Development reports · Warren County, NJ
What's being built in Warren County, NJ: Q2 2026
11 development projects in Warren County, NJ had a new filing in Q2 2026 (April to June), the same as 11 in Q1 and 8 in Q2 2025. Together they propose 18 new homes and 916,534 sq ft of non-residential space, roughly $132.1M in estimated construction value. The busiest towns were Lopatcong Township (2) and Mansfield Township (2). The most common project type was single-family homes, followed by mixed use.
11projects filed
18new homes proposed
916,534sq ft non-residential
$132.1Mest. construction value
Biggest projects
Filed 2026-05-20
$114.1M est. value
877,628 sq ft|Warehouse & storage
186 Strykers Road
Lopatcong Township, Warren County, NJ
Filed 2026-05-28
$4.4M est. value
21,828 sq ft|Office
290 E Washington Ave
Washington Borough, Warren County, NJ
Filed 2026-05-19
$7.3M est. value
13 homes|Mixed use
KAD Mall Properties site plan, Route 517
Allamuchy Township, Warren County, NJ
Filed 2026-06-16
$1.8M est. value
9,000 sq ft|Single-family homes
1179 US Route 22
Lopatcong Township, Warren County, NJ
Filed 2026-06-25
$1.9M est. value
2 homes|3,000 sq ft|Mixed use
998 New Brunswick Ave Site Plan
Pohatcong Township, Warren County, NJ
Filed 2026-04-09
$1.0M est. value
5,130 sq ft|1.2 acres|Single-family homes
Spark Car Wash-Greenwich
Greenwich Township, Warren County, NJ
By type
| Type | Projects | Homes | Sq ft |
|---|---|---|---|
| Single-family homes | 5 | 3 | 14,078 |
| Mixed use | 2 | 15 | 3,000 |
| Lot line change | 2 | 0 | 0 |
| Office | 1 | 0 | 21,828 |
| Warehouse & storage | 1 | 0 | 877,628 |
By town
Every project filed in Q2 2026
| Received | Project | Town | Type | Homes | Sq ft |
|---|---|---|---|---|---|
| 2026-06-25 | 998 New Brunswick Ave Site Plan | Pohatcong Township | Mixed use | 2 | 3,000 |
| 2026-06-16 | 1179 US Route 22 | Lopatcong Township | Single-family homes | 9,000 | |
| 2026-06-15 | Borealis Compounds Solar | Mansfield Township | Single-family homes | ||
| 2026-06-12 | G7B LLC site plan, Mountain Avenue | Hackettstown Town | Single-family homes | -52 | |
| 2026-05-28 | 290 E Washington Ave | Washington Borough | Office | 21,828 | |
| 2026-05-20 | 186 Strykers Road | Lopatcong Township | Warehouse & storage | 877,628 | |
| 2026-05-19 | KAD Mall Properties site plan, Route 517 | Allamuchy Township | Mixed use | 13 | |
| 2026-05-06 | Tranquil Horizons site plan on Hazen Road | Mansfield Township | Single-family homes | 3 | |
| 2026-04-09 | Spark Car Wash-Greenwich | Greenwich Township | Single-family homes | 5,130 | |
| 2026-04-06 | Minor subdivision on US Highway 46 | Liberty Township | Lot line change | ||
| 2026-04-02 | Minor subdivision on Beechwood Road | White Township | Lot line change |
← Q1 2026 · All Warren County reports · Q3 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 Warren County page for every project since 2024.