Exact federal listing answer
Is Osterman House on the National Register?
Yes · NPS status: Listed
Yes. Reference 83004274 is listed.
Yes. The U.S. National Park Service listed-properties dataset through May 22, 2026 identifies Osterman House as Listed in the National Register of Historic Places under reference 83004274.
Federal statusListed
National Register reference83004274
Listed dateOctober 19, 1983
Property categoryBuilding
Published address508 Lincoln St.
LocalityWalla Walla, Walla Walla County, Washington
Significance levelLocal
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.
Other published names: Tuttle House.
Same locality
Other released Walla Walla records.
Each linked page answers a separate named federal record.