Mercer Roofing roofing team

Roofers in Rancho San Diego - Free Inspection, Itemized Written Quote

Free roof inspection with photos, then an itemized written price before anything is ordered. Installed by our own licensed crews and backed by a workmanship warranty.

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Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation

Your new roof for as low as $159/month*on approved credit; ask for current terms
Styles & brands we work with

Architectural shingles
Architectural shingles
Metal roofing
Metal roofing
Tile roofing
Tile roofing
GAF
GAF
Owens Corning
Owens Corning
Flat & low-slope
Flat & low-slope

Before & after – our own jobs

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Recent Project
Before - Full RestorationBeforeAfter - Full RestorationAfter
Full Restoration
Before - Complete UpgradeBeforeAfter - Complete UpgradeAfter
Complete Upgrade

Roofers in Rancho San Diego, CA

Roofers in Rancho San Diego work on a housing stock built mostly in the 1980s and 1990s, meaning the concrete tile roofs look fine from the street while the felt underlayment beneath them has reached end of life. We specialize in tile-lift-and-re-felt jobs that preserve your existing tiles, plus full replacements when decking or fire-code upgrades are needed. Call (743) 200-8347 to schedule your free estimate, and we’ll send you the name and photo of your technician before they arrive.

Call (743) 200-8347

Why Rancho San Diego Homes Are Different

Rancho San Diego sits in the inland foothills east of El Cajon, where summer temperatures regularly hit 95 – 105°F. That inland heat bakes underlayment and flashing sealants far faster than the coastal climate most people associate with San Diego County. The Santa Ana winds add another layer of trouble, creating negative-pressure uplift that can lift aging tiles and drive rain through failed underlayment during winter storms.

The housing itself is almost entirely planned suburban tract homes from the 1980s and 1990s, finished with concrete mission or flat tile. The tiles last 50-plus years, but the 30-pound felt underlayment beneath them was only rated for 20 – 30 years. We’re now squarely in the replacement window, which is why tile-lift-and-re-felt work dominates our Rancho San Diego calls rather than full tear-offs.

Because Rancho San Diego is unincorporated, every permit runs through San Diego County Department of Planning & Development Services, not a city hall. The community also falls within the County’s High Fire Hazard Severity Zone, so all re-roofing must use Class A-rated assemblies. County inspectors enforce this on the spot. Contractors who normally work in incorporated El Cajon or La Mesa and assume the same rules apply here routinely face project holds or failed inspections. HOAs in developments like Casa de Oro add another approval layer, governing replacement tile color and style before permits can even be pulled.

Our Main Rancho San Diego Services

Most Rancho San Diego homeowners call us for one of three needs: stopping an active leak, replacing failed underlayment before it leaks, or installing a new roof system that meets current fire and energy codes.

Roof Repair in Rancho San Diego

Our repair work in Rancho San Diego focuses on the gap between what homeowners see (intact concrete tile) and what’s actually failing (cracked underlayment, corroded valley metal, or deteriorated pipe flashing). We lift the tile, replace the compromised layer, and re-bed the original tiles. Every repair comes with our written 365-Day Done Right Promise and a free second visit if the fix fails. Roof Repair in Rancho San Diego

Roof Repair in Rancho San Diego

Roofing Company in Rancho San Diego

As a full-service roofing company in Rancho San Diego, we handle everything from emergency tarping after Santa Ana wind damage to complete re-roofing with Class A-rated assemblies. We pull County permits, coordinate HOA approvals for Casa de Oro and similar planned neighborhoods, and schedule County inspections. Every technician is Threshold Verified, background-checked, and arrives with a photo ID badge you’ll recognize from the advance text we send. Roofing Company in Rancho San Diego

Roofing Company in Rancho San Diego

Roof Installation in Rancho San Diego

New roof installation in Rancho San Diego means navigating County fire-zone requirements from day one. We specify Class A-rated underlayment, fire-resistant decking where required, and cool-roof-rated shingles or tile systems that help with those 100-degree summer days. We use GAF, CertainTeed, Owens Corning, Atlas, Tamko, and Boral products recognized by manufacturers for proper warranty registration. Written price before any work starts, every time. Roof Installation in Rancho San Diego

Roof Installation in Rancho San Diego
Need help today?Fast, friendly service and a no-obligation free estimate.

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What happens when you call

  1. 1
    A real person answersNo phone trees - you reach a local pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched.
  3. 3
    A background-checked tech heads outLicensed & insured, dispatched right away.
  4. 4
    You approve before work beginsNothing starts until you say go.

Brands We Service in Rancho San Diego

We install and repair with GAF, CertainTeed, Owens Corning, Atlas, Tamko, and Boral shingles and tile systems. Our San Diego office stocks common underlayment, flashing, and fasteners for Rancho San Diego’s dominant concrete tile profiles, so most repairs don’t wait on parts. See our brands for full warranty details.

Pricing for Roofers in Rancho San Diego, CA

Service Typical range in Rancho San Diego
Tile lift and re-felt (underlayment replacement, tiles reused) $8,500 – $14,000
Concrete tile roof repair (localized, under 100 sq ft) $450 – $950
Pipe flashing replacement $280 – $550
Valley metal replacement (open valley, concrete tile) $1,200 – $2,400
Full concrete tile roof replacement (Class A assembly) $18,000 – $32,000
Shingle roof replacement (Class A, 2,000 sq ft) $14,000 – $22,000
Skylight leak repair (flashing and seal) $350 – $750
Chimney cricket and flashing rebuild $1,800 – $3,500
Emergency tarping (wind/storm damage) $350 – $650
Roof inspection with written report $150 – $300

In Rancho San Diego, prices push toward the higher end when we encounter multiple layers of old underlayment, rotted decking from prior leaks, or HOA-mandated tile matching that requires special-order materials. We give you a written, line-item price before any work starts, and that price doesn’t change unless you add scope.

Neighborhoods We Serve in Rancho San Diego

We work across Rancho San Diego’s full unincorporated footprint, from the older Casa de Oro tracts to the hillside developments along Jamacha Road. Dispatch and scheduling are coordinated from our San Diego office, with crews typically arriving within the same service window we quote.

  • Casa de Oro
  • Jamacha Hills
  • San Miguel Ranch
  • Spring Valley (unincorporated pockets adjacent to Rancho San Diego)
  • Cajon Crest

Service Area – Cities Near Rancho San Diego

Our crews also handle roofing work in Los Angeles, CA, San Diego, CA, San Jose, CA, and San Francisco, CA. Within San Diego County, we regularly cross the unincorporated boundary to serve El Cajon, La Mesa, and Santee homeowners with the same County-permit expertise.

Serving Rancho San Diego, CA - Our Local Coverage Area

We’re based in the Rancho 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 Rancho San Diego

Ready to get started? Free estimates · Free in-home estimates response in Rancho San Diego
Call (743) 200-8347

What happens when you call

  1. 1
    A real person answersNo phone trees - talk to a local roofing pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
  3. 3
    We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
  4. 4
    You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.

What Rancho San Diego Customers Say

★★★★★ 4.8 from 9+ reviews

"Chimney flashing was the culprit for years of dark stains on the ceiling. Fixed it in one visit and no more stains."

- Ian O.

"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.

"Full tear-off and new shingles on our two-story. They covered the landscaping with tarps and ran a magnet over the yard afterward. Didn't find a single nail."

- Karen V.

How It Works in Rancho San Diego

Getting your roofing handled is simple and fast.

1

Call or Request a Free Estimate

Tell us about your roofing needs and we provide an upfront, transparent quote - no obligation, no hidden fees.

2

Licensed Technician Dispatched

A background-checked, certified technician arrives in Rancho San Diego - typically within 30-60 minutes, with parts stocked on the truck.

3

Problem Solved, Guaranteed

We complete the job to your full satisfaction, backed by our warranty and 100% satisfaction guarantee.

Current Offers

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Free On-Site Estimate & Written Quote

No obligation. We measure, price the job in writing, and the quote is yours to keep.

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Written Price Before Any Work Starts

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Written Guarantee on Every Repair

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Free Second Visit if the Repair Fails

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