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334 N Main Street, St Charles, MO, 63301

334 N Main Street presents a rare opportunity to acquire a historic, income-producing mixed-use building in the heart of downtown St. Charles. Originally constructed in 1835, this brick building totals approximately 5,712 square feet across two floors plus a full lower level of approximately 2,850 square feet, situated on a 0.093-acre parcel with direct N Main Street frontage. The upper floor is fully utilized as Airbnb and shorter-term apartment units, generating a true net operating income of approximately $42,000. The first floor offers approximately 2,862 square feet of turn-key gym space – a dramatic 90-foot-deep open floor plate with two private offices and a restroom – supported by locker rooms and showers in the lower level. This space is being marketed for lease at $25.00 per square foot NNN; a signed gym tenant would add roughly $70,000 of annual income, more than doubling NOI and giving an investor immediate, executable upside on day one. At the $950,000 asking price, that translates to approximately $166 per square foot – well below replacement cost for historic Main Street product. Zoned General Commercial (AB2), the property supports a broad range of retail, service, fitness, hospitality, and residential uses. The location benefits from 77,283 vehicles per day along the adjacent Riverside Drive corridor and a Walk Score of 79, reflecting the district’s exceptional year-round pedestrian activity. Downtown St. Charles draws millions of visitors annually with its brick-paved streets, riverfront festivals – including the nationally recognized Christmas Traditions celebration – and its position along the Missouri River and Katy Trail. Neighbors include Mov on Main, Climb So iLL at the Steel Shop, and the district’s dense collection of boutiques, restaurants, wineries, and entertainment venues, with SSM Health St. Joseph Hospital anchoring the corridor to the south. With stabilized short-term rental income upstairs, a turn-key gym opportunity below, and irreplaceable Main Street real estate, 334 N Main is a compelling acquisition for investors seeking both current cash flow and meaningful near-term growth.

Subdivision: Park Chas South 04

List Price

$ 950,000

Status

Active

Days on market

0

MLS#

26048619

Bedrooms

0

Full baths

0

Subdivision

Park Chas South 04

Municipality

St Charles

County

St Charles

Property Type

Commercial Sale

Type

Commercial Sale

Additional Information

Property Tax (2025)

$10,873

Recent Nearby Sales in 63301

Last 6 closed homes in this zip.

Address Bd/Ba SqFt List Sold Closed
929 N 3rd St, 4, St Charles, MO 63301 1/1 600 $995 $995
100% of ask
Sep 5, 2026
3201 S Civic Green Way, St Charles, MO 63301 3/3 1,360 $285,000 $285,000
100% of ask
Sep 4, 2026
1904 Elm St Street, St Charles, MO 63301 4/2 1,504 $320,000 $320,000
100% of ask
Sep 4, 2026
338 Tiber Place, St Charles, MO 63301 4/4 2,012 $549,900 $560,000
101.8% of ask
Sep 4, 2026
2815 Birch Tree Drive, St Charles, MO 63301 3/3 1,518 $375,000 $370,000
98.7% of ask
Sep 3, 2026
2941 Elmcrest Drive, St Charles, MO 63301 4/3 1,647 $309,000 $317,500
102.8% of ask
Sep 3, 2026

Price & Listing History

Listed for sale
Jul 29, 2026 at $950,000
Current status: Active
As of Jul 29, 2026 · $950,000

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