Development reports · Union County, NJ
What's being built in Union County, NJ: Q3 2025
10 development projects in Union County, NJ had a new filing in Q3 2025 (July to September), up from 3 in Q2 and 3 in Q3 2024. Together they propose 2 new homes and 826 sq ft of non-residential space. The busiest towns were Westfield Town (2), Plainfield City (2) and Summit City (2). The most common project type was single-family homes, followed by apartments.
10projects filed
2new homes proposed
826sq ft non-residential
–est. construction value
Biggest projects
Filed 2025-08-25
1 home
1 home|Single-family homes
Single-family home, 14 Kenneth Ct
Summit City, Union County, NJ
Filed 2025-08-07
1 home
1 home|Single-family homes
1760 Earl St
Union Township, Union County, NJ
Filed 2025-08-19
Office
825 sq ft|Office
Business-use building, Block 181, Lot 1
Kenilworth Borough, Union County, NJ
Filed 2025-07-17
Office
1 sq ft|Office
Business-use project, Linden
Linden City, Union County, NJ
By type
| Type | Projects | Homes | Sq ft |
|---|---|---|---|
| Single-family homes | 5 | 2 | 0 |
| Apartments | 3 | 0 | 0 |
| Office | 2 | 0 | 826 |
By town
| Town | Projects | Homes |
|---|---|---|
| Plainfield City | 2 | 0 |
| Summit City | 2 | 1 |
| Union Township | 2 | 1 |
| Westfield Town | 2 | 0 |
| Kenilworth Borough | 1 | 0 |
| Linden City | 1 | 0 |
Every project filed in Q3 2025
| Received | Project | Town | Type | Homes | Sq ft |
|---|---|---|---|---|---|
| 2025-09-30 | Block 2405, Lot 26.01 residential building | Westfield Town | Single-family homes | ||
| 2025-09-11 | 347-423 E 3rd St | Plainfield City | Apartments | ||
| 2025-08-26 | Residential construction, Block 4005 Lot 3.01 | Westfield Town | Single-family homes | ||
| 2025-08-25 | Single-family home, 14 Kenneth Ct | Summit City | Single-family homes | 1 | |
| 2025-08-25 | Multifamily residential building, Block 404 Lot 5 | Summit City | Apartments | ||
| 2025-08-19 | 110-20 W 6th St | Plainfield City | Apartments | ||
| 2025-08-19 | Business-use building, Block 181, Lot 1 | Kenilworth Borough | Office | 825 | |
| 2025-08-07 | 1760 Earl St | Union Township | Single-family homes | 1 | |
| 2025-08-06 | 1740 Earl St | Union Township | Single-family homes | ||
| 2025-07-17 | Business-use project, Linden | Linden City | Office | 1 |
← Q4 2024 · All Union County reports · Q4 2025 →
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 Union County page for every project since 2024.