Roofing Company in Monrovia, CA | Brennan Roofing

Roofing Company in Monrovia - 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
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Complete Upgrade

Fast, Reliable Roofing Company Across Monrovia

Roof replacement in Monrovia typically runs $11,000 – $19,000 for an average single-story ranch or Craftsman, and roof repair usually lands between $450 and $1,600 depending on what failed. Those are real numbers from jobs we’ve scoped in this city, not call-for-a-surprise figures. We know Monrovia roofs differently than a crew that just punches the address into GPS. The foothill exposure, the age of the housing stock, the way wind moves through the canyons above Hillcrest and Scenic Drive – those details change how a roof should be installed here, and they change what we put in writing before any work starts. Call (361) 320-9467 to get a firm price on paper.

Call (361) 320-9467

Brennan Roofing operates under The Garrison Standard. That means a written price before any work begins, background-checked uniformed technicians who show up inside the promised window, and a 365-Day Done Right Promise on every job, in writing. We’re an independently owned Roofing Company member of the Garrison Partners family, founded in 2000. Monrovia is one of the cities we serve from our Los Angeles dispatch office, and our crews know the streets here: Myrtle, Foothill, Huntington, Canyon Boulevard, the hillside blocks where the driveways climb and an equipment hauler needs to be staged right.

Why Brennan Roofing Is Monrovia’s Preferred Roofing Company

Monrovia homeowners call us after other roofers have burned them. No-show appointments. A quote that says one number on the phone and another at the door. A crew that leaves shingle wrappers in the flower beds. That’s the part of the trade we refuse to participate in. Our price goes on paper before any work starts, and it does not move at the door. You’ll know the exact number for your roof before you ever let someone up a ladder.

The technicians we send into Monrovia are background-checked and arrive in uniform. When you open the door, you know who’s on your roof and why they’re there. Travis Oakley leads our team with a simple rule: every job gets the same standard, whether it’s a small repair near Library Park or a full replacement in the hills off Grand Avenue. And if it’s not done right, we make it right. Our 365-Day Done Right Promise is written into every contract: one full year, free return visit at no charge if anything fails within that period. No exceptions, no fine print.

For Monrovia specifically, local knowledge matters. A roofer who doesn’t understand how Santa Ana winds behave as they channel through the base of the San Gabriel Mountains won’t know to check wind-rating on the shingles for a home on a canyon-facing slope. A roofer who only works the flat San Gabriel Valley might not see why a south and west-facing roof near Scenic Drive shows accelerated UV wear. We see it because we’ve climbed it. That’s why Monrovia homeowners call us.

Metal Roof Installation in Monrovia

Metal Roof Installation in Monrovia is a smart long-term play for foothill homes that take full afternoon sun, because standing seam and metal shingle systems reflect heat instead of absorbing it like asphalt does. A full metal roof in Monrovia typically runs $18,000 – $32,000 depending on the roof’s slope, the number of valleys and penetrations, and whether the existing decking can carry the system. Metal holds up to wind far better than shingles when it’s properly clipped and seamed, which matters on blocks where canyon gusts find every loose edge. The catch is that metal must be installed by a crew that understands thermal movement and flashing detail, or you’ll trade one problem for another.

Standing Seam Systems for Foothill Exposure

Standing seam is the workhorse for hillside homes. The raised seams run vertically, which means wind has less to grab, and the concealed fasteners don’t back out the way exposed screws eventually do. On a west-facing slope above Hillcrest, that’s the difference between a roof that lasts 40-plus years and one that starts rattling in the first big windstorm.

Metal Shingle and Stone-Coated Steel

For homeowners who want the performance of metal without the industrial look, stone-coated steel and metal shingle profiles replicate the appearance of tile, shake, or slate at a lighter weight than the real thing. That weight difference matters on some of Monrovia’s older homes where the framing wasn’t designed to carry heavy tile. It’s a real option, not a compromise, and we scope it honestly when it fits the house.

Residential Roofing in Monrovia

Residential Roofing in Monrovia means working with the houses that actually exist here: Craftsman bungalows from the 1910s and 1920s, mid-century ranches, and newer infill builds, each with different decking, different slope, and different failure modes. A typical asphalt shingle re-roof on a Monrovia ranch runs $11,000 – $16,000, and a bungalow with a steeper pitch and more flashing detail lands closer to $14,000 – $19,000. The price depends on decking condition, the number of roof penetrations, and whether we’re tearing off one layer or two. We put every number on paper before work begins, so you’re not guessing.

Tear-Off and Re-Decking for Older Homes

Many of Monrovia’s older homes still have original wood shingle or shake under whatever was nailed over it decades ago. Before we quote, we check whether that decking can carry new architectural shingles, because added weight can void the manufacturer’s wind rating on a foothill home. If the decking is rotted or too thin, we scope replacement and put that in the written quote. No surprise change orders.

Craftsman Bungalow Roof Details

Bungalows here have steep pitches, dormers, and complex rooflines, which means more flashing, more valleys, and more handwork. The eave returns and exposed rafter tails were built with real detail, and a good roof respects that. We install ice and water shield in the valleys and around chimneys and skylights, because that’s exactly where the first winter rain finds a gap in Monrovia.

Trusted Brands We Service in Monrovia

We install and service roofing materials from GAF, CertainTeed, Owens Corning, Atlas, and Tamko, and we explain the differences plainly so you can choose without a sales pitch. For Monrovia’s foothill wind conditions, we often recommend Atlas Pinnacle or CertainTeed Landmark architectural shingles with upgraded wind ratings, and for metal work we lean on lines that hold their finish under intense afternoon UV. We stock common parts locally for Monrovia customers, so when a repair is straightforward, we’re not waiting a week on a warehouse. You get the right material, the right rating, and a real warranty, not a mystery product from a discount bin.

Common Roofing Problems We See in Monrovia Homes

  • First-rain leaks at chimneys and skylights. A dry summer bakes old flashing and sealant until it cracks and pulls away. The first real rain in November or December finds the gap, and suddenly the ceiling stain appears. We find these on original chimneys all over the foothill neighborhoods, especially on older bungalows near Scenic Drive and Hillcrest.
  • Wind-lifted shingle edges on canyon-facing slopes. Santa Ana gusts funnel through the canyons at the base of the San Gabriels, and they grab shingle tabs that a calmer city never tests. Homes on the north and east edges of Monrovia near the foothills see this more than houses closer to Duarte Road.
  • UV-baked asphalt shingles on south and west exposures. Monrovia gets intense afternoon sun, and roofs facing those directions wear out years before the north slope of the same house. We scope replacement by exposure, not just by square footage, because the south slope may need to be addressed while the north slope still has life left.
  • Old wood shingle or shake hidden under newer layers. It’s common here. A homeowner thinks they have one layer of composition shingles, and underneath there’s original shake from the 1920s. That changes the tear-off scope, the weight calculation, and sometimes the decking replacement plan. We catch it before quoting so you’re not surprised on install day.

Pricing for Roofing Company in Monrovia, CA

Roof repair in Monrovia runs $450 – $1,600 for most jobs: flashing replacement, valley repair, shingle replacement on wind-lifted slopes, leak sealing around penetrations. A full asphalt shingle re-roof on a standard Monrovia ranch or bungalow lands between $11,000 and $19,000. Metal roof installation runs $18,000 – $32,000. The variables are real: decking condition under the old roof, number of chimneys and skylights, slope steepness, and whether we’re tearing off one layer or multiple. Every quote we write for a Monrovia home is line-itemed and fixed. You get the number before any work starts, and it stays that number. Call (361) 320-9467 for a free estimate with real dollar figures.

We Also Serve Cities Near Monrovia

Our crews handle roofing work in Monrovia and the surrounding communities. We’re regularly in Arcadia, Duarte, Sierra Madre, and Baldwin Park, where the housing stock and foothill conditions create similar roofing demands. If you’re in one of those cities, the same Garrison Standard applies: written pricing before work starts, background-checked uniformed technicians, and the 365-Day Done Right Promise on every job. Call (361) 320-9467 and we’ll schedule your estimate.

Serving Monrovia, CA - Our Local Coverage Area

We’re based in the Monrovia 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 Monrovia

Why Monrovia Chooses Brennan Roofing

We set the standard for roofing company in Monrovia.

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 Monrovia

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 Monrovia - 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 Monrovia Customers Say

Trusted by homeowners across Monrovia and surrounding areas.

★★★★★

"Storm took off a section of shingles. They were here next morning to tarp it and finished the repair that week."

Elaine D. · Verified customer
★★★★★

"Ridge vent added and the attic is cooler. Fair price compared to the other two quotes."

Vernon C. · Verified customer
★★★★★

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

Tonya R. · Verified customer

Current Offers

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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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