Certificate of Occupancy

New York City skyline for article about NYC building permits and DOB NOW

Risk & Regulatory October 12, 2026

NYC Building Permits – What does NB, Alteration Type I, II, III and Directive 14 Mean?

A practical guide to understanding New York City building permit terminology, including the older terms you may still hear on projects. In DOB NOW, most…

Approved stamp representing certificate of occupancy approval

Risk & Regulatory October 6, 2011

How To Obtain A Certificate of Occupancy

What is a Certificate of Occupancy? A Certificate of Occupancy (CO) indicates the following: 1. The building or suite meets current building code requirements. 2. The…