Boulder County has enacted Level 1 Fire Restrictions

Property Tax Due Dates
We have a list of resources available for those affected by the Marshall and Middle Fork fires. The County has also partnered with other local governments to provide information on rebuilding resilient, high-performance homes.

Property Tax Due Dates

The State of Colorado allows property taxes to be paid either in two equal installments, or in full, by the dates shown below.

Payment Due Dates for 2022

Two half payments

February 28
June 15

Full payment

May 2

  • No discounts for early payment
  • Postmark accepted for tax payments mailed to our office (except tax lien redemptions)
  • Additional fees assessed for payments made after August 1st
  • Certified funds (cashier’s check, money order, cash) required after September 1st (do not mail cash payments)
  • Please contact our office for exact amounts if your payment is late

If you choose to mail us a payment, do not include cash. Checks and money orders should be made payable to “Boulder County Treasurer.”

LOOK UP / PAY PROPERTY TAXES

Delinquent Interest Chart

Taxes Paid 1st Half Full 2nd Half
March (after March 1) 1%
April 2%
May 3% 1% (after May 2)
June 1-15 4% 2%
June 16-30 4% 2% 1%
July 5% 3% 2%
August 6% 4% 3%
September – December Contact our office for amount due

Contact Us

Treasurer's Office

Phone: 303-441-3520
Fax: 303-441-3598

Treasurer Email

Foreclosures

Mailing Address

PO Box 471
Boulder, CO 80306

Boulder

1325 Pearl St.
1st Floor
Map & Directions
Hours: 8 a.m. - 4:30 p.m.
Monday - Friday

Connect With Us

Longmont

515 Coffman St.
Suite 113
Map & Directions
Hours: 8 a.m. - 4:30 p.m.
Mondays Only

Lafayette

1376 Miners Dr.
Unit 105
Map & Directions
Hours: 8 a.m. - 4:30 p.m.
Tuesdays Only