Home builders in Plainview.
Long Island Homeworks has built dormers, additions, and new homes in a mid-Nassau hamlet with large lots and a strong demand for full second-story additions.
Walk-through in Plainview
The owner visits personally — no travel fees in Nassau.
Dormers, additions & custom homes
Dormer Additions
Full shed and Cape-style dormers in Plainview. Town permit handled, framed and watertight same day.
Learn moreHome Additions
Second stories, rear builds, primary suites, in-law suites, kitchen extensions in Plainview.
Learn moreNew Home Construction
Ground-up custom homes and tear-down rebuilds in Plainview. Fixed-price contracts.
Learn moreFrequently Asked Questions About Building in Plainview
Do you build dormers in Plainview, NY?
Yes — Plainview is a core service area for Long Island Homeworks. We hold Nassau County HIC #198901 and have built dormer additions on the split-levels and hi-ranches along South Oyster Bay Road, Old Country Road, and Central Park Road. Plainview falls under Town of Oyster Bay building department jurisdiction — we pull every permit and manage the filing from drawings through inspection sign-off. No travel fees in Plainview.
How much does a dormer cost in Plainview, NY?
Dormer additions in Plainview typically range from $58,000 to $95,000 depending on the scope. A standard shed dormer on a 1960s Plainview split-level — converting a cape-style half-story into full headroom — typically runs $62,000–$78,000 with permits included. A full second-story addition on a ranch typically runs $130,000–$180,000. The owner provides a fixed-price written contract so the number doesn't change after you sign.
Do I need a permit for a dormer in Plainview?
Yes. Plainview is in the Town of Oyster Bay building department jurisdiction. Structural dormers and second-story additions require a building permit. Our permit coordinator, our permit coordinator, prepares the architectural drawings and manages all filings with the Town of Oyster Bay. Typical permit turnaround is 4–8 weeks. Permit fees are itemized in your estimate, not a surprise at the end.
How long does a Plainview dormer addition take?
Design and Town of Oyster Bay permitting takes 8–14 weeks. Once permits are issued, a standard dormer on a Plainview split or cape takes 6–9 weeks to complete — framing, roofing, insulation, windows, drywall, and paint. A full second-story addition runs 4–6 months. We build a Gantt chart at the scoping visit so you have a milestone schedule from day one.
What general contractors near me work in Plainview, NY?
Long Island Homeworks serves all of Plainview. We've been building dormers, second-story additions, and custom homes across Nassau County since 2007 — 618 completed projects, 4.9 average rating, Nassau HIC #198901. We also serve nearby Hicksville, Syosset, Bethpage, Woodbury, and Old Bethpage with no travel surcharge.
Ready to build in Plainview?
Free on-site consultation. Permits handled. No travel fee in Nassau County.
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