Development reports · Middlesex County, NJ
What's being built in Middlesex County, NJ: Q3 2026
13 development projects in Middlesex County, NJ had a new filing in Q3 2026 (July to September), down from 15 in Q2 and 11 in Q3 2025. Together they propose 1 new home and 576,092 sq ft of non-residential space, roughly $153.9M in estimated construction value. The busiest towns were Old Bridge Township (4), South Brunswick Township (2) and New Brunswick City (2). The most common project type was office, followed by apartments.
13projects filed
1new homes proposed
576,092sq ft non-residential
$153.9Mest. construction value
Biggest projects
Filed 2026-09-08
$81.4M est. value
232,640 sq ft|Institutional
25 Main St, South River
South River Borough, Middlesex County, NJ
Filed 2026-07-10
$18.2M est. value
140,000 sq ft|Warehouse & storage
Storage building in Old Bridge Township
Old Bridge Township, Middlesex County, NJ
Filed 2026-07-14
$36.7M est. value
122,304 sq ft|Office
Business building, Block 13264.11, Lot 61.11
Old Bridge Township, Middlesex County, NJ
Filed 2026-07-28
$12.5M est. value
62,295 sq ft|Office
Business building, Block 10254, Lot 7.25
Old Bridge Township, Middlesex County, NJ
Filed 2026-07-31
$1.6M est. value
8,000 sq ft|Office
Block 26, Lot 20.2
Monroe Township, Middlesex County, NJ
Filed 2026-08-19
$2.1M est. value
6,012 sq ft|Institutional
53 Inman Ave
Woodbridge Township, Middlesex County, NJ
By type
| Type | Projects | Homes | Sq ft |
|---|---|---|---|
| Office | 5 | 0 | 197,440 |
| Apartments | 4 | 0 | 0 |
| Institutional | 2 | 0 | 238,652 |
| Single-family homes | 1 | 1 | 0 |
| Warehouse & storage | 1 | 0 | 140,000 |
By town
Every project filed in Q3 2026
← Q2 2026 · All Middlesex County reports
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.