For information about Boulder County Ballot Measures, visit the county’s Ballot Measures website.

Boulder County government offices closed Wednesday, Nov. 11, for Veterans Day.

Assessor Forms

Assessor Forms

Contact Us

Assessor

Phone: 303-441-3530
Fax: 303-441-4996

Email

Mailing Address

P.O. Box 471
Boulder, CO 80306-0471

Hours

7:30 a.m. - 5 p.m.
Monday-Thursday
Closed Friday

Drop Boxes

Boulder, Lafayette, and Longmont

Boulder

1325 Pearl St., 2nd floor
Boulder, CO 80302

Hours: 7:30 a.m. - 5 p.m.
Monday-Thursday

Longmont

515 Coffman St., Suite 114
Hours: 7:30 a.m. - 5 p.m.
Monday only

Lafayette

1755 S Public Road
Hours: 7:30 a.m. - 5 p.m.
Tuesday only