Dividing and Merging Lots
|The Tax Map Office is closed at this time, but staff are continuing to review documents and process applications. To submit your documentation please contact us to receive further instruction.
July 2, 2019 - New rules and policies for obtaining final tax lots for properties that have applied for a subdivision. For more information read the Policy & Procedure Memorandum
December 18, 2017 - Property owners must resolve certain outstanding judgment summonses adjudicated by the Environmental Control Board (ECB) before applying to divide or merge properties (also known as “tax map changes”). For more information read the final Notice of Rule Making
Builders, developers, architects, engineers, and property owners may request permission from both the Department of Finance and the Department of Buildings to divide (apportion) or merge (combine) lots. Approval depends on several factors including tax and zoning rules. The Department of Finance Tax Map Office is responsible for processing these requests.
NEW! Processing and Recording a Condominium-within-a-Condominium
- To request a lot merger or apportionment, submit a completed Request for Merger or Apportionment form.
- Include all required supporting documentation such as land surveys and tax clearance.
- If the Department of Finance approves the initial request, you must then submit it to the Department of Buildings for approval. If the Department of Buildings approves the request, you must let the Department of Finance know that you want to complete the apportionment or merger.
- The Tax Map Unit will process applications in the order that they are received. Initial review of application(s) for processing is 30 business days.
- Ensure the application(s) contains the correct and required documents, otherwise processing time will be delayed.
If there are any issues with the application, you will receive a notification and a list of objections. The application needs to be picked up from our office for resubmission during regular business hours.
Step-by-Step Information Sheets
If you require additional information please contact us
Additional Information New York City Department of Buildings
online application worksheet