Dormers Nassau County, NY

Turn Wasted Attic Space Into Real Living Space

Add a bedroom, office, or bathroom without losing your yard. We build custom dormers that match your home, fit your budget, and actually get finished on time while meeting your wants and needs.

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Why Choose Us

What Sets Us Apart

We Actually Answer the Phone

Call, text, or reach out—you’ll get a response. No disappearing acts, no voicemail runarounds. Just real communication when you need it most.

Owner On-Site Every Day

Ray Coleman works on your project personally. You’re not handed off to a crew you’ve never met. He’s there, making sure it’s done right.

Clean Sites, Professional Crews

Job sites get cleaned up daily. Your home stays livable during construction. No debris sitting around for weeks making your life harder.

Over 50 Years in Nassau County

Since 1972, we’ve been building dormers and handling renovations across Nassau County. Local codes, local homes, local expertise.

Dormer Installation Nassau County, NY

Space You Can Actually Use, Light You've Been Missing

A dormer is more than just a window sticking out of your roof. It’s a way to reclaim square footage you’re already paying taxes on but can’t actually live in. Most Nassau County, NY homes especially Cape Cods, Colonials, and ranch-style houses have attics with sloped ceilings that make the space cramped and dark. A dormer changes that. It raises the roofline, adds windows, and turns unusable space into a bedroom, office, or bathroom. Dormers work within your existing footprint, which matters when lot sizes are tight and zoning rules limit how far you can build out. You’re not losing yard space or dealing with setback issues. You’re going up, not out. And if you’ve looked into moving lately, you already know what that costs. Between real estate commissions, closing costs, and the hassle of uprooting your family, staying put and expanding makes a lot more sense. The process involves cutting into your existing roof, framing the dormer structure, integrating it with your roofline, and finishing the interior. It’s not simple, but it’s also not as disruptive as a full second-story addition. Most dormer projects wrap up in 4 to 12 weeks, depending on size and scope. And when it’s done right, it looks like it was always part of the house.

Our Services

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Whole House Renovations Nassau County

The Details That Actually Matter

You get a bedroom, bathroom, or office where there used to be wasted attic space collecting dust and holiday decorations.

Natural light pours in through dormer windows, making upper floors feel bigger and less like a cave you're trying to avoid.

Your home's value goes up—dormers typically add 10 to 20 percent to resale value and recover 40 to 75 percent of costs.

You avoid the nightmare of moving: packing, real estate commissions, uprooting kids from schools, and settling into a new neighborhood.

Better airflow and ventilation on upper floors where heat gets trapped, making the space more comfortable year-round.

Your home's curb appeal improves with architectural detail that makes the house look finished, not like a flat-roofed box.

Types of Dormers We Build

The Right Dormer for Your Home and Budget

Not all dormers are the same. The style you choose affects how much space you gain, how much natural light comes in, and how the finished project looks from the street. Gable dormers are the most common—they have that classic triangular roof and work well on Cape Cods and Colonials. They're great for adding a single window and some headroom without a massive structural overhaul. Shed dormers have a single sloped roof and can span most of the roofline, which means you gain serious square footage. If you're converting an attic into a full bedroom or bathroom remodel, a shed dormer usually makes the most sense. Hip dormers have three sloping sides and blend smoothly with the rest of the roof. They look elegant and work well if you want the addition to feel seamless. Eyebrow dormers are smaller and curved—they add charm and a bit of light but don't create much usable space. Then there are flat-roof dormers, which are more modern and maximize headroom. Each style has trade-offs in cost, complexity, and the amount of space you gain. The right choice depends on your home's architecture, your budget, and what you're trying to accomplish. We walk through these options with you during the consultation so you're not guessing.

Dormer Construction Process

How We Build Your Dormer Without Wrecking Your Life

Dormer construction starts with a site evaluation. Ray comes out, looks at your roof structure, checks the attic framing, and talks through what you're trying to create. From there, the design gets finalized and permits get pulled. Nassau County requires building permits for dormers since they're structural changes, and we handle that process so you don't have to chase down approvals. Once permits are in hand, the real work begins. The crew sets up scaffolding, removes shingles from the section where the dormer will go, and carefully cuts into the roof. Temporary supports go in to keep everything stable while the dormer gets framed. The front wall, side walls, and roof structure go up, then the exterior gets closed in with sheathing, roofing, and siding that matches your house. Windows get installed, flashing goes in to prevent leaks, and the exterior gets finished. Inside, insulation, drywall, electrical, and paint bring the space to life. The goal is to get the exterior weathertight as fast as possible so your home isn't exposed to the elements. Most projects take 4 to 12 weeks depending on size, weather, and any surprises that come up when we open the roof. Throughout the process, the job site gets cleaned up daily. You're living in the house during construction, and nobody wants to trip over debris or deal with sawdust everywhere.

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