4 county-level rules, plus city-specific rules for 1 city in Montgomery County, Ohio.
Verified from official government sources
Montgomery County does not have a countywide short-term rental permit program. The City of Dayton states on its official site that it 'currently does not have a system in place to register or regulate STRs,' though Dayton has retained Avenu STR IP LLC to identify STR locations and is moving toward future regulation. STRs must collect Ohio's 5.75% state sales tax under R.C. 5739.02 and the Montgomery County lodging tax (3%) on stays under 30 days under R.C. 5739.09.
STR stays under 30 consecutive days in Montgomery County are subject to Ohio's 6% state hotel/transient sales tax and the Montgomery County 3% lodging excise tax administered by the County Office of Management & Budget under R.C. 5739.09. The county tax statutorily applies to hotels of five or more rooms, leaving most single-unit STRs outside the county lodging excise net but still inside the state transient tax under R.C. 5739.02.
Montgomery County has no countywide STR parking standard - parking for short-term rentals in unincorporated areas is set by each township under R.C. Chapter 519 zoning resolutions. Washington Township's Conditional Use Permit process for STRs allows the Township Zoning Inspector to attach parking conditions; on-street parking for guests still must follow the underlying township residential parking provisions and Ohio R.C. 4511.68 (general state stopping/standing rules).
Montgomery County itself sets no STR occupancy cap. Under Ohio R.C. Chapter 519, zoning in unincorporated Montgomery County is set by individual townships. Washington Township requires a Conditional Use Permit for any short-term rental in residential districts (definition: stays under 30 days), with the township board able to revoke the permit on more than three calls for service in any 12 consecutive months. Maximum guest counts default to the Residential Code of Ohio's life-safety occupant load.
1 cities in Montgomery County have their own short-term rentals rules. Each link goes to that city's dedicated page with code citations.
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