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How to Start a Mobile Auto Detailing Business

Mobile detailing lets you start without a lease. Your vehicle becomes your shop, so a reliable water and power setup — and garage-keepers insurance for customers' cars — matter most.

Reviewed November 5, 2026 · Sources linked inline

Startup costs

We haven't found a reliable published cost range for this business, so we don't show one. Costs vary widely by market, equipment and whether you buy new or used. Plug your own quotes into the worksheet:

Open a auto detailing cost worksheet →

SBA 7(a) loans in this industry

Car Washes (NAICS 811192): 604 loans approved in FY2024–FY2026. Median loan $448,600; middle half $69,425–$1,800,000.

Loan size is not startup cost — these loans also fund acquisitions, real estate and working capital. Full breakdown and caveats →

How much competition is there?

Census industry: Car Washes (NAICS 811192)

Nationwide: 19,807 employer establishments (2023) and 105,290 businesses without employees (2024).

The count of businesses without employees is for the broader Census group “Other Automotive Repair and Maintenance” (NAICS 81119), so it includes related businesses, not only this one.

See counts for your county → Counts aren't a measure of saturation — see the caveats on the tool page.

Equipment and supplies

  • Water tank, pump and hose reel
  • Generator or power inverter
  • Dual-action polisher
  • Wet/dry vacuum and carpet extractor
  • Pressure washer and foam cannon
  • Chemicals and microfiber towels

Licenses and registration

  • Register your business or DBA.
  • Local business license; some cities require a mobile vendor permit.
  • Check stormwater runoff rules — some cities require water reclamation mats.
  • Sales tax rules for detailing services vary by state.
  • Get a free Employer Identification Number (EIN) from the IRS if you will hire employees or form an LLC or corporation. Beware of sites that charge for this. [source]
  • Register an LLC or corporation with your state's business registration office (sole proprietors usually register a trade name/DBA instead). [source]

Insurance to consider

  • General liability
  • Garage-keepers coverage (damage to customers' vehicles)
  • Commercial auto
  • Equipment coverage

Get quotes from several carriers or an independent agent; coverage needs depend on your contracts, state and staff.

Financing options

  • SBA 7(a) loans — the SBA's main guaranteed loan program, made through participating lenders. [source]
  • SBA Microloans — smaller loans delivered through nonprofit intermediary lenders. [source]
  • SBA Lender Match — a free tool that connects you with interested SBA lenders. [source]
  • Free counseling from your local SBDC or SCORE chapter can help you build the business plan lenders ask for. [source]

Estimate payments with the loan calculator, then check runway with the cash flow projection.

Ongoing operating expenses

  • Chemicals and supplies
  • Fuel
  • Insurance
  • Equipment repair
  • Marketing
  • Software

Use the break-even calculator to see how many jobs or sales cover them.

Common mistakes

  • No garage-keepers coverage
  • Pricing per car instead of by condition and size
  • Ignoring runoff rules
  • Weak booking and deposit policy

Finding customers

  • Google Business Profile with photos
  • Fleet and dealership accounts
  • Maintenance plans
  • Apartment and office-park partnerships

Startup checklist

Ticks are saved on this device and appear on My plan.

Compare with other businesses

Sources