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.