What county is Boise in, and which office handles title transfers?
Boise is in Ada County. Title transfers are handled by the Ada County DMV at 300 N Benjamin Ln, Boise, ID 83704. Hours: Mon–Fri 8:00 AM–5:00 PM. Phone: (208) 577-4760.
Boise, Idaho
Boise, Idaho Trailer Bill of Sale
Use this bill of sale when selling a trailer in Boise, Idaho. It documents the transfer and helps you complete DMV title paperwork.
Boise, IdahoTrailerPopulation rank #2436
A Boise, Idaho trailer bill of sale is a legal document that records the transfer of ownership between a private buyer and seller in Boise. As of 2026, Idaho requires both parties to sign the bill of sale, and the buyer must present it at the ID DMV to complete title transfer.
How to Complete a Trailer Bill of Sale in Boise
- Verify the trailer VIN and run a history check
- Complete all fields on the bill of sale — buyer name, seller name, sale price, date, and vehicle description
- Both parties sign the bill of sale and retain a copy
- Seller signs the back of the title, transferring ownership to the buyer
- Buyer brings the signed title and bill of sale to the Ada County DMV to complete title transfer
What to include
- Buyer and seller names and addresses
- Trailer VIN and vehicle details
- Sale price and date
- Signatures from both parties
Next step
Create a compliant bill of sale and download the signed PDF immediately.
Boise at a glance
Population
235,701
Median Household Income
$81,308
With a median household income of $81,308, used trailer pricing in Boise tends to track the local market — document the agreed price on your bill of sale to support the Idaho tax assessment. Source: US Census Bureau, ACS5-2023.
Local Requirements — Ada County
DMV / Title Office
Ada County DMV
Address
300 N Benjamin Ln, Boise, ID 83704
Phone
(208) 577-4760
Office Hours
Mon–Fri 8:00 AM–5:00 PM
Transfer Fees & Taxes
Title Transfer Fee
$14.00
Sales Tax Rate
6.00%
Base Registration Fee
$45.00
Idaho state rate 6% — no local sales tax on vehicles
Notarization: NOT REQUIRED
Idaho does not require notarization for private vehicle sales. A signed title is sufficient.
Boise Transfer Checklist
- Title transfer at the Ada County Assessor Motor Vehicle office within 30 days
- Idaho sales tax of 6% collected at title transfer
- Seller must sign the title and disclose odometer reading
- Emissions testing required in Ada County
County Information — Ada County
Trailer market data and safety information
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.
Safety checkpoints for buying a used trailer
Before completing a trailer bill of sale in Idaho, verify these safety items:
- Inspect hitch coupler and safety chains for wear and proper rating
- Check all lighting connections — trailer lights are the #1 reason for roadside stops
- Verify axle alignment and tire wear patterns
- Test electric or surge brakes if equipped
- Confirm breakaway switch and battery function on braked trailers
- Verify VIN/serial plate is intact and matches title
- Check D-ring tie-down ratings and weld integrity
- Inspect ramp gate hinges and locking pins for safe operation
Trailer insurance and depreciation in Idaho
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.
Trailer registration and titling
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.
Idaho bill of sale statistics
BillOfSaleNow has generated 541 bill of sale documents for Idaho transactions, with 15 generated this month alone. The most popular vehicle type is car.
Why Documentation Helps Protect Asking Price
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)
5 Things to Check Before Buying a Trailer in Boise
- Run a VIN history report — accidents, odometer rollback, salvage title
- Confirm the title is in the seller's name and matches the VIN on the vehicle
- Check for any active liens — call the lender or run a lien search with the Idaho DMV
- Meet at a safe, public location and bring a friend or mechanic
- Never hand over cash until the title is properly signed and the bill of sale is complete
Trailer title transfer deadline in Idaho
Idaho gives the buyer 30 days from the sale date on the bill of sale to complete the trailer title transfer at the Ada County DMV in Boise. Miss the 30-day window and Idaho charges a late-transfer penalty of typically $25-50 plus accrued use tax, and the seller can still appear on the title for civil liability if the buyer crashes the vehicle before retitling. Keep your signed bill of sale and the assigned title together and file as soon as you can, even if registration plates will be transferred later.
VIN inspection. Out-of-state vehicles require a VIN/odometer inspection by law enforcement or DMV before Idaho title is issued.
File at the Ada County DMV (300 N Benjamin Ln, Boise, ID 83704). Bring the signed title, the completed Boise bill of sale, your ID, and payment for the $14.00 title transfer fee plus 6.00% sales tax on the purchase price.
Trailer mechanical pre-purchase checklist for Boise buyers
Before you sign the Boise bill of sale, walk through this inspection on thetrailer. A pre-purchase inspection costs $100-200 and routinely uncovers $1,000+ in deferred maintenance — that is the figure you negotiate off the price or walk away from entirely. Use this list as your shortlist when you meet the seller or when a local mechanic looks the vehicle over.
Common mechanical issues to inspect
- Pull a wheel and inspect bearings for pitting and dry packing
- Check tire DOT codes — trailer tires age-fail before they wear out
- Verify deck/floor boards are not rotted or split (especially on wood-deck trailers)
- Test brake magnets with a multimeter — should read 3.2 ohms per assembly
- Inspect frame welds for cracks at hitch and axle mounting points
- Verify spring shackles and equalizer bushings are not worn or seized
Safety checkpoints
- Inspect hitch coupler and safety chains for wear and proper rating
- Check all lighting connections — trailer lights are the #1 reason for roadside stops
- Verify axle alignment and tire wear patterns
- Test electric or surge brakes if equipped
- Confirm breakaway switch and battery function on braked trailers
- Verify VIN/serial plate is intact and matches title
Title documentation notes. Trailer titling rules vary widely by state and weight: trailers under 2,000–3,000 lbs are often title-exempt and transfer with a bill of sale only, while trailers above the state threshold require a standard certificate of title with the trailer’s VIN/serial number. Homemade or untitled trailers usually require a state inspection and an assigned VIN before first registration. Federal odometer disclosure does not apply to any non-self-propelled trailer.
Reviewed by our Idaho legal research team
BN
Our Boise, Idaho trailer bill of sale research is anchored to Idaho statute citations including 49 CFR Part 580 — Odometer Disclosure Requirements, and reviewed against current Idaho DMV publications by Marcus J. Webb, J.D., Legal Content Advisor. Marcus J. Webb specializes in vehicle title law and ucc article 2 and routinely verifies fee schedules, notarization rules, and transfer deadlines for the BillOfSaleNow editorial team. Every Boise requirement on this page reflects the most recent guidance from the Ada County DMV and the underlying state transportation code.
Frequently asked questions
What is the sales tax rate on a trailer sale in Boise?
The combined rate is 6.00%. Idaho state rate 6% — no local sales tax on vehicles.
Is notarization required for a trailer bill of sale in Boise?
No. Idaho does not require notarization for private vehicle sales. A signed title is sufficient.
What fees should I expect when transferring a trailer title in Boise?
Title transfer fee: $14.00. Base registration fee: $45.00. Sales tax at 6.00% is collected at the time of title transfer.
How long do I have to transfer a trailer title in Boise?
Idaho requires the buyer to transfer the title within 30 days of the sale date. Late transfers may incur penalty fees at the DMV. Bring your signed bill of sale and the assigned title to the Ada County DMV.
Can I sell a trailer without a title in Boise?
In most cases, no. Idaho requires a clean title to complete a private vehicle sale. If the title is lost, the seller must apply for a duplicate title before selling. The bill of sale alone does not transfer legal ownership.
What documents do I need to buy a trailer in Boise?
You will need: (1) the signed title from the seller, (2) a completed bill of sale, (3) a valid government ID, and (4) payment for the title transfer fee ($14.00) and sales tax (6.00%). Bring all documents to the Ada County DMV.
Is a bill of sale legally binding in Boise?
Yes. A properly signed bill of sale is a legally binding document that protects both the buyer and seller. It records the agreed-upon sale price, date, and vehicle details. Sellers should keep a copy to prove they are no longer liable for the vehicle after the sale date.