Metal roofing
Architectural shingles
Tile roofing
GAF
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Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roof Replacement Across La Crescenta-Montrose
Roof replacement in La Crescenta-Montrose typically runs $9,500 to $18,000 depending on material, slope, and whether you’re tearing off a single layer or original wood shake. We get this question constantly from homeowners from Briggs Terrace to Montrose proper, and the answer is direct: the job itself takes three to five days once materials arrive, but your specific number depends on what tear-off reveals. We serve all of La Crescenta-Montrose, including 91214, and our team has been climbing foothill roofs long enough to know that what’s under the shingles matters as much as the shingles themselves. Call (866) 942-4187 for a free estimate, and we’ll walk the roof with you before we quote a single number.
Why Orange County Roofing Co Is La Crescenta-Montrose’s Preferred Roof Replacement Company
We’re not the contractor that throws a number at you from the sidewalk. In La Crescenta-Montrose, that approach fails fast. The housing stock here runs 1920s to 1960s ranch and traditional homes on sloping lots, and what hides under old roofing often changes the entire scope. Our process starts with a standalone inspection, which means we’ll tell you what your roof actually needs before we propose a replacement. If you don’t need a full tear-off, we say so.
Kurt Hensley set up Orange County Roofing Co to solve a specific problem: homeowners are forced to choose between a repair contractor, an inspection company, and a replacement crew, and nobody connects the three. We handle the full lifecycle under one team. That matters on a 1950s home off Ramsdell Avenue where a repair call frequently turns into a discovery about decking rot or failed valley flashing. Homeowners in La Crescenta-Montrose tell us the same thing: they want someone who spots those issues on the first visit, not after a deposit clears.
We also carry seven major shingle brands, so the recommendation you get is based on your roof, not our margin. Whether that means GAF architectural shingles on a steep Verdugo slope or Tamko on a lower-pitch 60s rambler near Montrose Avenue, the material follows the house.
Styles & brands we work with






Reroofing in La Crescenta-Montrose
Reroofing in La Crescenta-Montrose means installing a new roof system over your existing framing, and it’s the right call when your roof has reached the end of its service life but the structure underneath is still sound. Around here, that’s most common on the post-1960s development along the foothill edges, where composition roofs are nearing thirty years and the decking has generally survived. A typical reroof runs $9,500 to $14,500 in this market, depending on square footage and pitch. Steeper terraced lots push labor costs up because crews move materials by hand up slopes that trucks can’t reach.
What a reroof includes
Underlayment, starter strip, new shingles or roofing material, ridge cap, and all flashing around penetrations and valleys. We do not shingle over failed flashing and call it done. On foothill homes, we also check that existing rafter tails and fascia are intact before we bond anything to them.
When reroofing isn’t enough
If the decking is soft, cracked, or has water damage, a reroof alone would bury a structural problem under new material. That’s when the scope shifts to full replacement with decking. Our inspection tells you which path you’re on before we write a contract, so the number you approve is the number you get, with any unknowns identified and priced in writing ahead of time.
Flat Roof Replacement in La Crescenta-Montrose
Flat Roof Replacement in La Crescenta-Montrose comes up most often on additions, carports, and the occasional mid-century home with a low-slope section over the garage or patio. Flat roofs here fail in predictable ways: ponding water after winter storms, cracked seams after dry heat, and edge lifting during Santa Ana events. Expect to spend $8,000 to $13,000 for a typical single-family flat section, with larger commercial-style builds running higher. The Crescenta Valley’s wind funnel makes edge detailing the make-or-break detail, so we spend extra time on perimeter fastening and flashing termination.
Materials we recommend here
For low-slope work, we lean toward multi-ply systems that better withstand thermal cycling and wind uplift. Boral and Atlas both offer solid flat-roof products, and we’ll walk you through the trade-off between upfront cost and long-term seam performance during the estimate.
Inspection before flat replacement
Flat roofs hide water under the membrane long before a ceiling stain shows. Our inspection includes core samples in suspect areas, so we find saturated insulation or rotted decking before we quote. Skipping that step is how flat-roof projects turn into change orders, and we don’t do change orders without your written approval first.
Trusted Brands We Service in La Crescenta-Montrose
We install GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral, and we’ll recommend honestly. On a steep foothill lot facing open brush, Class A fire-rated GAF architectural shingles often make the most sense. On a flat patio section, Boral’s low-slope membrane may be the better fit. We keep common materials and matching components stocked for fast turnaround on La Crescenta-Montrose jobs, which helps when an inspection turns up decking rot and you want the replacement crew rolling within the week.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Replacement Problems We See in La Crescenta-Montrose Homes
- Hidden decking and underlayment rot under original wood shake. Homes built between the 1920s and 1960s often still have their first roof, and the underlayment beneath wood shake disintegrates over decades. Tear-off reveals cracked decking and failed valleys that a visual-only bid misses.
- Wind uplift damage at ridge caps and edges. Santa Anas accelerate through the Crescenta Valley and bite hardest at roof edges. We regularly see lifted shingles and broken ridge cap on roofs that are less than five years old, because the original install skipped proper starter strip and nailing patterns for this wind zone.
- Leak clusters around penetrations and valleys after winter rain. Rain here comes in a handful of intense storms, not steady drizzle. That pattern cracks sealants during dry stretches, then drives water through every gap at pipes, vents, and valley junctions when the storm hits.
- Brush-clearance conflicts on rear foothill slopes. Homes climbing into the Verdugos often have rooflines that back up to open brush. That triggers Class A fire-rating requirements and brush-clearance rules that a valley-floor roofer never deals with, which is why you want a contractor who has pulled permits in La Crescenta-Montrose proper.
Pricing for Roof Replacement in La Crescenta-Montrose, CA
A straightforward architectural shingle replacement on a single-story ranch in La Crescenta-Montrose typically runs $9,500 to $12,500. A two-story or steep terraced lot with difficult access ranges from $13,000 to $18,000. Wood shake tear-off adds $2,000 to $4,000 compared to composition-over-composition because of disposal and the heavier underlayment requirements. If decking replacement is needed, that’s an allowance item written into the contract at a per-sheet rate, not an open-ended surprise. Flat roof sections run $8,000 to $13,000. All estimates are free and line-itemed. Call (866) 942-4187 to schedule yours.
We Also Serve Cities Near La Crescenta-Montrose
Our Roof Replacement team regularly works in Tujunga, La Cañada Flintridge, Sunland, and Burbank. Many of those neighborhoods share the same foothill conditions, and we’ve handled tear-offs and re-roofs throughout the Crescenta Valley corridor. Wherever you live nearby, the same inspection-first approach and written-allowance process applies. We’re easy to reach for roof replacement across the area, and our familiarity with the local terrain translates to smarter framing, better access planning, and fewer surprises once the work begins. See our broader coverage at La Crescenta-Montrose.
Serving La Crescenta-Montrose, CA — Our Local Coverage Area
We’re based in the La Crescenta-Montrose 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 Replacement in La Crescenta-Montrose
Yes, in most cases. La Crescenta-Montrose sits inside a wildland-urban interface zone under San Gabriel Mountains foothill fire standards, and any roof replacement on a property whose rear slope faces open brush will need Class A fire-rated materials to pass inspection. Valley-floor homes technically have more flexibility, but we recommend Class A everywhere in the city because embers don’t respect property lines in a Santa Ana. Call (866) 942-4187 and we’ll check your specific parcel requirements during the estimate.
We inspect first, document existing damage, and write a decking allowance into your contract at a fixed per-sheet rate before we start. If tear-off reveals rot that wasn’t visible earlier, we take photos, show you what we found, and get written approval on the exact price before we order a single replacement sheet. Nothing proceeds on a handshake.
Yes, and they already do even if you haven’t noticed it yet. The Crescenta Valley wind funnel accelerates Santa Ana gusts along the foothill slopes, and the failure points are almost always ridge caps, edge shingles, and flashing at gable ends. We install with wind-uplift detailing specific to this area: proper starter strip, correct nailing pattern, and reinforced ridge attachment. Ask us for the manufacturer’s wind warranty documentation for your specific shingle.
Full tear-off of the old shake, inspection of decking underneath, new underlayment (including ice and water shield in valleys), and Class A fire-rated shingles, plus brush-clearance compliance and ember-resistant flashing on all penetrations. We replaced a 1950s wood-shake roof on a home climbing into the Verdugos off Foothill Boulevard where the rear slope faces open brush. After tear-off, we found cracked original decking and no ice and water shield in the valleys, so we re-decked, installed GAF Class A architectural shingles with a starter strip and ridge vent, and added ember-resistant flashing around all penetrations. That work was priced and approved in writing before materials were ordered.
Ignore the final number and compare what’s in the line items: decking allowance or no decking allowance, underlayment type, whether ice and water shield is included in valleys, flashing scope, and who pulls the permit. A lower bid that omits decking allowance is not cheaper – it’s a change order waiting. We give you a written, line-itemed quote so you can compare apples to apples, and we’ll explain any difference you see between ours and another contractor’s.
Written by Kurt Hensley, Owner at Orange County Roofing Co, serving La Crescenta-Montrose and the surrounding foothill communities.