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Research And Development For Lease • 55,000+ SF
| Name | Space Use | Size | Rent | Details |
|---|---|---|---|---|
| 1st Floor Ste | Office | 55,000-82,000 SF | Rate Upon Request | |
The building is a fully cGMP certified clinical manufacturing facility in the heart of the Philadelphia Navy Yard and has existing ISO-7/ISO-8 grade cleanrooms.
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4751 League Island Blvd presents a rare sublease opportunity within Philadelphia’s thriving Navy Yard innovation district. Purpose-built for biotech and advanced therapeutics, this facility offers up to 82,000 SF of flexible space, including ISO-7 and ISO-8 cleanrooms, support labs, cold storage, and warehousing. The building is engineered for speed-to-market and operational efficiency, with robust utility infrastructure including compressed air, CO2, N2, and backup power systems. Tenants benefit from seamless integration of office, R&D, and manufacturing areas, with options for dedicated entrances and future expansion. The site is part of a 400,000 SF manufacturing campus adjacent to CDMO and testing services, supporting the full lifecycle of life science operations. Located just minutes from Philadelphia International Airport, University City, and Center City, the Navy Yard offers unmatched accessibility and lifestyle amenities. With over 20 acres of parks, waterfront trails, and on-site dining, this vibrant ecosystem attracts top talent and fosters innovation. The sublease runs through 2037, providing long-term stability in a premier location.
| ISO-7 and ISO-8 cleanrooms ready for occupancy |
| Sublease through 2037 in a premier life sciences hub |
| Integrated office, lab, and manufacturing layout |
| Robust utilities with backup generator and battery systems |
| Adjacent to CDMO and testing services for turnkey operations |
| Minutes from airport, university, and downtown access |
| Tenant | SF Occupied | Lease End Date |
|---|---|---|
| WuXi AppTec | 10/31/2019 |
| Commuter Rail | Drive | Walk | Distance |
|---|---|---|---|
| Penn Medicine Station (Airport Line - SEPTA, Lansdale/Doylestown Line - SEPTA, Media/Wawa Line - SEPTA, Wilmington/Newark Line - SEPTA) | 11 min | - | 5.5 mi |
| Airport Terminal E F (Airport Line - SEPTA) | 16 min | - | 7.9 mi |
| Airport | Drive | Walk | Distance |
| Philadelphia International | 15 min | - | 7.7 mi |
| Wilmington Airport | 47 min | - | 32.9 mi |
| Parking Available: | Yes |
| Reserved: | No |
| Spaces Provided: | 267 |
| Type: | Surface |
| Included in Rent: | Yes |
Paul Garvey
Cushman & Wakefield
Paul Garvey
Cushman & Wakefield
