Architectural shingles
Metal roofing
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 Repair Across Signal Hill
Most roof repairs in Signal Hill run $350 – $1,400, with full tear-offs on older 90755 homes typically starting around $9,500 and climbing based on decking and flashing replacement. We get to Signal Hill homes fast because this is our backyard, not a distant dispatch. Noel Carrasco built Select Roof Repair around a simple idea: diagnose first, then fix. Our Roof Repair team knows the hilltop streets off Skyline Drive, the flat blocks near Cherry Avenue, and the older neighborhoods where marine-layer corrosion has been working on valley metal since the Johnson administration. Call (855) 382-0485 for a straight answer and a free estimate.

Why Select Roof Repair Is Signal Hill’s Preferred Roof Repair Company
Roofing in Signal Hill is different from roofing almost anywhere else in Los Angeles County. This is a fully built-out city surrounded on all sides by Long Beach, so the housing stock is mid-century, the lots are tight, and the wind on the hilltop streets hits harder than anything downhill. We’ve worked enough 90755 roofs to know what fails first up here: ridge caps, edge flashing, and valley metal. Not shingle fields. That changes how we quote, how we inspect, and what we recommend.
Homeowners in Signal Hill keep our number because we don’t push replacements when a targeted repair extends the life of a roof by five or six years. And when a roof is beyond saving, we say that plainly. Being a roofing-only company matters here. We’re not a general contractor juggling kitchens, bathrooms, and a roof crew on the side. We spend every working day on roofs: inspecting them, repairing them, and replacing them when the math says it’s time. Seven manufacturer brands, GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral, mean the material recommendation fits your home and your street’s wind exposure, not whatever single brand we happen to stock.
Styles & brands we work with






Commercial Roof Repair in Signal Hill
Commercial Roof Repair in Signal Hill often lands on low-slope and flat roofs attached to the small office buildings, medical suites, and retail strips scattered through 90755’s redeveloped sections. These roofs collect marine-layer condensation every morning, and the constant wet-dry cycle eats at seams, edge metal, and drain collars faster than homeowners expect. A commercial flat roof patch in Signal Hill typically runs $600 – $2,800 depending on the membrane type, the size of the affected area, and whether the underlying insulation board is saturated. We also handle coating overhauls on older torch-down and built-up roofs, because once a flat roof starts holding water, the fix is rarely just one patch.
Flat Roof Patching and Coating
Most flat roof leaks in Signal Hill start at pipe penetrations, AC curbs, or drain collars where sealant has dried and cracked from salt air and UV. We inspect the entire field before touching anything, then quote the repair with the exact membrane product we’ll use, whether that’s a modified bitumen patch, a PVC repair, or a silicone coating layer over a sound existing roof.
Drainage and Ponding Corrections
On Signal Hill’s sloping commercial lots, ponding water is the tell that drainage has failed, not just the roof surface. We’ll re-slope the affected area with a tapered system, reset drain collars, and confirm water actually leaves the roof during the season’s next rain.
Roof Leak Repair in Signal Hill
Roof Leak Repair in Signal Hill almost always starts with a ceiling stain or a drip near a window that the homeowner can’t trace to a single missing shingle. The real leak is usually somewhere uphill of the stain. Water travels along rafter edges and sheathing before it drops into living space. In 90755, the first place we look is the valleys and the flashing, because marine-layer salt air corrodes metal long before shingles wear out. A typical leak repair in Signal Hill runs $350 – $900 for a single penetration or flashing point, and $700 – $1,800 when valley replacement or multiple flashing repairs are involved.
Valley Metal and Flashing Replacement
On a hilltop street off Skyline Drive, we opened up a 1960s shingle roof after the homeowner called about a ceiling stain and found the valley metal corroded through and the original underlayment crumbled to dust. Three rafter tails had softened where the drip edge let marine-layer moisture wick back in. We priced the framing repair, new ice and water shield in the valleys, and upgraded flashing in writing before touching anything, then reset the decking, re-flashed the penetrations, and finished it out with architectural shingles and fresh ridge vent so the wind exposure up there wouldn’t peel the cap again. That’s not an unusual find in Signal Hill; it’s the normal condition of a 1950s – 1970s roof that’s spent fifty years in coastal air.
Vent Boot and Pipe Collar Leaks
Vent boots cracked by sun and salt are the most common small leak on Signal Hill roofs. We replace the boot, check the surrounding shingles for granule loss, and seal the base so the next marine-layer season doesn’t open a pinhole. It’s a quick fix, usually under $500.

Trusted Brands We Service in Signal Hill
We install and repair roofs across seven manufacturer lines: GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. That’s a deliberate choice. A house on a windy hilltop off Panorama Drive needs a different shingle and ridge detail than a sheltered bungalow near Willow Street, and a flat commercial roof in 90755 needs a different membrane than a steep residential pitch. Because we work with CertainTeed, Owens Corning, IKO, Atlas, and the rest of the portfolio without being tied to any one brand’s inventory, the product we quote is the right material for your roof, budget, and wind exposure, not the product we happen to stock.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Repair Problems We See in Signal Hill Homes
- Corroded valley metal and flashing from marine air. Morning fog and salt-laden wind off the harbor eat galvanized metal far faster than inland roofs experience. A roof that sheds water perfectly in Bakersfield can be rotting at its metal seams in Signal Hill after the same number of years.
- Wind-peeled ridge caps on hilltop streets. The crest of Signal Hill takes wind that downhill Long Beach blocks never feel. Ridge caps and edge flashing up here fail first, often while the shingle field itself still has years of life left.
- Soft fascia and rafter tails behind old drip edge. We see this on nearly every tear-off: the drip edge worked loose decades ago, moisture wicked back, and the decking or rafter ends softened behind it. The shingles look fine until you lift the edge.
- Tree contact and debris-damaged shingles on tight lots. Mature street trees and small 1940s – 1970s lots mean branches grind shingle surfaces and trap debris that holds moisture. We clear contact points and match the affected shingle field so the patch doesn’t stand out.
Pricing for Roof Repair in Signal Hill, CA
Here are the numbers we see on 90755 repair work. Minor vent boot or pipe collar replacement: $250 – $450. Flashing repair at chimneys, skylights, or walls: $400 – $950. Valley metal replacement on a typical 1960s roof: $800 – $1,800. Flat roof patch on a commercial or residential low-slope: $600 – $2,800. Full tear-off on an older Signal Hill home: $9,500 – $16,000, with the final number driven by decking replacement, code-triggered upgrades, and how much flashing and valley metal has to come out. We quote in writing before any work starts, and our free estimate includes a walk-through of what we found, what it costs, and what can wait. Call (855) 382-0485 for an exact quote on your roof.
We Also Serve Cities Near Signal Hill
Select Roof Repair covers Signal Hill and the surrounding communities, including Long Beach, Lakewood, Carson, and Hawaiian Gardens. Whether you’re on the hill itself or a few blocks over the border in Long Beach, the same roofing-only crew and the same seven-brand material selection apply. Read more about our work across the region on our Roof Repair in Signal Hill page, or call us to schedule an inspection at your address. We’re based in Westminster and on your street when you need us.
Serving Signal Hill, CA — Our Local Coverage Area
We’re based in the Signal Hill 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 Signal Hill
The shingles are fine because the shingles aren’t the problem. Marine-layer salt air corrodes the galvanized valley metal, flashing, and fasteners years before the asphalt itself wears out. In Signal Hill, that means a roof that looks healthy from the curb is often leaking through metal that has rusted through behind the shingle course. Call (855) 382-0485 and we’ll inspect the metal before anyone recommends a tear-off.
Wind exposure. The top of Signal Hill catches sustained winds that the flat blocks of Long Beach never feel, so ridge caps, edge flashing, and shingle edges fail first up here. A repair on Skyline Drive might mean replacing ridge cap and checking every fastener line, while a repair on a downhill street is more likely to be a straightforward flashing or valley issue. Same crew, same process, different failure profile.
Repair is more common than any other city we work. There are essentially no new-construction roofs in 90755, so almost every home carries a 1950s – 1970s roof that has already been re-roofed once or twice. We recommend repair whenever the structure and underlayment are sound, and we recommend tear-off when the decking, flashing, and underlayment are all failing together. The inspection determines the line.
We write everything into the contract before work starts. When we inspect a Signal Hill roof, we look for the telltale signs of hidden damage, soft fascia, rusted flashing, compromised underlayment, and we price the likely repairs as line items in the initial quote. If we open the roof and find something we couldn’t see from the surface, that change is priced and approved by you in writing before we proceed. No surprises, no change orders you didn’t sign.
Our quotes itemize every component: the membrane or shingle product by brand and line, the flashing and valley metal, the decking replacement footage if applicable, and any permit or code work. That lets you compare our number to another bid line by line, not just as a bottom-line total. Call (855) 382-0485 for a free written estimate on your Signal Hill roof.
Written by Noel Carrasco, Owner at Select Roof Repair, serving Signal Hill and the surrounding communities.