General contractors in Islandia, NY 11749

14 general contractors, with local market data for this ZIP.

Area profitability, construction53 / 100Strong market, crowded field
Typical home value$645,000+8.9% in the past year
New homes permitted, 20251,399Suffolk County
Homeowners96.0%1,241 households

Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.

Avari Project Management IncConstruction company · 1930 Veterans Hwy, Islandia(516) 740-1500 · AvariPM.com
East Coast Paving CorpGeneral contractor · 48 Sampson Ave, Islandia(631) 615-7381 · enterprisepaving.com
Forte ConstructionGeneral contractor · 1770 Motor Pkwy, Islandia(631) 589-8600 · fortecc.com · 1 driver, 6 trucks
Green Audit USAGeneral contractor · 74 Bridge Rd, Islandia(631) 813-4446 · Greenauditusa.com · 6 drivers, 3 trucks
LMJ Management and ConstructionConstruction company · 66 Enter Ln, Islandia(631) 224-8894 · lmjcontracting.com
Long Island ContractorsGeneral contractor · 1930 Veterans Memorial Hwy, Islandia(631) 579-2927 · avaripm.com
NABCO EntrancesGeneral contractor · 3180 Express Dr S, Islandia(631) 981-2365 · nabcoentrances.com
Stalco ConstructionConstruction company · 1316 Motor Pkwy, Islandia(631) 234-3598 · stalcoconstruction.com
Vincon Electrical CoGeneral contractor · 85 Hoffman Ln, Islandia(631) 761-8484 · vinconelectric.com · 1 driver, 1 truck
Chimney By QuickstartConstruction company · Islandia(631) 348-7920 · 4 drivers, 1 truck
Extreme Source ConstructionConstruction company · 1455 Veterans Memorial Hwy, Islandia(516) 681-4800
Frade ConstructionConstruction company · Islandia(631) 232-0959 · 1 driver, 1 truck
GLG Construction Co Of SuffolkConstruction company · Islandia(631) 234-3210 · 1 driver, 2 trucks
Greyhawk Construction ServicesConstruction company · Islandia(631) 327-1566 · 1 driver, 2 trucks
Syntek Construction Services IncConstruction company · Islandia(631) 254-3078 · 1 driver, 1 truck

Construction in ZIP 11749 at a glance

Local building angle: Suffolk County permitted 1,399 new homes in 2025, including 287 apartment units. 8% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.