Filing a Request to Update with the NYC Department of Finance is a process used to challenge or correct property data with the Department of Finance. Here’s a step-by-step guide for submitting a Request to Update with DOF:

1. Determine the Type of Update Needed

Common updates with the DOB include:

• Correcting building classification or occupancy.
• Updating property owner information.
• Updating square footage.
• Addressing errors in the Building Information System (BIS).

2. Gather Required Documents

You’ll need evidence to support your request, such as:

• Certificate of Occupancy (C of O), Letter of No Objection (LNO), or CO search.
• Architectural or engineering plans (if applicable).
• Current property tax records.
• Proof of ownership (e.g., deed or title).
• Any DOB correspondence regarding the issue.

3. Complete the Correct Form

To update your building class or tax class with Department of Finance, you can use the link below to file online or use the form links below to submit by mail (If you don’t have a NYCID account you can create one on the site): 

https://www.nyc.gov/site/finance/property/property-forms-assessments-and-valuations.page

• Click the link that says “Update Property Description for…”

Hard Copy Forms

Tax Class 1: https://www.nyc.gov/assets/finance/downloads/pdf/assessments/request_update_class1.pdf 

Tax Class 2: https://www.nyc.gov/assets/finance/downloads/pdf/assessments/request_update_class2.pdf

4. Submit the Request

• Online via NYC Department of Finance: Most updates are submitted through the NYC DOF portal. Create an account if you don’t already have one.

• Select the appropriate service type (e.g. Request to Update).

• Upload completed forms and supporting documents.

• Pay any applicable filing fees.

• In-Person Submission: For some updates, visit your local DOB Borough Office. Bring all required forms and documentation.

5. Wait for Review

The DOF will review your request:

• They may ask for additional documents or clarification.
• Track your request status via DOB NOW or follow up at the Borough Office.

6. Receive Confirmation

Once approved, you’ll receive:

• Updated records or written confirmation of the approved change.

If you would like to update your tax class as well or challenge your Notice of Property Value, click the link below and follow the instructions. There you will be able to submit and appeal and request to change the tax class of your property. 

https://www.nyc.gov/site/taxcommission/about/challenging-notice-of-property-value.page