This is the TRAINING website.
For current info please visit detroitmi.gov
Documents
2025 Inflation Rate Multiplier - Bulletin 14 of 2024 (released October 22, 2024).
2025 ECF Neighborhoods for Residential, Commercial and Industrial.
This document is used for taxpayers to request/apply for a prior year Principal Residence Exemption.
Percentage of Change for Assessment Values by Economic Condition Factors (ECF) Residential Condominiums (2023-2024) map
Percentage of Change for Assessment Values by Economic Condition Factors (ECF) Residential Neighborhoods (2024-2025) map
Office of the Assessor Parcel Revision Application Packet. The Packet contains Parcel Revision Checklist, Parcel Revision Form and Resolution of Authority form.
Forms
Personal Property (Business) Notice of Discontinuance of Business form.
Request for a personal property number for business.
Petition to the March Board of Review Form 618 (L-4035) - to be used to appeal to the March Board of Review only.
Property Transfer Affidavit