Exact federal listing answer
Is Eighteen Mile House on the National Register?
Yes · NPS status: Listed
Yes. Reference 75001427 is listed.
Yes. The U.S. National Park Service listed-properties dataset through May 22, 2026 identifies Eighteen Mile House as Listed in the National Register of Historic Places under reference 75001427.
Federal statusListed
National Register reference75001427
Listed dateOctober 10, 1975
Property categoryBuilding
Published address2 mi. SE of Harrison at Harrison Pike and Patriot Dr.
LocalityHarrison, Hamilton County, Ohio
Significance levelState
Published acreage0.9
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, SOCIAL HISTORY.
Same locality
Other released Harrison records.
Each linked page answers a separate named federal record.