Boulder County government offices closed Tuesday, Dec. 24 (at noon), and Wednesday, Dec. 25, for the Christmas holiday.

Tax Lien Sale

Certified funds are required for all tax payments as of Oct 1. Online payment is no longer available. Our office in Lafayette is closed for the year; it will reopen in late January 2025.

Tax Lien Sale

2024 Sale Dates

Real Property Tax Lien Sale

Our tax lien sale was held November 8, 2024.

Mobile Home Tax Lien Sale

Our tax lien sale is announced for December 6, 2024

As permitted under CRS 39-10-111.5, delinquent mobile home taxes will be struck off to the county rather than being offered for sale at auction.

Tax Lien Sale Information

For questions about parking, what information you’ll need to provide during registration, or anything else, please see our list of frequently asked questions.

Tax Lien Interest Rate

The 2024 interest rate is 15% per annum.

Related Links

Prior Year Sale Information
Category 11/15/2019 11/20/2020 11/5/2021 11/16/2022 11/17/2023
Interest 12% 9% 9% 12% 15%
Investors at sale 42 37 42 37 32
Properties at auction 325 522 402 446 488
Premium Average 5.9% 5.2% 7.5% 7.6% 7%
Taxes collected $2,084,855.35 $2,741,829.48 $2,918,713.39 $2,470,112.64 $2,329,830.56

Contact Us

Treasurer's Office

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

treasurer@bouldercounty.gov

eforeclosures@bouldercounty.gov

Mailing Address

PO Box 471
Boulder, CO 80306

Boulder

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

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Longmont

515 Coffman St.
Suite 113
Map and Directions Longmont Location
Hours: 8 a.m. to 4:30 p.m.
Mondays only

Lafayette

1755 S. Public Road
Map and Directions Lafayette Location
Office closed until late January 2025