Find a licensed foundation repair contractor in Shelter Island, NY

Who licenses foundation repair contractors in Shelter Island

• Suffolk's home improvement law covers any repair to residential property and home raising, which it defines as any service that separates a house, or part of one, from its foundation. Doing either as a business takes a county license, barring an exemption.
• Foundation repair is not a separate entry on Suffolk's home improvement list, though basements are.
• Shelter Island requires home improvements to be performed by a licensed contractor holding a Shelter Island license.
• Shelter Island's notice to contractors says every contractor or subcontractor working on the island, landscapers included, needs a town license.
• Shelter Island takes home improvement license applications online, and a new license needs a $250 check to the town, a liability certificate naming the town as certificate holder and, if applicable, a workers' compensation certificate.

State rules and the lookup steps: how to check a foundation repair contractor's license.

What the Town of Shelter Island requires

• Shelter Island's building permit application calls for plans that are scaled and stamped by an architect or engineer.
• Shelter Island requires a survey of the premises with every permit application, though Building Department staff may waive it for repairs or interior work that does not affect setbacks.

The Town of Shelter Island Building Department handles permits (631-749-0772). Our Town of Shelter Island permit guide covers how to apply, inspections and certificates.

Homes in Shelter Island: what the Census shows

Across the Town of Shelter Island, villages included, the median home was built in 1980, and 28% of homes were built before 1960, 23% before 1940. 95% of homes here are owner-occupied, and 96% are single-family detached houses.

What foundation repair costs here

Labor is a large part of any price. Long Island cement masons and concrete finishers earn a median $65,026 a year, from about $53,234 at entry level to $82,344 with experience. Construction laborers earn a median $58,875 a year, from about $39,468 at entry level to $79,154 with experience. (New York State Department of Labor, wages updated to the first quarter of 2026.) Prices come from written estimates; more in the foundation repair cost guide.

Before you hire in Shelter Island

• Ask for the license number the work needs here (see who licenses foundation repair contractors above), and check it before you sign.
• Ask who files with the Town of Shelter Island Building Department, and who books the inspections.
• Should a licensed engineer evaluate this before anyone prices a repair?
• What causes the movement, and what will stop it coming back?