Find a pro in Smithtown
Find a licensed shed builder in Smithtown, NY
Who licenses shed builders in Smithtown
- Suffolk's home improvement law is not limited to the trades it lists: its definition extends to other improvements to structures or upon land within residential property.
State rules and the lookup steps: how to check a shed builder's license.
What the Town of Smithtown requires
- Smithtown's building FAQ requires a building permit for a detached residential storage or tool shed exceeding 144 square feet and 12 feet in height.
- Smithtown's common residential structures chart, dated August 30, 2019, requires a permit for a shed over 50 square feet, which conflicts with the FAQ's 144 square foot line.
- Under Smithtown's building FAQ, accessory structures other than sheds need permits once they exceed 50 square feet, and they must meet zoning.
- Smithtown's online permit system groups carports, detached garages, gazebos, outdoor kitchens and sport courts as accessory structures.
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. 89% of homes here are owner-occupied, and 86% are single-family detached houses.
What shed building 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. (New York State Department of Labor, wages updated to the first quarter of 2026.) Prices come from written estimates; more in the sheds cost guide.
Before you hire in Smithtown
- Ask for the license number the work needs here (see who licenses shed builders above), and check it before you sign.
- Ask who files with the Town of Smithtown Building Department, and who books the inspections.
- What base or footings will you use?
- Is delivery, assembly and removal of the old shed included?
More for Smithtown
- All trades in Smithtown
- Town of Smithtown permit guide
- Roofing in Smithtown
- Heating and cooling in Smithtown
- Plumbing in Smithtown
- Electrical in Smithtown
- Water damage repair in Smithtown
- Basement waterproofing in Smithtown
- Fences and decks in Smithtown
- Junk removal and demolition in Smithtown
- Standby generators in Smithtown
- Driveways, pavers and masonry in Smithtown
- Tree service in Smithtown
Sheds across Long Island
Questions homeowners ask
Does a shed builder need a license in Smithtown, NY?
Suffolk's home improvement law covers improvements to structures or land that are part of residential property, not only its named trades.
What does the Town of Smithtown require for shed building?
Smithtown's FAQ puts the shed permit line at 144 square feet and 12 feet tall; a 2019 chart says 50 square feet. Smithtown's 2019 structures chart requires a shed permit over 50 square feet, unlike the FAQ. Smithtown requires a permit for any non-shed accessory structure larger than 50 square feet.
How much does a shed builder cost in Smithtown?
No public agency prices shed building job by job. The price comes from written estimates after a licensed pro sees the job. For context, Long Island carpenters earn a median $78,841 a year, from about $54,732 at entry level to $97,440 with experience.
How old are the homes in Smithtown, NY?
The median home in the Town of Smithtown was built in 1968, and 24% were built before 1960, according to Census Bureau estimates for 2020-2024.
Sources
Every fact on this page comes from these official pages. Rules and fees change, so confirm with the office before you file anything.
- NYS Department of State, Exemptions from the Uniform Code (PDF) (read 2026-11-03; page dated March 05, 2024)
- Suffolk County Consumer Affairs, Home Improvement License Law (PDF) (read 2026-11-03; page dated 5/25)
- Town of Smithtown, Building Department FAQs (read 2026-11-03)
- Town of Smithtown, Common Residential Structures chart (PDF) (read 2026-11-03; page dated August 30, 2019)
- Town of Smithtown, Online Residential Building Permits (read 2026-11-03)
- U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates: year built, heating fuel, tenure, units and value (Smithtown town) (read 2026-11-03)
- New York State Department of Labor, Occupational Wages (Long Island region, wages updated to the first quarter of 2026) (read 2026-11-03)
Checked 2026-11-03. Facts come only from the official pages listed, read on that date.
Talk the job through before you call anyone
Tell us about the house and the job in about four minutes. Revival calls you, free, to go over the scope, the budget, the timing and your town's permit office. Contractor matches open as our first licensed partners sign.