City release page
Use this bill of sale when selling a trailer in Seattle, Washington. It documents the transfer and helps you complete DMV title paperwork.
Create a compliant bill of sale and download the signed PDF immediately.
DMV / Title Office
WA DOL – Seattle Driver Licensing Office
Address
2200 E Cherry St, Seattle, WA 98122
Phone
(360) 902-3900
Office Hours
Mon–Fri 8:30 AM–4:30 PM
Title Transfer Fee
$15.00
Sales Tax Rate
10.25%
Base Registration Fee
$43.75
Washington state rate 6.5% + King County/Seattle local rate 3.6% + Sound Transit 0.15%
Washington does not require notarization for private vehicle sales.
County Clerk / Recorder
King County Recorder
Phone
(206) 296-1570
The most common trailer makes in private-party sales are Big Tex, PJ Trailers, Carry-On, Sure-Trac, Load Trail. Average private-party trailer prices range from $1,500–$15,000. Trailers average 1.5 NHTSA recalls per model across categories including Tires, Electrical (lighting), Axle/Suspension.
Before completing a trailer bill of sale in Washington, verify these safety items:
Trailer insurance is optional in most states unless financed. Physical damage coverage is $100–$300/year. Utility trailers hold value exceptionally well — quality steel trailers retain 70–80% of value over 10 years. Peak season for private trailer sales is spring through early summer when landscaping and construction picks up, with an average of 14 days on market.
Trailers are classified as "Utility trailer (weight-class dependent)" for registration purposes. Trailers under 3,000 lbs may not require registration in some states. Over 3,000 lbs requires title and registration in most states. Federal odometer disclosure does not apply to trailers.
Seattle residents completing a trailer bill of sale should be aware of local requirements in addition to Washington state rules. The state sales tax rate is 6.5%, 6.5% state plus local taxes (total up to ~10.4%). The most popular trailer makes in Washington include Big Tex, PJ Trailers, Carry-On.
BillOfSaleNow has generated 2,241 bill of sale documents for Washington transactions, with 60 generated this month alone. The most popular vehicle type is car.
45% faster sale
Vehicles whose listings include a history report spend ~45% less time on site before selling, and report-viewers are 5x more likely to become a lead.
Source: Experian / AutoCheck
$4,000 avg loss
NHTSA estimates 450,000+ vehicles per year are sold with rolled-back odometers — the average victim loses about $4,000 in downstream repair costs.
Source: NHTSA
17.5M private sales/yr
About 17.5 million private-party vehicle transactions happen in the U.S. each year — roughly 47% of the used market.
Source: Cox Automotive 2024
1 in 3 buyers
Roughly 1 in 3 used-car buyers say they suspect private sellers are hiding mechanical problems — documentation closes that trust gap.
Source: JW Surety Bonds (n=3,000)
Seattle is in King County. Title transfers are handled by the WA DOL – Seattle Driver Licensing Office at 2200 E Cherry St, Seattle, WA 98122. Hours: Mon–Fri 8:30 AM–4:30 PM. Phone: (360) 902-3900.
The combined rate is 10.25%. Washington state rate 6.5% + King County/Seattle local rate 3.6% + Sound Transit 0.15%.
No. Washington does not require notarization for private vehicle sales.
Title transfer fee: $15.00. Base registration fee: $43.75. Sales tax at 10.25% is collected at the time of title transfer.