Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roof Installation Across Crestline
A new roof installation in Crestline typically runs $8,500 – $24,000 depending on size and material, with most residential jobs completed in 2 – 5 days. We pull all required permits, schedule inspections around your availability, and send you a written price before any work begins.
Last October we were up on a cedar-shake teardown in the Crestline Heights area when the homeowner mentioned she’d been waiting three weeks for another roofer to return her call. That’s not unusual up here. Crestline sits at 4,600 feet in the San Bernardino Mountains, and a lot of contractors based down the hill treat the drive up Highway 18 like it’s a expedition. We’re already here. Our Inland Empire office coordinates dispatch and scheduling, but our crews serve Crestline directly. We know the difference between a Valley of the Moon property that gets hammered by afternoon sun and a Lake Gregory-adjacent home that deals with heavier winter moisture. When you call (325) 246-5075, a live person answers, 24/7. You’ll get a trackable arrival time, before-and-after photos, and a digital invoice by text. That’s The Relay Visibility Guarantee, and it’s how we’ve operated since 2000.
Why Crestview Roofing Is Crestline’s Preferred Roof Installation Company
We’ve built our reputation in Crestline on showing up when we say we will and charging what we quoted. Our Roof Installation team has handled everything from compact A-frames off Lake Drive to multi-level homes in the Crest Forest neighborhood, and we bring the same process to every job: written price first, then work.
Our Crestline customers consistently mention three things in feedback: the live arrival tracking, the photo documentation, and the fact that our technicians arrive in uniform with background checks already completed. You know who’s coming before they pull into your driveway.
Response time to Crestline averages same-week scheduling for standard installations, with emergency tarping and temporary protection available faster when storms hit. We understand the local permit process through San Bernardino County, including the specific wind-load requirements that apply at this elevation.
We also handle Roof Repair in Crestline and Roof Replacement in Crestline, so if an inspection reveals your existing deck needs attention before new shingles go on, we don’t hand you off to another contractor.
Roof Flashing Installation in Crestline
Roof Flashing Installation in Crestline addresses the metal strips that seal joints around chimneys, vents, skylights, and wall intersections, and it’s often the most overlooked detail in a mountain climate where freeze-thaw cycles run hard from November through March. In Crestline, we regularly see original flashing fail prematurely on homes built during the 1970s cabin boom, especially where galvanized steel was used instead of modern aluminum or copper. A typical flashing installation or replacement here runs $450 – $1,200 depending on linear footage and material.
Chimney and Penetration Sealing
Chimneys on Crestline’s older homes often sit on settling foundations, which pulls flashing away from the brick and creates channels for water. We remove the old metal, inspect the underlying deck for rot, and install new step flashing woven into each shingle course with a proper counter-flashing cap.
Valley and Wall Junction Protection
Open valleys where two roof planes meet collect debris from surrounding pines and oaks, holding moisture against the metal. We specify wider valley flashing with a raised center rib and proper crickets behind chimneys to direct water out quickly.
TPO Roofing Installation in Crestline
TPO Roofing Installation in Crestline gives homeowners with low-slope or flat sections a single-ply membrane that reflects UV and handles thermal expansion better than traditional built-up roofing. We see this most often on modern additions, garage roofs, and commercial-style structures in the newer builds around Crestline’s developed areas. A typical TPO installation here runs $7.50 – $12.50 per square foot, with most residential flat roofs falling between $4,200 and $8,800 total.
Membrane Seaming and Attachment
TPO sheets are heat-welded at the seams, creating a bond stronger than the membrane itself. We mechanically attach the base sheet to Crestline’s frequent wind gusts, then fully adhere the membrane in areas where puncture resistance matters most.
Energy Performance in Mountain Sun
Crestline’s elevation means more intense UV exposure per hour than the valley below. White TPO reflects that radiation, keeping attic spaces cooler in summer and reducing the load on undersized mountain HVAC systems common in older cabins.
Trusted Brands We Service in Crestline
We install GAF Timberline HDZ, CertainTeed Landmark, and Atlas StormMaster Slate on Crestline homes, with Boral concrete tile available for homeowners matching existing Spanish or mission-style roofs. We don’t order materials from a central warehouse and hope they arrive on time. Our supplier relationships in the Inland Empire mean shingles, underlayment, and specialty flashings reach Crestline quickly, even when a winter storm has Highway 18 running slow. Every brand we carry backs its products with manufacturer warranties that we register on your behalf, and our workmanship comes with the 365-Day Done Right Promise, in writing, included with every job.
Common Roof Installation Problems We See in Crestline Homes
- Ice dam formation at eaves. Crestline’s combination of heavy snowfall and daytime thawing creates ice dams that back water under shingles. We install proper ice-and-water shield membranes and ensure adequate attic ventilation to even out roof temperatures.
- UV degradation on south-facing slopes. The mountain sun at 4,600 feet is more intense than most homeowners expect. We specify UV-resistant granules and recommend lighter color options on exposed elevations to extend shingle life.
- Inadequate nailing in wind-exposed areas. San Bernardino County’s wind-load requirements are stricter up here for good reason. We use six-nail patterns on all GAF and CertainTeed architectural shingles in exposed Crestline Heights and Crest Forest locations.
- Original cedar shake decks with gaps too wide for modern underlayment. Many 1960s and 1970s Crestline cabins need solid sheathing installed before new shingles can go on. We identify this during our initial inspection and include it in your written quote, not as a surprise add-on mid-job.
Pricing for Roof Installation in Crestline, CA
Most full roof installations in Crestline fall between $8,500 and $24,000. A compact 1,200-square-foot home with standard architectural shingles typically lands in the $8,500 – $13,500 range. Larger homes, steep pitches, or premium materials like Boral concrete tile push toward $18,000 – $24,000. TPO flat-roof sections add $4,200 – $8,800. Flashing replacement as part of a larger job runs $450 – $1,200.
What moves the number: roof pitch (steeper means more labor and safety equipment), deck condition if rot is found, material tier, and whether we’re removing one layer or two. We inspect all of this before quoting, and the price we write is the price on your invoice. No change orders unless you add scope. Call (325) 246-5075 to schedule your free estimate. We’ll walk the roof, document what we find with photos, and email your line-item quote within 24 hours.
We Also Serve Cities Near Crestline
Our crews handle Roof Installation in Crestline and the surrounding mountain communities, including Lake Arrowhead, Highland, San Bernardino, and Running Springs. Same process, same written prices, same live arrival tracking no matter which San Bernardino County community you’re in.
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 Installation in Crestline
Most standard roof installations in Crestline are scheduled within 5 – 10 business days of your approved estimate, with flexibility to accommodate weather windows and your availability. Emergency tarping and temporary protection can be dispatched faster when storms cause active leaks. Call (325) 246-5075 to check current scheduling.
Yes, we install roofs throughout Crestline including Crestline Heights, Crest Forest, and the Lake Gregory area, as well as properties off Lake Drive and along Highway 18. Each neighborhood has specific considerations we’ve documented from previous jobs, from access constraints to typical home ages.
We provide emergency tarping and temporary weatherproofing in Crestline 24/7 through our live-answered phone line, but full roof installations require proper permitting and dry conditions for safety and warranty validity. If a storm has damaged your roof, we’ll secure it immediately and schedule the permanent installation for the first safe window.
Crestline installations typically run 8 – 15% higher than comparable jobs in San Bernardino due to mountain access, stricter wind-load requirements at elevation, and the frequency of deck repairs needed on older homes. We build these factors into your written quote upfront, not as surprises.
Every installation carries manufacturer warranties on materials, ranging from 25 years to lifetime depending on your shingle selection, plus our 365-Day Done Right Promise on workmanship. If anything we installed fails within a year, we fix it at no charge, including a free second visit if needed. Call (325) 246-5075 for exact warranty terms on your preferred material.
Written by Dylan Pace, Owner at Crestview Roofing, serving Crestline since 2000.






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