Montgomery County Auditor's Office in Montgomery County, Ohio

When visiting the county assessor's office, bring your property's parcel number or street address to quickly locate your assessment record, and bring supporting documentation if you are disputing a valuation. Montgomery County Auditor's Office is located at 451 West 3rd Street, Dayton, OH. Many assessor offices also maintain online portals where you can review your assessed value and exemption status before visiting in person.

About Montgomery County Auditor's Office

The Montgomery County Auditor's Office, located in Dayton, Ohio, determines the value of all taxable property in Montgomery County, OH. Taxable property includes land and commercial properties, often referred to as real property or real estate, and fixed assets owned by businesses, often referred to as personal property. Property assessments performed by the Assessor are used to determine the Montgomery County property taxes owed by individual taxpayers.

• Property assessment values and annual reassessment notices for parcels in Montgomery County Auditor's Office's jurisdiction
• Homestead, senior citizen, veteran, and disability exemption applications
• Formal assessment appeals and informal review requests
• GIS parcel maps, property boundary data, and ownership record corrections