Home builders in Oyster Bay.
Long Island Homeworks has built dormers, additions, and new homes in a historic waterfront village where heritage homes frequently get renovated and expanded.
Walk-through in Oyster Bay
Frank visits personally — no travel fees in Nassau.
Dormers, additions & custom homes
Dormer Additions
Full shed and Cape-style dormers in Oyster Bay. Town permit handled, framed and watertight same day.
Learn moreHome Additions
Second stories, rear builds, primary suites, in-law suites, kitchen extensions in Oyster Bay.
Learn moreNew Home Construction
Ground-up custom homes and tear-down rebuilds in Oyster Bay. Fixed-price contracts.
Learn moreFrequently Asked Questions About Building in Oyster Bay
Do you build dormers in Oyster Bay, NY?
Yes — we serve all of Oyster Bay, including Oyster Bay Cove, Laurel Hollow, and Locust Valley. Long Island Homeworks holds Nassau County license H-1609230000 and has completed dormer and addition projects on Oyster Bay's historic waterfront colonials, Victorians, and newer custom homes. Oyster Bay is its own village with separate building department from the Town of Oyster Bay — we know both jurisdictions and manage all permits end to end.
How much does a dormer cost in Oyster Bay, NY?
Dormer additions in Oyster Bay typically run $70,000–$120,000 depending on scope and finish level. Historic or architecturally distinctive properties often require matched materials and custom millwork that push costs higher. A full shed dormer on an Oyster Bay colonial converting a half-story to a primary suite runs $78,000–$105,000 with permits included. Frank provides a fixed-price written contract.
Do I need a permit for a dormer in Oyster Bay, NY?
Yes. The incorporated Village of Oyster Bay has its own village building department, separate from the Town of Oyster Bay. Structural dormer additions require a building permit from the village office. Some Oyster Bay properties in historic areas also require architectural review. Lisa, our permit coordinator, handles all filings for both village and town jurisdictions. Typical turnaround is 4–8 weeks.
How long does an Oyster Bay dormer project take?
Design and permitting takes 8–16 weeks in Oyster Bay depending on whether village review is required. Once permits are in hand, a typical shed dormer takes 6–9 weeks to complete. You receive a Gantt chart at the scoping visit with all milestone dates.
What home builders serve Oyster Bay, NY?
Long Island Homeworks serves all of Oyster Bay, Oyster Bay Cove, Laurel Hollow, Locust Valley, and Cold Spring Harbor. We have been building dormers, additions, and custom homes on Long Island's North Shore since 2008 — 618 projects, Nassau license H-1609230000, 4.9-star Google rating.
Ready to build in Oyster Bay?
Free on-site consultation. Permits handled. No travel fee in Nassau County.
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