Metal roofing
Architectural shingles
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 Installation Across Wilmington
Roof installation in Wilmington runs anywhere from $9,800 for a basic composition shingle tear-off on a small bungalow to $28,000+ for a standing seam or tile roof on a larger home. Most jobs fall between $12,000 and $19,000. The numbers change fast when you’re dealing with Wilmington’s marine-industrial air, which corrodes standard fasteners years before shingles wear out. We factor that in from the start so you don’t pay for the same repair twice. Call (562) 471-4832 for a written quote before any work begins.
Why Crestview Roofing Co Long Beach Is Wilmington’s Preferred Roof Installation Company
Crestview Roofing has been installing roofs since 2000, and our crews know Wilmington’s specific conditions better than inland contractors who treat every zip code the same. We work throughout Wilmington, from the avenues off Avalon Boulevard up to the homes near Banning Park, and we’ve handled everything from 1920s bungalows on Watson Avenue to post-war stucco homes on Eubank Avenue. Dylan Pace leads our team with one rule: the written price is the price. If the number on your estimate says $14,600, the invoice says $14,600. No change orders, no “we found rot” surprises at the door.
Every Wilmington job follows The Relay Standard: you get a live trackable arrival time, before-and-after photo documentation, and a digital invoice sent by text. Our technicians are background-checked and uniformed, so you know exactly who’s walking up your driveway. We answer calls 24/7 with a live person, not a voicemail loop. And every repair we make is covered by the 365-Day Done Right Promise in writing, including a free second visit if anything fails within the year.
Styles & brands we work with






Roof Flashing Installation in Wilmington
Roof Flashing Installation in Wilmington is the single most important line item on any roof quote here, because flashing, the metal strips that seal joints around chimneys, vents, and valleys, is exactly what Wilmington’s sulfur-and-salt air destroys first. We routinely pull off flashing that looks fine from the street but crumbles in your hand. In Wilmington, galvanized flashing corrodes through in five to eight years, long before the shingles show wear. A full flashing replacement on a typical Wilmington home runs $1,200 to $3,800 depending on the number of penetrations and valleys.
Marine-Grade Materials We Specify
Standard galvanized flashing is not a Wilmington product. We install hot-dip galvanized or stainless steel flashing on every job here, paired with marine-grade sealants at every penetration. It costs roughly 15 to 20 percent more than inland-spec materials, but the alternative is a leaky roof in six years and another $3,000 repair.
Signs Your Flashing Is Failing Early
If you see rust streaks running down from chimney flashing, or water staining around vent pipes, the metal is already compromised. On many Wilmington homes, the shingles still have 50 percent life left while the flashing is done. We catch this during a full Roof Installation inspection before recommending a tear-off.
TPO Roofing Installation in Wilmington
TPO Roofing Installation in Wilmington makes sense for the many flat and low-slope roofs on the older bungalows, multi-family buildings, and garage additions across the neighborhood. TPO is a single-ply thermoplastic membrane that reflects heat, handles standing water, and resists the chemical fallout that settles on roofs near the Port of Los Angeles. A TPO roof on a standard two-car garage or small flat section runs $4,500 to $9,000 installed, while a full home with a low-slope main roof usually lands between $11,000 and $22,000 depending on square footage and whether we need a full tear-off.
Why TPO Beats Torch-Down in Wilmington’s Air
Older torch-down roofs in this area crack at the seams from thermal cycling after years of chemical exposure. The seams separate, water gets in, and you’re looking at a full tear-off rather than a patch. TPO is welded at the seams with hot air, creating a single continuous surface that handles both the temperature swings and the refinery fallout better than any asphalt-based system.
Lighter Colors and the Grime Problem
A reflective white or light-gray TPO surface does more than keep your attic cooler. It also reduces the amount of industrial soot that bakes into the membrane surface. Dark roofs absorb more heat, which accelerates chemical breakdown. If your flat roof faces the harbor, we recommend a lighter TPO color specifically to extend its life in Wilmington’s air.
Trusted Brands We Service in Wilmington
We install and service materials from GAF, CertainTeed, and Owens Corning, three of the industry’s top roofing manufacturers. That means whatever you choose, the product warranty is backed by a company with real testing facilities, not a regional supplier you’ve never heard of. For Wilmington customers, we commonly recommend GAF’s HDZ architectural shingles for pitched roofs and CertainTeed’s TPO membrane for flat sections. We keep common flashing profiles and sealants in stock locally so a follow-up or repair doesn’t wait on a parts order.
Common Roof Installation Problems We See in Wilmington Homes
- Wilmington rust on flashing and fasteners: Sulfur emissions from the refineries combine with salt air to corrode galvanized metal years earlier than inland. We specify stainless steel fasteners and hot-dip galvanized drip edge as standard, not an upgrade.
- Moss and algae on north-facing slopes: The morning marine layer keeps shaded roof planes damp, which traps moisture, lifts shingles, and rots decking. It also causes granule loss that clogs gutters and shortens shingle life.
- Santa Ana wind damage to starter strips and drip edges: Wind gusts peel back improperly nailed starter courses, especially on low-slope multi-family roofs. We use a six-nail pattern on every starter strip and edge piece in wind-exposed areas of Wilmington.
- Embedded soot and chemical fallout on shingle surfaces: Port traffic and refinery emissions leave a film that accelerates UV breakdown. The granules loosen, the surface gets brittle, and impact damage from flying debris becomes more likely. Regular cleaning helps, but eventually a tear-off is the only fix.
See the difference
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AfterPricing for Roof Installation in Wilmington, CA
A full composition shingle roof on a typical 1,200-square-foot Wilmington bungalow runs $11,000 to $16,000, including tear-off, decking repair, underlayment, flashing, and haul-away. Steeper or more complex roofs with valleys and dormers push toward $19,000. TPO flat roofs start around $4,500 for small sections and reach $22,000 for a full main roof. Spanish tile and standing seam are the premium end, from $18,000 to $35,000 depending on the profile and whether we’re matching existing tile. Every quote we write is a fixed price, broken down line by line, delivered before any work begins. Call (562) 471-4832 and we’ll schedule a free estimate with a written price you can hold us to.
We Also Serve Cities Near Wilmington
Crestview Roofing serves Wilmington and the surrounding area, including Long Beach, Bellflower, Seal Beach, and Los Alamitos. If you’re a few blocks outside the neighborhood line, we still come out. Our Roof Installation in Wilmington crews know these streets and the conditions that come with living this close to the port. Same written-price promise, same 365-Day Done Right Promise, no matter which side of Anaheim Street you’re on.
Serving Wilmington, CA - Our Local Coverage Area
We’re based in the Wilmington 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 Wilmington
A roofer who knows this neighborhood won’t install standard galvanized flashing because it fails within five to eight years in Wilmington’s sulfur-and-salt air. The refineries release sulfur compounds that combine with coastal moisture to accelerate corrosion far beyond what inland roofs experience. We specify hot-dip galvanized or stainless steel flashing and stainless fasteners on every job here, even though it costs about 20 percent more upfront. The alternative is a leak and a $2,000 to $4,000 flashing replacement within a decade. Call (562) 471-4832 and we’ll show you the difference in writing before we start.
Sulfur dioxide in the air reacts with moisture to form weak sulfuric acid, which corrodes metal fasteners, flashing, and drip edges from the inside out. You won’t see it until the metal is already compromised. On a Wilmington roof, the nails holding your shingles can lose their heads while the shingle surface still looks intact. When you see granule loss or brittleness, part of the cause is also chemical: sulfur compounds accelerate oxidation of the asphalt itself. That’s why our Wilmington inspections include a fastener and flashing check, not just a visual sweep of the shingles.
Yes, you do. Wilmington’s coastal humidity and marine layer mean more moisture trapped under the roof surface for more hours of the day. Standard felt underlayment absorbs water and breaks down faster here. We specify a synthetic, marine-grade underlayment that resists moisture, won’t wrinkle, and performs better during the long damp season. It adds about $800 to $1,400 to a full roof job, but it’s the difference between a deck that lasts 30 years and one that rots in 15. That’s the coastal-spec versus inland-spec price gap, and the cheap spec always costs more within a decade.
It won’t stop the grime from landing, but it will reduce how much damage that grime does. Dark surfaces absorb more heat, which speeds up the chemical reaction between the soot and the membrane. A white or light-gray TPO surface stays cooler, so the fallout is less likely to bake in and degrade the material. It also cuts your summer cooling load, which matters when Wilmington gets direct sun off the harbor. For flat and low-slope roofs near the port, we recommend light-colored TPO on every quote.
A typical 1,000 to 1,200-square-foot Wilmington bungalow with a simple gable or hip roof needs 11 to 14 squares of roofing material. That number includes roughly 10 to 15 percent waste for cuts, valleys, and ridge caps, which is standard industry practice, not padding. If a roofer quotes you 8 squares for a 1,100-square-foot roof, they’re either measuring wrong or planning to cut corners on overlap. We measure every roof with satellite imaging plus an on-site check, and we show you the square count on your written quote. Call (562) 471-4832 for a free estimate, and you’ll see exactly what you’re paying for.
Contact Crestview Roofing Co Long Beach
If you need roof installation in Wilmington, call (562) 471-4832 for a free estimate. You’ll get a written price before any work begins, a live trackable arrival time, and photo proof when the job is done. Dylan Pace and our Wilmington crew will walk you through the materials, the numbers, and the timeline. No pressure, no vague estimates, no surprises at the door.
Written by Dylan Pace, Owner at Crestview Roofing Co Long Beach.