Build an ADU on Your NYC Property
Check if your property qualifies, browse pre-approved plans, and get expert guidance — from permit to move-in.
Why Build an ADU?
NYC's new ADU law creates an unprecedented opportunity for homeowners.
Boost Property Value
ADUs can add $100K–$300K in property value and generate $1,500–$3,000/month in rental income.
Pre-Approved Plans
Skip months of design review with HPD pre-approved plans that are ready to build.
Faster Permitting
Pre-approved plans qualify for expedited DOB review, cutting months off your timeline.
Vetted Contractors
We match you with licensed, insured contractors who specialize in NYC ADU construction.
How It Works
From eligibility check to move-in day in four simple steps.
1. Check Eligibility
Enter your address and we'll instantly check your zoning, lot size, FAR, and building class against NYC ADU requirements.
2. Choose a Plan
Browse HPD pre-approved architectural plans or get custom design guidance tailored to your property.
3. Get Expert Help
Our consultants guide you through permits, connect you with vetted contractors, and manage the process.
4. Build Your ADU
From groundbreaking to final inspection, we're with you every step of the way.
Ready to Check Your Property?
It takes 30 seconds. Enter your address and find out if you can build an ADU.