General contractors in Flanders, NY 11901
41 general contractors, with local market data for this ZIP.
General contractors 41Concrete and masonry 20Carpentry, drywall and windows 8HVAC 7Electricians 4Remodeling 4Roofing and exteriors 4Flooring and tile 3Other construction trades 3Fences and decks 3Garage doors 2Painting 1Excavation and demolition 1
Area profitability, construction55 / 100Moderate market, crowded field
Typical home value$656,000+4.8% in the past year
New homes permitted, 20251,399Suffolk County
Homeowners70.2%11,404 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Bluefin General ContractingGeneral contractor · 131 W Main St, Riverhead(917) 930-8644 · bluefingc.com
Construction ConsultantsConstruction company · 36 E 2nd St, Riverhead(631) 727-6604 · ccliinc.com
Edward Boutross IncConstruction company · 73 Longview Dr, Riverhead(800) 395-2400 · edwardboutross.com
FMF ConstructionGeneral contractor · Riverhead(631) 241-7646 · fmfconstruction.net
Guazhambos constructionConstruction company · 1000 W Main St, Riverhead(631) 680-5491 · guazhambosconstruction.com
Hamptons Expert PaintingGeneral contractor · 149 Ostrander Ave, Riverhead(631) 764-1632 · hamptonsexpertpainting.com
Islandia Pools Ltd.General contractor · 108 Fishel Ave, Riverhead(631) 727-6312 · islandiapools.com · 1 driver, 1 truck
JP Drywall Spackle And Painting ServicesConstruction company · -, Mattituck(631) 905-2594 · jpdrywallspackleandpaintingservices.com
MJR RenovationsGeneral contractor · Rise Life Services, 901 E Main St, Riverhead(631) 268-4877 · mjrrenovations.com
Oddon DrywallGeneral contractor · 34 Wildwood Trl, Riverhead(631) 599-0444 · oddondrywall.com
Peconic Kitchen And BathGeneral contractor · 118 Marcy Ave, Riverhead(631) 369-0700 · peconickitchens.com
Riverhead EstatesGeneral contractor · 135 Northern Pkwy, Riverhead(631) 369-7499 · riverhead.net
Sheds long islandConstruction company · 1129 Cross River Dr, Riverhead(631) 384-2980 · thecedarsheds.com · 2 drivers, 2 trucks
Terry Contracting and MaterialsGeneral contractor · 1146 Osborn Ave, Riverhead(631) 727-0170 · terrycontracting.com · 5 drivers, 5 trucks
The cedar shedsGeneral contractor · 1129 Cross River Dr, Riverhead(631) 384-2980 · thecedarsheds.com · 2 drivers, 2 trucks
The Highlands ClubHome builder · 517 Hartmanns Farm Rd, Riverheadbeechwoodhomes.com
Valdespino Contracting corpGeneral contractor · Mill Rd., Riverhead(516) 818-5155 · valdespinocontractingcorp.com · 2 drivers, 2 trucks
Arizaga Construction IncConstruction company · Flanders(631) 353-1946 · 1 driver, 1 truck
B Marascia Construction CorporationConstruction company · Riverhead(631) 591-2489 · 1 driver, 1 truck
B S L Construction CorpConstruction company · Riverhead(631) 680-5166 · 2 drivers, 1 truck
CC ConstructionConstruction company · Riverhead(631) 346-7448 · 1 driver, 1 truck
CNK Construction IncConstruction company · Riverhead(631) 335-2934 · 1 driver, 1 truck
Copper Crafts Inc.General contractor · 216 Raynor Ave, Riverhead(631) 369-5660 · 2 drivers, 1 truck
Correct Construction IncConstruction company · Riverhead(631) 953-1463 · 1 driver, 1 truck
Cut Above Landscaping And Construction CorpConstruction company · Riverhead(631) 255-8085 · 1 driver, 1 truck
D CH ConstructionConstruction company · Riverhead(631) 381-8128 · 1 driver, 1 truck
D.S. Cornerstone Builders Corp.Construction company · 400 Ostrander Ave, Riverhead(631) 384-2061
Danny's Cesspool ServicesConstruction company · 229 Horton Ave, Riverhead(631) 727-6325 · 1 driver, 2 trucks
Diamond Builders CM IncConstruction company · Riverhead(631) 902-5294 · 2 drivers, 3 trucks
Egan Marine Construction LLCConstruction company · Riverhead(631) 745-8633 · 2 drivers, 2 trucks
Galdamez R-G-S ConstructionConstruction company · Riverhead(631) 276-6316 · 1 driver, 1 truck
Genesis Landscaping & Construction CorpConstruction company · Riverhead(631) 384-4543 · 1 driver, 2 trucks
Hickory Construction CorpGeneral contractor · 72 Maple Ave, Southampton(631) 384-2632
Jgarcia Construction IncConstruction company · Riverhead(631) 461-2590 · 4 drivers, 2 trucks
Jireh Builder CorporationConstruction company · Riverhead(631) 384-1169 · 1 driver, 1 truck
Jordan IrrigationGeneral contractor · 55 Herricks Ln, Riverhead(631) 722-8285
Joseph S Manco RemodelingGeneral contractor · 77 Woodhull Ave, Riverhead(631) 394-5289
JVF Construction & Landscaping CorpConstruction company · Riverhead(516) 815-1107 · 2 drivers, 3 trucks
Osc ConstructionConstruction company · Riverhead(631) 496-0937 · 1 truck
Pereira ConstructionConstruction company · Flanders(631) 369-0347 · 1 driver, 1 truck
RG Pro Construction CorpConstruction company · Riverhead(631) 384-7245 · 1 driver, 2 trucks
Tabor ConstructionConstruction company · Riverhead(516) 852-0546 · 1 driver, 1 truck
Construction in ZIP 11901 at a glance
Local building angle: Suffolk County permitted 1,399 new homes in 2025, including 287 apartment units. 26% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.