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โ˜…โ˜…โ˜…โ˜…โ˜… 4.8/5 from 453+ reviews

Professional Alleghany Roof Repair & Replacement | 23+ Years

Full tear-off and replacement down to the roof deck. Ice and water shield, synthetic underlayment, new flashing. No shortcuts. Serving Alleghany and Santa Clarita, Templeton, Windsor, Benicia, Castro Valley.

23+
Years
500+
Projects
4.8
Rating
23+
Years Experience
500+
Projects Completed
4.8
Star Rating (453+ Reviews)
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Licensed & Insured

Our Services

Our Roofing Services

Full-service roofing contractor in Alleghany โ€” from asphalt shingle roof replacement and emergency hail damage repair to metal roofing, flat roof systems, and gutter installation. Every project is installed by manufacturer-certified crews with workmanship warranties.

roof replacement
FREE ESTIMATE

Roof Replacement

Full tear-off down to the decking, inspect every board, replace what's rotten, and install a complete roofing system from ice and water shield up. Most residential jobs finished in 1-2 days.

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

Hail, wind, fallen branches. California storms do real damage to roofs. We respond within 24 hours, tarp exposed areas to prevent further damage, and start your insurance claim with a detailed inspection report.

new roof installation
TOP RATED

New Roof Installation

We install new roofs on new construction, room additions, detached garages, and covered patios. Our Alleghany crews handle residential and light commercial. Standard install time is 1-3 days depending on size.

metal roofing
GUARANTEED

Metal Roofing

We install 24-gauge and 26-gauge standing seam in Galvalume and pre-painted steel. Concealed fastener system means nothing's exposed to weather. Panels lock together at the seam and clip to the roof deck.

shingle roofing
INSURED

Shingle Roofing

GAF Timberline HDZ architectural shingles with StrikeZone nailing area. The highest-selling shingle in North America. Impact-rated to UL 2218 Class 4 when installed with the full GAF Roof System. Our Alleghany crews install Timberline in the full system configuration to qualify for Golden Pledge warranty. ASTM D3462 and D7158 Class H certified.

flat roofing
FREE ESTIMATE

Flat Roofing

We repair and install flat roofs on Alleghany homes, garages, commercial buildings, and additions. TPO for reflectivity, EPDM for budget, PVC for chemical resistance near restaurants and kitchens.

commercial roofing
SAME-DAY

Commercial Roofing

We install Carlisle SynTec TPO and EPDM membrane systems with full Carlisle manufacturer warranties. Our Alleghany commercial roofing crews are factory-trained and authorized. TPO seams are hot-air welded at 900+ degrees. The weld is stronger than the membrane itself. Ponding water? We install tapered ISO insulation to create positive drainage per NRCA guidelines.

gutter installation
LICENSED

Gutter Installation

Improperly sized gutters cause fascia board rot and foundation erosion. We calculate gutter capacity using the rainfall intensity formula: roof square footage x pitch factor x rainfall rate (inches/hr for Alleghany). Standard 5" K-style handles 5,520 sq ft of effective roof area. Bigger roofs or steeper pitches need 6" gutters with 3x4" downspouts. We hang with hidden hangers screwed into rafter tails every 24".

roof inspection
TOP RATED

Roof Inspection

Buying a home in Alleghany? 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

Most emergency roof repairs in Alleghany are storm-related. High winds rip off ridge caps and shingles. Fallen limbs puncture the decking. We respond fast, tarp the damage, and coordinate the permanent fix. Including insurance paperwork if applicable.

skylight installation
INSURED

Skylight Installation

Skylight replacement is often better than repair on units over 15 years old. VELUX FCM curb-mount replacement skylights install on the existing curb frame. No structural modification needed. Low-E laminated glass with argon fill for energy efficiency. Solar-powered blinds available for light control. VELUX No Leak guarantee when installed with the complete flashing system. Your Alleghany home gets more light, better insulation, and a proper warranty.

Why Choose Alleghany Roofing & Maintenance?

Trusted by homeowners and businesses across Alleghany.

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.

Financing Available

A new roof is a big expense. We offer 12-month same-as-cash and low-interest financing through GreenSky and Hearth. Get your roof done now, pay over time.

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.

23 Years in Alleghany

We've been roofing Alleghany homes since before half these companies had a website. 23 years means we know the local codes, the weather patterns, and the materials that hold up here.

Our Work

Recent Projects

roof replacement project

Roof Replacement

Alleghany, CA

roof repair project

Roof Repair

Alleghany, CA

storm damage repair project

Storm Damage Repair

Alleghany, CA

View All Projects โ†’

Simple Process

How It Works

1

Schedule Your Inspection

We climb up, walk the entire roof, and document what we find with photos and measurements. Takes about 30 minutes. You'll see exactly what we see.

2

Detailed Quote

Our Alleghany estimator builds your proposal same-day in most cases. Includes material options, warranty comparison, and a realistic timeline for your specific roof.

3

Expert Installation

Dumpster arrives at 7 AM. Tarps on the landscaping. Tear-off starts immediately. New ice and water shield, underlayment, drip edge, shingles, ridge vent. All in sequence.

4

Quality Check

Our project manager does a final inspection against the manufacturer's installation checklist. We register your warranty the same day. You get the paperwork within a week.

Verified Reviews

What Our Customers Say

โ˜…โ˜…โ˜…โ˜…โ˜… 4.8/5 from 453+ reviews
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"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."

P
Paul H.
Alleghany
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"I'm a contractor and I use Alleghany Roofing & Maintenance for all my roofing subs. Their installs pass inspection every time. Their crew lead has been doing this 20+ years and it shows."

M
Mark E.
Alleghany
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"Alleghany Roofing & Maintenance did our roof 4 years ago and I just had them do my mom's house too. Same quality, same crew lead actually. That tells you something about the company."

D
Dan V.
Alleghany

Service Areas

Areas We Serve

Roofing Alleghany and Santa Clarita, Templeton, Windsor, Benicia, Castro Valley for 23+ years. Every roof we install gets the same attention whether it's across town or across the county.

Santa Clarita Templeton Windsor Benicia Castro Valley Drytown Glendale Keene Lytle Creek Nicolaus
J

Meet the Owner

Jason Phillips

Owner & Lead Contractor

Jason has been serving Alleghany for over 23 years, building a reputation on honest work, fair pricing, and crews that treat every home like their own. What started as a one-truck operation has grown into a full-service Roofing company โ€” but the values haven't changed.

"We don't cut corners. Every job gets the same attention to detail whether it's a small repair or a complete replacement. That's how you earn 453+ five-star reviews."

License #1090231 23+ Years Experience Locally Owned & Operated

FAQ

Frequently Asked Questions

Poor ventilation causes premature aging. If your attic runs hot in summer and your shingles are curling at 15 years, bad ventilation is probably why. Missing shingles cause water intrusion and accelerate everything. We do a free inspection and give you a straight answer: repair, plan for replacement in 2-3 years, or replace now.

Here's the process: we inspect your roof for free, document any storm damage with photos, and help you file the claim. Your insurance company sends an adjuster. We meet them on-site and walk the roof together. If approved, we do the work at the agreed price. If the estimate seems low, we supplement it with additional documentation.

A typical Alleghany 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.

Manufacturer warranties range from 30 years to lifetime depending on the shingle line. Our workmanship warranty covers our labor and installation for the term stated in your contract. The best combo is the GAF Golden Pledge: 50-year material plus 25-year workmanship. That's what being a Master Elite contractor gets you.

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.

Have more questions? Call (877) 586-1316

SAME-DAY APPOINTMENTS AVAILABLE

Get Your Free Roof Inspection Today

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

📞 Call (877) 586-1316

โ˜…โ˜…โ˜…โ˜…โ˜… 4.8/5 from 453+ Reviews  ยท  Licensed  ยท  Insured