Building Department Reference
- New York City Dept of Buildings Home Page
- DOB - Buildings Bulletins
- DOB - Administrative Policy and Procedure Notices - APPN
- DOB - Operational Policy and Procedure Notices - OPPN
- DOB - Technical Policy and Procedure - TPPN
- Local Laws
- New York City Building Code Online
- Directives and Memorandum Index
- NY Energy Code
- Violation Codes
- NYC Tax Maps
- NYC Construction Codes Effective Dates
Policy and Procedure Notices
- PPN 1/87 - Asbestos exemptions
- PPN 10/87 - Asbestos exemptions
- PPN 1/88 - Asbestos exemptions
- TPPN 1/92 - LL 58/87 Clarifications
- OPPN 1/93 - LL 58/87
- TPPN 1/95 - Minor Alterations to and Certain LL 58/87 work
- TPPN on Condo consent
- Apartment Combinations
- ARA Information
- Fast Track Plumbing Initiative
- Accessory Bathrooms and Kitchens
- Balconies
- Elevator Vestibule Locks
- Energy Code Compliance
- Enlargements
- Greenhouse
- Open Applications
- Temp Public Assembly
- Lot Line Window Guidelines
- Zoning Lot Certifications