Exact federal listing answer

Is Jefferis, Thomas, House on the National Register?

Yes · NPS status: Listed

Yes. Reference 79000928 is listed.

Yes. The U.S. National Park Service listed-properties dataset through May 22, 2026 identifies Jefferis, Thomas, House as Listed in the National Register of Historic Places under reference 79000928.

Federal statusListed

National Register reference79000928

Listed dateDecember 25, 1979

Property categoryBuilding

Published address523 6th Ave.

LocalityCouncil Bluffs, Pottawattamie County, Iowa

Significance levelLocal

Published acreage0.9

Record-specific National Archives fileOpen official record NPS listed-properties databasePublished through May 22, 2026

Exact answer boundary

This 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.

Same locality

Other released Council Bluffs records.

Each linked page answers a separate named federal record.

Ref 12000780McCormick Harvesting Machine Company Buildingbuilding Ref 79000930Wickham, O. P., Housebuilding Ref 82002637Reverend Little's Young Ladies Seminarybuilding

Return to Council Bluffs records · Check an address against supported local historic boundaries.