Contact Us - Emissions

To reach the Emissions Program:,
Physical Address:
Colorado Department of Revenue
Department of Motor Vehicle,
Emission Section
1881 Pierce Street, Room 142,
Denver, Colorado 80214,
Mailing Address:
Colorado Department of Revenue
Emission Section
P.O. Box 173350
Denver, CO ,80217-3350
Phone: (303) 205-5603,
Hours of Operation:,
Monday - Friday 8:00 a.m. - 5:00 p.m.