website: https://colorado.propertytaxdeferral.com
phone: 303-866-3947
customer care line: 833-634-2513
email: cotreasproptax@state.co.us
application address:
Colorado Deferral Program
PO Box 452
Franktown, CO 80116-8913
payment address:
Colorado State Treasurer-Deferral Program
200 East Colfax Avenue
State Capitol, Suite 140
Denver, CO 80203