Exact federal listing answer
Is US Post Office, Federal Building, and Federal Courthouse-Sterling Main on the National Register?
Yes · NPS status: Listed
Yes. Reference 86000187 is listed.
Yes. The U.S. National Park Service listed-properties dataset through May 22, 2026 identifies US Post Office, Federal Building, and Federal Courthouse-Sterling Main as Listed in the National Register of Historic Places under reference 86000187.
Federal statusListed
National Register reference86000187
Listed dateJanuary 22, 1986
Property categoryBuilding
Published addressThird and Popular Sts.
LocalitySterling, Logan County, Colorado
Significance levelState
Published acreage0.3
Exact answer boundaryThis confirms the named federal record only.
It does not prove that another address lies inside this property or district, establish local landmark status, decide preservation review, define a legal boundary, or describe ownership or current condition.
Why the wording is date-boundedThe answer reflects the NPS dataset published through May 22, 2026 and a live NPS GIS Listed-status cross-check made September 20, 2026. NPS notes that spatial points and polygons may need correction and are not legal documents.
Additional published fields
Areas of significance: ARCHITECTURE.
Other published names: Sterling Post Office,Federal Building, and Federal Courthous.
Same locality
Other released Sterling records.
Each linked page answers a separate named federal record.