BillOfSaleNow

Castle Rock, Colorado

Castle Rock DMV — Bill of Sale & Title Transfer

Colorado vehicle title transfer office for Castle Rock and Douglas County. Get your Castle Rock bill of sale, find local fees, and file at the Douglas County Motor Vehicle Office – Castle Rock.

Castle Rock Title & Registration Office

Office Name

Douglas County Motor Vehicle Office – Castle Rock

Address

100 N Wilcox St, Castle Rock, CO 80104

Phone

(303) 205-5600

Hours

Mon–Fri 7:30 AM–4:00 PM

Title Transfer Fee

$7.20

Vehicle Sales Tax

7.15%

Special requirements in Douglas County:

  • Title must be transferred at the Douglas 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

Notarization in Castle Rock: ✓ Not Required

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

Documents Required for Castle Rock Title Transfer

  • 1Signed vehicle title (seller signs the back)
  • 2Completed bill of sale
  • 3Valid government-issued photo ID
  • 4Payment for title transfer fee: $7.20
  • 5Payment for sales tax: 7.15% of sale price
  • 6Odometer disclosure statement (for most motor vehicles under 10 years old)
  • 7Insurance proof (varies — check with the office)

FAQ — Castle Rock DMV

Where is the DMV in Castle Rock, Colorado?
The Castle Rock title office is the Douglas County Motor Vehicle Office – Castle Rock, located at 100 N Wilcox St, Castle Rock, CO 80104. Hours: Mon–Fri 7:30 AM–4:00 PM. Phone: (303) 205-5600.
What is the vehicle title transfer fee in Castle Rock?
The title transfer fee in Douglas County is $7.20. The vehicle sales tax rate is 7.15%. Colorado state rate 2.9% + Douglas County 1.0% + Castle Rock city 3.25%
What documents do I need to transfer a vehicle title in Castle Rock?
You need the signed vehicle title, a completed bill of sale, a valid photo ID, and payment for the $7.20 title fee plus 7.15% sales tax.
Is a bill of sale required for a vehicle sale in Castle Rock?
A signed bill of sale is required by the Douglas County Motor Vehicle Office – Castle Rock to document the private sale and process the title transfer. Generate one free at BillOfSaleNow — fill in online, download a PDF in 60 seconds.

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