24-Hour Ballot Drop Box Locations

June 30, 2026 Primary Election

All 24-hour drop boxes open on Monday, June 8, 2026.
Boxes close at 7 p.m. on Election Day, Tuesday, June 30, 2026.

Locations
City	Location	Address
Aurora	Adams County Motor Vehicle Office – Aurora sidewalk by Motor Vehicle entrance	3449 N. Chambers Rd.
Aurora	Aurora Municipal Center (shared with Arapahoe & Denver) near the library circle	15151 E. Alameda Pkwy.
Aurora	Anschutz Health & Wellness Center northeast corner of Monte Vista Parking Lot	12348 E. Montview Blvd.
Aurora	Colfax & Kingston parking lot on south side of building	1585 Kingston St.
Aurora	Martin Luther King, Jr. Library (shared Arapahoe County box) center island in parking lot	9898 E. Colfax Ave.
Bennett	Adams County Motor Vehicle Office – Bennett drive-thru on median across from building entrance	355 S. 1st St.
Brighton	Adams County Government Center roundabout in front of the building, by flag poles	4430 S. Adams County Pkwy.
Brighton	Adams County Justice Center west side of parking lot, aisle farthest away from the building	1100 Judicial Center Dr.
Brighton	Brighton City Hall drive-thru next to USPS blue mailbox & utility payments box	500 S. 4th Ave.
Brighton	Riverdale Animal Shelter sidewalk in front of main entrance	12155 Park Blvd.
Byers	Kelver Library (shared Arapahoe County box)	585 S. Main St.
Commerce City	Commerce City Civic Center drive-thru next to USPS blue mailbox	7887 E. 60th Ave.
Commerce City	Adams County Motor Vehicle Office – Commerce City island on the west side of the building	7190 Colorado Blvd.
Commerce City	Reunion Recreation Center Island on the west side of the parking lot	17910 Parkside Dr. N.
Denver	Daniel C. Vallez Family Education Center north side of parking lot across from pool	7125 Mariposa St.
Denver	Rotella Park east end of parking lot	1824 Coronado Pkwy. S.
Federal Heights	Federal Heights City Hall drive-thru on island at north end of parking lot	2380 W. 90th Ave.
Northglenn	Northglenn City Hall South side of the parking lot in front of the old rec center near the Veterans Memorial	11701 Community Center Dr.
Strasburg	Adam’s County Sheriff’s Office – Strasburg South end of parking lot	2550 Strasburg Rd.
Thornton	Anythink Library Wright Farms east end of parking lot	5877 E. 120th Ave.
Thornton	Hilltop Village Shopping Center north end of the shopping center	13762 Colorado Blvd.
Thornton	Carpenter Skate Park parking lot between tennis courts and skate park, box is no longer enclosed in brick	3558 E. 112th Ave.
Thornton	Larkridge Shopping Center Southeast corner of shopping center. Island on the west side of the parking lot	16434 Washington St.
Thornton	Thornton Civic Center drive-thru lane near utility payments box, box is no longer enclosed in brick	9500 Civic Center Dr.
Thornton	Thornton Community Center east side of parking lot, near the skate park	2211 Eppinger Blvd.
Thornton	Trail Winds Recreation Center east end of parking lot	13495 Holly St.
Westminster	Adams County Motor Vehicle Office – North Pecos island next to accessible parking spaces	12200 N. Pecos St.
Westminster	Adams County Human Services Center Southwest parking lot, west side. First right turn when you turn into the HSC, closer to the street	11860 N. Pecos St.
Westminster	Front Range Community College sidewalk in front of library, next to blue USPS box	3705 W. 112th Ave.
Westminster	Westminster City Hall parking lot, near the flag poles	4800 W. 92nd Ave.
Westminster	Adams County Motor Vehicle Office – Westminster sidewalk to the left of the doors to the Motor Vehicle office	8452 Federal Blvd.

Contact Us

Adams County Elections Department
4430 S. Adams County Pkwy.
1st Floor, Suite E3102
Brighton, CO 80601-8207

Ph: 720.523.6500
Fx: 720.523.6266
Email: adams.elections@adamscountyco.gov
FB: www.facebook.com/adcoclerk
X: www.x.com/adamsclerk