How much does a Concrete Washout Service cost to buy?

A typical Concrete Washout Service sells for 2x to 4x annual revenue. With average revenue of $320K, expect to pay $640K to $1.3M.

How much does it cost to start a Concrete Washout Service?

Startup costs range from $25K to $80K depending on location, equipment, and scale.

Route

Concrete Washout Service

Q: What are the profit margins for a Concrete Washout Service?

The average profit margin for a Concrete Washout Service is around 42%. At $320K revenue: labor for driver/service crew runs 25–30%, containment unit materials (bags or liner replacement) adds 10–15%, vehicle and disposal fees add 12–15%, and insurance/overhead adds 8%. Net margins of 40–48% are achievable for owner-operators. Multi-truck operations compress to 30–38%.

Construction sites legally can't dump concrete rinse water — you pick it up

Every concrete pour generates 50–300 gallons of washout water — the slurry left in mixer drums and wheelbarrows after a pour. Under Clean Water Act NPDES permits and most state stormwater regulations, this alkaline waste (pH 11–13) cannot be discharged to storm drains, ground, or nearby waterways. Construction sites serving federally funded projects or operating in regulated states must document proper disposal. Concrete washout service operators deliver portable containment systems (bags, bins, or bermed pits) to active job sites and pick up the solidified waste for recycling or permitted disposal. The model is nearly identical to porta-potty rental — a recurring service route with consumable materials and a legally required need.

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Avg Revenue

$320K

Profit Margin

42%

Acquisition Multiple

2x - 4x

Startup Cost

$25K - $80K

Difficulty

2/5

How It Works

The operator targets general contractors, concrete subcontractors, and construction site managers. They deliver washout containment units — either portable fabric bags ($15–$40 each, single-use) or reusable bins — at the project kickoff, service them weekly or after major pours, and haul the solidified waste to a permitted recycling or disposal facility. Some operators partner with concrete recyclers who accept washout solids as aggregate fill. Billing is typically per-pickup or per-month per site. Operators build recurring route density by partnering with concrete ready-mix companies who recommend the service to all new pours.

Revenue Range

Low End

$150K

Typical

$320K

High End

$700K

Pros

+Legally mandated service — construction projects with NPDES permits face fines for improper washout disposal, making this a compliance purchase
+Identical business model to porta-potty rental: recurring service route, consumable materials, sticky B2B clients
+General contractors prefer one vendor handling waste compliance to avoid liability — creates relationship stickiness
+Low startup cost relative to revenue: a used pickup, containment units, and NPDES compliance knowledge is the core asset

Cons

-Service is tied to active construction cycles — economic slowdowns reduce new project starts and hurt route density
-Waste disposal requires permitted hauling and access to a concrete recycler or permitted disposal site
-Highly regional — route density only works in construction-active markets; rural areas won't support a full route

Best For

Operators in high-construction-activity markets who want a compliance-driven route business with low overhead and strong contractor relationships

Operating Costs

At $320K revenue: labor for driver/service crew runs 25–30%, containment unit materials (bags or liner replacement) adds 10–15%, vehicle and disposal fees add 12–15%, and insurance/overhead adds 8%. Net margins of 40–48% are achievable for owner-operators. Multi-truck operations compress to 30–38%.