Building permits · May 2026
New Castle County Building Permits
Monthly residential building permits for New Castle County, Delaware — 75 units authorized in May 2026, 1,440 over the last 12 months — latest month -25.7% vs. a year earlier.
75
Units (latest month)
75
Single-family units
0
Multifamily (5+) units
$9,870,579
Reported value
Trailing 12 months: 1,440 units permitted · latest month -25.7% vs. a year earlier.
| Structure type | Units | Share |
|---|---|---|
| Single-family (1-unit) | 75 | 100.0% |
| 2-unit structures | 0 | 0.0% |
| 3–4 unit structures | 0 | 0.0% |
| Multifamily (5+ units) | 0 | 0.0% |
| All units | 75 | 100% |
Other counties in Delaware
New Castle County building permits — FAQ
How many building permits were issued in New Castle County?+
75 new residential units were authorized in New Castle County, Delaware in May 2026, and 1,440 over the trailing 12 months (U.S. Census Building Permits Survey).
What share of New Castle County permits are multifamily?+
0.0% of New Castle County's May 2026 permitted units were in multifamily (2+ unit) buildings.
Where does this data come from?+
Figures come from the U.S. Census Bureau's Building Permits Survey, a monthly census of permit-issuing jurisdictions. PUMSdata is independent and not affiliated with the Census Bureau.