Mobile Auto Detailing Business — Licensing by State
No state requires a specific mobile-detailing license. Business registration is required in every state and wastewater rules apply in every state, but most cities enforce them lightly. California, Washington, and Oregon are the strictest.
State-by-state at a glance
0 of 50 require state license
Also:
States requiring a state-level license or registration
States without state-level licensing
These states don't require a locksmith-specific state license, but your city or county may still require a business license, permit, or bond. Always check with your local occupational license office.
Alabama
No state-level license required. City or county business license typically required. Check with your municipality about wastewater capture rules for outdoor detailing.
Alaska
No state-level license required. City or county business license typically required. Check with your municipality about wastewater capture rules for outdoor detailing.
Arizona
No state-level license required. City or county business license typically required. Check with your municipality about wastewater capture rules for outdoor detailing.
Arkansas
No state-level license required. City or county business license typically required. Check with your municipality about wastewater capture rules for outdoor detailing.
California
No state occupational license, but California is the strictest wastewater state in the U.S. Municipalities routinely require detailers to capture rinse water — allowing dirty water to enter storm drains is a Clean Water Act violation. Los Angeles, San Francisco, San Diego, and Sacramento all enforce this actively.
Colorado
No state occupational license. Denver, Boulder, and Fort Collins require wash water capture. Front Range cities have coordinated enforcement.
Connecticut
No state-level license required. City or county business license typically required. Check with your municipality about wastewater capture rules for outdoor detailing.
Delaware
No state-level license required. City or county business license typically required. Check with your municipality about wastewater capture rules for outdoor detailing.
Florida
No state-level license required. City or county business license typically required. Check with your municipality about wastewater capture rules for outdoor detailing.
Georgia
No state-level license required. City or county business license typically required. Check with your municipality about wastewater capture rules for outdoor detailing.
Hawaii
No state occupational license, but Hawaii's general excise tax license (GET) is required for any business operating in the state.
Idaho
No state-level license required. City or county business license typically required. Check with your municipality about wastewater capture rules for outdoor detailing.
Illinois
No state-level license required. City or county business license typically required. Check with your municipality about wastewater capture rules for outdoor detailing.
Indiana
No state-level license required. City or county business license typically required. Check with your municipality about wastewater capture rules for outdoor detailing.
Iowa
No state-level license required. City or county business license typically required. Check with your municipality about wastewater capture rules for outdoor detailing.
Kansas
No state-level license required. City or county business license typically required. Check with your municipality about wastewater capture rules for outdoor detailing.
Kentucky
No state-level license required. City or county business license typically required. Check with your municipality about wastewater capture rules for outdoor detailing.
Louisiana
No state-level license required. City or county business license typically required. Check with your municipality about wastewater capture rules for outdoor detailing.
Maine
No state-level license required. City or county business license typically required. Check with your municipality about wastewater capture rules for outdoor detailing.
Maryland
No state-level license required. City or county business license typically required. Check with your municipality about wastewater capture rules for outdoor detailing.
Massachusetts
No state-level license required. City or county business license typically required. Check with your municipality about wastewater capture rules for outdoor detailing.
Michigan
No state-level license required. City or county business license typically required. Check with your municipality about wastewater capture rules for outdoor detailing.
Minnesota
No state occupational license. Minneapolis and St. Paul have local ordinances on wash water discharge; most other cities do not enforce strictly.
Mississippi
No state-level license required. City or county business license typically required. Check with your municipality about wastewater capture rules for outdoor detailing.
Missouri
No state-level license required. City or county business license typically required. Check with your municipality about wastewater capture rules for outdoor detailing.
Montana
No state-level license required. City or county business license typically required. Check with your municipality about wastewater capture rules for outdoor detailing.
Nebraska
No state-level license required. City or county business license typically required. Check with your municipality about wastewater capture rules for outdoor detailing.
Nevada
No state-level license required. City or county business license typically required. Check with your municipality about wastewater capture rules for outdoor detailing.
New Hampshire
No state-level license required. City or county business license typically required. Check with your municipality about wastewater capture rules for outdoor detailing.
New Jersey
No state-level license required. City or county business license typically required. Check with your municipality about wastewater capture rules for outdoor detailing.
New Mexico
No state-level license required. City or county business license typically required. Check with your municipality about wastewater capture rules for outdoor detailing.
New York
No state occupational license. New York City requires wash water capture and prohibits discharge to storm drains under DEP rules.
North Carolina
No state-level license required. City or county business license typically required. Check with your municipality about wastewater capture rules for outdoor detailing.
North Dakota
No state-level license required. City or county business license typically required. Check with your municipality about wastewater capture rules for outdoor detailing.
Ohio
No state-level license required. City or county business license typically required. Check with your municipality about wastewater capture rules for outdoor detailing.
Oklahoma
No state-level license required. City or county business license typically required. Check with your municipality about wastewater capture rules for outdoor detailing.
Oregon
No state occupational license. Portland Bureau of Environmental Services requires mobile detailers to capture wash water and dispose of it in a sanitary sewer or approved disposal site. Similar rules across most Oregon municipalities.
Pennsylvania
No state-level license required. City or county business license typically required. Check with your municipality about wastewater capture rules for outdoor detailing.
Rhode Island
No state-level license required. City or county business license typically required. Check with your municipality about wastewater capture rules for outdoor detailing.
South Carolina
No state-level license required. City or county business license typically required. Check with your municipality about wastewater capture rules for outdoor detailing.
South Dakota
No state-level license required. City or county business license typically required. Check with your municipality about wastewater capture rules for outdoor detailing.
Tennessee
No state-level license required. City or county business license typically required. Check with your municipality about wastewater capture rules for outdoor detailing.
Texas
No state-level license required. City or county business license typically required. Check with your municipality about wastewater capture rules for outdoor detailing.
Utah
No state-level license required. City or county business license typically required. Check with your municipality about wastewater capture rules for outdoor detailing.
Vermont
No state-level license required. City or county business license typically required. Check with your municipality about wastewater capture rules for outdoor detailing.
Virginia
No state-level license required. City or county business license typically required. Check with your municipality about wastewater capture rules for outdoor detailing.
Washington
No state occupational license, but Washington's Department of Ecology enforces mobile-detailer wastewater capture under the state NPDES stormwater permit. Most cities in the Puget Sound area require capture-and-dispose systems.
West Virginia
No state-level license required. City or county business license typically required. Check with your municipality about wastewater capture rules for outdoor detailing.
Wisconsin
No state-level license required. City or county business license typically required. Check with your municipality about wastewater capture rules for outdoor detailing.
Wyoming
No state-level license required. City or county business license typically required. Check with your municipality about wastewater capture rules for outdoor detailing.
Federal: No federal license required. EPA Clean Water Act regulates wastewater discharge — mobile detailers must not let dirty rinse water enter storm drains.
Licensing information last verified 2025-01. Requirements change — always confirm on the agency site before applying. This is not legal advice.