Filter Endangered Places Project status ActiveActive ProjectAlertCompleteLostProgressSaved Project types AcquisitionADAArchaeological AssessmentBusiness PlanColorado's Most EndangeredConstruction DocumentsCPI EasementCPI Rural Revitalization Grant ProjectCultural Resource SurveyDesignDevelopmentDocumentary FilmDoor RestorationEmergency StabilizationExterior PreservationExterior RehabilitationExterior RestorationExterior StabilizationFacade RehabilitationFoundation StabilizationHALS DocumentationHistoric Structure AssessmentHistoric Structures AssessmentInterior and Exterior RehabilitationInterior RehabilitationInterior RestorationInterior RestrorationInterpertationInterpretationInterpretive SignageMasonry RestorationMaster PlanMaterials TestingMechanical UpgradesMothballingNational Register District NominationNational Register NominationNational Register NominationsNational Register of Historic Places NominationPlanning GrantPorch RestorationPreservationReconstructionRehabilitationRestorationRoof EstimateRoof PreservationRoof RehabilitationRoof RepairsRoof RestorationSchematic Design DocumentsSoil TestingStabilizationStructural AnalysisStructural StabilizationWindow Restoration Region CentralCentral MountainDenver MetroNortheastNorthwestSan Luis ValleySoutheastSouthwestStatewideWestern Slope County AdamsAlamosaArapahoeArchuletaBacaBentBoulderCastillaChaffeeCheyenneClear CreekConejosCostillaCrowleyDeltaDenverDoloresDouglasEagleEl PasoFremontGarfieldGilpinGrandGunnisonHinsdaleHuerfanoJeffersonKiowaKit CarsonLa PlataLakeLarimerLas AnimasLincolnLoganMesaMineralMoffatMontezumaMontroseMorganOteroOurayParkPhillipsPitkinProwersPuebloRegionalRio BlancoRio GrandeRouttSaguacheSan JuanSan MiguelStatewideSummitTellerWashingtonWeld Construction Dates 1800s1851-19001851-1900, 1901-19501880s1900s1901-19501901-1950, 1951-20001910s1920s1930s1950s1951-20001960s951-2000Early 20th CenturyLate 19th-Early 20th centuryPre-1750Various Primary Threats DemolitionDemolition by NeglectDevelopmentEconomic ChallengesLack of MaintenanceNatural ElementsRoad ExpansionVacancyVandalismVarious FirstPrevious123456789101112131415NextLast Project Name Status County Project type Primary Threat Redstone Castle Saved Pitkin Colorado's Most Endangered Demolition Redstone Castle Complete Rehder Block Active Project Routt CPI Easement Reiling Gold Dredge Saved Summit Colorado's Most Endangered Demolition by Neglect Rialto Theatre Saved Alamosa Colorado's Most Endangered Natural Elements Rifle Masonic Lodge Complete Rito Seco Creek Culvert Progress Costilla Riverside Cemetery Alert Adams, Denver Colorado's Most Endangered Lack of Maintenance Rock Creek Stage Stop Saved Routt Colorado's Most Endangered Demolition by Neglect Rouch Gulch Bridge Progress Fremont Sacred Heart Church Alert Costilla Demolition by Neglect Saguache Hotel Active Saguache Construction Documents, Door Restoration, Exterior Restoration, Masonry Restoration, Porch Restoration, Window Restoration Saguache Hotel, Saguache Active Project Saguache CPI Rural Revitalization Grant Project Salida Opera House Progress Chaffee Colorado's Most Endangered Demolition by Neglect San Juan River Bridge Progress Montezuma San Miguel River Bridge Progress San Miguel San Rafael Church Saved Conejos Colorado's Most Endangered Demolition by Neglect Sandy Creek Bridge Progress Phillips Sangre de Cristo Heritage Center, San Luis Active Project Castilla CPI Rural Revitalization Grant Project Santa Fe Trail & SE Heritage Region Alert Baca, Bent, Las Animas, Otero Colorado's Most Endangered Development