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 – $1,400 for most shingle and flashing work, with flat roof patches landing between $450 and $1,100. That’s the honest range we quote over the phone before we ever set foot on your property. We’re Van Nuys Roofing Co, and we’ve spent enough time on Crestline’s mountain roads to know that a roof up here isn’t the same animal as one down in the valley. Snow load, pine needles, steep pitches, and narrow access roads all change how a repair gets done. Call (866) 321-6172 and we’ll give you a straight answer about what your roof needs and what it’ll cost.
Rick Dominguez runs our crew, and he’s built the company around one idea: inspect first, recommend second. If your roof needs a $400 patch, we’ll tell you that. If it needs a full replacement, we’ll show you why with photos and numbers, not pressure.
Why Van Nuys Roofing Co Is Crestline’s Preferred Roof Repair Company
Crestline homeowners call us because we don’t treat a mountain cabin like a tract house in San Bernardino. We know the difference between a leak caused by ice damming at the drip edge and one caused by a failed vent boot. That distinction matters up here, because fixing the wrong thing on a Crestline roof means the leak comes back with the next snowmelt.
Our Roof Repair team works with seven major roofing material manufacturers, including GAF, CertainTeed, and Tamko. That’s uncommon. Most roofers push one brand because that’s what their supplier discount favors. We stock parts and materials compatible across multiple brands, which means faster turnaround when your cabin needs a repair and you can’t wait three weeks for a special-order shingle.
We also serve Crestline homeowners with standalone inspections. You don’t have to buy a repair to get an honest assessment. A lot of our Crestline work starts that way, especially on second homes where the owner hasn’t seen the roof since last summer.
Styles & brands we work with
Flat Roof Repair in Crestline
Flat roof repair in Crestline addresses a specific set of problems that flat roofs on the mountain face: ponding water from snowmelt, membrane splits from freeze-thaw cycling, and punctures from pine branches that drop during winter storms. Most flat roof repairs in Crestline run $450 – $1,100 depending on the membrane type and the size of the affected area. Older cabins and additions built in the 1960s through 1980s often have modified bitumen or torch-down roofs that have exceeded their service life, and we see a lot of cracked seams and blistered patches on those.
Membrane Patching and Seam Repair
When a flat roof membrane splits at a seam, water gets in and travels horizontally before it shows up as a stain on your ceiling. We trace the actual entry point, not just the visible stain. The fix involves cleaning the area, priming, and applying a compatible patch that bonds with the existing membrane. If the membrane is too brittle to accept a patch, we’ll tell you honestly that patching is a stopgap, not a fix.
Drainage and Ponding Correction
Flat roofs in Crestline need positive drainage or snowmelt pools and refreezes at the low spots. We’ll add tapered insulation or a small cricket to direct water toward existing drains or scuppers. This is the kind of repair that prevents the bigger problem a year or two down the road.
Shingle Roof Repair in Crestline
Shingle roof repair in Crestline typically runs $350 – $900 for a standard repair area, and it’s the most common call we get from homeowners in the 92325 zip code. The damage pattern up here is consistent: wind-lifted tabs near the ridge, granule loss from UV exposure at altitude, and shingles that have cracked from thermal cycling. We match the existing shingle as closely as possible, and because we work with GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral, we can usually match the original product line instead of settling for whatever the local supply house has on the shelf.
Replacing Damaged Shingles and Underlayment
We remove the damaged shingles, inspect the underlayment beneath, and replace any section that’s degraded. On older Crestline roofs, the underlayment is often the real problem. Shingles look fine on the surface, but the felt or synthetic layer underneath has worn thin. We replace it with material rated for the snow and ice conditions your roof actually faces.
Ice and Water Shield Installation
Crestline’s freeze-thaw cycles demand ice and water shield installed further up the roof slope than standard practice in the valley. We extend the membrane past the eave and up the rake edges where ice dams form. This is the difference between a repair that lasts five years and one that lasts fifteen.
Trusted Brands We Service in Crestline
We repair and replace roofs built with GAF, CertainTeed, and Tamko materials, and we’re fluent in the installation specs and warranty requirements for all seven major brands we work with. That matters in Crestline, where homeowners are increasingly required by their wildfire insurance carriers to install fire-rated shingles. We know which product lines meet Chapter 7A requirements and which don’t. We keep common repair materials for these brands in our trucks, so when we arrive at your cabin, we’re ready to work the same day.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Repair Problems We See in Crestline Homes
- Ice dams at the drip edge. Crestline’s steep-pitch A-frame and chalet roofs often have narrow eave overhangs, which means ice and water shield often wasn’t extended far enough up the slope. Water backs up under the shingles, rots the fascia, and leaks into the wall.
- Pine needle loading in valleys and behind chimneys. Needles trap moisture and create a dam that holds snowmelt against the roof surface. We see hidden valley leaks every spring that only appeared after the snow melted.
- Layers of old reroofs hiding rotted decking. Many Crestline cabins have two or three layers of shingles. A repair quote changes fast once we tear off the lower courses and find soft decking underneath.
- Failed vent boots and pipe flashings. The rubber gaskets around plumbing vents crack at altitude from UV exposure and temperature swings. This is a quick fix, but it’s the most common source of “mystery leaks” in older mountain homes.
Pricing for Roof Repair in Crestline, CA
Here’s what you can expect to pay in Crestline for common repairs. Shingle replacement runs $350 – $900 per repair area. Flashing repair around chimneys or skylights runs $300 – $750. Flat roof patches run $450 – $1,100. Vent boot replacement runs $180 – $350. Valley repair, including cleaning out pine needles and replacing damaged shingles, runs $400 – $1,200. The biggest variable on older Crestline homes is what we find underneath: rotted decking, damaged framing, or ice and water shield that was never installed correctly. We write allowances into every contract so you know exactly what a hidden condition will cost if we find one. Call (866) 321-6172 for a free estimate with line-item pricing.
We Also Serve Cities Near Crestline
We run repair calls up and down the mountain. If you’re in Lake Arrowhead, Muscoy, San Bernardino, or Highland, we cover those areas too. Mountain work requires a crew that knows the access roads and the seasonal conditions, and we’ve built our schedule to handle the full range of communities in the San Bernardino Mountains.
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
Snowmelt leaks are almost always ice damming at the eave or water backing up behind a pine-needle clog in a valley. When snow melts, the water runs down and refreezes at the cold eave edge, then backs up under your shingles. The fix is extending ice and water shield further up the slope and clearing valleys before winter. That’s a repair we do regularly in Crestline. Call (866) 321-6172 for an exact diagnosis.
We can, but we’ll be honest about what it means. Multiple layers on a Crestline cabin often hide deteriorated decking and undersized framing. We may be able to patch the top layer for $350 – $900, but if the decking below is soft, a full tear-off and re-deck is the fix that actually stops the leak. We’ll show you photos of what we find under the first layer before we do anything else.
Pine needles. They accumulate in the valley line, trap moisture, and hold snowmelt against the shingles for weeks longer than a clean roof would. During freeze-thaw cycles, that trapped water works its way under the valley flashing. Cleaning the valley and replacing the valley flashing runs $400 – $1,200 in Crestline, depending on length and whether the decking underneath is intact.
Most minor repairs like shingle replacement and flashing work don’t require a permit, but anything structural, including re-decking or framing repairs, does. We pull permits when they’re required and we handle the inspection process. The San Bernardino County building department has specific requirements for mountain communities, and we know the process.
We stage materials in smaller loads and use trucks that can handle Crestline’s narrow switchbacks and tight driveways. For steep lots where a full truck can’t reach the house, we coordinate a material drop at the nearest accessible point and hand-carry the rest. It’s slower, but it’s the reality of working in a mountain community, and we build that access planning into every Crestline job from the start.
Written by Rick Dominguez, Owner at Van Nuys Roofing Co, serving Crestline and the San Bernardino Mountains since our first repair call up the mountain.
If your roof is leaking, or you just want an honest opinion on what it’ll take to get it right, call (866) 321-6172. We’ll schedule a free estimate, inspect the roof, and give you a written quote with real numbers.