Home builders in Manhasset.
Long Island Homeworks has built dormers, additions, and new homes in a Gold Coast village of mature estates — a frequent setting for tear-down rebuilds and luxury new construction.
Walk-through in Manhasset
Frank visits personally — no travel fees in Nassau.
Dormers, additions & custom homes
Dormer Additions
Full shed and Cape-style dormers in Manhasset. Town permit handled, framed and watertight same day.
Learn moreHome Additions
Second stories, rear builds, primary suites, in-law suites, kitchen extensions in Manhasset.
Learn moreNew Home Construction
Ground-up custom homes and tear-down rebuilds in Manhasset. Fixed-price contracts.
Learn moreFrequently Asked Questions About Building in Manhasset
Do you build dormers in Manhasset Hills and Manhasset, NY?
Yes — we serve all of Manhasset, Manhasset Hills, Flower Hill, and Plandome Manor. Long Island Homeworks holds Nassau County license H-1609230000 and has completed dormer and addition projects on Gold Coast colonials, Tudor revivals, and expanded ranches throughout the area. Manhasset properties fall under the Town of North Hempstead building department for permits — we pull every permit and manage the process end to end.
How much does a dormer cost in Manhasset, NY?
Dormer additions in Manhasset typically run $72,000–$130,000 depending on width, structural complexity, and interior finish scope. Premium Gold Coast properties with custom millwork, plaster, and high-end finishes run higher. A full shed dormer converting a Manhasset colonial half-story to a primary suite runs $80,000–$105,000 with permits. Frank provides a fixed-price written contract at the scoping visit.
Do I need a permit for a dormer in Manhasset?
Yes. Manhasset is in the Town of North Hempstead building department jurisdiction. Structural dormer additions and full second-story additions require a building permit from North Hempstead Town Hall. Lisa, our permit coordinator, prepares all drawings and filings. Typical turnaround is 4–8 weeks.
How long does a dormer project take in Manhasset?
Design and Town of North Hempstead permitting takes 8–16 weeks. Once permits are in hand, a typical shed dormer on a Manhasset colonial takes 6–10 weeks to complete — framing, roofing, insulation, windows, drywall, and finish. You receive a Gantt chart at the scoping visit with every milestone.
What builders work in Manhasset Hills and Manhasset, NY?
Long Island Homeworks serves all of Manhasset, Port Washington, Great Neck, Roslyn, and Flower Hill. We have completed 618 projects across Nassau and Suffolk since 2008 — Nassau license H-1609230000, 4.9-star Google rating from 243 reviews, $4M general liability insurance.
Ready to build in Manhasset?
Free on-site consultation. Permits handled. No travel fee in Nassau County.
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