| Project Name | Status | County | Project type | Primary Threat | |
|---|---|---|---|---|---|
 |
Central Platoon School | Progress | Morgan | Colorado's Most Endangered | Demolition by Neglect |
|
|
Centre Avenue | Progress | Weld | Colorado's Most Endangered | Demolition by Neglect |
|
|
Cherry Creek Arch | Progress | Douglas | ||
|
|
Chimney Rock National Monument | Saved | Archuleta | Colorado's Most Endangered | Natural Elements |
|
|
Christian Science Church | Lost | Teller | Colorado's Most Endangered | Demolition by Neglect |
|
|
Church of the Most Precious Blood | Alert | Costilla | Demolition by Neglect | |
|
|
City Ditch | Saved | Arapahoe, Denver, Douglas | Colorado's Most Endangered | Road Expansion |
|
|
Civic Center Park | Saved | Denver | Colorado's Most Endangered | Demolition by Neglect |
|
|
Colona School & Grange | Saved | Ouray | Colorado's Most Endangered | Demolition by Neglect |
|
|
Colorado Building | Active | |||
|
|
Colorado Capitol Dome | Saved | Denver | Colorado's Most Endangered | Natural Elements |
|
|
Colorado Fuel & Iron Museum | Progress | Pueblo | Colorado's Most Endangered | Road Expansion |
|
|
Colorado Fuel & Iron Plant | Alert | Pueblo | Colorado's Most Endangered | Road Expansion |
|
|
Colorado River Bridge | Progress | Mesa | ||
|
|
Colorado River Bridge (G-04-A) | Progress | Mesa | ||
|
|
Columbian Elementary School | Lost | Bent | Colorado's Most Endangered | Demolition |
|
|
Commodore Mining District | Progress | Mineral | Colorado's Most Endangered | Natural Elements |
 |
Como Depot | Saved | Park | Colorado's Most Endangered | Demolition by Neglect |
|
|
Como Depot | Complete | Park | Exterior Restoration, Interior Restroration | |
|
|
Costilla County Mission Churches | Alert | Costilla | Colorado's Most Endangered | Demolition by Neglect |
