Roofing Company in Commerce, CA | Brennan Roofing

Roofing Company in Commerce - Written Price, Workmanship Warranty

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

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
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Full Restoration
Before - Complete UpgradeBeforeAfter - Complete UpgradeAfter
Complete Upgrade

Fast, Reliable Roofing Company Across Commerce

Roofing work in Commerce, CA typically runs $6,800 – $14,500 for a full shingle replacement on a standard post-war tract home, while flat and low-slope commercial roofs range from $9,000 – $22,000 depending on square footage and system type. Most residential repairs in Commerce fall between $450 and $1,800. We schedule and dispatch crews to Commerce directly from our Los Angeles office, so when you call (361) 320-9467, a live person answers and gets your Roof Inspection in Commerce on the calendar.

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Commerce is unlike any other city we work in. Freeways wrap the city on multiple sides, rail yards run through the middle, and the air carries particulate fallout that settles directly onto roof slopes. That changes what we look for during inspection, what materials hold up, and what a fair price actually is. A Roofing Company working here needs to understand these conditions, because a crew that treats Commerce like any other LA suburb misses what’s actually happening on the roof.

Why Brennan Roofing Is Commerce’s Preferred Roofing Company

We built our reputation in Commerce on showing up when we say we will and putting the price in writing before anyone climbs a ladder. That matters here because this city does not tolerate vague promises. Homeowners off Bandini Boulevard, near the rail yards, and along the 5/710 corridor have dealt with roofers who quote one number and then find “unexpected damage” after tear-off. Our process removes that entirely. The Garrison Standard means a written price before any work starts, background-checked uniformed technicians on every job, and a 365-Day Done Right Promise in writing on every installation and repair.

Our crews know Commerce’s housing stock. Most homes here are post-WWII stucco tract houses with flat or very low-pitch roofs. That is a completely different job from a steep gable roof in the hills. We inspect for the specific failure patterns this city produces: soot-streaked shingle granule loss on freeway-facing slopes, cupped skip-sheathing under aging composite, and ponding on low-slope areas where rail dust has clogged drainage paths. Homeowners in Commerce call us because they want a Roofing Company in Commerce that already knows what those roofs look like when they are opened up.

Travis Oakley, who leads Brennan Roofing, holds the crews to a standard that does not change from one job to the next. The uniform says who belongs on the property. The written quote says what the work costs. The guarantee says what happens if something fails. Every Commerce customer gets the same thing: live answers on the phone, a written price, and a full year of coverage with a free return visit if a repair or install fails.

Commercial Roofing in Commerce

Commercial Roofing in Commerce is a different discipline from residential shingle work because this city’s building stock leans heavily toward flat-roofed warehouses, truck yards, and light-industrial buildings. These are hot-mop, modified bitumen, and torch-down systems that require a different level of preparation, safety, and code compliance than a house off a residential street. When a Commercial business in Commerce calls us, we quote the roof system it actually has, not a generic shingle price.

Flat and Low-Slope Systems

Most commercial roofs in Commerce are flat or near-flat and built around built-up roofing, modified bitumen, or single-ply membranes. We inspect the roof for ponding, failed flashings at curbs and penetrations, and blisters in the membrane. The estimate reflects the system type and the condition of the deck, because a flat roof fails from water standing where it should not.

What a Commercial Re-Roof Costs Here

A commercial flat roof in Commerce typically runs $9,000 – $22,000 depending on square footage, number of penetrations, and whether the existing system tears off clean or carries hidden deck damage. We write the price before any work begins, no exceptions. That protects a warehouse owner from a quote that moves once the old roof comes off and the deck condition is exposed.

Metal Roof Installation in Commerce

Metal Roof Installation in Commerce makes real sense for homes and commercial buildings sitting under this city’s continuous fallout from the 5/710 interchange and rail yards, because metal sheds soot and particulate far better than asphalt shingles. A standing-seam or metal shingle system costs more upfront, but on a Commerce roof it keeps its appearance and integrity longer, especially on the freeway-facing slopes that collect the worst of the grime.

Standing Seam vs. Metal Shingles

Standing seam panels run vertically and use hidden fasteners, which means fewer penetrations and better water performance on low-slope roofs. Metal shingles look more like a traditional roof but still offer the durability and staining resistance of steel. We walk you through both and price each in writing.

What Metal Costs in Commerce

A metal roof installation in Commerce runs $16,500 – $38,000 for an average residential roof, with commercial standing seam ranging higher based on square footage and deck condition. The price includes underlayment, trim, flashings, and the written guarantee. We quote fixed numbers before work starts, and that number does not move at the door.

Trusted Brands We Service in Commerce

We install materials from manufacturer lines including Atlas, Tamko, and GAF, and we stock common components for fast turnaround on Commerce jobs. If your roof needs a specific Tamko shingle color matched or an Atlas underlayment system rated for this climate, we have straightforward access to it. That means you are not waiting on a special order for a standard repair. These are materials we trust because they hold up to the particulate load this city puts on a roof, and we explain the differences between lines so you can choose with confidence instead of guessing.

Common Roofing Problems We See in Commerce Homes

  • Soot-streaked shingles on freeway-facing slopes. Diesel soot and rail dust from the 5/710 corridor and Bandini/Washington rail yards settles onto roof slopes and accelerates granule loss. Darker, stain-resistant shingle lines often hold their appearance years longer here.
  • Cupped or delaminated skip-sheathing under old shingle fields. The original board sheathing on post-WWII tract homes near Bandini Boulevard sometimes pulls loose from the rafters once soot-loaded granules hide the early warning signs. Tear-off is when the real scope shows up, which is why we inspect thoroughly before quoting.
  • Ponding on flat and low-slope residential roofs. Rail dust and particulate buildup clog drains and low spots, leaving water standing on roofs that were barely sloped to begin with. Ice and water shield at valleys and penetrations becomes critical here.
  • Incorrect flat-roof quoting on commercial buildings. A warehouse or truck yard roof is not a shingle job, and bidding it like one leads to a failed flat-work inspection. We quote hot-mop or modified bitumen systems as they are, not as a convenient shingle swap.

Pricing for Roofing Company in Commerce, CA

Roof repairs in Commerce run $450 – $1,800 for most leak fixes, flashing replacements, and small shingle patches. A full shingle re-roof on a standard Commerce tract home runs $6,800 – $14,500. Flat and low-slope commercial work runs $9,000 – $22,000, and metal roofing starts around $16,500 on a residence. What moves the number is the deck condition once the old roof comes off, the pitch, and the number of penetrations. We write the price before any work begins and we do not change that number at the door. Call (361) 320-9467 to schedule a free estimate with actual line-item numbers.

We Also Serve Cities Near Commerce

Beyond Commerce, our crews cover roofing work in Los Angeles, San Diego, San Jose, and San Francisco. If you are in a neighboring city and want a Commerce-standard quote, we bring the same written pricing and the same live-person phone answer to every job we take.

Serving Commerce, CA - Our Local Coverage Area

We’re based in the Commerce 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 Commerce

Why Commerce Chooses Brennan Roofing

We set the standard for roofing company in Commerce.

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 Commerce

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 Commerce - 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 Commerce Customers Say

Trusted by homeowners across Commerce and surrounding areas.

★★★★★

"Neat, quiet, and disciplined crew. Magnet swept the yard after."

Tonya R. · Verified customer
★★★★★

"Replaced the underlayment and drip edge as well as shingles. Many roofers skip that. Everything was explained in writing."

Barry F. · Verified customer
★★★★★

"Crew lead is a veteran and runs the job like it. Showed up at 7 sharp, tarped the garden, tore off the old roof, and had the new shingles on by the end of day two."

Joe K. · 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.

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Written Price Before Any Work Starts

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Included

Written Guarantee on Every Repair

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Free

Free Second Visit if the Repair Fails

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(361) 320-9467

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