How to Build an ADU in NYC:
Step-by-Step Guide

Looking to build an Accessory Dwelling Unit (ADU) in New York City? Whether you're creating extra space for family or rental income, our process makes it easy to develop an ADU on your NYC property.

Step 1:

Feasibility Assessment for NYC ADU Project

Wondering if your New York City property is suitable for an ADU? Send us your address and a few exterior photos, and we’ll provide a free ADU feasibility assessment. We’ll help you understand your property’s potential and what type of Accessory Dwelling Unit you can build in compliance with NYC zoning laws.

Step 2:

Budgeting & Financing for NYC ADU Construction

We help property owners explore construction costs and financing options for building an ADU in NYC. Our lending partners are available for free consultations and can assist with pre-approval for ADU loans.

Step 3:

ADU Design Tailored to New York City Living

With your finances in order, our team will guide you through the design phase. Choose from our pre-designed NYC ADU layouts with transparent base pricing or collaborate with our architects to build a custom Accessory Dwelling Unit that fits your needs and budget.

Step 4:

NYC Permit Filing for Accessory Dwelling Units

We take care of ADU permit filing with the NYC Department of Buildings, ensuring your plans meet city regulations. This process usually takes 3 to 6 months, during which we prepare every detail of your project to keep construction smooth, safe, and on schedule.

Step 5:

Once your permits are approved, we finalize your construction schedule and budget. Our experienced construction team then begins building your Ancillary Dwelling Unit, focusing on quality, safety, and timely delivery. Most ADUs in NYC will be completed within 6 months, depending on size and complexity.

ADU Construction in NYC

Step 6:

Certificate of Occupancy
& Move-In

We’ll handle all final inspections and paperwork needed to secure your Certificate of Occupancy for your ADU in NYC. Once approved, your new unit is ready to be enjoyed, whether it’s for family, guests, or rental income.

Whether you're creating space for your family or making a long-term investment, our process is designed to simplify every phase of ADU development.