Metal roofing
Architectural shingles
Tile 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 Repair Across Crestline
Roof repair in Crestline runs $350 – $1,800 for most jobs in 2025, with simple shingle replacement at the lower end and structural or ice-dam repairs at the upper end. We work on the cabins, A-frames, and second homes that climb the ridges off Highway 18 and around Lake Gregory. The elevation here, the snow load, the freeze-thaw at the eaves, and the older owner-built framing all make Crestline roofing different from anything in the flatlands below. Our Roof Repair team knows what to look for when we open up a roof in 92325, and we’ll tell you honestly whether a patch does the job or whether the framing itself needs work. Call (855) 382-1073 for a free estimate.
Why Barnwood Roofing Is Crestline’s Preferred Roof Repair Company
We’ve repaired roofs from the switchbacks above Lake Gregory to the older cabins off Daley Canyon Road. Crestline homeowners call us because when we open up a roof, we’re prepared for what mountain construction actually looks like – undersized rafters, missing ice and water shield, flashing that failed a decade ago and kept getting caulked instead of fixed. We don’t sell you a replacement because a repair would take more time than we quoted. We inspected first, always.
Ruben Calloway leads our crew, and he’s spent enough time on steep mountain pitches to know the difference between a leak that needs a patch and a leak that needs a rafter repair. We work with seven manufacturers, so when a Crestline home needs a specific material – a Class A fire-rated shingle, a certain profile for an A-frame, or a specific color for a Homeowner’s Association – we order what fits, not what we happen to stock in the warehouse. That’s the advantage of working with seven brands rather than one or two.
We serve Crestline weekly, not as an occasional trip up the mountain. Our response time for standard repairs is measured in days, and for emergency leaks we get up the hill as fast as CHP clears the 18. We know the roads, we know the weather, and we know the building stock.
Styles & brands we work with
Emergency Roof Repair in Crestline
Emergency Roof Repair in Crestline almost always means one of two things: a snow dump has pushed water through a failing valley, or a storm has ripped off a section of shingles on a steep pitch and the deck is now exposed. Both need immediate action, because at 4,500 feet, water that gets into the framing freezes at night, expands the damaged wood, and turns a small repair into a structural problem by spring. Call us the moment you see a water stain on the ceiling or daylight through the deck, and we’ll get a tarp on the roof and a real repair planned. Emergency roof repair in Crestline typically lands between $500 and $1,800 depending on what we find when we open it up.
Snow Damage and Ice Dams
When snow piles up and then melts during the day, the runoff refreezes at the cold eave edge. That’s an ice dam. Water pools behind it and pushes under the shingles, soaking the sheathing and fascia. We treat ice dams as a repair issue, not a seasonal nuisance – if the water’s already running, the damage is already happening. We clear the ice, repair the affected decking, and make sure the eaves have proper ice and water shield.
Wind and Rain Breaches
Crestline gets strong wind gusts off the ridge, especially in winter storms. When wind tears shingles loose on a 12/12 pitch, the exposed deck starts absorbing water immediately. We’ll tarp it the same day we get the call, then quote a permanent fix. On older cabins with original decking, this often means replacing a section of sheathing and upgrading the edge flashing, not just nailing shingles back down.
Flat Roof Repair in Crestline
Flat Roof Repair in Crestline usually applies to the low-slope additions and carports attached to older cabins, plus the occasional mid-century flat-roofed cabin near the lake. Flat roofs here fail differently than steep pitches. Snow doesn’t slide off, so the membrane works harder through every freeze-thaw cycle. Seams crack, ponding water finds the low spot, and eventually water makes its way to the interior. Flat roof repair in Crestline typically runs $450 – $1,200 depending on the membrane, the extent of the seam failure, and whether the deck underneath is still sound.
Seam Failures and Ponding Water
Most flat roof failures we see in Crestline are seam failures, not big tears. The membrane shrinks and separates at the laps, and water pores through slowly. We inspect the whole low-slope area, not just the visible crack, because water travels laterally before it shows up inside. We’re looking for the source, not the symptom.
Deck Rot Under the Membrane
By the time water stains appear under a flat roof, the OSB or plywood deck has often already started to soften and rot. We’ll inspect the deck by sounding it and checking for deflection. If it’s compromised, the repair involves removing the membrane, replacing the rotten deck section, and tying the new membrane into the old with proper lap and adhesion. That’s the difference between a patch that lasts and a patch that fails next winter.
Trusted Brands We Service in Crestline
We install and repair materials from seven manufacturers, and for Crestline that matters more than it does down the hill. CertainTeed architectural shingles handle freeze-thaw cycles well and give you a solid mid-range option. Owens Corning’s StormGuard or WeatherLock ice and water shield protects the eaves and valleys where Crestline roofs fail first. GAF offers Class A fire-rated shingles that satisfy the wildfire exposure requirements that apply to much of this mountain’s housing. We keep local stock in our trucks and at the yard so a Crestline repair doesn’t stall waiting on a special order.
Common Roof Repair Problems We See in Crestline Homes
- Ice dams at the eaves that linger unnoticed until spring. The dam forms in winter, water pools behind it, and by the time you see the ceiling stain, the fascia and soffit are rotten. This turns what could have been a simple flashing repair into full decking replacement. If you see icicles on the eaves, call (855) 382-1073 before the damage advances.
- Owner-built additions without proper ice and water shield or drip edge. Many Crestline cabins were expanded over the years by owners who didn’t pull permits or meet current code. A minor leak on one of these additions often exposes the need for membrane and edge detailing that was never installed. We inspect first and put any required upgrades in writing before we start.
- Steep pitches stressing valleys and flashing. Snow creep slowly pushes against the flashing and valleys on steep mountain roofs. Each year it moves a little more, and eventually the seal breaks. A standard valley patch might get you through one season, but on a steep roof with undersized rafters, the underlying framing keeps moving. We address the cause, not just the seal.
- Undersized rafters from the original owner-builder era. Crestline’s mid-century cabins were often built long before current snow-load standards. When we open up a roof on a 1960s cabin, the rafters are sometimes undersized for the snow Crestline actually receives. That’s a structural issue, not just a roofing issue. We’ll tell you what we found, what it means, and what it costs to fix properly.
See the difference
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AfterPricing for Roof Repair in Crestline, CA
Here’s what we actually quote in Crestline’s market. Simple shingle replacement on a 10×10 section: $350 – $600. Flashing and valley repair: $450 – $900. Flat roof seam or patch repair: $450 – $800. Ice dam water damage requiring decking replacement: $1,200 – $1,800 plus framing if the rafters are undersized. Vent boot and pipe collar replacement: $250 – $500. The two things that move a Crestline quote most are what we find under the shingles and whether the original framing meets current snow-load requirements. That’s why we inspect before we quote, and we write allowances into the contract for hidden work. Call (855) 382-1073 for a free estimate. You’ll get a written, line-item quote. No surprises.
We Also Serve Cities Near Crestline
We cover the mountain and the valley: Lake Arrowhead, Running Springs, Muscoy, San Bernardino, and Highland. If you own a home in Crestline or anywhere along the Highway 18 corridor, our Roof Repair in Crestline team already knows your roads and your building stock. One crew, one standard of work, from the ridge to the flatlands.
Serving Crestline, CA — Our Local Coverage Area
We’re based in the Crestline 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 Repair in Crestline
Because many Crestline cabins were built by owner-builders without proper snow-load detailing, undersized rafters, or ice and water shield. When we open up the roof, we sometimes find framing that can’t safely carry the snow load, or decking that’s rotted far beyond the visible damage. We handle this by writing allowances into the contract before we start, so the increase is discussed, priced, and approved in writing before we touch it. There’s no change-order fight after the fact. Call (855) 382-1073 for a quote that includes a realistic allowance for hidden work.
We check the existing rafters and decking against current snow-load requirements for the 92325 area whenever a repair exposes the structure. If framing is undersized, we bring in a structural fix and price it as part of the repair. For ice dams, we install ice and water shield at the eaves and in valleys, because that’s where Crestline roofs fail first. The goal is to stop the leak at the source, not to patch over a recurring problem.
We use Class A fire-rated shingles and assemblies from GAF, CertainTeed, and other manufacturers we work with. The 2003 Old Fire and the mountain’s wildfire history changed how Crestline roofs should be built. Many re-roofs and major repairs need Class A materials and ember-resistant detailing. We’ll match the repair to whatever the current code and the defensible-space requirements call for. Call (855) 382-1073 and we’ll tell you what your specific roof needs.
Yes. Many Crestline cabins have flat or low-slope sections, often on additions or carports. Flat roof repair in Crestline usually involves fixing seam failures, replacing ponded areas where water has broken the membrane, and replacing any rotted deck. We’ll inspect the full low-slope surface, find the actual source of the leak, and give you a line-item price before we begin.
Don’t compare by the square without knowing what’s included. A low Crestline quote often means no ice and water shield, no decking replacement allowance, and no fire-rated material. Our quotes include everything the roof actually needs at 4,500 feet, and we write allowances in for hidden work. The honest comparison is line by line, not price per square. Call (855) 382-1073 and we’ll walk you through the quote so you know exactly what you’re paying for.
Call Barnwood Roofing for Your Crestline Roof Repair
If you’ve got a leak, a failed valley, an ice dam, or a flat roof that’s giving up, call (855) 382-1073. We’ll inspect it, tell you what’s wrong, and give you a written quote. If a repair is enough, we’ll tell you that. If the framing is undersized or the decking is shot, we’ll show you what we found and price the fix before we start. Barnwood Roofing serves Crestline, the San Bernardino Mountains, and the valley below with honest inspection, repair, and replacement work. Ruben Calloway and the crew are ready when you are.
Written by Ruben Calloway, Owner at Barnwood Roofing, serving Crestline and the San Bernardino Mountains with roof inspection, repair, and replacement.