GENERAL CONTRACTORSHOLBROOK3 LISTED
Let your fingers do the walking.NASSAU · SUFFOLK · NYC EDGE

General Contractors in Holbrook, NY

3 general contracting businesses with a listing in Holbrook, NY. Listed A to Z. Nobody pays to sit higher.

B
Blue Line Industries, Inc.
Holbrook, NY(631) 750-5995
General contracting, facilities maintenance, building construction, equipment sales and…
G
Gary Courtier
Holbrook, NY(631) 563-9200
HOME IMPROVEMENTS
L
L & J General Construction
Holbrook, NY(646) 272-9811
Roofing, gutters, siding, brick fence, foundation, demolition, renovation

Permits, licensing & utilities

Official sources for Holbrook, NY. Links go to the agency's own page. Last checked September 2026.
Suffolk County Office of Consumer Affairs
Home improvement, plumbing & electrical licensesOpen →
Suffolk County Department of Health Services
Septic / I/A systems, water-quality reviewsOpen →
Suffolk County Water Authority
Water service, backflow requirements (Suffolk)Open →
PSEG Long Island
Electric service, new connections, outagesOpen →
National Grid — Long Island (gas)
Gas service, meter work, gas emergenciesOpen →
Dig Safely New York — Call 811
Required before excavation; free utility mark-outOpen →

Which town am I in?

Long Island addresses use hamlet names (e.g. "Hicksville") but permits come from the town (Oyster Bay) or an incorporated village. If you're not sure, look up the address on the county assessor's site or ask the town clerk before you file.

General Contractors in nearby towns

Bohemia, NY4

Other trades in Holbrook

All 6 businesses in Holbrook · All General Contractors on Long Island & NYC