How are Colorado car registration fees calculated?

The largest part is the specific ownership tax (SOT): a percentage of the vehicle's taxable value, which is 85% of its original MSRP. The rate is 2.1% in the first year, 1.5% in the second, 1.2% in the third, 0.9% in the fourth, 0.45% in years five to nine, and a flat $3 from year ten. Weight-based road and bridge safety surcharges, an age-of-vehicle fee and smaller state and county fees are added.

Why is Colorado registration so expensive on a new car?

Because SOT is 2.1% of 85% of the MSRP in year one. A $40,000 car pays $714 in SOT alone in its first year, and $153 by its fifth year.

How long do I have to register a car in Colorado?

Current residents must register a purchased vehicle within 60 days of the sale. New residents have 90 days after becoming a resident. Late fees are $25 per month, up to $100.

Car Registration Fee Calculator Colorado 2026 (SOT + Fees)

By Mohamed SkhiriUpdated November 7, 2026

How Colorado car registration fees are calculated

Colorado registration ≈ specific ownership tax (a share of 85% of MSRP) + road and bridge safety surcharges + age-of-vehicle fee + about $11–$12 of small fees. A new $40,000 car in the Denver area pays about $776 in its first year, before the small weight-based base fee.

Registration in Colorado is annual and runs for 12 months starting the month after you apply. You pay at your county motor vehicle office, and the bill combines state taxes, statewide FASTER surcharges and county fees.

Specific ownership tax (SOT)

SOT works like a property tax on your vehicle and is paid instead of personal property tax. It's based on the vehicle's original taxable value, 85% of its MSRP when new, and its year of service. That value never changes, even when the car is resold.

Colorado specific ownership tax rates for Tax Class C vehicles and SOT on a $40,000 MSRP
Year of service	SOT rate	SOT on a $40,000 MSRP
1st year	2.1%	$714.00
2nd year	1.5%	$510.00
3rd year	1.2%	$408.00
4th year	0.9%	$306.00
5th–9th years	0.45%	$153.00
10th year and later	flat	$3.00

Road and bridge safety surcharges (FASTER)

Colorado FASTER road safety and bridge safety surcharges by weight
Vehicle weight	Road safety (until Aug 31, 2027)	Road safety (from Sep 1, 2027)	Bridge safety
2,000 lbs or less	$12.30	$16.00	$13.00
2,001–5,000 lbs	$19.30	$23.00	$18.00
5,001–10,000 lbs	$24.30	$28.00	$23.00

The smaller fees on your bill

Age of vehicle fee (from July 1, 2026): $12 if less than 7 years old, $10 at 7 to 9 years, $7 at 10 years or older.
Clerk hire fee: $4 on every registration.
County road and bridge: $1.50 for vehicles over 2,000 lbs.
Emissions fees: $0.70 county area and $0.50 statewide air account on every vehicle, plus $1.50 in the emissions program area.
Emergency medical services $2, POST $1, insurance database $0.10 and insurance fee $0.50.
Materials: year tab $0.59, or $7.38 for an embossed plate set when you get new plates.
Registration base fee: a small fee based on the vehicle's weight under C.R.S. 42-3-306. Add it from your county's estimate.

Electric vehicle fees

Plug-in vehicles pay a $63.05 electric vehicle registration fee, plus an electric motor vehicle road usage fee that's set in statute and rises each July 1:

Colorado electric motor vehicle road usage fees by fiscal year
Period	Battery electric	Plug-in hybrid
July 1, 2026 – June 30, 2027	$26	$13
July 1, 2027 – June 30, 2028	$36	$16
July 1, 2028 – June 30, 2029	$51	$19
July 1, 2029 – June 30, 2030	$66	$21

Worked examples

New $40,000 SUV (4,000 lbs) in the Denver emissions area

SOT: $40,000 × 85% × 2.1% = $714.00
Road safety $19.30 + bridge safety $18.00 + age fee $12.00
Small fees: $4 + $1.50 + $0.70 + $0.50 + $1.50 + $2 + $1 + $0.10 + $0.50 + $0.59 = $12.39
Total: $775.69 plus the base fee

The same SUV in its fifth year

SOT: $34,000 × 0.45% = $153.00
Plus the same $49.30 in surcharges and age fee and $12.39 in small fees
Total: $214.69 plus the base fee

A 12-year-old car

SOT is a flat $3.00 and the age fee drops to $7
$3 + $19.30 + $18 + $7 + $12.39 = $59.69 plus the base fee

Deadlines, late fees and credits

Register within 60 days of buying a vehicle, even one bought from an out-of-state dealer. New residents have 90 days. Renewals are due by the end of the grace month, the month after expiration. Late fees are $25 per month, or part of a month, up to $100. Since January 1, 2023, an expired temporary tag no longer protects you from late fees.

If you sell a car before its registration runs out, Colorado gives a prorated credit for the remaining fees and surcharges toward your next vehicle. You must transfer it in person at your county motor vehicle office, not online.

Frequently asked questions

Is specific ownership tax deductible?

SOT is value-based and charged instead of personal property tax, which is why the DMV lists it separately on the back of the registration card. Ask a tax professional whether you can deduct it on your return. Our guide are vehicle registration fees tax deductible? covers every state.

What does the Keep Colorado Wild pass add?

It's an optional $29 state parks pass you can add when you register. It's valid until your registration expires and isn't included in this calculator.

Is there a new wildlife fee?

From January 1, 2027, you can choose to give $5 to the Wildlife Collision Prevention Program when registering online or in person. It's voluntary and not a registration fee.

Sources

This calculator gives an estimate. Your county motor vehicle office calculates the final amount. How we calculate

Car Registration Fee Calculator Colorado

Calculate car registration fees Colorado