| Project Name | Status | County | Project type | Primary Threat | |
|---|---|---|---|---|---|
 |
Mid-Century Resources of Littleton Boulevard | Progress | Arapahoe | Colorado's Most Endangered | Development |
|
|
Missouri Creek Bridge | Progress | Huerfano | ||
|
|
Moffat Road | Progress | Boulder, Gilpin, Grand | Colorado's Most Endangered | Demolition by Neglect |
 |
Montezuma Bank Building | ||||
|
|
Montoya Ranch | Alert | Huerfano | Colorado's Most Endangered | Demolition by Neglect |
|
|
Native American Wickiups | Saved | Statewide | Colorado's Most Endangered | Natural Elements |
|
|
Neon Signs of Colfax | Progress | Denver | Colorado's Most Endangered | Various |
 |
Newman Block | Alert | Prowers | Colorado's Most Endangered | Demolition by Neglect, Natural Elements, Vacancy |
|
|
North St. Vrain Creek Bridge | Progress | Boulder | ||
|
|
Our Lady of Guadalupe Church | Active | Las Animas | Structural Analysis | |
|
|
Outbuildings of Lake City | Progress | Hinsdale | Colorado's Most Endangered | Demolition by Neglect |
|
|
Pantall School-Stevens Elementary School | Active | Logan | Roof Rehabilitation | |
|
|
Paris Mill | Saved | Park | Colorado's Most Endangered | Demolition by Neglect |
|
|
Paul and Ginny Soldner Home and Studio | Active | Pitkin | National Register Nomination | |
|
|
Pillars of P.O.W Camp 202 | Saved | Weld | Colorado's Most Endangered | Road Expansion |
|
|
Plum Bush Creek Bridge | Progress | Washington | ||
|
|
Preston Farm | Saved | Larimer | Colorado's Most Endangered | Demolition |
|
|
Purgatoire River Bridge | Progress | Las Animas | ||
|
|
R&R Market | Saved | Costilla | Colorado's Most Endangered | Economic Challenges |
|
|
Rabbit Valley Interchange | Progress | Mesa |
