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Ninth industry deep dive Ive posted here. Already covered pest control, HVAC, restoration, home care, landscaping, roofing, septic, and commercial cleaning. Car wash is the one that gets the most attention from first-time buyers and for good reason. The membership model has fundamentally changed the economics of this business in the last 5-10 years. But oversaturation in Sun Belt corridors is a real risk that most people underestimate.

Heres everything I found.

Why car washes arent what they used to be

$15 billion US market per the International Carwash Association and Grand View Research ($15.28B in 2025). About 60,000+ sites nationwide. Express exterior washes now account for 42% of the market and thats where all the PE money and new construction is going.

The transformation happened because of unlimited monthly memberships. Instead of paying $12-18 per wash and coming whenever you feel like it, customers now pay $30-$45/month for unlimited washes. Top-performing express sites convert 40-60% of wash volume to monthly members. At $35/month average with 1,500+ active members, thats $52,500/month in pure recurring revenue before a single walk-up customer pays for a wash.

That recurring revenue base is what turned car washes from weather-dependent cyclical businesses into subscription-based cash flow machines. Its also why PE has poured billions into the space.

The other hidden asset: real estate. Express car washes sit on high-visibility, high-traffic corner lots (typically 0.75-1.5 acres) on major retail corridors. Many sites sit on parcels worth $1.5-5M+ in growing metros. Owners benefit from both operating income AND underlying land appreciation.

What buyers are actually paying

Multiples are higher then most home services because of the recurring revenue and real estate component:

• Under $500K revenue: 3.0x-3.75x SDE (self-serve/in-bay automatic, limited membership)

• $500K-$1.5M revenue: 3.75x-4.5x SDE (single express site)

• $1.5M-$5M revenue: 4.5x-6.0x SDE (high-performing single or 2-3 locations)

• $5M-$20M revenue: 6.0x-9.0x EBITDA (multi-site with 4-10 locations)

• PE platforms (10+ sites): 10x-14x EBITDA

Median SDE is about $285K and median sale price is $1.2M+. The spread between single-site multiples (3.5-5x SDE) and platform exits (10-14x EBITDA) is the widest of any industry Ive covered.

The margin profile is exceptional

This is where car washes really shine:

• Express exterior (single wash): $10-$18/car, 50-65% gross margin

• Unlimited membership: $30-$45/month, 70-85% gross margin

• Full-service wash: $25-$50, 25-40% gross margin

• Detail services: $75-$300, 45-60% gross margin

• Self-serve bay: $5-$10/use, 60-75% gross margin

Industry EBITDA margins run 45-55% for express tunnels with top quartile hitting 55-67%. Chemical cost per car is only $0.60-$0.90. Compare that to commercial cleaning (12-18% EBITDA) or roofing (6.4% avg EBITDA). Car washes are in a completely different league on profitability.

The variable cost per car is incredibly low: $0.75-$1.50 for chemicals and water. Once you cover fixed costs (lease, equipment, insurance, utilities, labor at $45-85K/month), every additional car wash is almost pure margin.

PE is all over this space

Car wash M&A has been one of the hottest PE sectors for years. Some of the major platforms:

• Mister Car Wash: 500+ locations, the largest operator in North America. Went public in 2021 (MCW), originally backed by Leonard Green

• Zips Car Wash: 270+ locations across 20+ states, backed by Atlantic Street Capital which invested an additional $70M in 2024 to support growth

• Whistle Express (formerly Express Wash Operations): acquired Driven Brands' entire US car wash business for $385M in early 2025, now one of the largest platforms with 400+ locations

• WhiteWater Express: 100+ locations across 6 states, backed by Freeman Spogli, focused on Sun Belt express expansion

The consolidation math is the same as every other industry: buy individual sites at 4-5x SDE, build a multi-site portfolio with centralized management, unified membership across locations, and bulk chemical purchasing, then exit the platform at 10-14x EBITDA.

The #1 metric that drives valuation

Membership penetration and churn. Full stop.

A site doing 100K annual washes with 15% from members is a completely different asset then one with 50% member penetration. The latter commands a 1.0x-2.0x higher multiple. Best-in-class express washes maintain 3-5% monthly churn and 1,500+ active members per site.

When evaluating a car wash acquisition, the first thing I'd ask for is the full membership dashboard: total active members, monthly sign-ups vs cancellations, average revenue per member, churn rate, and member tenure. If the owner cant produce this data cleanly, thats a red flag.

Membership fatigue is real tho. As more competitors offer unlimited plans, consumers face subscription saturation. Some markets are seeing price wars with memberships dropping to $19.99/month to poach customers. That race to the bottom compresses margins while maintaining the same fixed costs.

The oversaturation risk nobody wants to talk about

This is the biggest risk in car wash acquisitions right now. The express car wash construction boom has added thousands of new tunnels since 2020. Some submarkets, particularly Sun Belt growth corridors, are approaching saturation with 5-7 express washes within a 3-mile radius competing for the same customer base.

Wash counts at established sites in oversaturated markets have declined 10-20%. Before you acquire, map every competitor within a 3-mile radius AND check local permitting records for planned new builds. A site that was the only express option in its trade area may face 2-3 new competitors within 24 months.

Markets with zoning restrictions on new car wash construction offer the strongest competitive moats. The permit itself becomes a valuable intangible asset.

5 things I'd verify before writing an LOI

1. Membership penetration and churn. Total active members, monthly sign-ups vs cancellations, churn rate. Best-in-class: 1,500+ active members, 3-5% monthly churn. Below 25% membership penetration means theres upside but also means the current operator hasnt figured out how to convert customers. Above 50% means the recurring revenue base is locked in.

2. Real estate position. Owned vs leased? Current appraised land value? For leases, how many years remain including options and whats the annual escalation? Owned real estate on a high-traffic corridor provides a valuation floor. If the business underperforms, the land itself may be worth 40-60% of purchase price. Leased sites need at minimum 15 years remaining to justify tunnel equipment investment.

3. Equipment age and throughput. Express tunnel equipment has 10-15 year useful life. A 120-foot tunnel processing 100 cars/hour is a fundamentally different business then a 150-foot tunnel doing 200 cars/hour. Deferred maintenance or outdated equipment can require $500K-$1M in near-term capex. Subtract that from your valuation.

4. Weather sensitivity and seasonality. Get monthly wash count data for at least 3 full years. Northern markets see 40-50% revenue swings between summer and winter. Membership programs mitigate this because members pay whether they wash or not. Thats why high membership penetration is so valuable for underwriting.

5. Competitive moat and market saturation. Map every competitor within 3 miles. Check permitting records for new builds. A site in a zoning-restricted area where no new car washes can be built has a genuine moat. A site on a corridor with 3 new tunnels under construction has a serious problem.

Where to buy

Top markets based on year-round wash weather, population growth, and vehicle density:

1. Phoenix (year-round, massive growth, dust demand)

2. Dallas-Fort Worth (huge vehicle density, suburban sprawl, membership uptake)

3. Tampa-St. Pete (year-round, salt air corrosion drives wash frequency)

4. Nashville (growing suburban market, strong membership adoption, less competition)

5. Raleigh-Durham (tech demographics skew young and suburban, prime car wash customers)

Markets to approach with caution: Houston I-10/I-45 corridor (oversaturated with 6-8 express tunnels per submarket, price wars below $20/month memberships), South Florida Miami-Dade (intense competition, $3M+ per acre real estate, hurricane insurance headwinds), Las Vegas Eastern corridor (water restrictions limiting expansion, PE-backed competitor saturation).

The labor advantage

Car washes have one of the best labor stories of any industry Ive covered. Express tunnel model cuts labor to 3-5 employees per site. License plate recognition, kiosks, and RFID eliminate manual tasks. Average wage runs about $33K for tunnel attendants, $45-60K for site managers.

Turnover is 60-80% which is high but the express model means your less dependent on any individual employee compared to trades like HVAC or roofing. Automation is the moat here.

The SBA math

Single express site, $1.2M revenue, 35% SDE margin ($420K SDE). Buy at 5.0x SDE for $2.1M. SBA 7(a) at 90% LTV means $210K out of pocket. Year 1 cash flow around $185K after debt service. Grow membership 20% per year thru LPR upselling and first-month-free promotions. By year 3 your at $310K cash flow. Exit at 5.5x SDE to a PE platform in year 5 for $4.5M. Thats roughly a 38.5% IRR.

The conversion play is even more interesting. Buy a legacy full-service wash at 3.0x ($1.5M), invest $800K to convert to express tunnel with membership program. Revenue goes from $600K full-service to $1.6M express by year 3. Exit at 5.0x SDE for $3.8M. Thats a 45% IRR.

The honest risk assessment

• Oversaturation in Sun Belt corridors is real and wash counts at established sites in saturated markets have dropped 10-20%

• Membership fatigue as competitors engage in price wars dropping plans to $19.99/month

• Capital intensive: $3-6M for new builds, $500K-$1M for equipment refreshes every 10-12 years

• Weather dependency remains real especially in northern markets (40-50% revenue swings)

• Water restrictions in drought-prone Western markets can limit operations

• Rising utility and insurance costs (15-25% increases since 2022)

But the tailwinds are strong: subscription economy adoption is structural, 290M+ registered vehicles with record 12.6 year median age, environmental regulations pushing consumers to professional washes that reclaim 80-90% of water, and the top 10 operators control less then 15% of 60,000+ sites leaving massive room for consolidation.

TLDR

$15B market, 60K+ sites, express exterior with unlimited membership is the play. Buy single sites at 4-5x SDE with owned real estate and under 30% membership penetration (upside to grow to 50%+). Grow membership aggressively thru LPR upselling and promotions. Exit at 5.5-6x SDE to PE platforms or hold for cash flow. Express margins are 45-67% EBITDA with chemical costs under $1/car. Biggest risks are oversaturation in Sun Belt corridors and membership price wars. Best markets are growing suburban metros with limited competition and zoning restrictions on new builds.

This is the ninth deep dive Ive posted here. Car wash has the highest margins and strongest recurring revenue model of any industry Ive covered but the capital intensity and oversaturation risk make site selection the most important decision. If theres interest I'll keep posting these.

What industries are you all looking at? Anyone here own or looking to buy a car wash?

1862. Western Union installs telegraph lines across America and suddenly a boss in New York can fire someone in California without looking them in the eye.

One wire, entire crews gone, no conversation, just click and silence. Workers called it getting telegraphed out.

Tuesday morning Oracle did the same thing but faster.

30,000 employees opened their inbox at 6 AM to find five lines from Oracle Leadership saying your role has been eliminated and today is your last day.

Access revoked before they finished reading, no call from HR, no heads up from their manager, just a DocuSign link and a note that unvested stock was already gone.

So, I was making this project which has been completed due to help from many individuals from this community. And thanks to them, I launched my tool recently. And now I have been trying to get my first user. The problem is, I can't find any.

Then I found another tool which was like my tool but addressed the part which my tool missed along with having users. And it's UI was better and it got a good impression from me. I realised it just now that its UI actually reduced friction.

So I am thinking of improving my UI to recreate this feeling with visitors on my website. (The tool's directly available on the website without any wall between it so there's no friction. Rather, I am talking about my header, footer or other elements which are just below average in looks.) I am also thinking of adding other features which my potential users are complaining about.

I just don't know if I should get some users first, or make one or two features to make my tool more attractive.

Have you been in this situation? What did you do?