Exact federal listing answer
Is US Post Office and Courthouse-Aberdeen on the National Register?
Yes · NPS status: Listed
Yes. Reference 06000931 is listed.
Yes. The U.S. National Park Service listed-properties dataset through May 22, 2026 identifies US Post Office and Courthouse-Aberdeen as Listed in the National Register of Historic Places under reference 06000931.
Federal statusListed
National Register reference06000931
Listed dateOctober 4, 2006
Property categoryBuilding
Published address102 4th Ave. SE
LocalityAberdeen, Brown County, South Dakota
Significance levelLocal
Published acreage1
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, POLITICS/GOVERNMENT.
Same locality
Other released Aberdeen records.
Each linked page answers a separate named federal record.