Roofing Company in San Ramon, CA | Mercer Roofing

Roofing Company in San Ramon - 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.

Call to schedule your free estimate

653+
Cities Served
Free
Written Quotes
Licensed & Insured Written Quotes Free Estimates All Brands Satisfaction Guarantee
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

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

Fast, Reliable Roofing Company Across San Ramon

If you need a Roofing Company in San Ramon that shows up with a written price before any work begins, you’re in the right place. We know the Dougherty Valley tracts, the Windermere HOA rulebooks, and the Cal Fire zones along Tassajara Road because we work on those roofs every week. A live person answers our phone around the clock at (743) 200-8347, and every technician who comes to your door has been background-checked and carries a photo ID badge. We’ll send you their name and photo before they arrive, so you know exactly who’s at the door.

Call (743) 200-8347

Why Mercer Roofing Is San Ramon’s Preferred Roofing Company Company

San Ramon homeowners tend to ask sharper questions than most. They want to know whether the tile profile matches the HOA’s approved palette, whether the underlayment meets the Cal Fire Class A standard, and whether the price on the quote is the price on the invoice. It is. We put every number in writing before a single nail is driven, and that written price never changes mid-job. Our 365-Day Done Right Promise backs every repair: if it isn’t right within a year, we come back and make it right at no charge. That’s not a slogan. It’s the written guarantee we hand you with the work order.

We don’t play games with who shows up at your door. Mercer Roofing is part of the Threshold Group family, founded in 2000, and every independently owned location operates under the Threshold Verified standard. That means background-checked, identity-verified, uniformed technicians on every visit. Every one of them presents a photo ID badge before stepping foot inside. For a parent home alone with young kids, or an older homeowner in Gale Ranch who wants proof of who’s at the door, that single detail matters more than any marketing line ever could.

Our reviews from San Ramon customers consistently mention two things: the quote matched the final bill, and the tech was exactly who the text message said would arrive. Grant Whitlock, who leads our San Ramon work, has built the crew around those two commitments. If a repair fails within 365 days, the second visit is free. No arguing, no fine print.

Roof Inspection in San Ramon

A Roof Inspection in San Ramon typically costs $195 – $395, and it’s the single smartest move a homeowner in a 2000 – 2010 tract build can make before the 15 – 25 year failure window closes on their roof. We walk every slope, document cracked concrete S-tile, lifted ridge caps, granule loss on composition shingles, and step flashing that’s pulling away after Diablo wind events. If your home sits east of Dougherty Valley near Tassajara Road, we also verify that your current assembly meets the Cal Fire Very High Fire Hazard Severity Zone requirements, because a straightforward like-for-like re-roof may not pass permit there.

Builder Warranty Documentation

Many San Ramon tract homes built between 2000 and 2010 are still inside their original builder warranty window. Before any roofer touches your roof, you need to know whether that warranty is still in force. We document every failed flashing detail, underlayment tear, and tile crack with photos and written notes formatted for a warranty claim file. We did exactly this for a Windermere homeowner whose original 2004 concrete S-tile roof started slipping after a wind event, and that documentation became the backbone of their successful claim.

HOA Architectural Review Support

In Windermere and Gale Ranch, a roof inspection isn’t just about the roof. It’s about knowing which tile profiles and color palettes the covenants allow before you spend a dollar. We flag what needs HOA architectural approval and what doesn’t, and we’ll walk your proposed materials through the review process so you don’t get a violation notice after the work is done.

Commercial Roofing in San Ramon

Commercial Roofing in San Ramon runs $9 – $18 per square foot for flat or low-slope systems, with most retail and office properties in the Bishop Ranch and Crow Canyon corridors falling between $12,000 and $45,000 depending on square footage and the condition of the existing decking. Property managers here face the same Diablo wind and heat we see on residential jobs, but the flat membranes and TPO systems common on San Ramon commercial buildings fail differently: heat seams open, ponding water accelerates membrane breakdown, and rooftop HVAC penetrations become leak points. We handle all of it, with the same written pricing and Threshold Verified standards we apply to homes.

Tenant Improvement Coordination

Commercial re-roofs in San Ramon often have to stay out of the way of tenants, deliveries, and business hours. We sequence work in phases and keep you updated with clear, written change orders if anything unexpected shows up in the decking. The price on your original proposal is the price you pay for the work scoped. If the scope changes, you’ll know before we move a single tool.

Cal Fire Compliance for Commercial Properties

Some commercial buildings along the eastern edges of San Ramon fall under the same Very High Fire Hazard Severity Zone rules that affect residential roofs on the Tassajara Road corridor. If your property requires a Class A fire-rated assembly, we’ll tell you at inspection, not after the permit gets rejected. That’s the kind of thing that adds cost and delays when it’s discovered late. We find it early and build it into the written price.

Trusted Brands We Service in San Ramon

We install and repair GAF, CertainTeed, and Atlas roofing systems across San Ramon, and we stock common replacement parts locally so repairs on Dougherty Valley and Bollinger Canyon homes don’t wait on a warehouse shipment. For concrete tile renovations in Windermere and Gale Ranch, we work within the manufacturer-approved profiles and the HOA’s color palettes. On the hillside edges where fire codes apply, we specify GAF and CertainTeed Class A assemblies that pass San Ramon’s permit review the first time. Fast turnaround matters when a Diablo wind event lifts ridge caps on a dozen homes in the same week. We keep enough material on hand to move quickly without cutting corners.

Common Roofing Company Problems We See in San Ramon Homes

  • Same-age tract roof failures. The Dougherty Valley and Gale Ranch developments went up almost simultaneously between 2000 and 2010, which means thousands of near-identical roofs are now failing in the same seasons. We see the exact same cracked tile pattern on one street after another.
  • HOA architectural review surprises. Windermere and Gale Ranch covenants restrict concrete tile profiles and approved color palettes. A homeowner who re-roofs without architectural approval can get a violation notice and be forced to redo work at their own cost.
  • Cal Fire Very High Fire Hazard Severity Zone rejections. Homes on the eastern edges of Dougherty Valley and along Tassajara Road legally require Class A fire-rated assemblies. A like-for-like shingle swap gets rejected at permit, which blindsides homeowners who already bought materials.
  • Diablo wind damage on east-facing slopes. Hot, dry easterly winds funneling down from the Diablo Range lift ridge caps and loosen step flashing on hillside homes. We see the same east-facing slope damage concentrated in Dougherty Valley and Gale Ranch after every wind event.

Pricing for Roofing Company in San Ramon, CA

Here are real numbers for San Ramon’s market. A roof inspection runs $195 – $395. A standard shingle repair on a composition roof costs $350 – $900. A full roof replacement on a 2,000 – 2,800 square foot San Ramon tract home runs $14,000 – $28,000 for architectural shingles, and $28,000 – $55,000 for concrete S-tile matching Windermere or Gale Ranch covenant palettes. Commercial flat or low-slope systems run $9 – $18 per square foot. The factors that move you through those ranges: tile profile, decking condition, whether you’re in a Very High Fire Hazard Severity Zone, and whether your HOA requires a specific material that costs more. You’ll get a written price for your exact roof before any work starts. Call (743) 200-8347 for a free estimate.

We Also Serve Cities Near San Ramon

Our crews work across San Ramon and the surrounding East Bay communities daily. If you’re in Dublin, Danville, Hayward, or Pleasanton, the same Threshold Verified technicians, the same written pricing, and the same 365-Day Done Right Promise apply. Dispatch is coordinated from our San Francisco Bay Area office, and crews serve San Ramon locally. Call (743) 200-8347 and a live person will answer.

Serving San Ramon, CA - Our Local Coverage Area

We’re based in the San Ramon 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 San Ramon

Why San Ramon Chooses Mercer Roofing

We set the standard for roofing company in San Ramon.

No Change-Order Surprises

The written quote you sign is the price you pay. Anything we find mid-job gets priced and approved by you in writing before we touch it.

Licensed & Insured

Fully certified technicians who meet all local and state licensing requirements.

Upfront Pricing

No hidden fees, no surprises. You approve the price before any work begins.

Guaranteed Work

Every repair and installation is backed by our workmanship warranty and satisfaction guarantee.

How It Works in San Ramon

Getting your roofing company handled is simple and fast.

1

Call or Request a Free Estimate

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

2

Licensed Technician Dispatched

A background-checked, certified technician arrives in San Ramon - 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.

What happens when you call

  1. 1
    A real person answersNo phone trees - talk to a local roofing company 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 San Ramon Customers Say

Trusted by homeowners across San Ramon and surrounding areas.

★★★★★

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

Ian O. · Verified customer
★★★★★

"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. · Verified customer
★★★★★

"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. · Verified customer

Current Offers

Bring these savings to your next appointment.

Free On-Site Estimate & Written Quote

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

Expires Mar 31, 2027
Always

Written Price Before Any Work Starts

Expires Mar 31, 2027
Included

Written Guarantee on Every Repair

Expires Mar 31, 2027
Free

Free Second Visit if the Repair Fails

Expires Mar 31, 2027

Ready for Roofing Company in San Ramon?

Call now for a free estimate - or request one below. Licensed, insured, and here with fast after-hours help in San Ramon.

(743) 200-8347

Request a Free Estimate in San Ramon

Tell us about your roofing company needs - we'll respond within the hour.

By sending this request, you agree to our Privacy Policy and agree to be contacted by telephone, text message, or email about your request, including by the independent professionals who may fulfill it.

Areas We Serve
Call Now - 24/7 Dispatch