Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roofing Company Across Loma Linda
Roofing in Loma Linda isn’t the same as roofing in Redlands or Colton. Our crews work around hospital campuses, university buildings, and streets full of mid-century homes that have taken decades of San Bernardino Valley sun. If your roof is leaking, missing shingles, or just looking tired after one too many 105°F summers, we can help. Call (743) 200-8347 and a real person answers, day or night.
We’re Roofing Company specialists who know this city’s particular mix: commercial low-slope roofs near Loma Linda University Health, and residential asphalt and tile roofs in neighborhoods like Mission Corridor, Bryn Mawr, and along Anderson Street. You get a written price before we touch anything, and every repair carries a 365-day written guarantee.
Why Mercer Roofing Is Loma Linda’s Preferred Roofing Company Company
Loma Linda homeowners call us because we solve the stranger-at-the-door problem before it starts. Before any technician arrives, you get their name and photo sent to you. They show up in a clean, marked uniform and present a photo ID badge at the door. It’s part of the Threshold Verified standard we’re contractually held to as part of the Threshold Group family, founded in 2000. No other roofer Roofing Company in Loma Linda works this way.
Every job starts with a written price. Not a verbal estimate, not a “we’ll see how it goes” price. A line item quote in writing, before any work begins. If our Roof Repair in Loma Linda fails within 365 days, we come back free of charge. That’s the Done Right Promise, and it’s included with every job we do in Loma Linda. Our crews know the permit office, the inspection schedule near the LLUMC campus, and the neighborhoods where 1960s tile roofs are reaching the end of their service life. That local knowledge means fewer surprises on your invoice.
Metal Roof Installation in Loma Linda
Metal Roof Installation in Loma Linda has a specific job to do: survive valley heat that bakes standard asphalt shingles years ahead of schedule. For homes along Mission Road or near the university, standing seam and metal shingle systems make sense because they reflect more heat and shrug off Santa Ana wind events that lift asphalt tabs. A typical metal roof installation in Loma Linda runs $9 – $16 per square foot, depending on gauge, profile, and whether we’re tearing off the old roof or going over it.
Fastener Spec on Inland Metal Roofs
We specify stainless fasteners on every metal roof in Loma Linda, not the zinc-plated hardware that shows up on lower bids. Valley heat cooks electro-plated coatings off within a few years, and rust bleeds down the fascia within a decade. Stainless costs more up front, about $300 – $600 on an average roof, and it’s the difference between a 30-year roof and a 15-year roof.
Cool-Roof and Title 24 Compliance
California’s Title 24 cool-roof provisions carry real weight in Loma Linda because the inland heat makes energy compliance a year-round cost question. We specify metal profiles with high solar reflectance and thermal emittance ratings that meet Loma Linda’s requirements, not just the state minimum. That keeps the attic cooler and keeps the roof compliant if you sell.
Residential Roofing in Loma Linda
Residential Roofing in Loma Linda usually means one of two jobs: re-roofing a mid-century home that still has its original asphalt shingles or concrete tile, or repairing storm damage after a Santa Ana event. Most of the residential work we do here is on homes built between 1955 and 1985, many of them housing for Loma Linda University Health staff and long-term Adventist residents. A full asphalt shingle re-roof in Loma Linda runs $7,500 – $14,000 for a typical 1,600 – 2,200 square foot home. Concrete tile re-roofs run $14,000 – $24,000 depending on decking replacement and whether we reuse existing tile.
Mid-Century Re-Roofs and Decking Replacement
On a 1970s single-family home off Anderson Street near the LLUMC campus, our crew tore off the original concrete tile and found the underlayment brittle and crazed and the drip edge rusted through, with the first atmospheric-river storm of the season already weeping into the fascia. We replaced the decking where it had softened, laid new ice and water shield through the valleys, and reset the tile with stainless fasteners and new flashing at every penetration, because in this valley the hardware, not the tile, is what dies first.
Reusing Tile vs. New Materials
Loma Linda homeowners with concrete tile often want to reuse it. That’s doable, but it exposes the real cost: the underlayment beneath those tiles is almost certainly shot after 40 – 60 years of valley heat. Reusing tile saves $4,000 – $8,000 in material costs but doesn’t touch the failed paper, the rusted flashing, or the softened decking. We quote both paths honestly, with the full picture in writing.
Trusted Brands We Service in Loma Linda
We install and repair shingle systems from GAF, Owens Corning, and Atlas, and we work regularly with concrete tile and low-slope membrane products installed across Loma Linda’s hospital and university buildings. Because we service so many roofs in this city, we keep fasteners, flashing, and sealants stocked for the specific conditions here. That means less waiting when a repair can’t wait. Whether it’s a GAF shingle match on a 1980s rancher or a membrane repair on a commercial low-slope roof, we quote the brand by name and put the warranty in writing.
Common Roofing Company Problems We See in Loma Linda Homes
- Baked-out underlayment and brittle flashing under original tile. The dry heat and intense UV on the San Bernardino Valley floor turn 40-year-old underlayment to parchment. When the first atmospheric-river storm arrives, latent leaks all show up at once.
- Galvanized fasteners rusting through on roofs less than ten years old. Valley heat strips electro-plated coatings quickly, and rust stains run down the fascia. Stainless or hot-dip hardware is the spec that survives here.
- Santa Ana wind lifting starter strips and ridge caps. Reusing old drip edge or skipping proper starter course installation means the first wind event through the valley peels the edges back.
- Low-slope institutional and church roofs with sealant failures at penetrations. Loma Linda’s concentration of hospital, university, and Seventh-day Adventist church buildings means we constantly see sealant brittle from heat and UV around vents and HVAC curbs.
Pricing for Roofing Company in Loma Linda, CA
Here’s what Loma Linda homeowners can expect, based on our work across the city: asphalt shingle repairs run $350 – $900 for typical leak or wind damage. Full asphalt re-roofs run $7,500 – $14,000 depending on square footage and decking condition. Concrete tile re-roofs run $14,000 – $24,000. Metal roof installation runs $9 – $16 per square foot. Commercial low-slope membrane work on the flat roofs common around hospital and university buildings is quoted per job after a site walk. Every quote is written, fixed, and includes the Done Right Promise. Call (743) 200-8347 and we’ll schedule a free estimate within a few days, not weeks.
We Also Serve Cities Near Loma Linda
Mercer Roofing crews working out of the Inland Empire office serve Loma Linda and the surrounding area, including Colton, Grand Terrace, San Bernardino, and Redlands. If you’re a homeowner in a neighboring city and want the same written-price, badge-at-the-door standard, Loma Linda residents already know us, and we’ll bring the same certainty to your roof.
Serving Loma Linda, CA - Our Local Coverage Area
We’re based in the Loma Linda 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 Roofing Company in Loma Linda
Loma Linda sits on the San Bernardino Valley floor at roughly 1,100 feet elevation, where summer highs above 105°F and intense UV radiation degrade asphalt shingles measurably faster than coastal LA. The heat cooks the volatile compounds out of the shingle, making it brittle, and the long dry season does the same to flashing sealant. Call (743) 200-8347 for an exact assessment, your estimate is free.
Yes. In Loma Linda’s heat, galvanized and electro-plated fasteners lose their coating within a few years, and rust bleeds down the fascia while the fasteners weaken. We specify stainless or hot-dip fasteners and heavier flashing because that’s what survives the valley. The shingle brand matters for warranty and wind rating, but the hardware is what actually holds the roof on.
Jobs near Loma Linda University Medical Center require tighter scheduling coordination with city inspectors and stricter jobsite access, because an active Level I trauma center can’t have a roofing truck blocking a patient transport lane. We plan for that on the front end, so the permit and inspection path is clear before the crew shows up. It’s one of the reasons local knowledge on a Loma Linda job is worth real money.
Expect to replace the underlayment, and possibly some decking and all the flashing. The tile itself often survives, but the paper beneath it is almost certainly shot from 50 – 60 years of valley heat. We’ll walk the roof with you, show you what we find, and quote both reuse and replacement paths in writing before any work starts.
Yes, more than it looks like on paper. Loma Linda’s extreme inland heat means your roof is the biggest lever on summer cooling bills. Title 24 cool-roof compliance isn’t just a permit box here, it’s the difference between an attic that bakes and one that breathes. We specify materials that meet Loma Linda’s requirements and make sense for your specific home. Call (743) 200-8347 for a written quote.
Written by Grant Whitlock, Owner at Mercer Roofing, serving Loma Linda since founding in 2000.






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