Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
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AfterFast, Reliable Roof Repair Across Big Bear Lake
Roof repair in Big Bear Lake usually runs between $450 and $2,800 depending on what’s failing, and most jobs get quoted the same day we inspect. At nearly 6,800 feet with over 100 inches of annual snowfall, a small leak here turns into a structural problem faster than almost anywhere in Southern California. Our Roof Repair team knows what a Big Bear Lake roof actually goes through: freeze-thaw cycles that crack asphalt, ice dams that back water under flashing, and WUI fire codes that restrict how we patch it. If you’re seeing water stains on a ceiling or missing shingles after a storm, call (743) 200-8347. We’ll give you a written price before any work starts.
Why Mercer Roofing Is Big Bear Lake’s Preferred Roof Repair Company
Homeowners in Big Bear Lake call us because we do two things most roofers won’t: we tell you exactly who’s coming to your door, and we put every price and guarantee in writing before the first nail goes in. Every Mercer technician is background-checked, identity-verified, and arrives in a clean, marked uniform with a photo ID badge. We send their name and photo to you before they arrive. That’s the Threshold Verified standard, and every independently owned Mercer location is contractually held to it.
Grant Whitlock leads our team, and he’s built our Big Bear Lake reputation on one simple habit: we show up when we say we will, and we don’t surprise you on the invoice. Our 365-Day Done Right Promise means if the repair isn’t right within a year, we come back and make it right at no charge. That’s not a sales line. It’s written into every repair we do. Call (743) 200-8347 and you’ll reach a live person, 24/7, not a voicemail.
Flat Roof Repair in Big Bear Lake
Flat Roof Repair in Big Bear Lake is a job we handle frequently on the 1950s through 1980s additions and porch roofs attached to older A-frame cabins. The freeze-thaw cycle at this altitude is brutal on flat roof membranes: water pools, freezes, expands, and works its way into seams that looked fine in September. A typical flat roof patch in Big Bear Lake runs $550 – $1,400, depending on whether we’re sealing seams, replacing a section of membrane, or redoing the flashing where the flat roof meets a pitched wall.
Membrane Patches and Seam Repairs
Most flat roof leaks here start at a seam or around a penetration like a vent pipe or chimney. We clean the area, apply a compatible patch material that can handle high-altitude UV, and seal the surrounding seams. We also check the roof’s pitch, or lack of it, because standing water is what kills flat roofs in Big Bear Lake.
Flashing and Drainage Fixes
When water ponds against a wall or around a scupper that’s clogged with pine needles, the fix has to address drainage first. We’ll clear and sometimes rework the drain path, then replace the flashing and membrane so water moves off the roof instead of sitting on it. A flat roof patch that ignores drainage fails again after one good snowmelt.
Shingle Roof Repair in Big Bear Lake
Shingle Roof Repair in Big Bear Lake usually means replacing cracked, curled, or missing asphalt shingles on steep-pitched mountain chalets and A-frames that take direct hits from wind and falling branches. The high-altitude UV up here oxidizes asphalt shingles years faster than the same product would wear in the Inland Empire below, so we see shingle granule loss and curling on roofs that are only 10 or 12 years old. Expect to pay $450 – $1,200 for a localized shingle repair, and more if the decking underneath has rotted.
Ice and Water Shield Installation
When we replace shingles near an eave, valley, or any north-facing slope in Big Bear Lake, we install ice and water shield beneath them if it’s missing. That’s a rubberized underlayment that seals around nail holes and stops ice-dam water from reaching the decking. Reusing old flashing and skipping this step is how a repair fails after one freeze-thaw season.
Decking and Framing Checks
Before we nail a single shingle, we inspect what’s underneath. On 1950s to 1980s cabins, that often means rotted skip-sheathing or undersized pre-code rafters that were never built for the snow loads current codes require. If we find that, we stop, show you photos, and get written approval on the supplement before we touch the framing.
Trusted Brands We Service in Big Bear Lake
We install and repair shingle systems from GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral, and we match the existing roof when a repair calls for it. We stock common GAF and CertainTeed colors locally for Big Bear Lake customers so a small repair doesn’t wait on a special order. If you have an Owens Corning roof or an IKO system, we can source matching material quickly and keep the repair seamless. If the original shingle is discontinued, we’ll bring physical samples to your door and match by eye, which matters on older mountain cabins where an off-color patch stands out from the street.
Common Roof Repair Problems We See in Big Bear Lake Homes
- Ice dams along north-facing eaves: Snow melts, runs to the cold eave, refreezes, and backs water under the shingles. The real damage is often in the decking and framing beneath, which stays wet for weeks.
- Wood shake and cedar roofs that can’t be patched with like material: Big Bear Lake sits inside a Wildland-Urban Interface fire-hazard zone. Local code requires repairs to move the roof toward a Class A fire-rated assembly, which means we can’t nail a cedar patch over a burned or rotted shake section even if that’s the cheapest fix.
- Sun-bleached and cracked asphalt shingles: The altitude and UV up here oxidizes shingles fast. We see 12-year-old shingles that look 25 years old, with granule loss and curling at the edges.
- Deferred maintenance on short-term rental cabins: A huge share of Big Bear Lake homes are operated as vacation rentals managed remotely. Roofs go multiple seasons without inspection, so small leaks become structural rot before anyone notices.
Pricing for Roof Repair in Big Bear Lake, CA
A minor shingle replacement or vent boot repair in Big Bear Lake typically runs $450 – $700. A flat roof membrane patch ranges $550 – $1,400 depending on size and drainage. Flashing repairs around chimneys, skylights, or valleys land between $500 and $1,500. Rebuilding a section of rotted decking and framing adds $800 – $2,800 or more depending on how far the rot spread. The biggest cost driver on older cabins is what’s under the roofing. We give you a written line-item price before any work starts, and any supplement we find during the job is priced and approved in writing before we touch it. Call (743) 200-8347 to schedule a free estimate.
We Also Serve Cities Near Big Bear Lake
Mercer Roofing handles repairs in Big Bear Lake and the surrounding mountain communities. We work in Big Bear City, Running Springs, Lucerne Valley, and Mentone, and our crews know how the WUI fire codes and snow-load requirements differ in each. If you’re in any of those areas, the same Threshold Verified standard applies: badged tech, written price, written guarantee.
Serving Big Bear Lake, CA - Our Local Coverage Area
We’re based in the Big Bear Lake 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 Big Bear Lake
Because Big Bear Lake sits inside a Wildland-Urban Interface fire-hazard zone, local code requires roof repairs to move toward a Class A fire-rated assembly. We can’t nail cedar shake over a damaged section even if it matches the old roof. The repair has to upgrade that area to a Class A system, and we’ll show you what that means and price it before we start. Call (743) 200-8347 for a specific quote on your roof.
Most of the time we find rotted skip-sheathing or undersized rafters that were never built for the snow loads current code requires, especially on north-facing slopes. Sometimes we find three or four layers of old shake that remote owners didn’t know were there. We document everything with photos, then give you a written supplement that tells you exactly what we found and what it costs to fix. Nothing gets touched until you approve it in writing.
We fix the leak, but we also inspect the decking, framing, and ventilation that let the ice dam happen. On north-facing eaves in Big Bear Lake, we install ice and water shield before replacing shingles, and we verify that attic ventilation is moving cold air properly so snow doesn’t melt and refreeze at the eave. A repair that skips the shield fails after one freeze-thaw season. Call (743) 200-8347 and we’ll explain what your specific roof needs.
Our written price includes everything we can see before work starts, and any supplement we find after opening the roof is priced and approved in writing before we touch it. You’ll get photos and line-item pricing you can approve remotely. We also send the technician’s name and photo before they arrive, which matters when you’re managing a cabin from out of town and a property manager is at the door. Call (743) 200-8347 to schedule an inspection.
Most repairs are quoted by the specific scope, not by the square, unless the damage covers a large enough area that replacing full shingle courses makes sense. We’ll tell you what you’re actually paying for: the shingles, the underlayment, the flashing, the labor, and any decking work. If the repair grows to the point that a full reroof makes more sense, we’ll show you both options in writing and let you decide.
When you’re dealing with a leak at 6,800 feet, you want a roofer who knows what a Big Bear Lake roof actually endures. Mercer Roofing sends a badged, background-checked technician whose name and photo you’ll know before they knock. You get a written price before work starts, a written guarantee on every repair, and the 365-Day Done Right Promise on top of it. Call (743) 200-8347 for your free estimate.
Written by Grant Whitlock, Owner at Mercer Roofing, serving Big Bear Lake and the surrounding mountain communities.