Thornton, Colorado
Thornton ATV Bill of Sale Requirements
Complete requirements checklist for a atv bill of sale in Thornton, Colorado (Form DR 2173). Includes exact fees, notarization rules, and where to file at the Adams County Motor Vehicle.
Fees, notarization rules, and filing addresses on this page are reviewed against 49 CFR Part 580 — Odometer Disclosure Requirements and the Adams County Motor Vehicle. Source documents are cross-checked each quarter so Thornton buyers and sellers always see the current Colorado atv bill of sale standard, not stale third-party summaries.
Title Transfer Fee
$7.20
Sales Tax Rate
8.75%
Notarization
Not Required
Required Fields — Thornton ATV Bill of Sale
All of the following must appear on a valid atv bill of sale in Thornton, Colorado per Form DR 2173:
- ✓Full legal name and current address of seller
- ✓Full legal name and current address of buyer
- ✓Agreed sale price (in numerals and words)
- ✓Date of sale
- ✓ATV year, make, model, and body style
- ✓17-character VIN (Vehicle Identification Number)
- ✓Odometer reading at time of sale (federal disclosure required for most motor vehicles under 10 years old)
- ✓Signature of seller
- ✓Signature of buyer
Notarization in Thornton: Not Required
Colorado does not require notarization for a atv bill of sale. Colorado does not require notarization for private vehicle sales. Both parties simply sign and date the completed form in the presence of each other.
Colorado ATV transfer fees and requirements
In Colorado, the title transfer fee is $7.2 and registration costs $50 - $100+ based on vehicle weight and age. ATV sales are subject to 2.9% state plus local taxes; ownership tax based on age. Colorado does not require notarization for private-party atv transfers. Emission testing is required in Colorado — verify the atv passes before completing the sale.
- Emissions testing required in Denver metro and northern Front Range
- Ownership tax calculated based on vehicle taxable value
- VIN verification required for out-of-state vehicles
Official Colorado bill of sale form
The official Colorado bill of sale form is DR 2173 (Bill of Sale for a Motor Vehicle). BillOfSaleNow generates a document that meets all Colorado requirements and can be used in place of the official form.
Colorado sales tax on atv purchases
Colorado has a 2.9% state sales tax rate. 2.9% state plus county/city taxes (total 3–10%). Private-party atv sales in Colorado are subject to sales tax. Sales tax applies; ownership tax also assessed based on vehicle age. The title transfer fee is $7.
ATV market data and safety information
The most common atv makes in private-party sales are Polaris, Can-Am, Honda, Yamaha, Kawasaki. Average private-party atv prices range from $2,000–$12,000. Atvs average 2.1 NHTSA recalls per model across categories including Fuel System, Steering, Suspension.
Safety checkpoints for buying a used atv
Before completing a atv bill of sale in Colorado, verify these safety items:
- Check CV boots and axle condition — the most common failure point on ATVs
- Inspect skid plate and frame for cracks from off-road impacts
- Verify winch operation if equipped
- Test 4WD engagement and differential lock
- Confirm parking brake holds on a slope
- Verify throttle limiter is intact and free of binding
- Test kill switch and engine-off function
- Inspect handlebars for crash bend or weld repair
ATV insurance and depreciation in Colorado
ATV insurance is required for on-road use in states that allow it. Off-road coverage averages $100–$400/year. ATVs depreciate 30–40% in the first 3 years. Polaris and Can-Am models hold value best. Peak season for private atv sales is spring and early fall — before and after riding seasons, with an average of 25 days on market.
ATV registration and titling
ATVs are classified as "Off-highway vehicle (OHV) — title/registration requirements vary by state" for registration purposes. ATVs are classified by engine displacement (cc) rather than weight for most regulations. Federal odometer disclosure does not apply to atvs.
ATV title transfer rules
ATV title and registration rules differ from road vehicles. Most states classify ATVs as off-highway vehicles (OHVs) with separate titling systems. ATVs are generally not street-legal without specific state-approved modifications. Some states issue OHV titles separate from standard motor vehicle titles. Other states use the same title system for all vehicles. Verify whether the ATV has a standard title or an OHV certificate.
Odometer disclosure for atv sales
ATVs are exempt from federal odometer disclosure. Most ATVs do not have traditional odometers, and there is no mileage disclosure requirement.
Required disclosures for atv sales in Colorado
When selling a atv in Colorado, the following disclosures apply:
- OHV (Off-Highway Vehicle) registration status — ATVs that are only OHV-registered cannot be driven on public roads in most states.
- Age restrictions apply in many states: riders under 16 may be prohibited from operating full-size ATVs on public land.
- Aftermarket modifications (lift kits, engine swaps) may void the manufacturer warranty and should be disclosed.
Colorado bill of sale statistics
BillOfSaleNow has generated 1,683 bill of sale documents for Colorado transactions, with 45 generated this month alone. The most popular vehicle type is car.
Where to File — Thornton Title Office
Office
Adams County Motor Vehicle
Address
4430 S Adams County Pkwy, Brighton, CO 80601
Phone
(720) 523-6010
Hours
Mon–Fri 7:30 AM–5:00 PM
Additional requirements in Adams County:
- Title must be transferred at the Adams County Motor Vehicle office within 60 days
- Emissions testing required in the Denver metro area
- Buyer pays sales/use tax at time of title transfer
- Vehicle specific ownership tax assessed annually
What to Bring to the CO DMV
- 1Completed, signed atv bill of sale
- 2ATV title signed over by seller on the back
- 3Valid government-issued photo ID (driver's license or passport)
- 4Payment for title transfer fee: $7.20
- 5Payment for sales tax (8.75% of sale price)
- 6Odometer disclosure statement (if not included on title)
FAQ — ATV Bill of Sale Requirements in Thornton
- What are the required fields on a atv bill of sale in Thornton?
- A valid atv bill of sale in Thornton, Colorado must include both parties' full legal names and addresses, sale date, agreed sale price, VIN, year, make, model, and signatures of buyer and seller.
- What is the title transfer fee for a atv in Thornton?
- The title transfer fee in Adams County is $7.20. The atv sales tax rate is 8.75%. Colorado state rate 2.9% + Adams County 0.75% + Thornton city 3.75% + RTD 1.0% + cultural 0.1%
- Is notarization required for a atv bill of sale in Thornton?
- No. Colorado does not require notarization for private vehicle sales.
- Where do I file a atv title transfer in Thornton?
- File the title transfer at the Adams County Motor Vehicle, 4430 S Adams County Pkwy, Brighton, CO 80601. Hours: Mon–Fri 7:30 AM–5:00 PM. Phone: (720) 523-6010.