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★★★★★ 5/5 from 354+ reviews

Professional Thornton Roof Installation & Repair. Free Estimates

Architectural shingles, metal roofing, flat roof systems. We do it all. Free estimates, no pressure. Ever.

📞 (877) 349-1553
24+
Years
500+
Projects
5
Rating
24+
Years Experience
500+
Projects Completed
5
Star Rating (354+ Reviews)
Licensed & Insured

Our Services

Our Roofing Services

Professional Roofing solutions for residential and commercial properties in Thornton.

roof replacement
FREE ESTIMATE

Roof Replacement

We don't do shortcuts on replacements. Tear off the old roof, check the decking for soft spots, install synthetic underlayment, drip edge, starter strip, shingles, ridge vent. The whole system. Your roof is only as good as the layers underneath.

roof repair
SAME-DAY

Roof Repair

Missing shingles cause water intrusion through the exposed underlayment and decking. We don't just replace the missing shingle. We check the deck for moisture damage with a Protimeter pin meter, replace any compromised underlayment, and weave new CertainTeed Landmark shingles into the existing pattern.

storm damage repair
LICENSED

Storm Damage Repair

Storm damage claims in Washington have a 1-year filing window with most carriers. Don't wait. We'll inspect your roof, document the damage, and help you file before the deadline. If there's no damage, we'll tell you that too.

new roof installation
TOP RATED

New Roof Installation

New construction or an addition? We install new roofing systems from scratch. Decking inspection, ice and water shield, synthetic underlayment, ventilation calculations, and whatever material you want on top. Shingles, metal, or flat.

metal roofing
GUARANTEED

Metal Roofing

Metal roofing costs more upfront at $12-$22 per sq ft installed in Thornton compared to $4-$8 for shingles. But it lasts 2-3x longer and your energy bills drop 15-25%. Math works out over time.

shingle roofing
INSURED

Shingle Roofing

Designer shingles like GAF Camelot and Owens Corning Berkshire mimic slate and cedar shake. Higher cost than standard architectural, but the look is incredible. We install all designer profiles in Thornton.

flat roofing
FREE ESTIMATE

Flat Roofing

Flat roof leaks usually happen at penetrations, seams, or flashing details. We locate the source, repair it properly, and coat the surrounding area. If the membrane is shot, we'll recommend replacement. Not a band-aid.

commercial roofing
SAME-DAY

Commercial Roofing

Our Thornton commercial crews handle everything from small retail strip centers to 50,000 sq ft warehouses. TPO, EPDM, modified bitumen, metal. We're certified installers for all major commercial membrane systems.

gutter installation
LICENSED

Gutter Installation

Clogged gutters cause fascia rot. We see it on every other house in Thornton. We install new gutters with proper pitch, adequate downspout capacity, and optional gutter guards if you're done cleaning them twice a year.

roof inspection
TOP RATED

Roof Inspection

Buying a home in Thornton? Get an independent roof inspection before you close. Home inspectors look at the roof from the ground with binoculars. We get on it. Big difference.

emergency roof repair
GUARANTEED

Emergency Roof Repair

Fallen tree limb damage requires structural assessment before repair. We check rafter integrity, decking condition, and whether the ceiling joists below were impacted. If structural members are cracked or displaced, you need a framing carpenter before we re-roof. We coordinate with trusted Thornton contractors for structural work. Insurance carriers require separate line items for structural vs. roofing repairs. We document both.

skylight installation
INSURED

Skylight Installation

We install, replace, and repair skylights in Thornton homes. Fogged glass, cracked frames, persistent leaks around old skylights. We fix it all. Sometimes replacing a 20-year-old skylight is cheaper than trying to repair it.

Ready to Get Started?

(877) 349-1553

Free Estimates • Available 24/7 • Licensed & Insured

Why Choose Thornton Roofing & Maintenance?

Trusted by homeowners and businesses across Thornton.

GAF Master Elite Contractor

Only 3% of roofers earn this certification. It means we can offer the Golden Pledge warranty: 25-year workmanship plus 50-year materials. Best warranty in roofing, full stop.

Manufacturer Certified

GAF Master Elite, Owens Corning Preferred, CertainTeed SELECT ShingleMaster. We carry certifications from the big three. That means factory-trained crews and the best available warranties.

Written Warranty

Manufacturer warranty plus our workmanship warranty in writing. If something fails because of our installation, we come back and fix it at no charge. Period.

Clean Job Sites

We run magnetic nail sweeps three times. Once during tear-off, once after install, once before we leave. Tarps on the ground, dump trailer in the driveway. Your yard looks the same when we're done.

Our Work

Recent Projects

View All Projects →

Simple Process

How It Works

1

Schedule Your Inspection

Before we quote anything, we inspect everything. Shingles, flashing, pipe boots, ridge vent, soffit, gutters. You get a full written report with photos.

2

No-Surprise Quote

You get a written proposal with material specs, labor breakdown, timeline, and total cost. The number on the quote is the number you pay. No change orders, no hidden fees.

3

Expert Installation

We build your roof the way manufacturers require for full warranty coverage. Every layer matters. Ice and water shield, synthetic underlayment, starter strip, field shingles, hip and ridge caps.

4

Your Approval

We register your GAF, Owens Corning, or CertainTeed warranty directly with the manufacturer so it's active from day one. Your workmanship warranty from us starts the same day.

Verified Reviews

What Our Customers Say

★★★★★ 5/5 from 354+ reviews
★★★★★

"Got three quotes for a roof replacement. Thornton Roofing & Maintenance was the middle price but the only one who actually got on the roof and showed me photos. Everyone else just eyeballed it from the driveway."

E
Eric N.
Thornton
★★★★★

"Storm chasers were going door to door after the hailstorm. Called Thornton Roofing & Maintenance instead because they're actually from Thornton. Got a fair deal and a warranty that means something."

S
Stephanie W.
Thornton
★★★★★

"Needed emergency tarping after a tree hit our roof. They were there in about 3 hours. On a Saturday. Tarped the whole section, removed the branch, and had a crew out Monday morning for the repair."

R
Rachel M.
Thornton

Service Areas

Areas We Serve

Roofing Thornton and Hamilton, Leavenworth, Metaline, Orondo, Richland for 24+ years. Every roof we install gets the same attention whether it's across town or across the county.

Hamilton Leavenworth Metaline Orondo Richland Springdale Waldron Asotin Chehalis Doty

FAQ

Frequently Asked Questions

The shingles carry the manufacturer's warranty. Typically 30-50 years for architectural shingles. Our installation warranty covers any defects in our workmanship. If something goes wrong because of how we installed it, we fix it at no cost. Both warranties are in writing and we provide them at the final walkthrough.

Yes. One day is standard for most residential jobs. We start early, work efficiently, and finish before dark. If your roof is larger than 40 squares or has a complex layout, it might push to day two. Either way, we seal everything watertight before we leave each night.

Catch the water with a bucket, move valuables out of the drip zone, and call us at (877) 349-1553. Don't get on the roof yourself. It's dangerous and you probably can't fix it permanently anyway. We respond to emergency leaks within 24 hours in Thornton and tarp the area to stop further damage.

Age is the biggest factor. If your shingles are 20+ years old and you're seeing curling, cracking, or granule buildup in the gutters, it's time. Other red flags: leaks, missing shingles, daylight in the attic, and your neighbors all getting new roofs (same-age homes in a subdivision often need replacement around the same time).

A typical Thornton home with a 25-35 square roof runs $10,000-$18,000 for a full tear-off and install with architectural shingles. Steep-pitch homes and multi-story homes cost more because of safety requirements and access difficulty. Metal roofing is $12-$22 per sq ft. We quote exact numbers, not ranges.

Have more questions? Call (877) 349-1553

SAME-DAY APPOINTMENTS AVAILABLE

Get Your Free Roof Inspection Today

24/7 emergency service. Most appointments available within 48 hours.

Call Now — Free Estimate
📞 (877) 349-1553

★★★★★ 5/5 from 354+ Reviews  ·  Licensed  ·  Insured

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