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5555 Winghaven Blvd
O'Fallon, MO 63368 O'Fallon St Charles

$49,436 - $52,080 USD/MO

Office For Lease  •  23,264+ SF

Property Details

  • Property Type Office
  • Year Built 1999
  • Total Building Size 72,279 SF
  • Tenancy Single
  • Building Class A
  • Zoning HTCD
0 Transit Score
28 Walk Score

3 Spaces Available

Name Space Use Size Rent Details
1st Floor Ste Office 23,264 SF $25.50 USD/SF/YR
  • Date available: Jul 2026
  • Lease term: Negotiable
  • Service type: Full Service Gross
  • Space Type: Relet
  • In Contiguous block: 72,279 SF
2nd Floor Ste Office 24,507 SF $25.50 USD/SF/YR
  • Date available: Jul 2026
  • Lease term: Negotiable
  • Service type: Full Service Gross
  • Space Type: Relet
  • In Contiguous block: 72,279 SF
3rd Floor Ste Office 24,508 SF $25.50 USD/SF/YR
  • Date available: Jul 2026
  • Lease term: Negotiable
  • Service type: Full Service Gross
  • Space Type: Relet
  • In Contiguous block: 72,279 SF

Description

Colliers is pleased to offer 5555 Winghaven Blvd for lease, a 73,840-square-foot Class A office building located in the heart of O’Fallon, Missouri. This single-tenant 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. Tenants 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 leasing opportunity in the St. Charles County office market.

Highlights

Full-service cafe on the first floor
Two EV charging stations
Building is fully sprinklered
Monument signage at Winghaven entrance
Recent interior renovations

Property Flyers

Amenities

  • Food Service
  • Golf Course
  • Property Manager on Site
  • Balcony

Major Tenants

Tenant SF Occupied Lease End Date
Mastercard 6/30/2020

Public Transportation

AirportDriveWalkDistance
St Louis Lambert International 39 min - 26.8 mi

Parking Details

Parking Available: Yes
Reserved: No
Spaces Provided: 300
Type: Surface
Included in Rent: Yes
Carrie Herrmann 636-373-2055 Colliers
Carrie Herrmann 636-373-2055 Colliers