Rental Registration 

Phone: (513) 887-3154

The State of Ohio requires residential rental property owners to register their rental properties with the County Auditor. Residential Rental Properties include real property, one or more dwelling units leased or rented solely for residential purposes, or a mobile home park or a site where lots are leased for parking mobile/manufactured homes/ RVs for residential purposes. This regulation does not pertain to hotels or college dorms. 

Section A. If you are an Individual owner or Sole Proprietor, please include your Full Name. If a Partnership, Corporation or Trust, please include the name of the entity as well as the name of a corporate officer. Phone refers to the primary contact phone number for the property. 

Section B. The State of Ohio requires that if the owner resides outside of the State of Ohio, the owner must designate an in-state Agent. The agent must be at least 18 years of age and reside in the State of Ohio. Again, the primary contact phone number should be included. 

Please fill out information for each residential rental property owned in Butler County. The parcel ID number, year built, and Mobile Home ID # can be found on your tax bill or can be found on this Web site under the real estate search function from the home page.

Mail completed form to: 
Butler County Auditor's Office
Attn: Rental Registrations
130 High St., 3rd Floor
Hamilton, Ohio 45011

Within 10 days of any change in this information, the owner of the residential property is required to update this information with the County Auditor's office. 

This information is public record and failure to provide this information is a minor misdemeanor according to state statute. Please call (513) 887-3154 for assistance.

Download the Fillable Rental Registration Form 
View Ohio Revised Code Section 5323


Butler County Auditor
130 High Street
Hamilton, OH  45011

Map Location


Board of Commissioners

Office Hours
8:00 AM - 4:30 PM, Mon. - Fri.

Conveyance Desk
closes daily at 3:30 PM

Phone: 513-887-3154