Roofing Company in Montclair, CA | Mercer Roofing

Roofing Company in Montclair - 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 Montclair

If you need a Roofing Company in Montclair, here’s the honest picture: most roofs in this city work harder than roofs fifteen miles west, and the pricing reflects that. A typical roof repair in Montclair runs $450 – $1,100, and a full architectural shingle re-roof on a 1,400 – 1,800 sq ft Ranch home lands between $11,500 and $16,800 before any decking replacement. Those numbers come from the specific failure modes we see here, which we’ll get into below. Call (743) 200-8347 and we’ll walk your roof with you, put the price in writing, and send the technician’s name and photo before anyone shows up at your door.

Call (743) 200-8347

Why Mercer Roofing Is Montclair’s Preferred Roofing Company Company

Montclair homeowners tend to be skeptical of roofing companies, and they should be. The city’s housing stock is older, the heat is unforgiving, and plenty of out-of-area crews quote low and cut corners on the details that matter here. We take a different approach. Every Mercer technician who services Montclair is background-checked, identity-verified, and arrives in a clean marked uniform with a photo ID badge at the door. You get the technician’s name and photo before the visit, so the person on your porch is the person you expected.

We’re part of the Threshold Group family, founded in 2000, and held to the Threshold Verified standard on every dispatch. That means the pricing and vetting rules don’t change just because a crew is running late or the job got complicated. The 365-Day Done Right Promise comes with every repair: if the work isn’t right within a year, we come back and make it right. Written price before any work starts. A written guarantee on every repair. No exceptions, no fine print games. Led by Grant Whitlock, our crews know the Inland Empire’s roof assemblies because we work on them every week.

Metal Roof Installation in Montclair

Metal roof installation in Montclair is a serious upgrade for homeowners who are tired of re-roofing every 12 – 15 years because the heat and Santa Ana winds keep eating through asphalt. Montclair’s summer temperatures routinely top 105°F, and metal reflects far more solar gain than even the best architectural shingle, which directly cuts cooling load inside the house. A standing seam or concealed-fastener metal roof on a typical Montclair Ranch runs $18,000 – $32,000 depending on panel profile, roof complexity, and whether we’re tearing off the old shingle layer or going over it. Metal also handles the wind funnel off the San Gabriel foothills far better than 3-tab.

Why Thermal Cycling Favors Metal Here

Montclair’s diurnal swing, blistering afternoons dropping into noticeably cooler desert nights, causes repeated expansion and contraction in every roofing material. Asphalt shingles dry out, crack, and lose granules. Metal panels are engineered to float on their clip system, absorbing that movement without tearing. That’s exactly the failure mechanism we see on Inland Empire roofs, and metal is built for it.

What We Check Before Quoting Metal

Not every Montclair Ranch is a good metal candidate without prep work. If the decking shows water damage or the low-pitch slope is under the panel’s stated minimum, we’ll address it before quoting. We also spec the underlayment for Title 24 cool-roof compliance, so the permit package passes instead of getting kicked back.

Residential Roofing in Montclair

Residential roofing in Montclair means working on post-WWII Ranch tract homes built from the late 1950s through the 1970s, most with low-pitched roofs originally covered in 3-tab asphalt shingles. The shallow slope leaves very little margin for error when flashing and membrane integrity degrade under inland heat. A full residential re-roof on these homes typically runs $11,500 – $16,800 with architectural shingles, and we include a tear-off, new underlayment, drip edge, and ridge vent in that figure. That’s the price we write down before anyone picks up a nail gun.

Ranch Roofs Need a Different Assembly

Low-slope roofs under 4:12 pitch should not get the same installation as a steeper roof in Claremont. We spec ice and water shield in the valleys and along the eaves on nearly every Montclair Ranch re-roof, because these are the first places wind-driven rain gets behind the shingles. We also mechanically fasten ridge caps, which sounds basic, but the number of cement-only caps we pull off of 1960s Montclair homes says otherwise.

Decking Decisions Made Before Work Starts

We inspect the decking during the quote, not after the old shingles are in the dumpster. If the OSB or plywood shows heat-related delamination or water damage, we write the replacement footage into the price. You’ll know the decking cost before we start, with no surprise change order. Grant Whitlock and our crews believe a written price should mean exactly what it says.

Trusted Brands We Service in Montclair

We install and repair the shingle brands homeowners actually ask for, and we keep local stock for Montclair customers so you’re not waiting a week on a warehouse order. We work with GAF, CertainTeed, and Owens Corning architectural lines most often on Montclair re-roofs because their wind ratings and cool-roof color profiles match what the city’s climate and Title 24 permit process require. Each manufacturer’s system includes specific underlayment, starter strip, and ridge components, and we follow those specs rather than mixing materials. That’s how you get the full manufacturer warranty, and it’s how we protect the 365-Day Done Right Promise.

Common Roofing Company Problems We See in Montclair Homes

  • Santa Ana wind damage to ridge caps and drip edge. On the northern-facing streets closest to the Pomona Valley foothills, wind events regularly lift or crack cement-only ridge caps installed during the 1960s – 70s building boom. We see this after nearly every major gust season.
  • Premature shingle failure from heat and thermal cycling. Montclair’s 105°F+ summers cook asphalt shingles, causing granule loss and cracking that shortens the life of a roof by 8 – 10 years compared to manufacturer ratings written for milder climates.
  • Low-slope flashing failures on Ranch tracts. The shallow roof pitch on Montclair’s post-WWII Ranch stock leaves little slope for water to shed, so any degraded flashing or membrane seam quickly becomes a leak point that spreads under the shingle field.
  • Title 24 cool-roof misinterpretation on re-roof permits. Crews unfamiliar with San Bernardino County’s specific enforcement treat reflectivity as a paperwork formality. We document the assembly correctly for Montclair permits so the re-roof passes inspection the first time.

Pricing for Roofing Company in Montclair, CA

Here’s what you’ll see on a written quote from us in Montclair. Montclair Roof Repair runs $450 – $1,100 for most flashing, ridge cap, or isolated shingle work. Full re-roof with architectural shingles on a standard Ranch: $11,500 – $16,800, including tear-off, underlayment, drip edge, and ridge vent. Metal roof installation: $18,000 – $32,000. Decking replacement, if needed, adds $2.50 – $3.75 per sq ft of decking actually replaced. Flat roof or tile work prices we scope individually because the existing assembly varies so much. Every one of those numbers gets written down before work starts, and the invoice will not drift from the quote unless we find hidden decking rot and you approve the change first. Call (743) 200-8347 for a free estimate, and we’ll give you the figure on paper.

We Also Serve Cities Near Montclair

Mercer Roofing serves Roofing Company customers across the western Inland Empire, including Claremont, Ontario, Pomona, and La Verne. If you’re in one of those cities and need the same badge-at-the-door service and written pricing, call (743) 200-8347 and we’ll schedule the same way.

Serving Montclair, CA - Our Local Coverage Area

We’re based in the Montclair 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 Montclair

Why Montclair Chooses Mercer Roofing

We set the standard for roofing company in Montclair.

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 Montclair

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 Montclair - 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 Montclair Customers Say

Trusted by homeowners across Montclair 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 Montclair?

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

(743) 200-8347

Request a Free Estimate in Montclair

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