Pressure Washing Insurance, Without the Jargon
A solo operator needs one policy before the first job — general liability, typically $50–$150 a month — and three more that switch on as the business grows. Here's each one, what it really covers, and the exclusion almost everyone learns about too late.
You point pressurized water and chemicals at other people's property for a living. Insurance isn't a compliance checkbox in this trade — it's what makes the business survivable, and it's the ticket into commercial work.
The Coverage Stack, in the Order You Add It
General liability
Before the first job
$50–$150/mo
Damage to the customer's other property and injuries to third parties — the cracked window, the chemical-burned hedge, the slip on a wet walkway.
Commercial auto
When the truck works daily
$100–$250/mo
Your vehicle used for business. Personal auto policies can deny claims that happen while working — hauling a rig to a job site is exactly that.
Equipment / inland marine
When gear passes ~$5k
$15–$50/mo
Theft or damage to machines, reels, and surface cleaners — including off-premises and in transit, which standard property coverage misses.
Workers compensation
The day you hire
Varies by payroll
Employee injuries. Required by most states from the first hire — including part-time and paid-cash helpers. Many commercial contracts ask for it too.
Cost ranges are typical quotes for new solo residential operators as of 2026 — your services, state, and history move them.
What General Liability Actually Covers
The pattern to remember: GL protects everything around the work — and usually not the work itself. That second column is the care, custody, or control exclusion, and it's the single most misunderstood clause in this trade.
Typically covered
- Cracked window from spray or debris
- Chemical overspray killing plants or staining a car
- Water driven under siding into a wall or garage
- A visitor slipping on a surface you left wet
- Damage to a neighbor's property from drift
Typically excluded
- Etching or wand stripes on the surface you were cleaning
- Oxidation streaks revealed on the siding you washed
- Your own equipment, stolen or damaged
- Your injuries as the owner-operator
- Jobs outside your policy's classified operations (e.g. roofs, if not declared)
What Moves Your Premium
Insurers price pressure washing on what you do, how much of it you do, and who does it. A flatwork-only solo operator is the cheapest version of this business to insure; every added service and hire moves the number.
Get quotes from both a local independent broker (knows your state's contractor market, can shop carriers, invaluable at claim time) and the online small-business insurers (fast, cheap, same-day COIs). Many operators start online for speed and move to a broker as the business grows.
Services offered
Flatwork-only is the cheapest class; house washing, roofs, and work at height raise it
Annual revenue
Premiums scale with billing — insurers audit, so estimate honestly but don't overstate
Employees
Each hire adds GL exposure and triggers workers comp in most states
Claims history
One paid claim follows you for 3–5 years of quotes
Limits & deductible
$1M/$2M is the commercial standard; a higher deductible trims the premium
COIs: The Document That Unlocks Commercial Work
Every property manager, HOA, and national account asks for the same thing before you touch their concrete: a certificate of insurance showing $1M/$2M general liability, usually with their entity named as additional insured. No COI, no bid — it's the first filter they apply, before price.
This is also why insurance is a revenue decision, not just a defensive one: commercial visits bill $500–$2,500 against the same monthly premium. Modern insurers issue COIs same-day from a dashboard; if yours needs a week, that's a reason to switch. How to actually win those bids is covered in How to Quote Commercial Pressure Washing Jobs and the commercial rates guide.
The Cheapest Claim Is the One You Prevent
- Photograph every surface and its surroundings before you start — timestamped
- Walk the property with the customer and note pre-existing damage on the quote
- Test-spot chemicals on siding, and wet down plants before and after treating nearby surfaces
- Tape or bag electrical outlets, doorbells, and fixtures before washing walls
- Keep your written scope on the quote — disputes shrink when the document is clear
A written scope helps here too: SurfaceMeasure quotes carry the measured area and a satellite snapshot of exactly what's included, so "you missed a section" conversations end at the PDF.
Four Mistakes That Void the Point
Relying on a homeowner's policy
Homeowner's and personal umbrella policies exclude business activity. The first question an adjuster asks is whether you were being paid.
Buying a policy that misclassifies the work
A generic "handyman" or "cleaning service" classification can void claims from pressure washing operations. The policy should name pressure/power washing explicitly.
Letting it lapse in the off-season
Claims can surface months after the job, and a lapse resets your continuous-coverage history — which is itself priced. Ask about seasonal adjustments instead of cancelling.
Skipping the additional-insured endorsement
Commercial clients don't just want to see your COI — they want to be named on it. Confirm your policy includes blanket additional-insured before bidding commercial work.
Insurance Questions Contractors Ask
Costs, legal requirements, the big exclusion, and commercial limits.
For a new solo operator doing residential flatwork, general liability with $1M/$2M limits typically runs $50–$150 per month. Adding services raises it: house washing and roof cleaning (chemicals near landscaping, work at height) push premiums up, as do employees, higher revenue, and prior claims. Commercial auto adds roughly $100–$250 per month if your truck is rated for business use.
In most states there's no law requiring a solo residential washer to carry insurance — but that's the wrong question. Commercial clients and property managers require a certificate of insurance before you set foot on site, some cities require proof of GL for a business license, and one damaged surface can cost more than a decade of premiums. Practically, the business doesn't exist without it.
Usually not — this is the exclusion that surprises the most contractors. GL covers damage to other property (a cracked window, chemical-burned hedges, water in a garage) but most policies exclude the property you're directly working on, under the care, custody, or control exclusion. Wand-etched concrete or striped vinyl on the surface you were hired to clean is typically treated as a workmanship issue, not a covered claim. Ask your broker directly how the policy handles damage to the work area itself.
Most states don't require workers comp for a business with no employees, and many let owners exempt themselves. Two caveats: the day you hire — even a part-time helper paid cash — most states require it immediately, and some commercial contracts require workers comp (or a formal owner exemption certificate) regardless of headcount. Check your state and your target clients before assuming you're exempt.
The standard ask from property managers and HOAs is $1M per occurrence / $2M aggregate general liability, with the client named as additional insured on the certificate. Larger properties and national chains sometimes require higher limits plus commercial auto and workers comp evidence. If you plan to bid commercial work, buy $1M/$2M from the start — upgrading later mid-bid takes days you won't have.
This guide is general information for contractors, not insurance or legal advice — policies differ by carrier and state, so confirm specifics with a licensed agent or broker.
Covered? Keep Building
Insurance is step two of the launch plan — here's the rest.
Insured, Legal, and Ready to Quote
With coverage in place, the next competitive edge is speed — measure any property from satellite and get a scoped, professional quote out the same hour.