Everything you need to know about ADUs.

Every NYC homeowner considering an ADU asks the same question: what happens to my property taxes? Here's the real math, minus the worst-case assumptions.

Can your property have a backyard ADU? Haven's eligibility tool checks 14 zoning and geometric criteria within seconds. Here's what each check means, with a real Astoria property as an example.

NYC’s City of Yes zoning reform lets homeowners build detached backyard ADUs. Learn the eligibility rules, size limits, and zoning restrictions. Check if your property qualifies.

Everything NYC homeowners need to know about building a detached backyard ADU — eligibility, rules, design, financing, and timeline. Check if your property qualifies with Haven’s free eligibility tool.