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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 | $25.50 /SF/YR $2.13 /SF/MO $593,232 /YR $49,436 /MO | Office | - | July 01, 2026 |
| 2nd Floor | 24,507 SF | Negotiable | $25.50 /SF/YR $2.13 /SF/MO $624,929 /YR $52,077 /MO | Office | - | July 01, 2026 |
| 3rd Floor | 24,508 SF | Negotiable | $25.50 /SF/YR $2.13 /SF/MO $624,954 /YR $52,080 /MO | Office | - | July 01, 2026 |
1st Floor
| Size |
| 23,264 SF |
| Term |
| Negotiable |
| Rental Rate |
| $25.50 /SF/YR $2.13 /SF/MO $593,232 /YR $49,436 /MO |
| Space Use |
| Office |
| Condition |
| - |
| Available |
| July 01, 2026 |
2nd Floor
| Size |
| 24,507 SF |
| Term |
| Negotiable |
| Rental Rate |
| $25.50 /SF/YR $2.13 /SF/MO $624,929 /YR $52,077 /MO |
| Space Use |
| Office |
| Condition |
| - |
| Available |
| July 01, 2026 |
3rd Floor
| Size |
| 24,508 SF |
| Term |
| Negotiable |
| Rental Rate |
| $25.50 /SF/YR $2.13 /SF/MO $624,954 /YR $52,080 /MO |
| Space Use |
| Office |
| Condition |
| - |
| Available |
| July 01, 2026 |
1st Floor
| Size | 23,264 SF |
| Term | Negotiable |
| Rental Rate | $25.50 /SF/YR |
| Space Use | Office |
| Condition | - |
| Available | July 01, 2026 |
- 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 | $25.50 /SF/YR |
| Space Use | Office |
| Condition | - |
| Available | July 01, 2026 |
- 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 | $25.50 /SF/YR |
| Space Use | Office |
| Condition | - |
| Available | July 01, 2026 |
- 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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