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5555 Winghaven 5555 Winghaven Blvd 23,264 - 72,279 SF of Office Space Available in O'Fallon, MO 63368
Highlights
- Full-service cafe on the first floor
- Building is fully sprinklered
- Recent interior renovations
- Two EV charging stations
- Monument signage at Winghaven entrance
All Available Spaces(3)
Display Rental Rate as
- Space
- Size
- Term
- Rental Rate
- Space Use
- Condition
- Available
- Rate includes utilities, building services and property expenses
- Conference Rooms
- Security System
- Full-Service Cafe
- Fits 59 - 187 People
- Can be combined with additional space(s) for up to 72,279 SF of adjacent space
- Natural Light
- Fully Sprinklered
- Rate includes utilities, building services and property expenses
- Conference Rooms
- Balcony
- Natural Light
- Fully Sprinklered
- Fits 62 - 197 People
- Can be combined with additional space(s) for up to 72,279 SF of adjacent space
- Security System
- Kitchen/Breakroom
- Rate includes utilities, building services and property expenses
- Conference Rooms
- Balcony
- Natural Light
- Fits 62 - 197 People
- Can be combined with additional space(s) for up to 72,279 SF of adjacent space
- Security System
- Kitchen/Breakroom
| Space | Size | Term | Rental Rate | Space Use | Condition | Available |
| 1st Floor | 23,264 SF | Negotiable | $35.21 CAD/SF/YR $2.93 CAD/SF/MO $819,075 CAD/YR $68,256 CAD/MO | Office | - | 2026-07-01 |
| 2nd Floor | 24,507 SF | Negotiable | $35.21 CAD/SF/YR $2.93 CAD/SF/MO $862,839 CAD/YR $71,903 CAD/MO | Office | - | 2026-07-01 |
| 3rd Floor | 24,508 SF | Negotiable | $35.21 CAD/SF/YR $2.93 CAD/SF/MO $862,874 CAD/YR $71,906 CAD/MO | Office | - | 2026-07-01 |
1st Floor
| Size |
| 23,264 SF |
| Term |
| Negotiable |
| Rental Rate |
| $35.21 CAD/SF/YR $2.93 CAD/SF/MO $819,075 CAD/YR $68,256 CAD/MO |
| Space Use |
| Office |
| Condition |
| - |
| Available |
| 2026-07-01 |
2nd Floor
| Size |
| 24,507 SF |
| Term |
| Negotiable |
| Rental Rate |
| $35.21 CAD/SF/YR $2.93 CAD/SF/MO $862,839 CAD/YR $71,903 CAD/MO |
| Space Use |
| Office |
| Condition |
| - |
| Available |
| 2026-07-01 |
3rd Floor
| Size |
| 24,508 SF |
| Term |
| Negotiable |
| Rental Rate |
| $35.21 CAD/SF/YR $2.93 CAD/SF/MO $862,874 CAD/YR $71,906 CAD/MO |
| Space Use |
| Office |
| Condition |
| - |
| Available |
| 2026-07-01 |
1st Floor
| Size | 23,264 SF |
| Term | Negotiable |
| Rental Rate | $35.21 CAD/SF/YR |
| Space Use | Office |
| Condition | - |
| Available | 2026-07-01 |
- Rate includes utilities, building services and property expenses
- Fits 59 - 187 People
- Conference Rooms
- Can be combined with additional space(s) for up to 72,279 SF of adjacent space
- Security System
- Natural Light
- Full-Service Cafe
- Fully Sprinklered
2nd Floor
| Size | 24,507 SF |
| Term | Negotiable |
| Rental Rate | $35.21 CAD/SF/YR |
| Space Use | Office |
| Condition | - |
| Available | 2026-07-01 |
- Rate includes utilities, building services and property expenses
- Fits 62 - 197 People
- Conference Rooms
- Can be combined with additional space(s) for up to 72,279 SF of adjacent space
- Balcony
- Security System
- Natural Light
- Kitchen/Breakroom
- Fully Sprinklered
3rd Floor
| Size | 24,508 SF |
| Term | Negotiable |
| Rental Rate | $35.21 CAD/SF/YR |
| Space Use | Office |
| Condition | - |
| Available | 2026-07-01 |
- Rate includes utilities, building services and property expenses
- Fits 62 - 197 People
- Conference Rooms
- Can be combined with additional space(s) for up to 72,279 SF of adjacent space
- Balcony
- Security System
- Natural Light
- Kitchen/Breakroom
Property Overview
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.
- Food Service
- Golf Course
- Property Manager on Site
- Balcony
Property Facts
Select Tenants
- Floor
- Tenant Name
- Industry
- Multiple
- Mastercard
- Finance and Insurance
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5555 Winghaven | 5555 Winghaven Blvd
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