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31091122
31091123

5555 Winghaven Blvd, O'Fallon, MO 63368

DD
MO 1999030702
Colliers - Saint Louis Clayton, Missouri
CH
MO 2001021565
Colliers - Saint Louis Clayton, Missouri
WS
MO 2003019438
Colliers - Saint Louis Clayton, Missouri
Listed by Colliers - Saint Louis Clayton, Missouri
Unpriced
79 days on market
Updated 79 days ago

5555 Winghaven Blvd

Details
Property Type Office
Sub Type Traditional Office
Square Footage 73,840
Net Rentable (SqFt) 72,279
Occupancy 100%
Class A
Year Built 1999
Buildings 1
Stories 3
Acreage 5.830
Investment Type Owner/User
Occupancy Date 07/01/2026

Single-User, Class A Office Building For Sale in O’Fallon, Missouri

Marketing description

Colliers is pleased to offer 5555 Winghaven Blvd for sale, a 73,840-square-foot Class A office building located in the heart of O’Fallon, Missouri. This single-user property delivers exceptional functionality with a generous 5.4/1,000 RSF parking ratio, making it ideal for companies seeking a high-visibility, employee-focused workspace. The building’s location provides excellent access to major highways, nearby amenities, and a strong labor pool.

Originally constructed in 1999, the property has been thoughtfully updated with recent renovations to meet modern office demands. User will enjoy an inviting and professional environment, including a full-service on-site café—a rare convenience that enhances employee satisfaction and productivity. With high-quality finishes and a well-maintained exterior, 5555 Winghaven Blvd is a standout property in the St. Charles County office market.

Investment highlights

  • 5.4/1,000 RSF parking ratio including 23 covered executive spaces with 2 EV charging stations

  • Full-service cafe on the first floor

  • Built in 1999 with recent interior renovations

  • Building is fully sprinklered

  • Located near the intersection of Winghaven Boulevard and Interstate 64

  • Monument signage at Winghaven entrance

  • High residential and commercial growth area with abundant restaurant, entertainment, banking, and retail nearby

Listing Contacts

DD
MO 1999030702
Colliers - Saint Louis Clayton, Missouri
CH
MO 2001021565
Colliers - Saint Louis Clayton, Missouri
WS
MO 2003019438
Colliers - Saint Louis Clayton, Missouri
Listed by Colliers - Saint Louis Clayton, Missouri

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