Find a licensed fence or deck builder in Smithtown, NY

Who licenses fence and deck builders in Smithtown

• Suffolk's home improvement law names fencing and also reaches other improvements to structures or land that are part of residential property. A business doing that work needs a county license unless an exemption applies.
• Fence and deck contractors who work in Suffolk without a license can face arrest and prosecution, according to Consumer Affairs.

State rules and the lookup steps: how to check a fence or deck builder's license.

What the Town of Smithtown requires

• A fence over 4 feet tall needs a permit, and no fence, wall or berm, alone or combined, may be taller than 6 feet.
• A fence no higher than 4 feet above natural or approved grade may go on any part of a lot.
• Decks over 8 inches high need a permit, measured from the lowest point of the natural or approved grade.
• Decks, porches, fences and outdoor kitchens are all on Smithtown's online residential application list.

The Town of Smithtown Building Department handles permits ((631) 360-7520). Our Town of Smithtown permit guide covers how to apply, inspections and certificates.

Homes in Smithtown: what the Census shows

Across the Town of Smithtown, villages included, the median home was built in 1968, and 24% of homes were built before 1960. 86% of homes here are single-family detached houses, and 89% are owner-occupied.

What fence and deck work costs here

Labor is a large part of any price. Long Island carpenters earn a median $78,841 a year, from about $54,732 at entry level to $97,440 with experience. Fence erectors earn a median $35,717 a year, from about $35,360 at entry level to $54,150 with experience. (New York State Department of Labor, wages updated to the first quarter of 2026.) Prices come from written estimates; more in the fences and decks cost guide.

Before you hire in Smithtown

• Ask for the license number the work needs here (see who licenses fence and deck builders above), and check it before you sign.
• Ask who files with the Town of Smithtown Building Department, and who books the inspections.
• Do you have a current survey of my lot, so the fence stays on my side of the line?
• For a pool: does the fence meet the pool barrier rules, gates included?