1000 3rd Avenue For Sale Exceptional Redevelopment & Adaptive Re-Use Opportunity Own a true piece of Leavenworth history. The former Nettie Harnett School, a 102 year-old landmark, offers appox 55, 000 sqft of character-rich space situated on 2.7+/- serene acres in the heart of historic Leavenworth, Kansas. The facility features a gymnasium. auditorium, expansive classrooms, and a functioning elevator, providing a strong foundation for a wide range of redevelopment concepts. the excess land includes potential additional buildable lots, offering further development potential to complement the existing structure. Potential uses may include multi-family residential, senior housing, community or institutional use, or other creative adaptive-reuse concepts (subject to zoning and approvals). This offer will be sold via a sealed-bid process. Process: This property is on the open market and will be subject to a sealed bid process. The listing will go live on 1/19/2026. Tour dates for interested parties are open to the public and are as follows: Wednesday, February 11th 2PM-4PM Thursday, February 19th 9AM-11AM Tuesday, February 24th 11AM-1PM Sealed bids should be completed on the Real Estate Sales Bid Form in the supplements and will be due on March 2nd, 2026, delivered to the Leavenworth Board of Education office located at 200 N 4th St, Leavenworth KS 66048 by 1:00pm. All bids will be opened and read aloud at the meeting no action will be taken. The USD 453 Board of Education will consider all bids and will award the winning bid at their March 9th, 2026, Board Meeting Closing of the property will be expected to happen on or before March 31st, 2026