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

NYC ADU Application: Complete Guide to Filing with DOB NOW

filing an ADU application through DOB NOW can be confusing. this step-by-step guide covers the exact workflow, required fields, job types, common mistakes, and how to avoid costly delays.

By NYCADU TeamMarch 19, 2026

permits

dob

application

The Plus One ADU Application: A Plain English Walkthrough

the Plus One ADU program just reopened with up to $395,000 in financing. the application starts with an ArcGIS intake survey that can be confusing. here's what every question means and what documents to have ready.

By NYCADU TeamMarch 19, 2026

plus one

financing

application

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