SBA lenders approved 548 7(a) loans to car washes from October 2023 to June 2026, about $623 million from 166 lenders. The median loan was $371,300, roughly two and a half times the national $150,300, and a third of loans (32.8%) were $1 million or more. The median rate of 9.75% sat below the national 10.25%. Car washes also took 258 SBA 504 loans. Start-ups were 19.5% of 7(a) loans and acquisitions 17.9%. Lenders focus on the site and its permits, equipment age, membership revenue and weather, and on the larger down payment 504 requires for special-purpose property.
| Measure | Car Washes | All industries |
|---|---|---|
| SBA 7(a) loans approved | 548 | 162,355 |
| Median loan | $371,300 | $150,300 |
| Middle half of loans | $65,000 – $1,753,500 | $50,000 – $500,000 |
| Loans of $1 million or more | 32.8% | 12.9% |
| Median rate at approval | 9.75% | 10.25% |
| Middle half of rates | 8.75% – 10.51% | 9.3% – 11.25% |
| Acquisitions (change of ownership) | 98 (17.9%) | 16,849 (10.4%) |
| Median acquisition loan | $1,113,750 | $693,000 |
| Lenders that made these loans | 166 | 1,648 |
| SBA 504 loans (real estate, equipment) | 258 | 16,714 |
Approvals FY2024 – FY2026 to date (1 Oct 2023 – 30 Jun 2026), cancelled loans excluded. Source: SBA 7(a) and 504 FOIA loan records, as of June 30, 2026.
- SBA 7(a) loans approved
- 548 (Oct 2023 – Jun 2026), $623 million
- Median loan
- $371,300 (national $150,300)
- Median rate at approval
- 9.75% (national 10.25%)
- Loans of $1 million or more
- 180 (32.8%)
- Start-ups / acquisitions
- 19.5% / 17.9% of loans
- SBA 504 loans
- 258, median $1,268,500
A real estate borrower that washes cars
Car washes (NAICS 811192) took 548 SBA 7(a) loans worth $623,107,700 from FY2024 through June 2026, from 166 lenders. That is heavy borrowing for a service business. The middle half of loans ran from $65,000 to $1,753,500, a spread that holds everything from a new vacuum system at a self-serve wash to the purchase of an express tunnel with its land. The 90th percentile was $3,796,920, within reach of the 7(a) limit of $5 million.
The rate tells the same story. At a median of 9.75%, with the middle half between 8.75% and 10.51%, car washes borrowed below the national median of 10.25%. Large loans fall under SBA's tightest rate cap, the base rate plus 3% above $350,000, and land and buildings give lenders collateral that most service businesses cannot offer. Only 25.9% of loans went through SBA Express: with a third of the industry's loans at $1 million or more, much of its borrowing is far past the Express limit of $500,000. See SBA loan rates.
Most telling are the 258 SBA 504 loans, at a median of $1,268,500, almost half as many as the industry's 7(a) loans. Car wash owners commonly own their sites rather than lease them, because the building is the business.
New builds and the special-purpose rule
Start-ups were 19.5% of the industry's 7(a) loans, a high share for SBA lending, and much of it is new construction: an express tunnel on a pad site, built by an operator or a first-time owner. Lenders underwrite a new wash on the site's traffic and visibility, zoning and utility approvals, the construction budget and contractor, and the owner's experience running a wash or a similar site-based business.
504 asks more of these projects. A car wash is built for one use, which makes it special-purpose property, and 504 raises the borrower's contribution for it.
| 504 project | Borrower's share | Who fills the gap |
|---|---|---|
| Existing business buying or building general-purpose property | 10% | Typically 50% from a bank and 40% from the CDC |
| New business, or special-purpose property such as a car wash | 15% | The CDC's share shrinks by the extra the borrower puts in |
| New business building special-purpose property, such as a new car wash | 20% | The CDC's share shrinks further; the bank's stays about the same |
Under 7(a), a start-up needs an equity injection of at least 10% of total project costs, but lenders often ask for more on a special-purpose construction project, and the business must still show it can carry the debt once open. See SBA 7(a) vs 504 and SBA 504 vs a conventional mortgage.
A car wash is special-purpose property, so 504 asks at least 15% from the borrower, and 20% from a new business building one. Plan for it from the first budget.
Fitting a large project inside SBA's limits
7(a) loans go up to $5 million, and SBA's guaranty to one borrower is capped at $3.75 million. With the 90th percentile at $3,796,920, the bigger car wash projects test those limits. The usual answer is to split the project: 504 for the land and building, and a 7(a) loan for equipment, working capital or goodwill. Since July 2026 the 504 and 7(a) limits are counted separately, which gives a large project more room than it had.
Maturities follow the asset. Real estate can run up to 25 years; equipment up to 10, or 15 if its useful life supports it. A loan that finances both carries a blended maturity. Tunnel conveyors, brushes, dryers, pay stations and water systems wear out well before the building does, and lenders size equipment terms accordingly. See SBA blended maturity and equipment financing vs SBA 7(a).
What lenders read in an operating car wash
- Membership revenue. Monthly unlimited-wash plans turn a weather-driven business into a recurring one. Lenders ask for member counts by month, how many cancel, and how much of revenue the plans carry.
- Car counts and weather. Wash-controller and point-of-sale reports show volume by day and month. Lenders compare them to the tax returns and look at how the wash did through a wet or mild season.
- Equipment age. An equipment list with install dates and major rebuilds tells the lender what capital the wash will need. See maintenance capex.
- Utilities and chemicals. Water, sewer, power and chemicals are among the largest running costs. Rising utility rates hit margin directly.
- Competition. A new express tunnel down the road can change a site's volume, and lenders ask what has opened nearby.
SBA requires debt service coverage of at least 1.15x, and 1.0x globally once the owners are included. A wash earning 700 against proposed payments of 560 meets exactly the 1.25x a change of ownership must show on historical results from 1 October 2026. Staff, equipment upkeep and much of the utility bill do not fall with volume, so a new tunnel nearby that takes a fifth of the cars can push earnings below the payments altogether. See debt service coverage ratio.
Water, drains and the environmental review
Car washes handle large volumes of water carrying soap, grit, oil and metals. Lenders expect sewer discharge permits, working separators and grit traps, and a water reclamation system where local rules require one. Sites that once sold fuel, or that share a lot with a gas station, bring underground tank history. Expect environmental review, commonly starting with a Phase I site assessment, before a lender takes the property as collateral. See SBA loans for gas stations.
Buying a car wash
Changes of ownership were 17.9% of the industry's loans, against 10.4% nationally, at a median of $1,113,750 and a median rate of 9%. Most purchases include the land, so lenders separate the price into real estate, equipment and goodwill. Where the amount financed, less appraised real estate and equipment, exceeds $250,000, SBA requires an independent business valuation, and the loan for the purchase cannot exceed it. From 1 October 2026 change-of-ownership loans amortize over no more than 10 years except the real estate share, so a heavy goodwill component raises the payment. See financing a car wash acquisition and buying a business with its real estate.
The buyer injects at least 10% of total project costs; a seller note can count for up to half of that, and only on full standby for the life of the SBA loan. The seller may consult for up to 12 months, or up to 24 months under SOP 50 10 8.1 from 1 October 2026. From that date every change of ownership needs financial due diligence and 1.25x coverage on historical results, and a quality of earnings report where the acquisition is $3 million or more excluding real estate. Buyers who would rather not tie up capital in land sometimes pair the purchase with a sale-leaseback.
Preparing a car wash file
SBA's list: business tax returns for 2–3 years, a P&L and balance sheet with a year-to-date P&L through last month-end, a debt schedule with copies of notes being refinanced, and personal tax returns and a personal financial statement for each owner of 20% or more. A buyer adds the target's latest full year of figures and the letter of intent. For a car wash, add monthly car counts and membership reports, an equipment list with install dates, utility bills, discharge permits and any environmental reports, and for a new build the site plan, construction budget and contractor bid.
Transparent builds the full lender package — financing model, lender presentation, blind teaser and underwriting memo — in a day, for the 278 lenders in its book that write SBA 7(a) and 504, and the 244 that write equipment. On SBA loans the lender pays Transparent, not the borrower. See the package.
Common questions
- How much do I need to put down to build a new car wash with SBA 504?
- It depends on who is building. A car wash is special-purpose property, so an established business puts in at least 15% of the project; a new business building one puts in 20%. A standard 504 project asks 10%.
- Can I finance the land, building and equipment together?
- Yes, within SBA's limits. Many projects use 504 for the real estate and a 7(a) loan for equipment and working capital; since July 2026 the two programs' limits are counted separately.
- Do lenders count membership revenue?
- Yes, as part of reported revenue, and they value it for its steadiness. They ask for member counts and cancellations by month to see that the base is holding.
- Why are car wash rates below the national median?
- Mostly loan size and collateral. Most car wash loans are large enough to fall under SBA's tightest rate cap, the base rate plus 3% above $350,000, and many are secured by land and buildings.
- Will an environmental problem stop the loan?
- Not necessarily. A known, documented issue can often be managed. An unexplained one, found late, is what stops files.