Commissioners: “We will continue to value, respect, and support all individuals as we serve the people of Boulder County.” Read full message.

Immigrant Resources, including a Know Your Rights Booklet, available on the Immigration Resources webpage.

Drop Boxes

Assessor Drop Boxes

Downtown Boulder Courthouse Drop Box

Map for Assessor's Boulder drop box, 2025 14th St., located near the ATM by the Boulder County parking lot, directly across from the Boulder Theater.

  • 2025 14th St., Boulder
  • All hand delivered appeals can be dropped off in the Assessor’s drop box specified on the map above
  • Assessor’s drop box is near the ATM by the Boulder County parking lot
  • Located directly across from the Boulder Theater

Photo of Assessor's Boulder drop box, 2025 14th St., located near the ATM by the Boulder County parking lot, directly across from the Boulder Theater.

Lafayette Southeast County Community Hub Drop Box

Map for the Lafayette Assessor's drop box at the Southeast County Community Hub in Longmont at 1755 South Public Road. Located on the west side of the building to the right of the main entrance.

  • Southeast County Community Hub, 1755 South Public Road, Lafayette.
  • All hand delivered appeals can be dropped off in the Assessor’s drop box specified on the map above.
  • To the right of the main entrance on the west side of the building.

Drop box for documents, forms, and applications. It is a mail slot in the middle of a brick wall on the west side of the Southeast County Community Hub in Lafayette, just to the right of the main entrance on the west side of the building.

Longmont St. Vrain Hub Drop Box

Map for the Longmont Assessor's drop box at the St. Vrain Hub in Longmont at 515 Coffman St. Located by the rear entrance on the west side, near Terry St.

  • St. Vrain Hub, 515 Coffman St., Longmont
  • All hand delivered appeals can be dropped off in the Assessor’s drop box specified on the map above
  • By the rear entrance on the west, Terry St. side

Photo of the Longmont Assessor's drop box is at the St. Vrain Hub in Longmont at 515 Coffman St. It is located by the rear entrance on the west side, near Terry St.

Assessor Links

Appeals Related Links

Contact Us

Assessor

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

Email

Mailing Address

PO Box 471
Boulder, CO 80306-0471

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

Locations

Assessor Boulder and Longmont Drop Boxes

Boulder

1325 Pearl St., 2nd floor
Boulder, CO 80302
Hours: 7:30 a.m. to 5 p.m.
Monday-Thursday
Map and Directions Boulder Location

Longmont

515 Coffman St., Suite 114
Hours: 7:30 a.m. to 5 p.m.
Monday only
Map and Directions Longmont Location

Lafayette

1755 S Public Road
Hours: 7:30 a.m. to 5 p.m.
Tuesday only
Map and Directions Lafayette Location

Website

BoulderCountyAssessor.gov

Assessor logo