Architectural shingles
Metal roofing
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, CA typically runs $350 – $1,800 for most leak and shingle fixes, with storm and ice-dam damage at the higher end. We run crews up Highway 18 into Crestline weekly, so response time is measured in days, not weeks. If you’ve got a water stain spreading across a ceiling or shingles missing after the last blow, call (877) 731-1384 and we’ll get a proper diagnosis started. Noel Ibarra built Hawk Roof Repair around one habit: we inspect first, document what we find, and only then talk repair scope and price.
Why Hawk Roof Repair Is Crestline’s Preferred Roof Repair Company
Crestline homeowners keep our number because we show up ready for mountain roofs, not flatland assumptions. The homes here sit at 4,600 feet, and that changes everything about how a roof fails. We’ve repaired enough cabins around Lake Gregory, Valley of Enchantment, and up toward the 92325 corridor to know what a freeze-thaw cycle does to flashing and sealant. Our Roof Repair crews carry materials suited for steep-pitch mountain roofs, including ice and water shield for eave work, which flatland roofers rarely stock.
Customers in Crestline consistently tell us they appreciate getting a written scope before any work starts. That’s standard practice for us, not an upsell. We work with seven major roofing material brands, including GAF, CertainTeed, and Tamko, so when a repair requires matching an existing architectural shingle or upgrading underlayment, you get the right material for the job, not whatever we happen to have on the truck. Our inspection is standalone. You can hire us to diagnose and document without any obligation to move forward on repairs. That matters in a mountain community where a second home or rental property may have been deferred for years.
Styles & brands we work with






Commercial Roof Repair in Crestline
Commercial Roof Repair in Crestline usually means flat or low-slope sections on small lodges, cabins converted to short-term rentals, or the retail buildings strung along Lake Drive near the lake. These roofs take a beating from snow load in winter and intense UV in summer, and the failure points are almost always at penetrations, seams, and drains. A typical commercial-style patch or seam repair around Crestline runs $600 – $2,400 depending on access and the condition of the existing membrane. If the roof is older and multiple seams are failing, we’ll say so directly and give you the repair number and a replacement number side by side so you can make an informed call.
Flat Roof Patch and Seam Work
Most commercial-type roofs in Crestline are either modified bitumen or older built-up roofs, and the seam failures usually start where the membrane pulls away from a vent or edge flashing. We cut back the failed material to find good adhesion, prime and patch, and apply new flashing where needed. On an older roof, we may recommend seam sealing across a wider area than just the visible split, since what you see is often the last place moisture exits, not where it enters.
Inspection Before Any Bid
For any commercial roof repair in Crestline, we document with photos before and after. That gives property owners and managers a paper trail, which matters when a rental calendar is booked months out and you need to plan around inspections. We also flag code items like outdated drains or absent overflow scuppers if we see them, so you aren’t surprised later.
Roof Leak Repair in Crestline
Roof Leak Repair in Crestline is rarely as simple as patching the spot where you see water. The leak shows up at the ceiling, but the entry point is often six to twelve feet away, uphill along a rafter or through a valley. A straightforward leak repair on an asphalt shingle roof in Crestline runs $450 – $1,400, but when an ice dam has pushed meltwater back under the shingles and rotted decking, the repair is more involved and can push toward $2,500 with decking replacement. We trace the water path from the interior stain back to the source, not the other way around.
Ice Dam Leaks and Eave Damage
After a heavy snow, ice dams form at the eaves of older cabins with thin attic insulation. Meltwater refreezes at the cold eave edge, backs up under the shingles, and works its way into the house. The stain on the ceiling often doesn’t appear until weeks after the storm, long after the snow is gone. We repair the damaged eave section, install ice and water shield if it’s missing, and document what we found so you can decide on insulation improvements later.
Flashing and Valley Leaks
Older mountain cabins often have original flashing that’s rusted through where two roof planes meet. Valley leaks are some of the most misdiagnosed roof problems we see in Crestline repair calls. We replace the flashing and the compromised shingle course, and we seal the valley so water shears cleanly into the gutter line instead of creeping under the shingle edge.
Trusted Brands We Service in Crestline
We’re not tied to one manufacturer, and that’s a real advantage when you need a repair that blends with an existing roof. At any given time we’re sourcing from GAF, CertainTeed, Tamko, and others in our seven-brand lineup, which means we can match a specific shingle color and profile instead of leaving you with a mismatched patch that looks like an afterthought. For Crestline customers, we keep common profiles and accessories stocked so the turnaround on repairs is faster than waiting on a special order from down the hill. Crestline homeowners get the same brand options we offer everywhere, just with a repair scope that actually matches how their roof was built.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Repair Problems We See in Crestline Homes
- Ice dams at the eaves of older cabins: When attic insulation is thin, heat escapes through the roof deck and melts the snow from underneath. The meltwater runs down to the cold eave, refreezes, and builds a dam that forces water back under the shingles. The leak often shows up weeks later, during the thaw.
- Failed sealants from high-altitude UV: The sun at 4,600 feet is more intense than in the valley, and it bakes pipe boot sealants, chimney flashing, and ridge cap sealants until they crack. We see this on nearly every Crestline roof older than eight to ten years.
- Deferred maintenance on second homes and rentals: A lot of Crestline homes are weekend cabins or short-term rentals. Small problems like a lifted shingle or a cracked vent boot go unnoticed for months, and by the time a guest or owner notices water, the decking underneath has started to rot.
- Original construction from the 1920s – 1960s: The framing and underlayment on many older Crestline cabins predates modern roofing standards. When we open a decking section for a “simple” repair, we sometimes find plank decking, no ice and water shield, or rusted flashing that was never designed to last this long.
Pricing for Roof Repair in Crestline, CA
Here’s what you should expect to pay for common repairs on a Crestline roof. A shingle replacement for a few blown tabs runs $350 – $650. Flashing repair around a chimney or valley covers $500 – $1,200 depending on access and whether the surrounding shingles need to be lifted. Vent boot replacement is $300 – $500. A flat roof patch starts at $600 and can reach $1,800 if seams are failing in multiple places. The bigger number is an ice-dam repair with decking replacement, which ranges from $1,800 – $2,800. What moves the price is access, how much decking has rotted, and whether the area needs ice and water shield. Every estimate from Hawk Roof Repair is written, line-item, and free. Call (877) 731-1384 to schedule one.
We Also Serve Cities Near Crestline
Our crews run the mountain routes and the valley floor, so we also take repair calls from Muscoy, San Bernardino, Highland, and Rialto. If you’re down the hill and need a roof looked at, the same inspection-first process applies, no matter the elevation.
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 the thaw takes weeks. Snow piles up on the roof, attic heat melts it from underneath, and the meltwater refreezes at the cold eave, forming an ice dam. Meltwater backs up under the shingles and soaks the decking and insulation slowly. The water travels along rafters until it finds a seam or a nail hole, and only then does it become a ceiling stain. That’s why the storm and the leak don’t line up on the calendar. If you notice a stain weeks after snow, get the eave and underlayment checked before the next winter. Call (877) 731-1384 and we’ll trace it to the source.
Decking rot, rusted flashing, and missing ice and water shield are the three most common surprises. We were called out to a 1950s cabin near Crestline’s Lake Gregory area where a ceiling stain appeared weeks after the last snow thaw. Opening the decking exposed failed underlayment, rusted flashing at a valley, and no ice and water shield at the eave. We replaced the compromised square, installed new ice and water shield and flashing, and matched the architectural shingles so the repair blended with the existing roof. That’s the reality of an older mountain cabin, and it’s why we write allowances into any repair contract before we start. When we find hidden damage, you approve the fix in writing and know the price before we touch it.
Yes, and the difference is measurable. Water expands when it freezes, and at 4,600 feet a roof can go through dozens of freeze-thaw cycles in a single winter. Every cycle works the shingles, sealants, and flashing a little more. The low desert deals with UV and heat, but not thermal expansion from ice. So a 20-year shingle in the valley often fails at 12 to 15 years up here, and sealants crack sooner. For a repair decision, that means we don’t just patch the visible problem; we check the surrounding materials for signs they’re near the end. That tells you whether a repair buys real time or whether you’re throwing money at a roof that’s ready for replacement. Call (877) 731-1384 for an honest read on what your roof can still give you.
Depends on the scope. Small repairs, like replacing shingles, vent boots, or a section of flashing, typically don’t require a permit in San Bernardino County. But once you open a large section of decking or replace structural framing, the county’s building requirements can kick in, and that’s where the cost moves. On older Crestline cabins with original 1920s – 1960s framing, sometimes a modest repair exposes decking that no longer meets code, and the fix must be brought up. We flag this before we open anything, and we write an allowance into the contract so you know the possible range. No surprises, nothing hidden, just a straight answer before the work starts.
Line them up by scope, not price alone. Ask each roofer whether they include ice and water shield at the eave, whether the flashing is being replaced or just resealed, and whether the decking quote assumes good wood or includes an allowance for rot. One bid might be $400 cheaper because it omits ice and water shield or assumes the decking under the felt is solid. In a Crestline home that has survived several mountain winters, that’s a risky assumption. You want a written, line-item price that lists exactly what gets replaced and what happens when hidden rot is found. That’s how we write every quote. Call (877) 731-1384 and we’ll walk you through the numbers on your specific roof.
If you’ve got a ceiling stain, missing shingles, or a repair you’ve been putting off, call (877) 731-1384. We’ll schedule an inspection, document what we find, and give you a written estimate before any work begins.
Written by Noel Ibarra, Owner at Hawk Roof Repair, serving Crestline and the San Bernardino Mountains.