Cost of accessory dwelling unit — New York, NY
Last updated: September 24, 2026
What affects the price
Building an ADU involves variables that shift your total investment. The footprint size and complexity of the architectural design are primary factors. Are you planning a detached unit that requires new utility trenching, or is this a garage conversion that uses existing plumbing? Site accessibility, soil conditions, and your choice of finishes—like luxury flooring versus standard options—also play significant roles. Permitting fees vary widely depending on your local municipality and current zoning requirements. Exact pricing confirmed free on the call.
About this service
Building an ADU involves several variables that shift your final total, such as the size of the unit, whether you choose a detached structure or a garage conversion, and the complexity of your site’s plumbing and electrical needs. We help you navigate these choices to keep your project on track. Exact pricing confirmed free on the call.
Frequently asked in New York
How can I find an affordable ADU option in New York?
What are the rules for renting out an accessory dwelling unit in New York?
What services are included when I look for ADU help in New York?
Are there ADU homes that are already built in New York?
What affects the cost of building an accessory dwelling unit in New York?
How do I get a permit for an ADU unit in New York?
Also serving nearby: Jersey City · Newark · Elizabeth · Clifton · Yonkers
More on this: HUD ADU resources — ADU policy and financing research.
Service area details
Serving all of New York — population 8,258,035; about 27,484 residents per square mile across 300.5 sq mi. ZIP codes covered include 10001, 10002, 10003, 10004, 10005, 10006, 10007, 10008.
Neighborhoods served in New York: Upper East Side, Greenwich Village, Harlem, SoHo, Astoria, Bay Ridge — and every surrounding area.
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