The short answer: yes, Washington taxes the labor
If you are collecting remodel bids and one of them has a sales tax line that adds thousands of dollars, that contractor is not padding the number. Washington treats residential construction as a retail sale, and the tax applies to the whole contract, not just the materials.
The Department of Revenue is blunt about it. Businesses performing retail construction services must collect and remit retail sales tax on their total charges, and the taxable amount includes charges for permits and other fees, labor, profit, materials and charges for subcontractors.
Read that list again: permits, labor, profit and subcontractors. There is no carve-out for the part of the job that is a carpenter's time.
Why the tax lands on everything
The logic makes more sense once you see how a contractor buys materials. Under Washington's rules, materials that become part of the completed project are purchases for resale, bought on a reseller permit. The cabinets and the flooring move through the contractor untaxed, and then the tax is collected once, from you, on the finished job.
So the state is not taxing your labor twice or sneaking a second bite. It is collecting one retail sales tax at the end of the chain, on the full price of what you bought, which happens to be a completed renovation rather than a box of tile.
The contractor still pays tax on its own consumables. The prime contractor is a consumer of everything not incorporated into the final project, including tools, equipment and supplies, and must pay retail sales tax or use tax on those items. That is one of many costs buried inside the price you are quoted.
Contractors also owe business and occupation tax on their gross receipts, and the state is explicit that there are no deductions for labor, materials, taxes or other costs of doing business. That one is the contractor's obligation, not a line on your invoice, but it is part of why Washington construction pricing looks the way it does.
A bid without sales tax is not a cheaper bid
Here is the practical problem when you are holding three estimates side by side. Contractor A shows the tax. Contractor B does not mention it. Contractor B looks cheaper by roughly a tenth of the job.
The tax is owed either way. The only question is whether you saw it before you signed or after work started.
Hypothetical example with round numbers, assuming a 10 percent combined rate for the arithmetic:
| Line | Bid A (tax shown) | Bid B (tax omitted) |
|---|---|---|
| Contract price | $118,000 | $115,000 |
| Washington sales tax | $11,800 | not shown, still owed |
| What you actually pay | $129,800 | $126,500 |
| What the bid looked like | $129,800 | $115,000 |
Bid B was in fact cheaper by a little. It looked cheaper by a lot. That gap is where remodel budgets go wrong.
When you normalize bids, put every estimate into the same shape: contract price, sales tax, allowances, and what happens when the scope changes. If a contractor cannot tell you the rate they will charge and the address they will source it to, that is a useful signal about how the rest of the paperwork will go.
The rate follows the job site, not the contractor's office
Washington sources retail construction services to the place the work happens. Contractors performing retail services must collect sales tax based on the rate of the jurisdiction where they perform the services. A Bellevue-based contractor working on your house in Puyallup charges the Puyallup rate. A Tacoma contractor working in Shoreline charges the Shoreline rate.
The state portion of the retail sales tax is 6.5 percent, and local jurisdictions stack their own rate on top, which is why the combined rate changes as you cross city lines.
Do not lock a rate into your budget from memory or from a blog post, including this one. Local rates change, and the Department of Revenue republishes the rate database quarterly. Look up your exact job-site address in the state's tax rate lookup tool before you sign, because two houses on opposite sides of the same street can sit in different taxing districts, and an unincorporated county address often carries a different rate than the city next door.
One more wrinkle worth knowing: your rate is tied to the property, not to your own shopping habits. It does not matter where the cabinets were bought or where the crew is headquartered.
Where sales tax sits in a pay-at-closing payoff
If you are renovating with FLYP's pay-at-closing program, you pay nothing upfront and nothing during construction, and the balance is repaid from the proceeds when the home sells. That makes the payoff figure the number that matters, so it is worth knowing exactly what is in it.
A FLYP payoff is made of four things and nothing else:
- The fixed contract price on the signed estimate
- Washington sales tax
- Any change orders you signed
- The county recording fee
Sales tax is calculated on the contract price, including signed change orders, at the rate for your property's address. It is not a FLYP charge and it is not a program fee. It is the state and local tax that any licensed contractor doing the same work would be required to collect. FLYP earns a normal general contractor margin, and that margin is already inside the fixed price rather than added on top.
What can make the payoff grow
The rest of the terms belong in the same picture, because the payoff can grow if the sale takes a long time. There is no interest during the renovation and none for six months after the work is finished. After that, the balance accrues 1.5 percent per month, and paying it off early stops the interest.
Ten months after completion the balance is due directly, whether or not the home has sold. The balance is secured by a deed of trust recorded against the property, signed in front of an independent notary before work starts and released within ten business days of payoff. The plain-language summary of all of it lives at how the process works.
A hypothetical payoff, line by line
Hypothetical example, round numbers, using a 10 percent combined rate purely for the arithmetic:
| Line | Amount |
|---|---|
| Fixed contract price | $120,000 |
| Signed change order (added bath vanity and electrical) | $6,000 |
| Taxable contract total | $126,000 |
| Washington sales tax at 10 percent | $12,600 |
| County recording fee | actual cost, varies by county |
| Payoff at closing, if closed within six months of completion | $138,600 plus the recording fee |
If that home sat unsold and the balance went past the six-month mark, interest would begin accruing at 1.5 percent per month on the balance, so a slow market costs real money.
And the honest caveat: a homeowner can lose money or equity on a renovation. Markets move, a home can sell for less than projected, and the tax and the contract price are owed regardless of what the buyer pays.
That is why FLYP underwrites to a minimum 1.30x coverage ratio before taking a project: projected net proceeds, meaning the projected after-renovation value less selling costs and less the balance of every senior lien, divided by the maximum amount that could ever become payable to FLYP, has to be at least 1.30. It is an underwriting safety margin, not a return and not a promise about the sale. Projects that do not clear that bar are often better served by a smaller paid remodel or by selling as-is.
Questions to ask any contractor before you sign
- Is sales tax included in the contract price, or added at invoicing?
- What rate are you charging, and what job-site address are you sourcing it to?
- If the rate changes mid-project, which quarter's rate applies to which invoice?
- Are permits, design fees and subcontractor charges inside the taxable contract price? Under Department of Revenue guidance they generally are.
- How are change orders documented, and is tax calculated on them too?
- If I am selling, what is the total payoff number, tax and fees included?
Tax treatment can differ if you are a developer building to sell rather than a homeowner hiring a contractor for your own home, and the sale itself brings other questions, including Washington's real estate excise tax and your capital gains position. Those are CPA and attorney questions, not contractor questions, and they are worth asking early. Nothing here is tax or legal advice.
The bottom line
Washington sales tax on a remodel is not optional and it is not negotiable, so the only thing a missing tax line changes is how surprised you are later. Ask for the rate, ask for the job-site address it is sourced to, and compare bids with the tax included in both.
If you want a renovation estimate where the contract price, the sales tax and the payoff math are all on one page before you commit to anything, start here.
