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.
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62. 429 Atlantic Ave Freeport
UnclaimedNo reviews yetGeneral ContractorOceanside
3500 Hampton Rd Unit A, Oceanside
69. Barco Building Industries Inc
UnclaimedNo reviews yetGeneral ContractorFarmingdale
141 Merritts Rd Unit 3, Farmingdale
70. Craft Specialty Corp
UnclaimedNo reviews yetGeneral ContractorNew Hyde Park
117 S 4th St, New Hyde Park
72. Diamond Housecraft Vinyl Sdng
UnclaimedNo reviews yetGeneral ContractorMerrick
11 Lansdowne Ave, Merrick
73. Eclipse Screens of NY Corp
UnclaimedNo reviews yetGeneral ContractorPlainview
25 Cain Dr, Plainview
74. Express Contracting of Neck
UnclaimedNo reviews yetGeneral ContractorManhasset
983 Northern Blvd, Manhasset
75. Fine Finish Construction Inc
UnclaimedNo reviews yetGeneral ContractorMassapequa
676 Broadway Ste 1, Massapequa
76. Frank Costanza Contracting
UnclaimedNo reviews yetGeneral ContractorWantagh
3001 Burns Ave, Wantagh
77. Gateway Insulation Inc
UnclaimedNo reviews yetGeneral ContractorFarmingdale
141 Merritts Rd Unit 2, Farmingdale
79. International Testing Blncng
UnclaimedNo reviews yetGeneral ContractorSeaford
3941 Merrick Rd, Seaford
80. Island Bay Construction Corp
UnclaimedNo reviews yetGeneral ContractorFreeport
10 Taylor St, Freeport
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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
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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.