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$530,000

2009 Seminary Street

None, Alton, Illinois, 62002

MLS® 26039163 · Listed by Coldwell Banker Brown Realtors

0 bedrooms35465.00 sqftCommercial Sale7 days on marketBuilt 1903Lot 1711908.00$0 taxes (2025)Electric,Forced Air,Gas,Hot Water,Natural Gas · Central Air

About this property

Exceptional opportunity to own the historic former Western Military Academy, most recently the home of Mississippi Valley Christian School, with endless redevelopment potential. This almost 40 acres property features three buildings with classrooms, administrative offices, meeting rooms, dormitory-style accommodations, cafeteria area, gymnasium/recreation areas, and ample storage space. Situated on a large campus, the property is well-suited for a variety of uses, including educational facilities, residential redevelopment, senior living, event venues, hospitality, religious organizations, corporate training centers, or mixed-use development, with the appropriate zoning changes. The main administrative/classroom building is about 35,000 sf over four floors. Included is the lower level cafeteria area and classrooms, the other three floors have administrative offices, additional classrooms and a living area. There is a newer roof and updated mechanical systems. The gymnasium is over 9,500 sf. with a stage and newer roof. The barracks building is about 15,000 sf. It is laid out dormitory style, has good bones and needs major renovating. The additional acreage could be redeveloped. The campus offers a unique blend of character, history, and functionality, with spacious interiors and flexible floor plans ready for renovation or repurposing. Conveniently located with easy access to major transportation routes, this one-of-a-kind property presents an outstanding investment and redevelopment opportunity.

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MLS® data for this listing last updated Jun 30, 2026.

Market snapshot

The None, Alton market

Closed sales in None, Alton over the last 12 months.

$225,500

Median sold price

98

Avg. days on market

8

Homes sold

Median sold price by month

Median sold price trend from Sep 2025 ($363,450) to Jul 2026 ($167,500)Sep 2025Jul 2026