| Project Name | Status | County | Project type | Primary Threat | |
|---|---|---|---|---|---|
 |
Curtis Hardware, Paonia | Active Project | Delta | CPI Rural Revitalization Grant Project | |
|
|
Dana Crawford House | Complete | National Register Nomination | ||
 |
Daniels School | Saved | Weld | Colorado’s Most Endangered | Demolition by Neglect |
 |
Dearfield Farming Colony | Progress | Weld | Colorado’s Most Endangered | Demolition by Neglect |
|
|
Dearfield Townsite (Filling Station) | Complete | Weld | Historic Structure Assessment | |
|
|
Delaware Hotel | Complete | Lake | Exterior Restoration, Mechanical Upgrades | |
 |
Denver & Rio Grande Antonito Depot | Saved | Conejos | Colorado’s Most Endangered | Demolition by Neglect |
|
|
Denver & Rio Grande Antonito Depot | Complete | |||
|
|
Denver Fire Department Fire Station No. 5 | Complete | Denver | Exterior Rehabilitation | |
 |
Denver Tramway Company Streetcar No.04 | Saved | Jefferson | Colorado’s Most Endangered | Demolition by Neglect |
 |
Deputy Warden’s House | Progress | Fremont | Colorado’s Most Endangered | Demolition by Neglect |
|
|
Devils Head Lookout-Devil’s Head Lookout | Complete | Douglas | Rehabilitation, Stabilization | |
 |
Downtown Greeley | Saved | Weld | Colorado’s Most Endangered | Development |
 |
Downtown Underground | Progress | Statewide | Colorado’s Most Endangered | Various |
 |
Doyle Settlement | Progress | Pueblo | Colorado’s Most Endangered | Demolition by Neglect |
|
|
Dukes-Dunlap House and Garage | Complete | Larimer | Exterior Restoration | |
|
|
Dunn’s Block | Complete | Saguache | Acquisition | |
 |
Durango Power House | Saved | La Plata | Colorado’s Most Endangered | Demolition |
 |
East Portal Camp Cabins | Progress | Gilpin | Colorado’s Most Endangered | Demolition by Neglect |
 |
El Corazon de Trinidad Commercial District | Saved | Las Animas | Colorado’s Most Endangered | Various |