General Contractors in Nassau County, NY
603 general contractors listed · Updated Oct 27, 2026
Compare general contractors serving Nassau County for renovations, additions and repairs, and request free quotes from local builders.
Avahere lists 603 general contractors across 59 Nassau County towns. Of these, 95 show a public phone number, 313 link to a website and 87 list a street address. The most listings are in Hicksville (33), New Hyde Park (33), Massapequa (31). None of these businesses has claimed its page yet, so the details come from public business records.
Get free quotesResults
364. Ajn Construction Corp
UnclaimedNo reviews yetGeneral ContractorIsland Park
Serves Island Park and nearby
365. Ajs Construction Corp
UnclaimedNo reviews yetGeneral ContractorWestbury
Serves Westbury and nearby
367. Allen B Johnson Contracting
UnclaimedNo reviews yetGeneral ContractorMassapequa
Serves Massapequa and nearby
368. Alliance Construction Corp
UnclaimedNo reviews yetGeneral ContractorEast Meadow
Serves East Meadow and nearby
369. Alliance Welding and Steel Fabg
UnclaimedNo reviews yetGeneral ContractorFloral Park
Serves Floral Park and nearby
370. Allied Building Corp
UnclaimedNo reviews yetGeneral ContractorHicksville
Serves Hicksville and nearby
371. American Development Group
UnclaimedNo reviews yetGeneral ContractorWest Hempstead
Serves West Hempstead and nearby
372. American Fire Restoration
UnclaimedNo reviews yetGeneral ContractorRoslyn Heights
Serves Roslyn Heights and nearby
374. Amg Environmental Restoration
UnclaimedNo reviews yetGeneral ContractorRockville Centre
Serves Rockville Centre and nearby
375. Anray Custom Builders
UnclaimedNo reviews yetGeneral ContractorPort Washington
Serves Port Washington and nearby
376. Applied Projects Co
UnclaimedNo reviews yetGeneral ContractorOyster Bay
Serves Oyster Bay and nearby
377. Ausa Contractors Inc
UnclaimedNo reviews yetGeneral ContractorGarden City
Serves Garden City and nearby
378. Award Winning Construction
UnclaimedNo reviews yetGeneral ContractorSeaford
Serves Seaford and nearby
379. Baldwin Builders Inc
UnclaimedNo reviews yetGeneral ContractorBellmore
Serves Bellmore and nearby
380. Basic Home Improvement
UnclaimedNo reviews yetGeneral ContractorNew Hyde Park
Serves New Hyde Park and nearby
Get free quotes from general contractors in Nassau County
Describe your job once. Local businesses reply, and you choose who to hire. Free for you, and no lead fees for them.
What do you need?
Get free quotesTowns with general contractors
59 Nassau County towns, A–Z. Pick yours to see local listings.
- Albertson4
- Baldwin4
- Bayville2
- Bellmore25
- Bethpage8
- Carle Place3
- Cedarhurst1
- East Meadow11
- East Norwich2
- East Rockaway1
- Elmont13
- Farmingdale8
- Floral Park13
- Franklin Square10
- Freeport16
- Garden City24
- Glen Cove11
- Glen Head7
- Glenwood Landing2
- Great Neck25
- Greenvale4
- Hempstead11
- Hewlett2
- Hicksville33
- Inwood4
- Island Park8
- Jericho13
- Lawrence1
- Levittown10
- Locust Valley3
- Long Beach10
- Lynbrook8
- Malverne3
- Manhasset9
- Massapequa31
- Massapequa Park7
- Merrick14
- Mineola16
- New Hyde Park33
- Oceanside16
- Old Westbury1
- Oyster Bay9
- Plainview26
- Port Washington17
- Rockville Centre3
- Roosevelt1
- Roslyn5
- Roslyn Heights9
- Sea Cliff3
- Seaford8
- Syosset21
- Uniondale5
- Valley Stream19
- Wantagh11
- West Hempstead11
- Westbury19
- Williston Park4
- Woodbury4
- Woodmere1
General Contractors in Nassau County: common questions
How many general contractors are in Nassau County, NY?
Do general contractors in Nassau County need a license?
How do I get quotes from general contractors on Avahere?
I run a general contractor business. How do I update my listing?
Is Avahere free?
Listings come from public business records and from business owners. Avahere does not show owner names or private contact details. Spot a mistake or want a listing removed? Remove a listing or contact us.