Metal roofing
Architectural shingles
Tile roofing
Owens CorningFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Roofers in San Diego, CA
Roofers in San Diego, CA face conditions you won’t find in most of the country: salt air along the coast, intense UV east of the 5, and a housing stock full of 1950s-1980s Ranch and Mid-Century homes with original roofing that’s now decades past its service life. We’re Mercer Roofing, and every job we take in San Diego starts with a written price before any work begins, and every technician who arrives at your door is background-checked, uniformed, and badged with a photo ID – so you know exactly who’s on your property. Call us at (619) 810-5520 for a free estimate.
Why San Diego Homes Are Different
San Diego’s roof replacement cycle is driven by two forces that rarely appear together: corrosion from the coastal marine layer and granule loss from intense inland sun. In neighborhoods like Clairemont, Pacific Beach, and Allied Gardens, we regularly find homes built between 1955 and 1985 still wearing their original composition shingles or built-up roofing – materials that were never designed for four decades of thermal cycling. The Santa Ana winds don’t help. Those dry, hot gusts work shingles loose and push dust and debris into venting, while the fog that sits over coastal neighborhoods like Ocean Beach and Point Loma keeps north-facing slopes damp long enough for moss and algae to take hold. Add in the reality that many original 1960s wood shake roofs in Clairemont and Allied Gardens have been covered with multiple layers of composition shingles, and you get roof systems with weight and ventilation problems that simply don’t exist in a newer subdivision. Permits matter here too: San Diego requires a permit for most reroofing work, and any added layers above two total typically trigger a full tear-off under California building code.
Styles & brands we work with




Our Main San Diego Services
Most San Diego homeowners call us for one of two reasons: a leak that needs repair before it becomes a bigger problem, or a roof that’s reached the end of its life and needs replacement. Each service has its own dedicated San Diego page with full pricing and details.
Roof Repair in San Diego
Roof repair in San Diego usually means chasing leaks around flashing, replacing cracked or wind-lifted shingles, or sealing penetrations like vents and skylights that have dried out in the sun. The marine layer adds a wrinkle: moisture that lingers on north-facing slopes can rot plywood decking under shingles that look fine from the ground. We inspect the roof, not just the shingles, before quoting a repair. Every repair includes a written guarantee and a free second visit if the repair fails within 365 days. Roof Repair in San Diego covers our full process and repair pricing.

Roofing Company in San Diego
As a full-service roofing company in San Diego, we handle everything from single-section patching to whole-roof replacement with GAF, CertainTeed, and Owens Corning shingle systems. What sets the work apart locally is tear-off complexity: San Diego’s older Ranch and Mid-Century homes often hide multiple shingle layers or original wood shake under the top course, and we address ventilation and decking before anything gets nailed down. Roofing Company in San Diego details what to expect from the first call through final inspection.

Roof Installation in San Diego
A roof installation in San Diego is a fresh start, but it only performs as well as the prep underneath it. We inspect decking for rot from years of coastal fog, replace damaged plywood, install proper underlayment, and correct ventilation before the first shingle goes on. Material choice matters more here than in rainy cities: UV-stable shingles from manufacturers like GAF and CertainTeed hold their granules longer under inland sun. Roof Installation in San Diego explains the full replacement process and what it costs.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in San Diego
We install and repair roofing systems from GAF, CertainTeed, and Owens Corning, with common parts and materials stocked locally for faster turnaround on repairs. If you’re weighing shingle options for a San Diego roof, our brands page compares what each manufacturer offers.
See the difference
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AfterPricing for Roofers in San Diego, CA
What you’ll pay for roofing work in San Diego depends on the job, but the ranges below reflect what we typically see across the city. Every price we quote is written, and it doesn’t change once work begins.
| Service | Typical range in San Diego |
|---|---|
| Minor roof repair (small leak, flashing, or shingle patch) | $250 – $600 |
| Moderate repair (multiple shingles, flashing replacement) | $600 – $1,500 |
| Major repair (structural repair, large leak area) | $1,500 – $3,500 |
| Chimney flashing repair or replacement | $400 – $1,000 |
| Skylight flashing repair or replacement | $500 – $1,200 |
| Full tear-off and reroof (1,500 sq ft, asphalt shingles) | $7,500 – $14,000 |
| Full roof replacement with architectural shingles | $9,000 – $18,000 |
| Flat or low-slope roof replacement | $6,000 – $12,000 |
| Roof inspection (written report included) | $150 – $350 |
| Recurring maintenance or tune-up visit | $200 – $500 |
Two things push San Diego prices toward the upper end of these ranges: multi-layer tear-offs and hidden decking rot from years of coastal moisture. Whatever your quote is, it’s the price you pay – we put it in writing before any work starts, with no change orders or surprise invoice lines.
Neighborhoods We Serve in San Diego
We work across San Diego, from the beach communities to the inland valleys. If you’re within the city limits, we’ll have a technician out to inspect your roof, usually within a day or two of your call.
- Clairemont
- Allied Gardens
- Pacific Beach
- Ocean Beach
- North Park
Service Area – Cities Near San Diego
Along with our work throughout San Diego, we take on roofing projects in nearby communities. If you’re in Coronado, CA, National City, CA, Bonita, CA, or Imperial Beach, CA, you’re within our service area and we can get a technician out to you the same way we do in San Diego.
Serving San Diego, CA - Our Local Coverage Area
We’re based in the San Diego 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 Roofers in San Diego
Most San Diego homes can be inspected within one to two business days of your call. Leaks get priority, especially during rain events, and we’ll let you know the schedule when you call (619) 810-5520.
Yes, most reroofing and significant repair work in San Diego requires a permit. We handle the permit process for you as part of the job, and the cost is included in our written quote before anything gets started.
We serve the full city, from Point Loma and Ocean Beach east to Allied Gardens and north through Clairemont, plus nearby communities like Coronado and National City. If you’re not sure your neighborhood is in our area, call us and we’ll confirm on the spot.
If you’re looking for roofers in San Diego, CA who’ll put every price and guarantee in writing before work begins, call Mercer Roofing at (619) 810-5520. We’ll send a technician whose name and photo you’ll have before they arrive – and every quote is free.
What happens when you call
- 1A real person answersNo phone trees - talk to a local roofing pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What San Diego Customers Say
"Honest inspection. He went up, took photos, and told me I had maybe five more years instead of selling a full replacement."
- Xavier L."Leak showed up in the hallway ceiling after a big storm. They found the failed pipe flashing in about ten minutes, replaced it, and checked the attic for wet insulation."
- Sophie R."Roofer showed his ID and gave me the crew lead's name before anyone climbed the ladder. Replaced a patch of missing shingles and resealed two vent boots. Written estimate matched the final bill."
- Brian J.