisture scanning shows us where water has already wicked across the deck before we ever pull a tile. It’s the difference between quoting you for a cosmetic re-tile and quoting you for the structural re-roof the home actually needs. Call (945) 303-9821 to schedule the scan.
Yes. Lake Forest sits on the terraced floor of the Saddleback Valley, where Santa Ana wind events funnel and accelerate harder than flatter cities like Irvine. We specify synthetic underlayment with a higher wind-uplift rating than the old felt, and we fasten concrete tile with more mechanical fixings per square in exposed areas. On hillside lots, we run ice and water shield through the valleys and around penetrations as a second line of defense against wind-driven rain.
Line by line. Our quote is written, itemized, and includes the underlayment type, fastening schedule, decking replacement scope, and any access line items for detached structures. If another bid doesn’t list those, it’s not the same job. The Kingswell Way is this: say the price before the work, show up in the window we gave, leave the place cleaner than we found it, put the guarantee in writing, and come back if it fails. Call (945) 303-9821 and we’ll walk through the quote with you line by line.
Written by Greg Holloway, Owner at Tilehurst Roofing, serving Lake Forest and the surrounding Saddleback Valley communities.