Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roof Installation Across San Marino
Roof installation in San Marino typically costs between $22,000 and $68,000, depending on whether you’re doing a full tear-off, a tile-over re-roof, or a standing seam metal system. As a Roofing Company - San Marino, we’ve spent years working on the Spanish Colonial Revival and Mediterranean estates that define this city, so we know the review process, the materials, and the schedule inside out. If you’re planning a roof project here, call (743) 200-8347 for a free written estimate before you do anything else.
San Marino isn’t like the rest of the San Gabriel Valley. The homes are older, the review process is stricter, and the clay tile on most roofs was hand-molded before World War II. That changes how a roof installation should be planned, priced, and scheduled. Our crews work here regularly, and we file the architectural review submittals ourselves so the job never stalls waiting on a board calendar.
Why Mercer Roofing Is San Marino’s Preferred Roof Installation Company
We send every technician’s name and photo to you before they arrive. When they knock, they’re wearing a clean, marked Mercer uniform and a photo ID badge. You’ll know exactly who’s at your door, which matters a lot in a city where homeowners are often home alone with young children or are older and want certainty about who’s entering the property. No other roofer in San Marino makes that promise in writing.
Our pricing is written before any work starts. Not after, not subject to change orders. We hand you a line-item quote, you approve it, and that’s the price. Every repair we make carries a written guarantee, and if a repair fails within 365 days, we return for a free second visit under our 365-Day Done Right Promise. That’s the standard, not the exception.
We know the neighborhoods here: the estates off Oak Grove Drive, the streets near Lacy Park, the homes up against the Huntington Library grounds, the east side around Valentine Elementary. We know which roofs have original glazed tile, which have been patched with mismatched concrete, and which have ridge mortar that’s been eroding for two decades. That local knowledge means we don’t waste your time re-learning your block.
Standing Seam Metal Roof in San Marino
Standing Seam Metal Roof installation in San Marino runs $38,000 to $68,000 on a typical estate home, and it’s the choice we recommend when the Architectural Review Board wants a clean, period-appropriate metal profile with Class A fire performance.
Standing seam metal takes a different set of approvals here. The city wants documentation on the panel profile, the color, and the gauge, and we compile that packet ourselves so your submittal isn’t bounced back for missing a single spec sheet. Once approved, the work moves fast: tear-off, underlayment, and panel installation typically run in a single continuous window, which means your home isn’t exposed to weather any longer than it has to be.
Material and Finish Documentation
San Marino’s review board will ask for manufacturer specifications and a sample board. We handle that end-to-end, including color matching against adjacent rooflines so the finished roof looks like it belongs on the street.
Fire-Rated Underlayment
Positioned at the base of the San Gabriel Mountains, San Marino carries recurring wildfire exposure. We use Class A fire-rated underlayment systems beneath standing seam metal, which is what the board and your insurer both want to see.
Tile Roof in San Marino
Tile Roof installation in San Marino runs $22,000 to $54,000 depending on whether we’re doing a full tear-off or a tile-over re-roof, and the tile-over approach is the defining specialty of this market.
Here’s the reality: most San Marino homes from the 1920s through 1940s still have their original hand-molded or glazed clay tiles. You can’t buy matching profiles new. So on a tile-over re-roof, our crew carefully removes, catalogs, and re-sets those irreplaceable period tiles over entirely new underlayment, new flashing, and new ridge mortar. The board doesn’t have to approve a material change because the material isn’t changing, and the street face of your estate stays exactly as it was in 1931.
Period Tile Re-Matching
When a field section has cracked tiles beyond saving, we source salvaged period-matching clay from specialty reclaim dealers or local estate teardowns. That’s a logistical layer almost unheard of in nearby Alhambra or most of Pasadena, but it’s standard procedure here.
Ridge and Hip Mortar Repair
Santa Ana winds channeled down from the San Gabriels lift aging tiles and erode the mortar at ridge and hip joints. Before we re-set any original tile, we inspect every ridge line and re-bed loose tiles so the first wind event doesn’t undo the entire re-roof.
Trusted Brands We Service in San Marino
We install and repair shingle and tile systems from Roof Installation manufacturers including GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. For the tile work that defines San Marino, we keep a running inventory of salvage-sourced period tile, plus new Atlas and Boral concrete tile for homes where the board has approved a contemporary profile. That means when we find three cracked field tiles during a repair, we’re not putting you on a six-week waiting list while a reclaim dealer ships across the country.
Common Roof Installation Problems We See in San Marino Homes
- Scheduling the tear-off before architectural approval clears. We see roofs left open, with irreplaceable period tile stacked on the lawn, because a contractor tore off before the review board calendar ran. We file the submittal first and schedule the tear-off for the week after the approval lands.
- Directly swapping original clay tile for modern architectural shingles. Neighboring Alhambra has no curb on modern substitutes, but San Marino’s design review will reject it, and you’ll lose the profile that gives your estate its street face. We only propose materials that will actually pass.
- Re-using original tile over new underlayment without inspecting cracked fields and eroded ridge mortar. The first Santa Ana wind event lifts the same tiles the re-roof was meant to secure. We inspect every field and ridge before re-setting anything.
- Failing to include the color and profile documentation in the submittal packet. A packet without tile profiles, color sheets, and manufacturer specs gets bounced, and the delay pushes your project into the next review cycle. We compile that documentation as part of every quote.
Pricing for Roof Installation in San Marino, CA
A full tile-over re-roof in San Marino typically runs $26,000 to $44,000. A standing seam metal roof runs $38,000 to $68,000, factoring panel gauge, finish, and the fire-rated underlayment the board and your insurer will both ask for. If you’re keeping the original tile but replacing failed underlayment, expect the material salvage and re-setting labor to add 15 – 25% over a conventional tear-off because every tile is handled individually and numbered.
If your home needs a complete material change, the number depends on what the review board approves and what the salvage market has for period tile. We’ll give you a written line-item quote before any work starts, and that number never changes mid-project. Call (743) 200-8347 for a free estimate.
We Also Serve Cities Near San Marino
Beyond San Marino, our crews cover the surrounding San Gabriel Valley: San Gabriel, Alhambra, Pasadena, and South Pasadena. If you’re on the edge of the city limits, give us a call and we’ll confirm coverage for your street.
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 Installation in San Marino
Yes, if the project changes the roofing material or profile. Any material change requires Architectural Design Review approval, and we file the submittal ourselves, including tile color sheets, profile documentation, and manufacturer specs, so the board has everything it needs up front. Call (743) 200-8347 and we’ll handle the packet for you.
For most San Marino estates, no. The city’s design review standards effectively prohibit swapping original period tile for modern substitutes, and you’d forfeit the profile that gives your home its street face. We only propose materials that will pass, and we’ll tell you honestly at the first estimate if shingles are off the table. Call (743) 200-8347 to talk through what applies to your specific property.
A complete packet needs tile profile documentation, color sheets, manufacturer specs, and a written scope that confirms the original tile will be re-set rather than replaced. We compile all of that as part of your free estimate, which is one reason our re-roofs don’t stall waiting on a committee. Call (743) 200-8347 and we’ll walk you through exactly what your project needs.
We treat every San Marino roof as a wind-exposed installation. That means inspecting ridge and hip mortar before re-setting any tile, using proper fasteners at the eaves and gable ends, and specifying underlayment rated for uplift. We don’t do a visual-only check, because the winds here channel down the foothills hard enough to lift cracked tile within a single season. Call (743) 200-8347 to schedule a roof inspection before the next wind event.
Yes, and we do it regularly. We source salvaged period-matching clay tile from specialty reclaim dealers and local estate teardowns so we can repair a single damaged field section without mismatched modern tile drawing the eye. Call (743) 200-8347 for a free estimate on a spot repair, and we’ll tell you honestly whether a patch is enough or the surrounding field also needs work.
When you’re ready to plan a Roof Installation project in San Marino, call (743) 200-8347. You’ll talk to a live person, you’ll get a written quote before any work starts, and you’ll know exactly who’s coming to your door before they arrive.
Written by Grant Whitlock, Owner at Mercer Roofing, serving San Marino since 2000.






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