Development reports · Chester County, PA
What's being built in Chester County, PA: March 2026
18 development projects in Chester County, PA had a new filing in March 2026, down from 19 in February and 19 in March 2025. Together they propose 9 new homes and 1,947,617 sq ft of non-residential space, roughly $1.3B in estimated construction value. The busiest towns were East Vincent Township (2) and Penn Township (2). The most common project type was retail & commercial, followed by single-family homes.
18projects filed
9new homes proposed
1,947,617sq ft non-residential
$1.3Best. construction value
Biggest projects
Filed 2026-03-24
$1.3B est. value
1,889,300 sq ft|125 acres|Data center
Pennhurst Data Centers
East Vincent Township, Chester County, PA
Filed 2026-03-11
$3.9M est. value
17,500 sq ft|2.6 acres|Retail & commercial
River Station Development
Downingtown Borough, Chester County, PA
Filed 2026-03-13
$2.2M est. value
17,117 sq ft|11 acres|Industrial
Jackson Immuno Research Laboratories, Inc.
Penn Township, Chester County, PA
Filed 2026-03-24
$2.3M est. value
10,500 sq ft|3.9 acres|Retail & commercial
Byers Station Amended Final PRD Plans
Upper Uwchlan Township, Chester County, PA
Filed 2026-03-10
$2.2M est. value
10,000 sq ft|2.3 acres|Retail & commercial
257 Kennett Pike
Kennett Township, Chester County, PA
Filed 2026-03-09
$3.4M est. value
6 homes|10 acres|Single-family homes
675 Peck Road
Uwchlan Township, Chester County, PA
By type
| Type | Projects | Homes | Sq ft |
|---|---|---|---|
| Retail & commercial | 5 | 0 | 41,200 |
| Single-family homes | 4 | 8 | 0 |
| Lot line change | 4 | 0 | 0 |
| Data center | 1 | 0 | 1,889,300 |
| Recreation | 1 | 0 | 0 |
| Industrial | 1 | 0 | 17,117 |
| Agricultural | 1 | 1 | 0 |
| Townhomes | 1 | 0 | 0 |
By town
Every project filed in March 2026
← February 2026 · All Chester County reports · April 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 Chester County page for every project since 2024.