Blog

Expert guides, zoning updates, and everything you need to know about building an ADU in New York City.

NYC Just Legalized ADUs: What Every Homeowner Needs to Know

New York City has officially opened the door for homeowners to build accessory dwelling units. Here is everything you need to know about Local Laws 126 and 127, who qualifies, and how to get started.

By NYCADU TeamMarch 19, 2026

adu basics

nyc housing

city of yes

Get the ADU Dispatch

Weekly ADU news, permit stats, and expert insights — straight to your inbox.

Ready to explore your ADU options?

Check if your property is eligible in under 2 minutes.

Check Eligibility Book a Consultation