BillOfSaleNow

Installment Sale bill of sale — Boulder, Colorado

Installment Sale Payment Bill of Sale for Motorcycle in Boulder, CO

An installment sale allows the buyer to pay for a vehicle over time through a series of scheduled payments. The seller t… Complete your Boulder motorcycle installment sale transaction at the Boulder County Motor Vehicle Office – Boulder.

BoulderColoradoMotorcycleInstallment Sale

Installment Sale Motorcycle Sale in Boulder

An installment sale allows the buyer to pay for a vehicle over time through a series of scheduled payments. The seller typically retains a security interest (lien) in the vehicle until all payments are made, meaning the seller keeps their name on the title as lienholder.

In Boulder, Colorado, the local office handling title transfers is the Boulder County Motor Vehicle Office – Boulder at 2025 14th St, Boulder, CO 80302. The combined sales tax rate is 8.85%. Notarization is not required for a private vehicle bill of sale in this jurisdiction.

Payment documentation requirements

An installment sale requires both a bill of sale and a separate promissory note (installment agreement) that documents: total purchase price, down payment amount, number of payments, payment due dates, interest rate (if any), and consequences of default. The payment schedule should be attached to the bill of sale as an exhibit. Retain signed copies of all documents.

How installment sale affects title transfer

In an installment sale, the seller should record a security interest (lien) against the vehicle title at the DMV before the buyer takes possession. This protects the seller if the buyer defaults. The lien is released when the final payment is received. Some states require the security interest to be recorded within a specific number of days of the sale.

Local DMV — Boulder County

DMV / Title Office

Boulder County Motor Vehicle Office – Boulder

Address

2025 14th St, Boulder, CO 80302

Phone

(303) 205-5600

Office Hours

Mon–Fri 7:30 AM–4:00 PM

Local Fees & Taxes

Title Transfer Fee

$7.20

Sales Tax Rate

8.85%

Base Registration Fee

$26.00

Colorado state rate 2.9% + Boulder County 0.985% + Boulder city 3.86% + RTD 1.1%

Notarization: NOT REQUIRED

Colorado does not require notarization for private vehicle sales. Both parties sign the title; a bill of sale is recommended.

Boulder Installment Sale Transfer Checklist

  • A written promissory note or installment agreement should state the price, down payment, payment schedule, interest rate, and default remedies.
  • If a third-party creditor is involved, federal TILA / Regulation Z disclosures apply.
  • For seller-financed sales, the seller may retain a lien on the title until the final payment is made.
  • Colorado applies 2.9% state plus local taxes; ownership tax based on age on vehicle purchases, collected when the buyer registers the vehicle.
  • Colorado does not require notarization for a private-party bill of sale, though notarized signatures are more defensible.
  • Colorado’s official bill of sale form is DR 2173 (Bill of Sale for a Motor Vehicle).
  • An odometer disclosure is required on the Colorado title transfer.
  • Colorado requires an emissions or smog test before the buyer can register the vehicle.
  • Title must be transferred at the Boulder County motor vehicle office within 60 days of purchase
  • Colorado requires an emissions test (AirCare Colorado) for most vehicles in the Denver metro area
  • Vehicle specific ownership tax (VSOT) is assessed annually based on vehicle value
  • Buyer pays state and local sales/use tax at time of title transfer

Colorado forms and documents

  • Promissory Note or Installment Agreement
  • TILA Disclosure Statement (if a creditor is involved)
  • DR 2173 (Bill of Sale for a Motor Vehicle)

Key facts for installment sale transactions

  • Promissory note required in addition to the bill of sale
  • Seller should record a security interest (lien) at the DMV before buyer takes possession
  • State usury laws limit the maximum interest rate on installment sales
  • UCC Article 9 security interest filing may be required to protect seller's rights
  • Repossession for default is governed by state law — consult an attorney

Important notice

If the buyer defaults and the seller needs to repossess the vehicle, state law governs the repossession process. Self-help repossession may be permitted only if it can be done without breaching the peace. Improper repossession exposes the seller to significant liability.

Boulder at a glance

Population

106,274

Median Household Income

$85,364

Ready to create your bill of sale?

Generate a Colorado motorcycle bill of sale with installment sale payment terms — free, instant download.

Create Colorado Motorcycle Bill of Sale

Frequently asked questions

How does a installment sale motorcycle sale work in Boulder?

An installment sale allows the buyer to pay for a vehicle over time through a series of scheduled payments. The seller typically retains a security interest (lien) in the vehicle until all payments are made, meaning the seller keeps their name on the title as lienholder. Title transfers in Boulder are handled at the Boulder County Motor Vehicle Office – Boulder (2025 14th St, Boulder, CO 80302). An installment sale requires both a bill of sale and a separate promissory note (installment agreement) that documents: total purchase price, down payment amount, number of payments, payment due dates, interest rate (if any), and consequences of default. The payment schedule should be attached to the bill of sale as an exhibit. Retain signed copies of all documents.

What is the sales tax on a installment sale motorcycle purchase in Boulder?

The combined sales tax rate in Boulder is 8.85%. Colorado state rate 2.9% + Boulder County 0.985% + Boulder city 3.86% + RTD 1.1%

How does installment sale affect the title transfer process in Boulder?

In an installment sale, the seller should record a security interest (lien) against the vehicle title at the DMV before the buyer takes possession. This protects the seller if the buyer defaults. The lien is released when the final payment is received. Some states require the security interest to be recorded within a specific number of days of the sale. Bring the signed title and completed bill of sale to the Boulder County Motor Vehicle Office – Boulder (2025 14th St, Boulder, CO 80302) with payment for the $7.20 title transfer fee.

Is notarization required for a installment sale motorcycle bill of sale in Boulder?

No. Colorado does not require notarization for private vehicle sales. Both parties sign the title; a bill of sale is recommended.

What are the legal requirements for a installment sale motorcycle sale in Colorado?

State usury laws cap the maximum interest rate that a private seller can charge in an installment sale. Exceeding the usury rate can void the interest provision and expose the seller to penalties. The seller's security interest may also need to be perfected under UCC Article 9 (by filing a UCC-1 financing statement) to be enforceable against third parties. A written promissory note or installment agreement should state the price, down payment, payment schedule, interest rate, and default remedies.

Is a installment sale bill of sale legally binding in Boulder?

Yes. A properly completed bill of sale with installment sale payment terms is legally binding in Colorado. Both buyer and seller should sign and retain a copy. Bring it to the Boulder County Motor Vehicle Office – Boulder to complete the title transfer.

Related pages

Trusted by private vehicle sellers nationwide

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)

$60–$85 mobile notary

Mobile notary visit minimums run $60–$85 — higher on weekends, plus per-mile travel fees. State-formatted documents skip the trip.

Source: Thumbtack / NNA