Mercer Roofing roofing team

Roofers in Costa Mesa - 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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Every visit starts with

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 Costa Mesa, CA

Roofing in Costa Mesa runs about 10 – 20% higher than inland Orange County because moisture damage from the marine layer hides beneath the surface until tear-off begins. Most homeowners here need partial deck replacement alongside shingle work, not just a quick re-roof. We dispatch crews from our Los Angeles office and serve Costa Mesa locally, with calls answered by a live person at (743) 200-8347.

Call (743) 200-8347

Our home base coordinates scheduling, but the technicians who reach your door are the same ones who’ve worked Mesa Verde’s low-slope ranches and the Eastside’s original wood shake roofs. Every visit starts with a written price before any work begins.

Why Costa Mesa Homes Are Different

Costa Mesa sits roughly 3 – 4 miles from the Pacific, placing it squarely in the marine layer corridor that keeps rooftops damp nearly every morning from May through August. That persistent moisture accelerates algae colonization, moss growth, and corrosion of metal flashing and fasteners at a rate most inland Orange County cities never experience. Paired with a large inventory of 1950s – 1970s ranch and tract homes still carrying original or once-replaced wood shake roofs, moisture-driven decay, not UV exposure or extreme heat, is the defining roofing problem here.

The housing stock is heavily weighted toward post-WWII tract and ranch homes, particularly in Mesa Verde and the Eastside, with flat and low-slope rooflines common on mid-century designs. Re-roofing these properties frequently uncovers soft or rotted sheathing from years of marine-layer condensation, turning straightforward re-roof jobs into partial deck replacement projects. Roofers working Mesa Verde’s 1960s ranch homes routinely discover that decades of morning fog have wicked into wood shake and the original 1×6 skip-sheathing beneath, leaving decking spongy well past the drip edge. Periodic Santa Ana wind events add mechanical stress to aging roof edges, lifted flashings, and deteriorated fasteners on older low-pitch roofs.

Our Main Costa Mesa Services

Costa Mesa homeowners call us most often for repair work on aging systems and full replacements when the marine layer has done its damage. Each service has its own dedicated page with detailed pricing and scope.

Roof Repair in Costa Mesa

We handle leak tracing on low-slope mid-century roofs, wind-damaged flashing after Santa Ana events, and localized decking replacement where moisture has penetrated beneath the shingles. Most repair calls in Costa Mesa involve the transition zones near chimneys and vent stacks where the marine layer condensation pools longest. Every repair carries our written 365-Day Done Right Promise and a free second visit if the fix fails. Roof Repair in Costa Mesa details typical scopes and pricing.

Roof Repair in Costa Mesa

Roofing Company in Costa Mesa

As a full-service roofing company, we manage everything from emergency tarping after wind events to complete re-roofs with permit pulling and inspection scheduling through the City of Costa Mesa. Our crews are background-checked, identity-verified, and dispatched under the Threshold Verified standard, with your technician’s name and photo sent before arrival. Roofing Company in Costa Mesa covers our full capabilities and process.

Roofing Company in Costa Mesa

Roof Installation in Costa Mesa

New roof installations here require careful decking assessment because the marine layer has often compromised what lies beneath. We install GAF, CertainTeed, and Owens Corning systems with full underlayment replacement and upgraded ventilation to combat ongoing moisture exposure. Every installation begins with a written, line-item price and ends with a passed city inspection. Roof Installation in Costa Mesa breaks down material options and typical timelines.

Roof Installation in Costa Mesa
Need help today?Fast, friendly service and a no-obligation free estimate.

Call (743) 200-8347

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 Costa Mesa

We install and repair using manufacturer-recognized shingles including GAF, CertainTeed, Owens Corning, and IKO. Our Costa Mesa crews stock common underlayment, flashing, and ventilation components locally, so most repair jobs don’t wait on parts. See our brands for full specifications and warranty tiers.

Pricing for Roofers in Costa Mesa, CA

Service Typical range in Costa Mesa
Minor leak repair (flashing, seal) $350 – $650
Moderate repair (section re-shingle, partial decking) $1,200 – $2,800
Major repair (extensive decking, multiple penetrations) $3,500 – $6,500
Complete re-roof, 1,500 sq ft (composition shingle) $12,000 – $18,500
Complete re-roof, 2,500 sq ft (composition shingle) $19,000 – $28,000
Decking replacement (per sheet, when required) $85 – $140
Skylight replacement or new curb install $800 – $1,600
Chimney flashing rebuild $650 – $1,200
Ridge vent installation (whole roof) $900 – $1,500

What pushes Costa Mesa prices higher than inland bids is the decking replacement that reveals itself only after tear-off, plus the moisture-barrier upgrades we specify for marine-layer exposure. We put every cost in writing before work starts, with no change orders for conditions we can reasonably predict.

Neighborhoods We Serve in Costa Mesa

Our crews work across Costa Mesa’s full residential map, from the coastal-adjacent streets to the interior tracts. Most appointments are scheduled within a few days, with emergency tarping available when wind or active leaks demand it.

  • Mesa Verde
  • Eastside Costa Mesa
  • Westside / Halecrest
  • South Coast Metro
  • College Park

Service Area – Cities Near Costa Mesa

We serve homeowners throughout central Orange County, with regular work in Fountain Valley, CA, Newport Beach, CA, Santa Ana, CA, and Huntington Beach, CA. Scheduling and dispatch are coordinated from our Los Angeles office, with local crews covering each city.

Serving Costa Mesa, CA - Our Local Coverage Area

We’re based in the Costa Mesa 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 Costa Mesa

Ready to get started? Free estimates · Free in-home estimates response in Costa Mesa
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 Costa Mesa Customers Say

★★★★★ 4.8 from 9+ reviews

"Replaced the ridge cap and drip edge, and fixed a sagging gutter that nobody else mentioned. Fair price."

- Phil N.

"Great shingles and a clean install. Wish the cleanup had been done the same day, but they came back the next morning and finished it."

- Tasha G.

"Detailed written quote with the shingle line and warranty spelled out. No surprises at the end."

- Laura B.

How It Works in Costa Mesa

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 Costa Mesa - 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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