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National Register of Historic Places

Warnock Building

Also known as Benson Building

On the National Register since 20233 years
Listed 2023Sioux City

Many listed buildings are private homes. Please enjoy them from the street.

About

About Warnock Building

Warnock Building, at 701-705 Douglas St., was added to the National Register of Historic Places on Feb 13, 2023. The Register lists it for its commerce, engineering and transportation, at the local level. Seven more Register listings are within a quarter mile.

Visit

Make it a walk: 5 landmarks in about 5 minutes

701-705 Douglas St., Sioux City · about 0.2 miles on foot, as the crow flies

Around it

13 more Register listings within half a mile

★ National Historic Landmark · D district · B building · S site. Each opens its own page.

Memories of Warnock Building

The record says what it is. Neighbors know what it means.

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Questions about Warnock Building

Is Warnock Building on the National Register of Historic Places?

Yes. It was added on Feb 13, 2023 (Register number 100008628).

Is Warnock Building a National Historic Landmark?

No. It is on the National Register; Iowa has 22 National Historic Landmarks. The nearest is Woodbury County Courthouse, 0.1 miles away.

Can you visit Warnock Building?

Our record doesn’t say whether it is open to visitors. Many listed buildings are private, so it may only be seen from the street.

Sources: National Park Service, National Register of Historic Places (05/22/2026). Map tiles © OpenStreetMap contributors.