Harwelden Mansion Expansion Plans Head to Planning Board

Historic Tulsa property seeks to add new facilities as part of growth plans.

Published on Mar. 2, 2026

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The owners of the Harwelden Mansion in Tulsa, Oklahoma are set to present their plans for expanding the historic property to the city's planning board. The proposed expansion would add new facilities to the existing mansion, which has been a local landmark for decades.

Why it matters

The Harwelden Mansion is a beloved part of Tulsa's cultural heritage, and any changes to the property are closely watched by the community. The expansion plans could allow the mansion to better serve visitors and host more events, but will also need to balance preserving the historic character of the site.

The details

The specific details of the Harwelden Mansion expansion plans have not been made public yet, but are expected to be presented to the Tulsa planning board in the coming weeks. The owners are likely seeking to add new event spaces, educational facilities, or other amenities to the property to support its continued operations and growth.

  • The Harwelden Mansion expansion plans are scheduled to go before the Tulsa planning board in the next few weeks.

The players

Harwelden Mansion

A historic mansion in Tulsa, Oklahoma that has served as a cultural landmark and event venue for decades.

Tulsa Planning Board

The city government body responsible for reviewing and approving development plans in Tulsa.

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What’s next

If the Tulsa planning board approves the Harwelden Mansion expansion plans, the owners will then need to secure any necessary permits and funding to begin construction on the new facilities.

The takeaway

The Harwelden Mansion expansion plans represent an effort to preserve and enhance one of Tulsa's most iconic historic properties, balancing the need to modernize the site with the importance of maintaining its unique character and legacy.