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  1. DOB Building Information Search - New York City

    If you have any questions please review these Frequently Asked Questions, the Glossary, or call the 311 Citizen Service Center by dialing 311 or (212) NEW YORK outside of New York City.

  2. New York City - Buildings Information System

    Welcome to the Department of Buildings online query system. You can search for general information on a property in the city including recorded complaints and violations, actions, applications, and …

  3. DOB Building Information Search - New York City

    The below search does not include filings submitted in DOB NOW; use the DOB NOW Public Portal to access DOB NOW records.

  4. DOB Building Information Search - New York City

    BIS is not reflecting some transactions made April 29 - May 6, 2022, as well as limited transactions prior to April 29 due to an unexpected power outage at the City's data center.

  5. My Block - New York City

    Full Demolitions Construction Code Determination (CCD1) Zoning Resolution Determination (ZRD1) Building on My Block includes jobs and filings from the Buildings Information System only. New …

  6. DOB License, Contractor Search - New York City

    If you have any questions please review these Frequently Asked Questions, the Glossary, or call the 311 Citizen Service Center by dialing 311 or (212) NEW YORK outside of New York City.

  7. C of O PDF Listing - a810-bisweb.nyc.gov

    Back If you have any questions please review these Frequently Asked Questions, the Glossary, or call the 311 Citizen Service Center by dialing 311 or (212) NEW YORK outside of New York City.

  8. You are leaving the City of New York's Department of Buildings website

    Jan 10, 2026 · The Department of Buildings does not imply approval of the listed destinations, warrant the accuracy of any information set out in those destinations, or endorse any opinions expressed …

  9. C of O PDF Listing : ISS

    If you have any questions please review these Frequently Asked Questions, the Glossary, or call the 311 Citizen Service Center by dialing 311 or (212) NEW YORK outside of New York City.

  10. Challenge Validation - a810-bisweb.nyc.gov

    Processing your request. If this page doesn't refresh automatically, resubmit your request.