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4300 Duncan Ave 4,144 - 40,266 SF of 5-Star Office Space Available in Saint Louis, MO 63110
HIGHLIGHTS
- Building conference and collaboration spaces
- Plentiful visitor parking
- Adjacent garage and surface parking
ALL AVAILABLE SPACES(2)
Display Rental Rate as
- SPACE
- SIZE
- TERM
- RENTAL RATE
- SPACE USE
- CONDITION
- AVAILABLE
- Fits 11 - 34 People
- Top floor vacancy - Full floor opportunity - Excellent existing conditions - 31 private offices and an IT room - Building signage opportunity - Available 5/1/2026
- Fits 91 - 289 People
| Space | Size | Term | Rental Rate | Space Use | Condition | Available |
| 2nd Floor, Ste 204 | 4,144 SF | Negotiable | Upon Request Upon Request Upon Request Upon Request | Office | - | Now |
| 4th Floor, Ste 400 | 36,122 SF | Negotiable | Upon Request Upon Request Upon Request Upon Request | Office | - | May 01, 2026 |
2nd Floor, Ste 204
| Size |
| 4,144 SF |
| Term |
| Negotiable |
| Rental Rate |
| Upon Request Upon Request Upon Request Upon Request |
| Space Use |
| Office |
| Condition |
| - |
| Available |
| Now |
4th Floor, Ste 400
| Size |
| 36,122 SF |
| Term |
| Negotiable |
| Rental Rate |
| Upon Request Upon Request Upon Request Upon Request |
| Space Use |
| Office |
| Condition |
| - |
| Available |
| May 01, 2026 |
2nd Floor, Ste 204
| Size | 4,144 SF |
| Term | Negotiable |
| Rental Rate | Upon Request |
| Space Use | Office |
| Condition | - |
| Available | Now |
- Fits 11 - 34 People
4th Floor, Ste 400
| Size | 36,122 SF |
| Term | Negotiable |
| Rental Rate | Upon Request |
| Space Use | Office |
| Condition | - |
| Available | May 01, 2026 |
- Top floor vacancy - Full floor opportunity - Excellent existing conditions - 31 private offices and an IT room - Building signage opportunity - Available 5/1/2026
- Fits 91 - 289 People
PROPERTY OVERVIEW
Architecturally striking and built to Fortune 500 standards, 4300 Duncan is a future-forward workplace with technology and collaboration at its core. Infused with equal parts productivity and lifestyle, 4300 Duncan is situated at the center of the Cortex Innovation District; a gravitational hub for top global talent. Cortex is a vibrant, 200-acre hub of business, innovation, and technology integrated into St. Louis’ historic Central West End and Forest Park Southeast neighborhoods, surrounded by nationally-ranked universities and medical centers and abundant cultural and recreational assets. Cortex is a catalyst for innovation that brings together big-thinking problem solvers with state-of-the-art resources, facilities, and innovative programming to inspire and drive collaboration.
- Bio-Tech/ Lab Space
- Courtyard
- Metro/Subway
- Security System
- Signage
PROPERTY FACTS
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4300 Duncan Ave
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