5 county-level rules, plus city-specific rules for 1 city in Monroe County, New York.
Verified from official government sources
ADU regulations in Monroe County are set by individual towns and the City of Rochester. No statewide ADU mandate exists in New York. Unincorporated Monroe County areas follow county zoning — ADUs typically require a special use permit or variance.
Shed permit requirements in Monroe County are handled by each town or city. New York State Building Code requires permits for sheds over 144 square feet. Many Monroe County towns require permits for sheds of all sizes or set lower thresholds.
Garage conversions in Monroe County require building permits and must meet New York State Residential Code requirements for habitable space, egress, insulation, and ventilation. Zoning approval may also be needed.
Monroe County municipalities require building permits for carports. Rochester Zoning Code §120-94 treats carports as accessory structures with rear/side yard placement. Setbacks typically 3-5 feet sides. Snow load design per NY RC (35 psf Monroe County).
NY State Residential Code Appendix Q allows tiny homes ≤400 sq ft with reduced ceiling (6'8") and loft (6'2") requirements. Foundation-built tiny homes treated as dwellings. THOW (tiny on wheels) treated as RVs under NY VTL. Monroe County towns vary in ADU acceptance.
1 cities in Monroe County have their own accessory structures rules. Each link goes to that city's dedicated page with code citations.
See every category we cover for Monroe County — parking, noise, fences, fires, animals, pools, and more.
Monroe County Ordinance Hub →