Dormers & Extensions
Dormer Contractor in Plainview, NY

Meigel Dormers & Extensions is a dormer and home extension contractor based in Plainview, NY. We build shed dormers, gable dormers, full second-story additions, and ground-floor extensions on the 1950s and 1960s Cape Cods and ranches that fill Plainview’s neighborhoods. As a local business at 100 Manetto Hill Rd, Plainview, NY 11803, we know the Plainview-Old Bethpage school district streets and the Town of Oyster Bay permit process firsthand. Call us at (631) 817-3451.
Meigel Dormers & Extensions
100 Manetto Hill RdPlainview, NY 11803
(631) 817-3451
Mon–Fri 7:00 AM – 6:00 PM · Sat 9:00 AM – 3:00 PM · Sun Closed
Dormers & Extensions in Plainview
Plainview grew almost entirely during the postwar building boom, so its housing stock is dominated by Cape Cods and ranches built in the 1950s and 1960s on lots that typically run 0.15 to 0.25 acres. Those Capes were framed with unfinished half-stories, which makes Plainview one of the strongest dormer markets in Nassau County. A shed dormer converts that half-story into two or three bedrooms and a bathroom without changing your footprint or giving up yard.
Because Plainview lots are compact, homeowners who need more than a dormer can deliver often turn to a rear extension or a full second-story addition instead. We build all of it here: shed and gable dormers on the Capes, pop-tops on the ranches, and rear or side extensions where the lot allows. Families in the Plainview-Old Bethpage Central School District tend to stay put and grow their homes rather than move, which is exactly the work we specialize in.
The projects we see most in Plainview are shed dormers that add two or three bedrooms and a bathroom to a 1950s Cape, primary suites carved out of a newly dormered second floor, and kitchen or family room extensions off the back of a ranch. Because Plainview sits right off the Long Island Expressway and the Northern State Parkway, our crews reach your street quickly, which keeps daily supervision tight and the schedule moving. When you already know the neighborhood is full of homes that have added second floors, the question is not whether your Cape can be dormered, but how you want to lay out the new space.
Learn more about our dormer additions and home extensions.
Plainview Building Permits & Regulations
Plainview falls under the Town of Oyster Bay for building permits and zoning. Every dormer and extension here needs stamped architectural and structural drawings, a building permit, and inspections through the Town of Oyster Bay, along with zoning review for setbacks and lot coverage on those quarter-acre lots. Because Plainview parcels are on the smaller side, side-yard setbacks and lot coverage limits often decide how far a ground-floor extension can reach, so we check those numbers before we draw. Meigel handles all of it, from filing the plans to responding to plan corrections and scheduling the final inspection that secures your certificate of occupancy.
Why Plainview Homeowners Choose Meigel
A Plainview Address
We are based at 100 Manetto Hill Rd in Plainview, so your project is local work for us, not a long haul from another county.
We Know Town of Oyster Bay
We file dormer and extension permits with the Town of Oyster Bay regularly and know what the reviewers expect.
Fixed-Price Written Estimates
You get a written price before we start, with no change orders unless you approve them.
One Crew, Start to Finish
The same crew frames, finishes, and trims your Plainview project. No subcontractor handoffs.
Other Nassau County Towns We Serve
Ready to Add Space to Your Plainview Home?
Free on-site consultation. Fixed-price written estimate. No pressure.
Licensed in Nassau & Suffolk County · Family Owned · Serving Long Island Since 2009
