Building permits · Jun 2026
New Castle County Building Permits
Monthly residential building permits for New Castle County, Delaware — 136 units authorized in Jun 2026, 1,449 over the last 12 months — latest month +7.1% vs. a year earlier.
| Structure type | Units | Share |
|---|---|---|
| Single-family (1-unit) | 88 | 64.7% |
| 2-unit structures | 0 | 0.0% |
| 3–4 unit structures | 0 | 0.0% |
| Multifamily (5+ units) | 48 | 35.3% |
| All units | 136 | 100% |
Compare this area with the rest of the country: ranked leaderboards for permit volume, permits per capita, year-over-year growth, and multifamily share.
Other counties in Delaware
New Castle County building permits — FAQ
How many building permits were issued in New Castle County?+
136 new residential units were authorized in New Castle County, Delaware in Jun 2026, and 1,449 over the trailing 12 months (U.S. Census Building Permits Survey).
What share of New Castle County permits are multifamily?+
35.3% of New Castle County's Jun 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.