Smithtown, Suffolk County
Home builders in Smithtown.
Long Island Homeworks has built dormers, additions, and new homes in a central Suffolk town with suburban homes, large backyards, and active permit culture.
Serving Smithtown since 2008
Suffolk + town permits handled
4.9★ / 243 reviews
Walk-through in Smithtown
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 Smithtown
Dormers, additions & custom homes
Dormer Additions
Full shed and Cape-style dormers in Smithtown. Town permit handled, framed and watertight same day.
Learn moreHome Additions
Second stories, rear builds, primary suites, in-law suites, kitchen extensions in Smithtown.
Learn moreNew Home Construction
Ground-up custom homes and tear-down rebuilds in Smithtown. Fixed-price contracts.
Learn moreAlso Serving Nearby
Hauppauge Commack Kings Park St. James
Ready to build in Smithtown?
Free on-site consultation. Permits handled. East End coverage for new construction.
Mon–Fri, 7am to 6pm | Saturdays by appointment · Call or text anytime