Boulder County offices will be closed Monday, Nov. 11 in observance of Veterans Day. Emergency and 24/7 public services will continue to operate.

Property Tax Due Dates

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 2019

Two half payments

February 28
June 17

Full payment

April 30

  • 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

LOOK UP / PAY PROPERTY TAXES

Delinquent Interest Chart

Taxes Paid 1st Half Full 2nd Half
March 1%
April 2%
May 3% 1%
June 1-17 4% 2%
June 18-30 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

Email Us

Mailing Address

PO Box 471
Boulder, CO 80306

Connect With Us

Boulder

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

Longmont

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

Lafayette


Office closed.
Opens January 28, 2020.