Buildings news update

October 29, 2021


service notices





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Deadline Approaching to Hack The Building Code

Have a great idea on how to improve New York City's buildings and construction sites? We want to hear about it!

Apply for our "Hack The Building Code" innovation challenge, which is asking the public for their best ideas on ways we can improve how we can design, construct and maintain our city of over 1.1 million buildings.

Winners of this innovation challenge will receive DOB technical support and assistance in introducing their technology to NYC's design and construction industries.

Apply Today

The deadline to submit your application is November 3rd, 2021.

New Customer Service Hours at DOB

Beginning Monday, November 1st, 2021, all DOB customer service locations in New York City, except the Licensing Unit, will be be operating with new public office hours for in-person and drop-off transactions, open Monday through Friday, 8:30 am to 12:00 pm. The licensing Unit will continue to conduct transactions with members of the public by appointment until 2:00 pm.

The DOB Records Rooms in all borough offices will be closed from Monday, November 1st until Friday, November 5th. An additional Service Notice will be posted with further updates.

Read our Service Notice

Property Owner's Guide to Resolving an OATH Summons

On Friday, November 12th, property owners in New York City are invited to join us for a live DOB webinar event, providing a deep dive into how to resolve specific OATH summonses issued by DOB, including work without a permit issues and illegal conversions.

This educational webinar, presented by DOB staff, will provide information about certifying the correction of these kinds of violations, so owners can avoid additional summonses and penalties.

Sign up for the afternoon session on 11/12/21 at 12pm

Sign up for the evening session on 11/12/21 at 6pm

Check out the full calendar of upcoming online events, and sign-up to attend by visiting

New Energy Letter Grades

This is your final reminder, large buildings in New York City must post their 2021 Energy Efficiency Letter Grades at their public entrances by Sunday, October 31st. Failure to post your letter grade sign may result in a violation.

These letter grade signs provide a quick snapshot of a building's energy efficiency in an easy to understand format for building owners, tenants and members of the public.

Read our Service Notice

Print Out Your Letter Grade Sign on the DOB NOW Public Portal

Melanie E. La Rocca Commissioner

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