Cold Spring Harbor, Suffolk County
Home builders in Cold Spring Harbor.
Long Island Homeworks has built dormers, additions, and new homes in a picturesque North Shore hamlet where historic homes command premium addition and renovation work.
Serving Cold Spring Harbor since 2008
Suffolk + town permits handled
4.9★ / 243 reviews
Walk-through in Cold Spring Harbor
Frank or Kevin visits personally — East End coverage included.
Licensed & Insured
Nassau + Suffolk
4.9-Star Google Rating
243+ reviews
618+ Projects
Since 2008
BBB A+ Accredited
No complaints on file
What We Build in Cold Spring Harbor
Dormers, additions & custom homes
Dormer Additions
Full shed and Cape-style dormers in Cold Spring Harbor. Town permit handled, framed and watertight same day.
Learn moreHome Additions
Second stories, rear builds, primary suites, in-law suites, kitchen extensions in Cold Spring Harbor.
Learn moreNew Home Construction
Ground-up custom homes and tear-down rebuilds in Cold Spring Harbor. Fixed-price contracts.
Learn moreAlso Serving Nearby
Huntington Lloyd Harbor Oyster Bay Laurel Hollow
Ready to build in Cold Spring Harbor?
Free on-site consultation. Permits handled. East End coverage for new construction.
Mon–Fri, 7am to 6pm | Saturdays by appointment · Call or text anytime