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GAF Construction in Crestline, CA | Gold Star Contractors
We provide independent GAF roofing service across Crestline, CA, handling Timberline shingle replacements, ice-dam repairs, and full re-roofs on mountain cabins, A-frames, and chalets throughout the 92325 ZIP. What makes our GAF work different here is simple: we spec GAF components around Crestline’s snow-load, freeze-thaw, and wildfire realities, not around what a dealer program pushes. If your GAF roof is failing at the eaves or showing granule loss on south-facing slopes, call Gold Star Contractors at (833) 382-8544 for a free estimate. We’re the local team that knows how GAF systems actually behave at 4,600 feet.

Why Crestline Residents Choose Us for GAF Service
We’ve torn off and rebuilt enough GAF roofs in Crestline to know how Timberline HDZ and UHDZ shingles, StormGuard underlayment, and Cobra venting behave through real mountain winters. Because we’re independent, we specify GAF components by what Crestline’s conditions demand, not by what a manufacturer program pays us to push. That means full ice-and-water shield at eaves and valleys on nearly every re-roof, even where code doesn’t require it, because we’ve seen what snowpack and refreeze do to marginal felt underlayment on 1960s and 70s chalets.
Noel Carranza, our owner, grew up watching older tract homes get renovated block by block in Anaheim and spent years on concrete, framing, and finish carpentry before building Gold Star Contractors. That hands-on background means our team measures twice and specs once. We stay with genuine GAF sales & service components on warranted field and ridge work because mismatched aftermarket parts are where leak callbacks start. For Crestline homeowners and absentee rental owners, that reliability matters when you only see the finished roof once a season.
Styles & brands we work with







Common GAF Construction Problems We Solve in Crestline
Here’s what we see most often on GAF roofs in Crestline, and why it happens here specifically:
- Ice-dam water backup at eaves and valleys. The original roof on many 1960s – 80s Crestline chalets relied on felt instead of a full ice-and-water shield. When snow melts and refreezes at the roof edge, water backs up under the shingles and finds its way inside. We strip to deck and run StormGuard film-surfaced leak barrier past code minimum at every eave, valley, and chimney penetration.
- Wind-lifted or creased Timberline field shingles. Mountain gust events coming off the San Bernardino National Forest can fold shingles that were installed with the standard four-nail pattern. The fix is a proper six-nail high-wind installation on the affected slopes, and we check nailing patterns on every inspection because so many Crestline roofs were originally done by flatland crews.
- Granule loss on south-facing slopes. High-altitude summer sun is brutal on Timberline shingles, especially on the south exposures that get full sun from morning to late afternoon. The asphalt mat gets exposed years before the shingle’s rated life ends. When we see widespread granule loss like this, a re-roof is usually the cheaper path over five years than chasing patches.
- Ridge and vent infiltration after snowpack. Snow sits on Crestline roofs for weeks, then melts and refreezes. Where Cobra venting was retrofitted without correcting soffit intake ventilation, moisture gets driven into the ridge line. We fix the intake balance first, then address the ridge, so the system breathes the way GAF designed it to.
- Non-permitted additions with compromised roof framing. A lot of older Crestline cabins have deck rebuilds or room additions that were never permitted. When we open up a roof, we routinely find undersized rafters or improper decking on those sections. We flag it, bring it to code, and make sure the GAF roof system ties in cleanly.
GAF Service in Crestline: What Local Conditions Mean for Your Equipment
Crestline sits at roughly 4,600 feet in the San Bernardino Mountains, which means construction here is fundamentally mountain construction: steep, often oddly-shaped lots, narrow winding roads that challenge material delivery, and a real snow season that drives ice-dam detailing flatland contractors—and even some San Bernardino GAF service crews from lower elevations—never deal with. For GAF roofs specifically, the snow season means the roof edge, not the field, is where most systems fail. So on nearly every re-roof we’re running ice-and-water shield well past code minimum at eaves, valleys, and around the chimney, plus ember-resistant venting for the San Bernardino National Forest fire threat. That’s the difference between a roof that survives Crestline winters and one that leaks by February.
And because so many Crestline homes are vacation rentals and second homes owned by people who live in Corona, Orange County, or further out, the work often gets approved by phone and inspected only when the owner comes up for the season. We’ve built our entire GAF service around that reality: detailed photo documentation, written repair vs. replace recommendations, and roofing decisions based on what the mountain actually does to a roof, not what looks good in a brochure.
Up off the winding roads near Lake Gregory—unlike GAF in Lake Arrowhead, where lots and access differ—we re-roofed a 1970s A-frame vacation rental where the owner approved everything by phone from out of town. The south slope had heavy granule loss on aging Timberline shingles and the eaves were backing up ice dams every winter, so we stripped to deck, ran full StormGuard ice-and-water shield at the eaves and valleys, and set new Timberline HDZ with Cobra ridge venting and ember-resistant intake. The owner only saw it when they came up for the season, and it passed their rental inspection on the first look.
GAF Models & Products We Service in Crestline
Our team works on the full GAF residential roofing lineup, including Timberline HDZ and UHDZ architectural shingles, Timberline AS II, StormGuard leak barrier, and Cobra Ridge Vent and Cobra Snow Country Ridge Vent. We stay with genuine GAF shingles, StormGuard, and Cobra venting on any warranted field or ridge work, because aftermarket components are where leak callbacks start. We keep commonly needed GAF materials staged for quick turnaround on Crestline repairs, and for full re-roofs we order directly and coordinate delivery around the narrow roads and tight driveways that define mountain lots here.
See the difference
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AfterGAF Service Pricing in Crestline
Here’s what GAF roofing work typically runs in the Crestline market, based on our recent projects in the 92325 area:
| Service | Price Range |
|---|---|
| Roof Replacement | $8,000 – $20,000 |
| Roof Repair | $400 – $1,800 |
| Metal Roof Installation | $15,000 – $40,000 |
| Tile Roof Repair | $600 – $2,500 |
What drives Crestline GAF pricing? Slope and access are the big ones. A steep A-frame with narrow road access takes longer to stage and strip than a gentle-pitch ranch. The condition of what’s under the shingles matters too: if the decking is rotted from years of ice-dam backup, we’ll need to replace sections before laying new underlayment and Timberline shingles. Every free estimate includes a written line-item breakdown so you see exactly where the money goes. Call (833) 382-8544 and we’ll come up and put eyes on your roof.
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 – GAF Construction in Crestline
Yes. We respond to winter storm damage across Crestline, including wind-lifted Timberline shingles, ice-dam leaks, and ridge vent blowouts after heavy snow and gust events. The safety caveat: walking a snow-covered 6/12 pitch at 4,600 feet is dangerous work, and we’ll only send a trained crew with proper fall protection. If water is coming in, call (833) 382-8544 and we’ll prioritize getting the roof dried in.
We’re an independent GAF service provider. Gold Star Contractors is not manufacturer-affiliated or part of any GAF dealer program. That independence is the point: we spec GAF components by what Crestline’s snow-load and wildfire conditions require, not by what a program pays us to push. If a full ice-and-water shield at the eaves is the right call for your chalet, we’ll tell you that even if code minimum says otherwise.
We use genuine GAF shingles, StormGuard underlayment, and Cobra venting on any warranted field or ridge work. Aftermarket components are where leak callbacks start, and we’re not going to put a mismatched ridge vent on your Timberline roof to save a few dollars. For older roofs where the failure is localized to a valley or penetration and the decking is sound, we repair with genuine GAF components. Once you’re seeing chronic ice-dam backup or widespread granule loss, a full re-roof with ice-and-water shield is the cheaper path over five years.
Most full re-roofs in Crestline take three to six working days, depending on slope, access, and how much decking needs replacement once we open the roof. Weather windows matter here: we schedule around snow forecast windows in winter and the intense summer afternoon sun that makes roof work unsafe on some slopes. For a more specific timeline on your place, call (833) 382-8544 and we’ll walk the roof with you.
We service Timberline HDZ and UHDZ architectural shingles, Timberline AS II, StormGuard film-surfaced leak barrier, and both Cobra Ridge Vent and Cobra Snow Country Ridge Vent. If your Crestline roof is mid-century or 1980s era with a GAF shingle we don’t immediately recognize, we’ll identify it on site and confirm whether it’s still serviceable or past its useful life.
Most GAF roof repairs in Crestline land between $400 and $1,800, depending on the failure. A localized valley leak with minor shingle replacement sits at the lower end; a ridge vent replacement with ventilation correction or ice-dam repair with decking replacement runs higher. The honest variable is what’s underneath: if the decking is rotted from years of snowpack and refreeze, the repair scope changes. Call (833) 382-8544 for an exact quote, estimates are free.
Service Areas Near Crestline
We serve Crestline and the surrounding mountain communities, and we’re also the GAF roofing team homeowners call from down the hill. If you own a Crestline rental but live in Corona, Home Gardens, Norco, Eastvale, or Jurupa Valley, we’re set up to handle your roof remotely with photo documentation and phone approvals. We also provide GAF service in Murrieta and GAF service in Calimesa for downslope properties. For full coverage details, see our Crestline service area page.
Book Your GAF Service in Crestline Today
If your GAF roof is showing granule loss, ice-dam backup, or wind-lifted shingles, don’t wait until the next snow cycle makes it worse. Call Gold Star Contractors at (833) 382-8544 for a free, written estimate. We’ll come up the mountain, put eyes on your roof, and give you a straight answer on repair versus replacement.
Written by Noel Carranza, Owner at Gold Star Contractors, providing GAF roofing service to Crestline, CA and the San Bernardino Mountains.