Monongalia County Assessor
Online Filing

After filing online, do not return the paper form to the assessor's office. Online filing is not available for businesses at this time.

Filing Begins
Wednesday, July 1, 2026

The regular filing period is from Wednesday, July 1, 2026 to Friday, October 2, 2026. However, late filings (with late filing penalty) are allowed through Sunday, November 22, 2026. Please click the Begin Personal Property Assessment button to file your assessment.