Provides inspection and code enforcement of: plumbing, water, and sewer service; sewage; schools; water wells; camps; recreational areas; swimming pools; groceries; food services; trailer parks; and solid waste disposal. Also provides planning for land use with soil surveys and layouts; rabies control; and nuisance abatement.

Provides the following permits, licenses, and inspectional services (individual department phone numbers are listed behind each description): rat and rabies control, environmental health, nuisance complaints, landfill, trash truck, well water, and septic inspections (225-4362); plumbing permits and inspections (225-4421); housing inspections outside of the Dayton city limits (225-4428); food service operator licenses, bar, grocery, restaurant, swimming pool, hotel, and mobile home inspections (225-4460); lead paint poisoning preventions programs, information about lead paint hazards, and inspections for the presence of lead paint in homes (225-5553); and vending machines, mobile home park, motel, and mobile food service inspections (225-5915).

Responsible for restaurant and food sanitation inspections, plumbing inspections, tap water testing, and rabies control.

Issues the following licenses: Bicycle Licenses, Burglar Alarm Licenses for business and residential use, Ambulance, Emergency Medical Technician, Arcade/Pool Room, Boxing/Wrestling, Carnival, Circus, Day Labor Pool, Discontinuing Business Sale, Drug Paraphernalia, Firearms Dealer, Garbage/Rubbish Haulers, Gasoline Pumps, Ice Cream Itinerant Retailer, Massage Parlor, Masseur/Masseuse, Itinerant Retailer, Phrenology, Promoter (Boxing/Wrestling), Roller Skating Rink, Secondhand Dealer, Shooting Galleries, Taxi Cab/Transportation Company, and Tow Truck.