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Long Island

Riverhead Building Supply Has Locations In Suffolk and Nassau Counties

Riverhead Building Supply has locations throughout Suffolk County and has one location in Nassau County. Contact or visit the location nearest you the next time you need high quality building supplies and services.

Riverhead

1093 Pulaski Street
Riverhead, NY 11901
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Phone: 631-727-3650
Fax: 631-727-7713

Hours of Operation:
Monday - Friday: 6:30 am - 5:00 pm
Saturday: 6:30 am - 3:00 pm
East Hampton

21 Railroad Avenue
East Hampton, NY 11937
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Phone: 631-324-0300
Fax: 631-324-0880

Hours of Operation:
Monday - Friday: 7:00 am - 6:00 pm
Saturday: 7:00 am - 3:00 pm
Sunday: 8:00 am - 1:00 pm
Greenport

74500 Main Road
Greenport, NY 11944
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Phone: 631-477-1906
Fax: 631-477-1038

Hours of Operation:
Monday - Friday: 7:00 am - 5:00 pm
Saturday: 7:00 am - 3:00pm
Sunday: 8:00 am - 1:00 pm
Hampton Bays

165 West Montauk Highway
Hampton Bays, NY 11946
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Phone: 631-728-0307
Fax: 631-728-0993

Hours of Operation:
Monday - Friday: 7:00 am - 5:00 pm
Saturday: 7:00 am - 3:00 pm
Hauppauge

400 Motor Parkway
Hauppauge, NY 11788
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Phone: 631-231-1600
Fax: 631-231-1601

Hours of Operation:
Monday - Friday: 7:00 am - 4:30 pm
Saturday: 7:00 am - 12:00 pm
Mineola

303 Roslyn Road
Mineola, NY 11501
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Phone: 516-747-8090
Fax: 516-747-8925

Hours of Operation:
Monday - Friday: 7:00 am - 5:00 pm
Saturday: 7:00 am - 3:00 pm
Montauk

94 Industrial Road
Montauk, NY 11954
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Phone: 631-668-6800
Fax: 631-668-6805

Hours of Operation:
Monday - Friday: 7:00 am - 4:30 pm
Saturday: 7:00 am - 3:00 pm
Sunday: 8:00 am - 1:00 pm
Northport

219 Laurel Avenue
Northport, NY 11768
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Phone: 631-261-8700
Fax: 631-996-3340

Hours of Operation:
Monday - Friday: 7:00 am - 5:00 pm
Saturday: 7:00 am - 3:00 pm
Southampton

40 Powell Avenue
Southampton, NY 11968
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Phone: 631-283-2000
Fax: 631-283-2270

Hours of Operation:
Monday - Friday: 7:00 am - 5:00 pm
Saturday: 7:00 am - 3:00 pm
Southampton Showroom

25 Powell Avenue
Southampton, NY 11968
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Phone: 631-283-2000
Fax: 631-287-9503

Hours of Operation:
Monday - Friday: 8:00 am - 5:00 pm
Saturday: 8:00 am - 3:00 pm
Long Island Corporate Headquarters

250 David Court
Calverton, NY 11933
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Phone: 631-727-1400
Fax: 631-727-6361

Hours of Operation:
Monday - Friday: 8:00 am - 5:00 pm
Manufacturing & Millwork Facilities*

962 Burman Boulevard
Calverton, NY 11933
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269 Butter Lane
Bridgehampton, New York 11932
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Phone: 631-996-3450
Fax: 631-996-3451

Hours of Operation:
Monday - Friday: 7:00 am - 4:00 pm

*Special Instructions for Delivery to our Calverton Manufacturing and Millwork Facility

*** Please Note: In order to abide by town weight regulations, all delivery vehicles must take the following route to our Calverton facility. Please refrain from using Long Island Expressway Exit 69 North ***

  • From the Long Island Expressway, take Exit 68: William Floyd Parkway north.
  • Continue on William Floyd Parkway north to Route 25.
  • Take exit ramp on right to Route 25 east.
  • Continue on Route 25 east, passing the Calverton National Cemetary on the left.
  • Look for the entrance to Enterprise Park at Calverton on the right
  • Follow the access road into the Enterprise Park. Riverhead Building Supply is on the left.