Residential Roofing · Westchester County, NY

Roofing Contractor Westchester County, NY.

Your roof protects your home and everyone and everything you love inside it.

Whether you’re replacing an aging roof or building a custom home, our roofing team can help you choose the right roofing system for your home’s architecture, budget, and unique needs. From asphalt shingles and standing-seam metal to cedar, copper, and slate, every roof we install is built to withstand Northeast weather and deliver lasting value.

Established

1979

Google Rated

4.9★

Homes Served

10k+

Licensed & Insured

Trusted by homeowners since 1979

Complete Roofing System Services in Westchester County

The homes in Westchester aren’t all the same, and neither are the roofing systems that belong on them.

From the Tudors of Scarsdale and Bronxville to the Victorians of Tarrytown and the stone estates of Bedford, this county is filled with homes that were built long before today’s cookie-cutter subdivisions. Many originally featured slate, cedar, copper, and architectural details that deserve careful consideration when it’s time for a replacement.

A contractor who treats every roof the same can do real damage to a home’s appearance and long-term value.

We take a different approach, because a Scarsdale Tudor isn’t a Yonkers two-family. A Bedford estate isn’t a postwar ranch in White Plains. The right roof starts with understanding the home beneath it.

That’s local knowledge. That’s Westchester roofing. That’s A&J Reliable.

What Westchester does to a roof

Ice dams. Cold, snowy winters plus older homes with weak attic insulation and ventilation is the classic Westchester recipe for ice dams — meltwater backing up under the shingles and into the ceiling below. Half of what we fix here traces back to ventilation, not the shingle.
Freeze-thaw. The constant winter cycle of melt and refreeze pries at flashing, valleys, and aging slate. Small gaps become leaks fast.
Mature tree canopy. Westchester's tree cover is part of why people love it — and why north-facing slopes grow moss and algae, gutters clog, and debris traps moisture against the roof.
Nor'easters. Coastal Sound-side towns from Rye to Mamaroneck take wind and wind-driven rain that finds every weak seam.

What this means for your roof estimate

We don’t quote a roof off a photo. On a Westchester home we’re looking at the attic ventilation, the existing decking under that 40-year-old slate, the flashing around the dormers and chimneys these houses are full of, and whether your village sits in a historic or architectural-review district that limits your material and color before you even choose one.

Four reasons Westchester homeowners have trust us with their roof replacement since 1977.

Forty-five years of residential roofing across NY, NJ, and CT — and a process built around the families living underneath.

Specialists, not generalists.

Forty-five years roofing the specific houses Westchester is built from. We know the steep-pitch work, the slate-and-cedar restorations, and the ventilation fixes these older homes actually need.

We build relationships, not transactions.

Most of our Westchester work comes from homeowners we roofed years ago — and from their neighbors. That’s the standard: the kind of work that earns the next call on your street.

Forty-five years of proof.

Thousands of tri-state homes since 1979. Read the testimonials, check the reviews, drive past the work. The track record speaks louder than any sales pitch.

Premium products, no compromises.

We install only what we’d put on our own homes — industry-leading systems from the major shingle, metal, and copper manufacturers. Form, function, and longevity, never one without the others.

ROOFING MATERIALS

Five Roofing Systems that Work in Westchester.

No two homes in Westchester are the same. A Colonial in Chappaqua, a Tudor in Scarsdale, and a riverfront estate in Tarrytown all have different architectural styles, maintenance expectations, and budgets. That’s why we help homeowners choose the roofing system that fits both the house and the way they plan to live in it.

Asphalt Roofing Shingles

Metal Roofing

Premium Performance · 50+ Year Lifespan

Standing-seam metal roofing delivers clean architectural lines, exceptional durability, and outstanding snow-shedding performance. Popular on contemporary homes, farmhouses, and custom residences, metal roofs are built to withstand harsh Northeast weather while providing a distinctive look that sets a home apart.

Copper Roofing

Architectural Landmark · 100+ Year Lifespan

Few roofing materials make a statement like copper. Favored on historic homes, luxury estates, and architectural accents, copper develops a rich natural patina that becomes more beautiful with age. It’s a material chosen not simply for protection, but for the character and craftsmanship it brings to a home.

Cedar Roofing

Authentic Beauty · Naturally Insulating

Cedar roofing offers a warmth and texture that no manufactured material can replicate. Over time it weathers into a distinctive silver-gray finish that complements traditional and period architecture. For homeowners who value authenticity and curb appeal, cedar remains one of the most beautiful roofing systems available.

Slate & Synthetic Slate

Heritage Appearance · Exceptional Longevity

Westchester is home to some of the Northeast’s finest slate roofs. We restore natural slate where preserving history matters and install premium synthetic slate where homeowners want the same timeless appearance with reduced weight and maintenance. Both offer remarkable beauty and longevity when matched to the right home.

Not Sure Which Roofing Material Is Right for Your Home?

The best roof isn’t always the most expensive one. It is the one that complements your home’s architecture, fits your long-term plans, and performs well in our local climate. Our roofing specialists can walk you through the options and help you make a confident decision.

OUR ROOFING PROCESS

Four steps from first call to final inspection. Since 1979, every Westchester project has followed the same proven process. No surprises, no shortcuts, no contractor games.

1. Free Roof Inspection

We inspect the roof, the attic, and the ventilation to find the real problem, not just the symptom.

2. Review Your Custom Quote

A quote built for your specific home and project, in plain language.

3. Installation

Specialist crews, premium materials, your property protected start to finish.

4. Final Inspection

We don’t leave until it’s right, and we follow up after.

TOWNS WE SERVE IN WESTCHESTER

Forty-five years of local relationships across the county. We know the architectural-review rules in Bronxville, the slate stock in Scarsdale, and how a hard winter punishes a north-facing slope in the river towns. Find your town below — chances are we’ve already roofed a house on the next street over.

See the work, then call us.

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FAQ (Westchester-specific)

Do I need a permit to replace my roof in Westchester?

Yes — roof replacements require a permit, and requirements vary by municipality. We handle the permitting as part of the job and know the local building departments well after forty-five years here.

My house is in a historic or architectural-review district. Does that limit my options?

It can. Villages like Bronxville and parts of Scarsdale and Rye have review boards that weigh in on roofing material and color. We’ll tell you what’s allowed before you fall in love with a product you can’t use.

Why do I keep getting ice dams every winter?

Almost always attic ventilation and insulation, not the shingles. It’s one of the most common issues we see on older Westchester homes — and we fix the cause, not just the leak.

My slate roof is leaking — do I have to replace the whole thing?

Not necessarily. Slate can last a century, and targeted restoration is often the right call. We’ll tell you honestly whether it’s worth saving or whether synthetic slate is the smarter long-term move.

How long will a new roof last here?

Architectural shingles run 20 years, metal a century-plus, copper and slate longer still. Westchester’s freeze-thaw winters make proper installation and ventilation the real driver of how long you actually get.