Development reports · Middlesex County, NJ
What's being built in Middlesex County, NJ: Q4 2025
17 development projects in Middlesex County, NJ had a new filing in Q4 2025 (October to December), up from 11 in Q3 and 14 in Q4 2024. Together they propose 2 new homes and 1,750,592 sq ft of non-residential space, roughly $312.5M in estimated construction value. The busiest towns were Woodbridge Township (4), Piscataway Township (3) and Edison Township (2). The most common project type was institutional, followed by warehouse & storage.
17projects filed
2new homes proposed
1,750,592sq ft non-residential
$312.5Mest. construction value
Biggest projects
Filed 2025-11-18
$141.8M est. value
1,090,560 sq ft|Warehouse & storage
Smith St storage building
Woodbridge Township, Middlesex County, NJ
Filed 2025-12-30
$71.0M est. value
202,893 sq ft|Institutional
1 Plainsboro Road
Plainsboro Township, Middlesex County, NJ
Filed 2025-12-03
$10.9M est. value
84,000 sq ft|Warehouse & storage
Storage building at 750 Martin St
Woodbridge Township, Middlesex County, NJ
Filed 2025-10-01
$21.1M est. value
70,252 sq ft|Office
Business building on Block 4185, Lot 1
Old Bridge Township, Middlesex County, NJ
Filed 2025-12-22
$7.7M est. value
59,607 sq ft|Warehouse & storage
Cragwood Rd storage building
South Plainfield Borough, Middlesex County, NJ
Filed 2025-11-18
$11.0M est. value
55,031 sq ft|Retail & commercial
88 Centennial Ave
Piscataway Township, Middlesex County, NJ
By type
| Type | Projects | Homes | Sq ft |
|---|---|---|---|
| Institutional | 3 | 0 | 283,835 |
| Warehouse & storage | 3 | 0 | 1,234,167 |
| Office | 3 | 0 | 83,903 |
| Single-family homes | 2 | 2 | 0 |
| Mixed use | 1 | 0 | 35,363 |
| Retail & commercial | 1 | 0 | 55,031 |
| Other | 1 | 0 | 2,412 |
| Apartments | 1 | 0 | 0 |
| Industrial | 1 | 0 | 45,000 |
| Restaurant | 1 | 0 | 10,881 |
Every project filed in Q4 2025
← Q3 2025 · All Middlesex County reports · Q1 2026 →
Counted by each project's latest filing date. Figures are the totals filed with the county and state, and construction values are rough estimates. See the Middlesex County page for every project since 2024.