Exact federal listing answer
Is Hidden Houses on the National Register?
Yes · NPS status: Listed
Yes. Reference 78002737 is listed.
Yes. The U.S. National Park Service listed-properties dataset through May 22, 2026 identifies Hidden Houses as Listed in the National Register of Historic Places under reference 78002737.
Federal statusListed
National Register reference78002737
Listed dateNovember 29, 1978
Property categoryBuilding
Published address100 and 110 W. 13th St.
LocalityVancouver, Clark County, Washington
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: INDUSTRY, ARCHITECTURE.
Other published names: Lowell M. and W. Foster Hidden Houses.
Same locality
Other released Vancouver records.
Each linked page answers a separate named federal record.