Boulder County government offices are closed Monday, May 29, in observance of Memorial Day.

If you have questions about property valuation and property tax, visit boco.org/2023Valuation.

Change Mailing Address

Change Mailing Address

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

On Facebook:

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