Our Services
Six disciplines. One vertically-integrated crew. Long Island Homeworks has completed 618 projects across Nassau and Suffolk since 2007.

Dormer Additions
Full shed and Cape-style dormers, attic conversions, and framed-and-watertight-day-one additions. 170+ dormers built across Long Island since 2007.
- Shed + Cape + attic + full dormers
- Framed and watertight same day
- Town-level permits handled
- PE-stamped structural plans

Home Additions
Second-story additions, rear great rooms, primary-suite additions, kitchen extensions, bump-outs, and in-law suites. 320 built since 2007.
- Full + partial second stories
- Rear & side additions
- Primary suites + in-law suites
- Kitchen & bathroom extensions

Mother-Daughter Conversions
Mother-daughter and accessory apartment conversions across Nassau and Suffolk. The permit is the hard part — township zoning checked before we quote.
- Township zoning reviewed first
- Permits and hearings handled
- Dedicated egress to code
- Built as habitable space

Garage Conversions
Permitted garage-to-living-space conversions. Insulated, heated and finished to habitable standard inside the existing footprint.
- Parking requirements checked
- Insulated and heated to code
- Raised subfloor over slab
- Finished to match the house

Home Extensions
Ground-level rear and side extensions on a new foundation. Lot coverage and setbacks checked before design starts.
- Lot coverage checked first
- New footing and foundation
- Engineered structural plans
- Roofline matched to the house

New Home Construction
Custom homes 3,500–8,000 sq ft across Nassau, Suffolk, and the Hamptons. Tear-down rebuilds, modular custom, and luxury Gold Coast estates.
- Ground-up custom homes
- Tear-down rebuilds
- Modular & panelized custom
- Hamptons + Gold Coast luxury
Get a fixed-price quote on your project
Free estimate, no obligation. The owner or our permit coordinator will call you back within one business day.
Ready to build something great?
Free estimates. No pressure. We walk the site, sketch a plan, and give you a number.
Mon–Fri, 7am to 6pm | Saturdays by appointment · Call or text anytime
