Roofing Company in Norwalk, CA | Mercer Roofing

Roofing Company in Norwalk - 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 Norwalk

Roofing in Norwalk comes with a set of conditions most roofers never talk about. The city’s 1950s and 60s ranch tracts put thousands of low-slope roofs over original skip sheathing, then the 1980s added heavy concrete tile on top of framing that was never designed for it. That combination, plus Santa Ana winds funneling through the Puente Hills gap, means a Norwalk roof needs a structural eye before a single shingle or tile gets ordered. Mercer Roofing has worked on these homes long enough to know what’s under the surface, and we put every price and guarantee in writing before work begins. Call (743) 200-8347 for a free estimate.

Call (743) 200-8347

Why Mercer Roofing Is Norwalk’s Preferred Roofing Company

We’re the Roofing Company team that treats your home like it’s someone’s home, because it is. That starts before the estimate. When a Mercer technician heads to your Norwalk property, you get their name and photo sent to you ahead of time. They arrive in a clean, marked uniform, badge at the door with a photo ID, and give you a written price before any work starts. That’s the Threshold Verified standard, and every independently owned Mercer location is contractually held to it.

Norwalk homeowners consistently tell us the same thing: they wanted a roofer who didn’t feel like a stranger at the door. Grant Whitlock, who leads our team, built our approach around that exact concern. If you’re home alone, a parent with young kids, or an older homeowner who wants proof of who’s walking up the driveway, that’s who we write our procedures for. We’re part of the Threshold Group family, founded in 2000, and the 365-Day Done Right Promise covers every repair we do: if it’s not right within a year, we make it right.

Response time to Norwalk is measured in hours, not days, for emergency roof leaks and storm damage. Our crews know the ranch tracts off Alondra Boulevard, the streets around Excelsior Drive, and the neighborhoods west of the 605. That local familiarity means we arrive already knowing what your roof likely looks like beneath the surface.

Roofing Contractor in Norwalk

Hiring a Roofing Contractor in Norwalk means more than finding someone who can nail shingles. On a 1950s ranch with a 2:12 pitch, original skip sheathing, and a 1980s concrete tile retrofit, the contractor has to understand how all three layers interact. Mercer Roofing starts with a structural load assessment and an inspection of what’s under the existing roof before we recommend any scope of work.

Structural Load Assessment Before Any Tear-Off

A large share of Norwalk homes had lightweight asphalt shingles swapped for concrete tile in the 1980s and 90s, frequently without rafter reinforcement. Before we quote a re-roof, we check the framing, the sheathing, and the nailing surface. That assessment is the difference between a roof that lasts 30 years and one that fails in the first Santa Ana event.

Written Scope and Fixed Price

Once the assessment is done, you get a written line-item price. Not a verbal estimate, not a “we’ll see when we get up there.” The number is fixed before we order materials. If tear-off reveals hidden decking rot, we document it and work with you on a revised written scope, never a surprise invoice.

Roof Inspection in Norwalk

A Roof Inspection in Norwalk should account for the city’s two biggest roofing risks: wind-lifted concrete tile and ponding on low-slope ranch profiles. Mercer Roofing inspects every flashing point, every lap joint, and the attic ventilation that these 1950s tracts were built without. A typical inspection in Norwalk runs $150 – $300, and if you’re buying or selling a home, a written inspection report with photos is part of what we deliver.

Tile-Lift and Flashing Check

Santa Ana wind through the Puente Hills gap regularly lifts and cracks concrete tiles and peels flashing on Norwalk rooflines. Our inspection specifically tests tile adhesion, fastener condition, and flashing seal points where wind gets underneath and starts tearing.

Ponding and Drainage Review

Flat ranch profiles create ponding problems that expose every failed lap joint or clogged interior drain. We map low spots, check for standing water after rain, and flag any area where water sits for more than 48 hours. That’s the kind of detail that prevents a $3,000 deck replacement down the road.

Trusted Brands We Service in Norwalk

Norwalk homeowners have a real choice in roofing materials, and we work with the brands that hold up in this climate. We install and repair GAF, CertainTeed, and Owens Corning shingle systems, and we keep a working stock of common replacement parts for the concrete tile and low-slope profiles we see throughout Norwalk. If your 1980s tile roof needs a GAF underlayment replacement or CertainTeed ridge vent retrofitted to fix an attic ventilation deficit, we can usually start within a week of your written approval. That’s not a promise about same-day service, it’s just the reality of having local crews stocked for Norwalk’s specific housing stock.

Common Roofing Problems We See in Norwalk Homes

  • Concrete tile over original skip sheathing. The 1980s retrofit often went directly over spaced board sheathing with no solid decking. That leaves inadequate nailing surface and trapped moisture that rots the deck invisibly from below.
  • Santa Ana wind lift and crack damage. The Puente Hills gap funnels gusts that crack tile corners and peel flashing on low-slope rooflines. We see this concentrated in the tracts east of the 605 and north of Rosecrans Avenue.
  • Minimal attic ventilation as built. 1950s Norwalk ranches were framed with almost no ridge or soffit venting. New architectural shingles over that sealed attic trap heat and moisture, rotting the new decking from the start.
  • Ponding on flat or near-flat profiles. Heavy but infrequent rainfall pulses leave water sitting on low-slope ranch roofs, exposing every failed lap joint and clogged interior drain. The ponding is worse on homes built with original grade beams that have settled over 60 years.

Pricing for Roofing Company in Norwalk, CA

Roofing in Norwalk runs in clear ranges depending on what’s under the surface. A tear-off and architectural shingle re-roof on a typical 1,200-square-foot ranch runs $14,000 – $22,000. A concrete tile replacement with new solid decking runs $22,000 – $35,000. A structural load assessment runs $350 – $650. A roof inspection runs $150 – $300. Roof repair work like flashing replacement or a small leak patch runs $450 – $1,200. The biggest cost driver in Norwalk is what we find under the old roof: if the 1980s tile went over skip sheathing with no decking, that deck replacement adds $4,000 – $7,000. We put every one of these numbers in writing before work starts, and the price doesn’t move unless you approve a written change. Call (743) 200-8347 for a free estimate.

We Also Serve Cities Near Norwalk

Mercer Roofing serves homeowners throughout the southeast LA basin. Beyond Norwalk, our crews work in Cerritos, Santa Fe Springs, Artesia, and Bellflower. If you’re just outside the city line, call (743) 200-8347 and we’ll let you know if we cover your street. The same written-price promise and badge-at-the-door standard applies everywhere we work.

Serving Norwalk, CA - Our Local Coverage Area

We’re based in the Norwalk 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 Norwalk

Why Norwalk Chooses Mercer Roofing

We set the standard for roofing company in Norwalk.

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 Norwalk

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 Norwalk - 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 Norwalk Customers Say

Trusted by homeowners across Norwalk and surrounding areas.

★★★★★

"Honest inspection. He went up, took photos, and told me I had maybe five more years instead of selling a full replacement."

Xavier L. · Verified customer
★★★★★

"Leak showed up in the hallway ceiling after a big storm. They found the failed pipe flashing in about ten minutes, replaced it, and checked the attic for wet insulation."

Sophie R. · Verified customer
★★★★★

"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

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 Norwalk?

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

(743) 200-8347

Request a Free Estimate in Norwalk

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