# Mobile Detailing Business License and Permit Research Checklist

Which licenses and permits to research for a mobile detailing business: state, county and city agencies to check, and questions to ask before opening.

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Updated: October 6, 2026

Mobile detailers usually need a local business license, sometimes a separate mobile vendor or home occupation permit, compliance with stormwater rules that keep wash water and chemicals out of storm drains, sales tax registration where detailing services or products are taxable, and insurance that covers customer vehicles. Commercial properties and fleets often ask for certificates of insurance and written permission to work on site.

## Who to ask and what to ask

| Office | Question |
| City business licensing | Do I need a business license or mobile permit in each city I serve? |
| Stormwater or public works office | What are the rules for wash water on driveways and parking lots? |
| State revenue department | Are detailing services or products taxable here? |
| Zoning (if storing the van at home) | Are commercial vehicles or home businesses allowed at my address? |
| Property managers and HOAs | Do they allow detailing on site, and what do they require? |
| Insurance agent | Does my policy cover vehicles in my care and on-site damage? |

## Sample water management routine

For full exterior washes on driveways or lots that drain to the street, lay a containment mat, wash inside it, pump the collected water into a holding tank and dispose of it where your city allows, such as a sanitary sewer connection with permission. For maintenance washes, use rinseless or waterless products that do not produce runoff. Keep chemicals capped, clean up spills right away and never pour leftover solutions into drains. EPA's stormwater program explains why, and your city may have specific rules.

## Mistakes that cause trouble

- Letting soapy water run into the gutter
- Working in an HOA that prohibits it
- No certificate of insurance for business clients
- Not collecting sales tax where required

## What to research

| Requirement | Usually handled by |
| Business license | City or county |
| Water runoff and wash-water rules | Local stormwater or environmental rules |
| Permission to work on properties and lots | Property owners and HOAs |

## Free tools

Renewal tracker

## Common questions

### Can I wash cars with water on driveways?

Often only if wash water is contained and does not reach storm drains. Check local rules.

### Do I need a permit in every city?

Some cities require a license if you do business there. Check each one you serve.

### Is detailing taxable?

It depends on the state. Ask your revenue department.

### Do apartment complexes allow detailing?

Many restrict it; get permission from the property manager.

### Do I need permission to work at office parks?

Yes; get written permission from the property manager and follow their rules.

### Do I need to register with the state for chemicals?

Usually not for detailing products, but follow labels and safety data sheets.

### Is there a detailing certification?

Groups such as the International Detailing Association offer voluntary certifications.

### Should I keep records of where I dispose of water?

It is good practice, and some cities may ask.

## Sources

- SBA: Apply for licenses and permits: https://www.sba.gov/business-guide/launch-your-business/apply-licenses-permits
- EPA: NPDES stormwater program: https://www.epa.gov/npdes/npdes-stormwater-program

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