What should you know before buying a car wash?

Why do car washes sell for more than other small businesses?

Buyers like car washes for the same reasons they like laundromats: fewer staff than most service businesses and steady demand. Many washes sell monthly memberships, which make revenue more predictable. That demand pushes the multiple up. At 4.99x SDE, car washes sit above laundromats at 3.65x and far above restaurants at 2.15x in the same BizBuySell data.

A higher multiple is not a better deal. It means you pay more for each dollar of profit. With the business portion of an SBA loan amortized over 10 years at an assumed 10% rate, debt service on a 4.99x price financed 90% eats about 71% of SDE before you pay anyone to run the wash.

Car washes also come in different formats: self-serve bays, in-bay automatics, express tunnels and full-service washes. Labor, equipment cost and revenue per car differ by format. Compare a listing against washes of the same type, not against the category average alone.

Is the real estate in the price?

This is the first question to ask. Many washes are sold with the land and building. Others sit on leased land. A quoted multiple may or may not include real estate, so check what any comparison includes.

How SBA financing treats the two parts, under SOP 50 10 8.1:

• The business portion of an acquisition loan amortizes over a maximum of 10 years.
• Real estate can amortize over up to 25 years. The old practice of blending a 25-year term across a mixed deal was removed under 8.1, so each part is amortized on its own term.
• An independent business valuation is required, and total debt is capped at appraised value. Any gap between price and valuation must come from your cash.
• A lender-commissioned quality of earnings report is required on Initial Acquisitions with a business purchase price of $3 million or more, excluding owner-occupied real estate.
• The 7(a) program caps loans at $5 million per borrower including affiliates. Combined 7(a) and 504 capacity is $10 million.

If the wash is on leased land, read the lease as closely as the financials. You need term and renewal options that cover the loan, an assignment clause the landlord will sign, and rent increases you can afford. See what happens to the lease when you buy a business.

What capital spending should you expect?

A car wash is a machine. Equipment wears out, and the buyer usually pays for replacements. Before you price the deal, get:

• An equipment list with age, model and service history for every major component.
• Repair and maintenance spending for the last three years. Low recent spending can mean deferred maintenance, which flatters SDE.
• An inspection by an equipment technician who does not work for the seller.
• Payment system and membership software details, including who owns the customer data and whether contracts transfer.

Treat expected replacement spending as a cost in your valuation, even though SDE excludes depreciation. A wash that needs new equipment in year two is worth less than its SDE suggests.

What kills car wash deals?

• A new wash opening nearby. Check permits and planned construction in the trade area before you sign.
• Environmental issues. Car washes use water and chemicals. When real estate is involved, lenders commonly require an environmental review. Ask your lender early.
• Water and discharge permits. Requirements vary by state and city. Confirm which permits exist, whose name they are in, and whether they transfer.
• Membership churn. Ask for monthly member counts, cancellations and price changes for two years.
• Coverage. The worked example below shows how quickly an average price fails the test.

Worked example: what price can the cash flow carry?

Illustrative numbers for a wash on leased land, so SDE is after rent:

1. SDE: $400,000. Price at 4.99x: $1,996,000.
2. Add $60,000 of fees, closing costs and working capital. Total project cost: $2,056,000.
3. Minimum equity injection at 10%: $205,600. SBA loan: $1,850,400.
4. Annual debt service over 10 years at an assumed 10% rate: about $293,400.
5. Subtract $70,000 for a site manager. Cash available for debt service: $330,000.
6. Coverage: $330,000 divided by $293,400 is about 1.12x. That fails the 1.25x test.

To pass at 1.25x, $330,000 supports about $264,000 of annual debt service, a loan of about $1,665,000. That works out to a price near $1,790,000, or about 4.47x SDE. You can close the gap by paying less, putting in more cash, or asking the seller to carry part of the price on a note on full standby, which lenders leave out of the coverage test. Our article on how much a bank will lend walks through the method.

Where these numbers come from: Car wash, laundromat, restaurant and all-sector SDE multiples are BizBuySell data for 2021 to Q1 2026 as summarized by Beancount. SBA amortization, valuation, quality of earnings and loan cap rules are from SOP 50 10 8.1, summarized by Beancount and the SBA. The 10% rate is the SBA maximum variable rate for loans over $350,000 with prime at 7% in September 2026, per NerdWallet. Check current prime. SOP 50 10 8.1 applies to loans numbered on or after October 1, 2026; lender practice under it is still settling and these are secondary summaries, so confirm current terms with your SBA lender.

Related questions

Is a car wash a passive business?

Not fully. Equipment breaks, weather swings volume, and memberships need managing. If you will not be on site, budget for a manager and include that cost when you test coverage.

Should I buy the land if it is offered?

Owning the land removes lease risk and real estate can amortize over up to 25 years under SBA rules. It also adds debt and the environmental review. Run the deal both ways with your lender before you decide.

Can I build a car wash instead of buying one?

You can, and some buyers compare the two. Building carries permitting, construction and ramp-up risk that an existing wash has already absorbed. Our article on buying versus starting a business covers the trade-off.

What comes next

Car washes and laundromats are often compared because both are equipment-heavy and location-driven. Read whether buying a laundromat is a good investment to see the same coverage math at a lower multiple.

Related articles

• Is buying a laundromat a good investment?
• Which "boring" businesses are worth buying?
• What are the SBA 7(a) rules for buying a business, as of October 2026?
• How much will a bank lend to buy a business?
• How do you build a holding company for acquisitions?

Meraki Dealmakers is a service of Meraki Partners, LLC, an advisory firm. It is not a broker-dealer, investment adviser, business broker, law firm or accounting firm. This article is general information, not legal, tax or investment advice.