How to Start a Cleaning Business in Washington (2026 Step-by-Step Guide)

Starting a cleaning business in Washington takes five moves: register the business, get a Washington business license, set up insurance, put up a bookable website, and land your first clients. The Washington detail to know is the state's tax setup: routine cleaning is not charged retail sales tax, but you pay the Business and Occupation tax on your gross receipts. My sister Jen and I built Oak Bay Clean to $2.8M in sales over four years on a model that works in any market, and this is the Washington version, with the actual costs, the tax rule, and where your first clients come from in Seattle, Spokane, and Tacoma.

The model Jen and I use does not require you to buy supplies, a van, or equipment. You hire independent contractors who bring their own supplies, clients book online and leave a card on file, and you pay your cleaners out of money the client has already paid. That is what keeps the startup cost low, even in a high-price market like Seattle.

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The short answer: how to start a cleaning business in Washington

Here is the whole path in order. The rest of this post backs up each step with Washington numbers.

• Cleaning the houses yourself, lowest cost: start as a sole proprietor for under $300 and add an LLC later.
• Building a company that runs without you: form an LLC ($200), get your Washington business license, set up insurance, and put up a bookable website.
• The Washington tax detail to know: routine cleaning is not subject to retail sales tax, but you pay the Business and Occupation tax on your gross receipts, so register for a state business license from the start.
• Fastest to your first paying client: email Realtors and property managers about move-out cleans while your Google ranking builds.

For most people who want a business rather than a job, the company path is the one Jen and I teach, and it is what the rest of this guide walks through.

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How much does it cost to start a cleaning business in Washington?

You can start a cleaning business in Washington for under $300 if you clean the houses yourself, or for roughly $800 to build a company, because Washington layers a state business license on top of the LLC. The LLC costs $200 and the state business license runs about $50.

Here are the Washington line items for the company path:

Washington is one of the few states that requires a separate state business license and UBI number in addition to forming the LLC, so budget for both. The annual report is $70, due in your LLC's anniversary month. The reason the rest of the startup cost stays low is the contractor model. For the full breakdown, read how much it costs to start a cleaning business.

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Do you need a license or permits to clean houses in Washington?

Washington has no statewide license specific to house cleaning, but every business needs a Washington business license, which comes with your UBI number, through the Department of Revenue. This is general information and not legal advice, so confirm your own city's rules before you start.

A few Washington specifics:

• State business license and UBI. You apply through the Washington Department of Revenue, which registers you for the B&O tax and gives you your UBI number.
• City license. Some cities add their own license or endorsement. Seattle, for example, requires a business license tax certificate, so check your city.
• Workers' compensation. Washington requires workers' compensation once you have employees. On the contractor model your cleaners are independent contractors rather than employees.

For the general version of this question, read do I need a license to start a cleaning business.

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Do you charge sales tax on cleaning services in Washington?

It depends on the kind of clean. Routine, recurring janitorial and house cleaning is not subject to retail sales tax in Washington, and is instead taxed under the Service and Other Activities Business and Occupation tax on your gross receipts. One-time or specialized cleaning, like post-construction cleaning, is treated as a retail sale, so you charge retail sales tax on it. This is general information and not legal advice, so confirm your situation with the Washington Department of Revenue.

What this means in practice:

• Recurring residential and commercial cleaning: no retail sales tax to charge the client, but you report the income and pay the B&O tax on your gross.
• One-time and post-construction cleans: treated as retail, so you charge retail sales tax and send it in.
• You register once through the state business license, which sets up both the B&O account and sales tax collection.

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How do you register your cleaning business in Washington?

You register a Washington cleaning business by filing a Certificate of Formation with the Secretary of State for $200, then applying for the state business license through the Department of Revenue. Most cleaning owners choose an LLC because it separates personal assets from the business.

The order Jen and I would follow:

1. Pick your name. Use your city or neighborhood plus the word clean or cleaning, like Ballard Clean or Tacoma Cleaning Services. That is what gets you found on Google and AI search. We walk through this in how to name a cleaning business.
2. File the Certificate of Formation with the Washington Secretary of State, $200.
3. Get an EIN from the IRS, which is free and takes a few minutes online.
4. Apply for your Washington business license through the Department of Revenue to get your UBI and register for the B&O tax.
5. Set up general liability insurance before you take on clients, and file the $70 annual report each year.

You can clean as a sole proprietor first and form the LLC once the money is coming in. There is no wrong order as long as you have your local registration and insurance before you are charging clients at scale.

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Where do you find your first cleaning clients in Washington's cities?

Your first clients in Washington come from two places: Realtors and property managers who need move-out cleans, and Google once your business name and profile are set up. The paid social following you think you need is not where the money is.

Move-out cleans are the fastest opening, because most cleaners avoid them. Seattle, Spokane, Tacoma, Bellevue, Vancouver, and Everett all move a steady volume of homes, and Realtors and property managers book these constantly. One relationship like that did a lot for us. One email to a Realtor named Danielle turned into 47 cleans over the following years, which is $16,718.34 in revenue from a single email.

Three things to get right before you spend a dollar on ads:

• Answer the phone. About 70% of cleaning companies do not answer on the first try, and only 30% call back after a voicemail. Answering puts you ahead of most of your competition in any Washington city.
• Put your prices online. About 95% of cleaning companies have no transparent pricing on their site. Flat-rate prices a client can see are the biggest thing standing between a lead and a booking.
• Let people book at 10pm. A live booking widget that takes the card means you capture clients while they are interested, without a phone call.

The tool Jen and I use for both of these is ConvertLabs. It puts an instant-quote form on your site, so a client picks their options, sees a flat-rate price on the spot, and books with a card in about 60 seconds. Our own widget turns about 33% of the people who fill it out into paying clients. You can get 30 days free at convertlabs.io/blueprint. That is an affiliate link, so Jen and I earn a fee if you sign up, at no extra cost to you.

For the full playbook, read how to get clients for a cleaning business.

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Where do you find cleaners in Washington?

You find cleaners in Washington the same way you find clients, by posting where people already look for work and screening for reliability over experience. Your cleaners are independent contractors who set their own availability and bring their own supplies. You are screening for dependable people who will represent your brand well.

Indeed, Facebook groups, and Craigslist still work across Washington's metros, and the state's large service workforce means there are people looking. Washington does not have a worker-classification law as strict as California's, so the independent contractor model is straightforward here, though you still follow the federal IRS rules on who counts as a contractor. This is general information and not legal advice. Hire for reliability and communication, pay your cleaners well, which on our model is 60% of the job, and treat the relationship as a partnership. We cover the full process in how to find and hire cleaners.

New owners worry about three things with contractors. Here is how the model answers each.

• Quality control. You bring on cleaners who already know how to clean, so quality comes from feedback rather than training. Clients rate every clean, you pass that straight to the cleaner, and anyone who slips stops getting offered work. Your standard travels through the feedback loop.
• Will a cleaner take my clients? The client books, pays, and keeps a card on file through your system, so the relationship and the billing stay with your brand. Your contractors get a steady stream of pre-sold jobs they never had to find or quote, which is what they would give up by going around you. A non-solicitation clause in your contractor agreement backs it up.
• Could I get in trouble for treating employees like contractors? You keep them genuine independent contractors through how the work runs. You offer gigs through ConvertLabs and they accept or decline, they wear their own clothes, take their own transport, and bring their own supplies, and you set what a finished home should look like while they choose how to get there. Put that in a written contractor agreement and it holds up to the control test above.

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Is a cleaning business profitable in Washington?

A cleaning business is profitable in Washington, and Seattle's high cost of living works in your favor. Jen and I built our own business, Oak Bay Clean, to about $2.8M in sales since July 2021 at roughly a 28% margin, running it with 18 cleaners, from Canada. The same model works for the owners we coach across Washington, because profit comes from the model, not the zip code.

The way we set prices is to charge flat-rate packages by square footage and number of bathrooms, landing around 75 to 80% of the most expensive cleaner in your market. In a high-price metro like Seattle or Bellevue, that ceiling is high, so a well-run cleaning business there can carry strong margins. Clients pay at the time of the clean, your contractors are paid out of that same money, and you keep the spread. Just remember to set aside your B&O tax on the gross, since it is a cost of doing business in Washington.

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Frequently asked questions

How much does it cost to start a cleaning business in Washington? Under $300 if you clean houses yourself, or about $800 to build a company. The LLC is $200, the state business license runs about $50, and the annual report is $70.

Do I need a license to start a cleaning business in Washington? There is no cleaning-specific license, but every business needs a Washington business license and UBI number through the Department of Revenue, and some cities like Seattle add their own. This is general information, not legal advice.

Do I charge sales tax on cleaning in Washington? Routine, recurring cleaning is not charged retail sales tax; it is taxed under the B&O tax on your gross receipts. One-time and post-construction cleans are treated as retail and do carry sales tax.

Do I need an LLC to clean houses in Washington? No, you can start as a sole proprietor, but many owners form an LLC to separate personal assets from the business. A Washington LLC costs $200 to file plus the state business license and a $70 annual report.

How do I get my first cleaning clients in Washington? Email Realtors and property managers about move-out cleans, set up your Google Business Profile, and put transparent prices and a booking widget on your site. One Realtor relationship was worth $16,718.34 to our business over time.

How much can a cleaning business make in Washington? There is no structural cap once you have a team. Our own business has done about $2.8M since July 2021 at a 28% margin. Seattle and its suburbs support strong prices, so a well-run business there can carry healthy margins.

Should I start with residential or commercial cleaning in Washington? Residential. Clients pay at the time of the clean, so the money funds the business. Recurring residential cleaning is also free of retail sales tax in Washington. Commercial pays slower, so add it later, once your cash flow can carry it.

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Where to start

The steps are the easy part. Getting your first clients and keeping good cleaners is the work, and that is exactly what Jen and I walk through in the free 22-Day Cleaning Business Master Checklist and the 22-Day Blueprint ebook. A few guides that pair well with this one:

• How to start a cleaning business in 2026 (step-by-step guide)
• How much does it cost to start a cleaning business
• How to name a cleaning business
• How to get clients for a cleaning business