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under constructionMixed Use
Middletown Exchange Phase I
Middletown, New Castle County, Delaware
- Estimated value
- Undisclosed
- Square footage
- 96,000 SF
- Opened / announced
- May 1, 2026
- Owner
- St. John Properties
- General contractor
- —
- Architect
- —
- Brands mentioned
- St. John Properties
Project overview
St. John Properties' Delaware market entry: 75-acre Middletown Exchange with 225,000 SF commercial and 450 homes. Phase I two flex/R&D buildings totaling 96,000 SF; spring 2026 groundbreaking.
Key specs
- 96,000 SF Phase I (51,120 + 45,120 SF buildings)
- 225,000 SF total commercial planned
- 18-ft clear heights
- LEED-designed flex/R&D prototype
- 600+ jobs upon completion
- Early 2027 delivery
Still open for manufacturers
Phase I underway — flex/R&D building systems and site specs.
Manufacturer watch list
- flex build-out
- HVAC
- dock doors
- roofing
- tenant improvement