Mercer Roofing roofing team

Roofers in El Granada - 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

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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 El Granada, CA

Roofing in El Granada demands a different playbook than inland Bay Area work. The combination of salt-laden marine air, persistent fog, and unobstructed Pacific exposure means standard materials and methods fail years ahead of their rated lifespans. We send our technician’s name and photo before every visit, provide a written price before any work starts, and back every repair with our 365-Day Done Right Promise. Call (743) 200-8347 to schedule your free estimate.

Call (743) 200-8347

Why El Granada Homes Are Different

El Granada sits directly on the San Mateo Coastside with zero inland buffer from the Pacific. That exposure creates a roofing environment measurably harsher than even nearby Half Moon Bay or Pacifica. Salt spray corrodes galvanized drip edge, ridge cap metal, and exposed fasteners years ahead of schedule, which is why we specify stainless or coated hardware as standard here, not an upgrade.

The marine layer is effectively permanent. Roof surfaces can go days without drying out between fog events and rain, letting moss and algae establish faster than almost anywhere else in the Bay Area. Biological growth isn’t cosmetic here; it’s structural, with root systems penetrating underlayment and compromising decking.

The housing stock compounds the challenge. The original Alhambra resort subdivision, platted in 1908 for seasonal beach-colony use, produced modest low-pitch cottages and bungalows never engineered for year-round coastal saturation. By the time shingles show wear, decking has often been silently rotting from sustained moisture and moss-root intrusion for years. Mid-century ranch infill from the 1960s through 1980s brings standard pitches but its own pattern: wind-driven rain infiltration at rakes and eaves. We encounter both on the same block.

Our Main El Granada Services

El Granada homeowners call us most often for targeted repairs on moisture-damaged coastal roofs and full replacements that account for the marine environment. Here’s what each service involves here.

Roof Repair in El Granada

Our repair work in El Granada focuses heavily on biological growth remediation, compromised flashing replacement, and decking repair where moss-root intrusion has created hidden rot. We inspect low-slope sections from the Alhambra-era stock with particular care, since pooled moisture on shallow pitches degrades the substrate before surface materials show distress. Every repair includes a written guarantee and a free second visit if the fix fails within 365 days. Roof Repair in El Granada covers our full process and typical repair scopes.

Roof Repair in El Granada

Roofing Company in El Granada

As a full-service roofing company in El Granada, we handle everything from emergency tarping after winter storm surf damage to scheduled maintenance programs that catch salt corrosion and moss colonization before they spread. Our technicians arrive in clean, marked uniforms with photo ID badges, and we send you their name and photo before they reach your door. Dispatch and scheduling are coordinated from our San Francisco Bay Area office, with crews serving El Granada locally. Roofing Company in El Granada explains our complete capabilities.

Roofing Company in El Granada

Roof Installation in El Granada

New roof installations in El Granada require material selection and detailing specifically for coastal exposure. We specify corrosion-resistant fasteners, appropriate underlayment for prolonged damp conditions, and shingle systems from manufacturers whose products perform in marine environments. Every installation begins with a written, line-item price and ends with our 365-Day Done Right Promise. Roof Installation in El Granada details our installation standards and material options.

Roof Installation in El Granada
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 El Granada

We install and repair using GAF, CertainTeed, Owens Corning, Atlas, Tamko, and Boral products, with manufacturer-recognized application methods. Common flashing, fasteners, and repair components are stocked for El Granada-area jobs, so most repairs don’t wait on parts. See our brands for full specifications and warranty details.

Pricing for Roofers in El Granada, CA

Service Typical range in El Granada
Minor leak repair (flashing, small patch) $280 – $520
Moderate repair (decking patch, multiple leak points) $650 – $1,400
Moss/algae treatment and prevention $380 – $720
Full shingle replacement, small home (1,200 sq ft) $9,500 – $14,000
Full shingle replacement, medium home (2,000 sq ft) $14,500 – $22,000
Full shingle replacement, large home (3,000+ sq ft) $22,000 – $32,000
Low-slope membrane system (coastal cottage) $12,000 – $18,500
Stainless/coated fastener upgrade (standard on our jobs) Included
Decking replacement (per sheet, if needed) $85 – $140
Skylight repair or reflash $340 – $680

What pushes El Granada prices higher: concealed decking rot from years of moss-root intrusion, salt-corroded flashing requiring full replacement rather than spot repair, and the need for corrosion-resistant hardware throughout. What doesn’t change: our written price before any work starts, with no surprises on the invoice.

Neighborhoods We Serve in El Granada

We work across El Granada’s full footprint, from the original Alhambra grid to newer infill. Response time to any of these areas is typically same-day or next-day for repairs, with installation scheduling based on material availability and weather windows.

  • Alhambra Park (original 1908 resort subdivision)
  • El Granada Boulevard corridor
  • Avenue Alhambra and adjacent grid streets
  • Granada Drive area
  • Highway 1 east-side infill (1960s – 1980s ranch homes)

Service Area – Cities Near El Granada

Our crews serve the full San Mateo Coastside and adjacent Peninsula communities. We regularly work in Half Moon Bay, CA, just north on Highway 1, and Pacifica, CA to the north along the coast. Inland Peninsula coverage includes Burlingame, CA and Millbrae, CA for homeowners who want our Threshold Verified technician standard and written pricing guarantee.

Serving El Granada, CA - Our Local Coverage Area

We’re based in the El Granada 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 El Granada

Ready to get started? Free estimates · Free in-home estimates response in El Granada
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 El Granada 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 El Granada

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 El Granada - 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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