How mobile detailers in California handle CDTFA sales tax on packages

What to take away

How CDTFA treats a mobile detailing package as a bundled service

A mobile detailing package is one price for several things: labor, chemicals, equipment use, and sometimes travel. When the customer cannot buy those parts separately, CDTFA calls it a bundled service. Tax applies to the whole amount unless a rule carves out part of it.

That is the trap. A flat "Full Detail" line gives an auditor nothing to exclude, so the full charge is taxable and you have already quoted the customer a number that did not include it.

CDTFA publishes industry guides for auto repair and cleaning services, and those are the starting point for detailing. Read them through the CDTFA's Industry & Tax and Fee Guides.

California taxes some services and exempts others. A detailing package can sit on both sides of that line, so the tax treatment is not obvious from the price alone, which is why the Sales taxes in the United States background is useful before you set prices.

The general rules sit in CDTFA Publication 73, Sales and Use Tax, and in Regulation 1501, Services in General.

What makes detailing awkward is the mix. Chemicals and supplies you hand over are taxable. Your labor on the customer's car generally is not, because you are not selling them tangible property.

The burden of showing the split is yours, and you show it with line items on the invoice.

How you name and split a package is a tax decision as much as a sales one. The services and packages guide covers the naming side.

What California law says must be listed separately on a detailing invoice

A California invoice for a detailing package should show taxable and non-taxable components as separate lines. Each price has to be reasonable and backed by your records, not reconstructed at year end.

At minimum, list these separately:

Hiding all of that behind one number is the most common finding in audits of small service businesses. Show the rate you used on the invoice, so the customer can see why two identical jobs can carry different totals.

Your line items feed your books too. If parts and labor are not tracked apart, the mobile detailing service packages list is the place to start, because the invoice and the ledger have to agree.

A workable invoice format:

The figures above are illustrative. Substitute your own package prices and your own district rate.

The statewide base rate is 7.25 percent: 6.00 percent state plus 1.25 percent local. District taxes add on top, and the combined rate depends on the job address. In the city of Los Angeles the combined rate is 9.50 percent as of 2025.

Lines 2 and 4 carry $47.00 of taxable goods. At the 7.25 percent base rate the tax comes to $3.41. At 9.50 percent in Los Angeles it comes to $4.47. The 2.25 point gap is district tax charged at the job address. Same parts, same job, $1.06 more because of where the vehicle was parked.

Travel fees need care. A mobile service fee for coming to the customer is usually part of the service charge and follows the service. A separate delivery charge can be treated differently. Write the description so the treatment is obvious to someone reading it cold.

Taxable versus non-taxable line items: labor, chemicals, and travel fees

Labor is the big one. When you clean, polish, or protect a vehicle the customer already owns, you are working on their property. California generally does not tax that labor.

The exception arrives when the labor is part of a sale of tangible personal property. Install a part you sold, or apply a product the customer is buying from you, and the taxable portion grows.

Chemicals are taxable when they transfer. A sealant left on the paint is a transfer. A bucket of wash soap that goes down your drain is not.

Consumables you use up on every job, such as towels, pads, and water, are a cost of doing business. They are not separately taxable unless you charge for them as an item.

If your pricing does not yet separate labor from product, the pricing and profit guide shows how to build a package price with tax room inside it.

Registering a mobile detailing business with CDTFA and setting up an account

You need a seller's permit if you sell tangible personal property in California, which most detailers do through chemicals and supplies. Register online with CDTFA; the permit costs nothing. CDTFA Publication 107, Do You Need a California Seller's Permit?, sets out who needs one.

The steps are:

A mobile business has no storefront, so CDTFA wants to know where your records live and where the vehicle is kept. That address drives which district taxes apply to some of your sales.

Registration is one piece of a larger calendar. Vehicle registration, business licenses, and local rules also apply, and the licensing and compliance guide collects those deadlines in one place.

As a sole proprietor, your detailing profit and the sales tax you collect flow onto Schedule C. The IRS instructions for Schedule C (Form 1040) explain how to report gross receipts and why collected sales tax is not your income.

Collecting sales tax on deposits, gift cards, and prepaid packages

A deposit is not a separate tax event. If the customer pays part of a package price up front, tax applies to the taxable portion of the full package price when the sale is made.

Gift cards work differently. Under California law, selling a gift card is generally not a taxable sale of tangible personal property until the card is redeemed for goods or services. Record the sale, then apply tax at redemption.

Prepaid packages sold as a bundle are usually taxed at the time of sale, because you have sold the package. If the customer prepays for a set number of washes, the taxable portion is taxed when you take the money.

Timing matters for cash flow. You can collect tax in a strong month and owe it in a slow one, so hold collected tax apart from operating cash.

The service tiers explained article covers structuring prepaid tiers so the taxable and non-taxable parts stay clear.

If you sell through a booking platform, check what it collects and remits for you. The correct amount reaching CDTFA is still your responsibility.

Filing CDTFA returns: frequency, due dates, and district taxes

CDTFA assigns your filing frequency from your taxable sales. Small accounts file quarterly; larger ones move to monthly or prepayment schedules. Your permit letter states which applies.

The frequencies break down like this:

Returns are generally due the last day of the month after the reporting period ends. A quarterly return covering January through March is due April 30, and a monthly return for March is due the same day.

When the due date lands on a weekend or state holiday, the deadline moves to the next business day. Late filing brings penalties and interest, and the penalty applies even when you owed no tax.

District taxes are the part detailers miss. Many California cities and counties add their own district tax on top of the state rate, and the rate depends on where the sale takes place. The Transactions and Use Tax Law, at Revenue and Taxation Code section 7251 and following, is the authority for those district taxes.

For a mobile detailer, the rate follows the job site, not your home address. Two jobs on one day can carry two combined rates, and you apply the rate for where the work was done.

CDTFA publishes address-based rate lookup tools. Check the rate for each job rather than reusing one flat number, and save the lookup result with the job record.

If you also sell retail products from a fixed location, that location's district taxes apply to those sales. Keep the two streams apart on your return.

Recordkeeping that survives a CDTFA audit of a mobile detailing rig

CDTFA can audit several years back, and a mobile business with thin records is an easy target. Your defense is a folder that shows every sale, every tax collected, and every exemption claimed.

Keep these records for at least four years:

Regulation 1698, Records, sets the four-year retention rule and the format CDTFA accepts.

The job location log is the document most detailers lack. Without it you cannot prove which district rate applied to a sale, and the auditor may apply the highest rate in your area.

Federal rules line up with this. The IRS Publication 334 (2025), Tax Guide for Small Business sets out how long to keep records and what they must show.

Digital records are fine. A legible, dated photo of a handwritten invoice works. What fails is a shoebox of receipts with no connection to a sale.

When a California detailer owes use tax on out-of-state supplies

Use tax is the companion to sales tax. Buy supplies from an out-of-state seller who charges no California tax, use them here, and you owe use tax on them.

This catches detailers who order polishes, pads, and equipment online from sellers with no California nexus. The seller collects nothing, and the obligation moves to you.

Report use tax on your CDTFA return, on the line for purchases subject to use tax. You pay the rate that would have applied to a California purchase, district taxes included, based on where you use the goods.

Keep the invoices. You need the purchase price, the date, and the seller's information. If the seller later charges you California tax, do not report it twice.

The small-purchase exemption is $100 or less for a single purchase from a seller who was not required to collect California tax. That figure sits far below the price of a polisher or a case of pads, so do not treat an online order as exempt because it looked small.

If you resell supplies to customers, you may buy them for resale with a resale certificate and avoid tax at purchase, then collect tax when you sell the item.

Common questions

Do I have to charge sales tax on a full detail package in California?

If you sell the package as one bundled price with no breakdown, tax generally applies to the whole amount. Splitting non-taxable labor onto its own invoice line is what lets you tax only the taxable part.

Is my labor taxable when I detail a customer's car?

Generally no, because you are servicing property the customer already owns. Labor becomes taxable when it is part of a sale of tangible personal property you provide.

Which district tax rate do I use for a mobile job?

Use the rate for the address where the work is performed. Check the CDTFA rate lookup for each job and keep the result with your records.

When is sales tax due on a prepaid package?

Usually when you sell the package and take the money, not when the customer redeems each wash. Gift cards are the exception and are generally taxed at redemption.