Architectural shingles
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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 Repair Across San Marino
Roof repair in San Marino typically runs $450 – $1,900 for common fixes like leak repair, flashing replacement, and underlayment patching, with full lift-and-relay tile work ranging higher depending on roof size. Most jobs are completed within one to three days, though Design Review requirements can add lead time on historic or street-visible roofs. If you’re dealing with a leak, missing tile, or storm damage, call (833) 467-4901 and we’ll schedule an inspection, walk the roof with you, and give you a written line-item estimate before any work begins.
We know San Marino’s housing stock better than most contractors who drive up from elsewhere. The 1920s Spanish Colonial Revivals off Oak Grove Avenue. The sprawling mid-century ranches north of Huntington Drive. The tile-heavy streets in the 91108 and 91118 ZIP codes, where original clay still sits atop underlayment that gave out a decade ago. That local knowledge matters here, because this is not a city where you can swap in any shingle and call it done.
One thing to understand from the start: Roof Repair in San Marino is not purely a construction job. It’s often a planning and approvals job too. We’ll explain exactly how that works below, including when a simple leak fix crosses into Design Review territory and how we handle it without surprises.
Why Huntington Beach Roofers Is San Marino’s Preferred Roof Repair Company
Neil Stratton runs our roofing division, and he’s built the team around a simple rule: inspect first, recommend second. That approach matters in San Marino, where a roof that looks fine from the curb can be hiding thousands of dollars in failed underlayment. We don’t sell replacements on houses that need a repair. And we don’t patch tile with mismatched profiles that will get flagged when you sell.
We carry seven manufacturers: GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. That breadth matters in a city where design guidelines can require matching clay tile profiles and colors. If one brand is backordered or doesn’t produce the right tile shape, we have alternatives immediately available. Seven brands. One contractor. It changes what we can offer you.
Our San Marino customers tend to be homeowners who’ve already done research. They ask about underlayment grades, flashing details at side walls, and whether a lift-and-relay makes more financial sense than a full replacement. Those are the conversations we’re built for. We don’t hand off to a subcontracted estimator. The person who inspects your roof is with us from first inspection to final shingle.
Styles & brands we work with






Commercial Roof Repair in San Marino
Commercial Roof Repair in San Marino applies to a small but specific set of buildings: the low-slung professional offices along Huntington Drive, the institutional structures near the Huntington Library, and a handful of multi-unit residential properties that predate the city’s current R-1 zoning. These jobs differ from residential work because they’re often flat or low-slope roofs with membrane systems that fail at seams, drains, and penetrations long before the field of the roof gives out.
Flat Roof and Membrane Repair
Most flat roof work in this area involves patching TPO, modified bitumen, or built-up roofing at failed seams or around mechanical curbs. A typical repair on a small commercial building runs $800 – $2,400 depending on the size of the damaged area and whether the membrane can be heat-welded or needs a cold-applied patch. We document everything in writing because commercial property owners in San Marino usually need it for insurance or resale records.
Commercial Tile and Sloped Roof Repairs
A few commercial buildings in the city carry clay or concrete tile to match the residential character. These require the same Design Review compliance as residential work if the building is visible from a public street. Commercial tile repair runs higher than residential because access is often more difficult and the sections of tile are larger. We’ll tell you whether a repair makes sense or whether the roof’s age points toward budgeting for a replacement within the next few years.
Roof Leak Repair in San Marino
Roof Leak Repair in San Marino is the service we get called for most often, and here’s the pattern we see every winter: the first heavy rain after a long dry spell triggers interior water stains on ceilings, usually in homes with original tile roofs where the felt underlayment has aged out. The tile looks intact. The leak is real. In those cases the problem is almost never the tile itself. It’s what’s underneath.
Underlayment and Flashing Failure
Most leak calls we run in the 91108 ZIP code trace back to failed underlayment or corroded flashing at walls, valleys, and chimneys. A leak repair that’s just sealing a visible crack might run $450 – $900. But if we open up the tile and find the felt has disintegrated across a whole slope, you’re looking at a lift-and-relay on that section, which typically runs $1,200 – $3,800 per section depending on size and whether tile can be reused. We’ll show you photos. You’ll see exactly what we see before approving anything.
Valley and Chimney Leaks
Complex rooflines with multiple gables create a lot of valleys, and valleys concentrate water. On the older Spanish-style homes near the Huntington, we regularly find valley flashing that was never properly installed or has corroded through. A valley repair with new flashing and ice-and-water shield runs $700 – $1,800. Chimney leaks are similar, usually solved with new step flashing, counter-flashing, and a reglet cut into the masonry, $600 – $1,500 on most San Marino homes.
Trusted Brands We Service in San Marino
The brand on your roof matters less than whether the product matches what San Marino’s Design Review will accept, and that’s where our multi-brand approach earns its keep. We’re authorized to install GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral products. For tile repair work, Boral is frequently the brand we lean on because their clay tile profiles and color range match many of the originals installed on San Marino homes in the 1920s through 1960s. Atlas and GAF both produce high-quality synthetic underlayments we use for lift-and-relay work, and Tamko produces shingle options that work well on the mid-century homes where tile isn’t required. We keep common flashing profiles, underlayment, and sealants stocked so we’re not waiting on a truck from a supplier in Fontana while your roof sits open. For San Marino specifically, we maintain reference samples of the most common historic tile profiles used in the city, so we can confirm a match before we write the estimate.
See the difference
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AfterCommon Roof Repair Problems We See in San Marino Homes
- Tile that looks fine, underlayment that’s gone. This is the most common situation on pre-1960 homes. The clay tile can last 75 – 100 years, but the felt beneath it fails after 40 – 60. You won’t see it from the curb. You’ll see it on your ceiling after a winter storm.
- Mismatched repairs from previous owners. We routinely open up roofs and find sections patched with tile that doesn’t match the original profile or color, likely done without permits. It leaks eventually, and it complicates any future resale or reroof. Design Review will catch it eventually.
- Flashing failures at complex gables and valleys. Santa Ana winds drive rain sideways, and on homes with multiple gables and deep valleys, water gets pushed under tiles and against flashings in ways a dry-season visual inspection can’t detect. Decking and fascia rot begin before any interior leak shows.
- Chimney and skylight leaks on older estates. Many San Marino homes have original brick chimneys and newer skylights that were installed without proper integration into the tile roof. The flashing at those intersections gives out first, usually within 10 – 15 years of installation.
Pricing for Roof Repair in San Marino, CA
Here are the ranges we quote most often in San Marino. A targeted shingle or tile replacement without structural issues: $450 – $900. Flashing repair at a chimney, wall, or valley: $600 – $1,800. A lift-and-relay on one slope, including new underlayment and reusing sound tile: $1,200 – $3,800 per section. Full underlayment replacement on a complex tile roof: sometimes $8,000 – $20,000+ depending on square footage and whether tile is reusable.
What moves the price on this city’s homes is the roof’s complexity, the tile profile the city requires you to match, and whether we’re repairing a small area or an entire slope. Design Review can add time but not usually cost unless you’re changing materials. Call (833) 467-4901 for a free estimate. We’ll write the line items out so you can see exactly where the money goes.
We Also Serve Cities Near San Marino
Our crews work throughout the San Gabriel Valley and the surrounding communities. If your home is in San Gabriel, East San Gabriel, Alhambra, or East Pasadena, we’re familiar with those neighborhoods and their housing stock too. The roofing issues differ block by block. What doesn’t change is the inspection-first approach we bring to every job. Read more about our work in the broader region on our Roof Repair in San Marino page, which covers the surrounding service area in more detail.
Serving San Marino, CA — Our Local Coverage Area
We’re based in the San Marino 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 San Marino
Not always. If your home is not on a designated historic register and the repair uses materials matching what’s already there, in most cases you’re looking at a straightforward permit process. But San Marino enforces design review on visible Street-facing roofs, and if your home is in the historic overlay or is a designated historic property, any repair touching the roof’s appearance can trigger review. The key is matching the existing tile profile, color, and material. We handle that from the first estimate. If review is required, we prepare the documentation and material specifications the city asks for. Call (833) 467-4901 and we’ll tell you early in the conversation whether your address is likely to face it.
Usually not. The tile on a San Marino home can outlive the underlayment beneath it by decades. What typically happens is the felt paper degrades and the leak comes through the tile overlaps. The fix is often a lift-and-relay: we remove the tile from the affected slope, install new modern underlayment, and re-set the original tile on top. You keep the roof the city wants you to keep and avoid a $40,000+ replacement. We’ll need to open up a section to confirm, which is part of every estimate visit.
A “square” is 100 square feet of roof area. When we quote underlayment replacement or a lift-and-relay, the price is calculated per square. San Marino homes often have steeper pitches and more complex geometry than a typical tract home, so the usable square footage of your roof is not the same as your home’s floor area. A 3,000-square-foot two-story home might have 4,500 – 5,500 square feet of roof. We measure it, we note it on the estimate, and you’ll see the math in writing.
Yes, in most cases. We keep reference samples of the tile profiles common to San Marino homes built before 1965, and because we carry Boral and other major tile lines, we can usually source matching or near-matching clay tile. The city requires that replacement tile match the original profile and color when the roof is street-visible or in a historic overlay. If your original tile is a discontinued profile, we’ll show you the closest options and let you decide before anything gets ordered. We don’t patch with whatever is on the truck.
You’ll know before we touch it. When we open up a slope and find rotted decking, failed framing, or anything that changes the scope, we stop at that point and show you photos. Then we write a change order with the exact additional cost and the reason. Nothing gets worked on until you approve it in writing. On San Marino homes, we’re used to being the first crew who has opened up a roof in fifty years, and surprises happen. You’ll never see one show up as a surprise line item on the final invoice.
If you have a leak, a failed flashing, missing tile, or water stains on the ceiling, call (833) 467-4901. We’ll schedule a free inspection, walk the roof with you, and give you a written estimate before any work begins. Whether it’s a small repair or a full lift-and-relay, you’ll know exactly what the city requires and what it costs before you commit.
Written by Neil Stratton, Owner at Huntington Beach Roofers, serving San Marino and the surrounding San Gabriel Valley since 2001.