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

Staten Island ADU Guide: NYC Best-Kept Secret

Staten Island has 11,500 eligible lots, the largest in NYC, and the lowest ADU build costs. Here is why it is the best borough.

By NYCADU TeamMarch 19, 2026

staten island

borough guide

Bronx ADU Guide: Affordable Building in the Borough

The Bronx has 6,100 ADU-eligible properties with lower land costs and some of the highest ROI for ADU construction in NYC.

By NYCADU TeamMarch 19, 2026

bronx

borough guide

NYC ADU Property Tax: What Changes When You Build

NYC offers a $200K tax exemption for 5 years on new ADUs, plus Class 1 caps protect you from spikes. Here is what to expect.

By NYCADU TeamMarch 19, 2026

taxes

property tax

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ADU Insurance in NYC: What Coverage Do You Need?

From builder risk during construction to landlord policies, here is what ADU insurance costs and what coverage you actually need.

By NYCADU TeamMarch 19, 2026

insurance

costs

How to Hire an ADU Contractor in NYC

License checks, insurance verification, red flags, and contract tips. The complete guide to hiring an ADU contractor in NYC.

By NYCADU TeamMarch 19, 2026

contractors

hiring

ADU Financing: Plus One vs HELOC vs Construction Loan

Side-by-side comparison of Plus One grants, HELOCs, and construction loans for NYC ADU projects. Find the best fit for you.

By NYCADU TeamMarch 19, 2026

financing

comparison

Pre-Approved ADU Plans Reviewed: Which One Is Right for You?

We review all 10 pre-approved NYC ADU plans. Best for small lots, best value, and best for families. Specs and comparisons inside.

By NYCADU TeamMarch 19, 2026

plans

reviews

NYC ADU Timeline: How Long Does It Really Take?

Realistic NYC ADU timeline: 12-24 months from first call to first rent check. Week-by-week breakdown of every phase.

By NYCADU TeamMarch 19, 2026

timeline

permits

ADU Rental Income by Neighborhood: Where's the Best ROI?

Top 10 NYC neighborhoods ranked by ADU return on investment with real rental numbers, build costs, and payback periods.

By NYCADU TeamMarch 19, 2026

rental income

roi

The Complete NYC ADU Glossary: Every Term You Need to Know

30+ ADU terms decoded, from FAR and BBL to PLUTO and AMI. The plain-English guide to NYC ADU jargon and abbreviations.

By NYCADU TeamMarch 19, 2026

glossary

education

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