Exact federal listing answer
Is Cassidy House on the National Register?
Yes · NPS status: Listed
Yes. Reference 98001407 is listed.
Yes. The U.S. National Park Service listed-properties dataset through May 22, 2026 identifies Cassidy House as Listed in the National Register of Historic Places under reference 98001407.
Federal statusListed
National Register reference98001407
Listed dateDecember 2, 1998
Property categoryBuilding
Published address4121 Canyon Lake Rd.
LocalityRapid City, Pennington County, South Dakota
Significance levelNot indicated in the published row
Published acreage0
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
Other published names: Rod Cassidy House.
Same locality
Other released Rapid City records.
Each linked page answers a separate named federal record.