New Castle County, Delaware building permits

According to permitsearch.us records, 3,273 permit records are on file for New Castle County, Delaware (2024–2026).

Our records for this area are growing — figures reflect permits on file, not every permit ever issued.

Permits on file by year

Top work types in our records

• other — 1,228
• mechanical — 454
• electrical — 408
• roofing — 303
• plumbing — 247

49% of records on file show a final or completed status.

Recent permit activity on file

• 2026-07-02 — other — 459 WYOMING RD NEWARK DE 19716
• 2026-07-02 — other — 101 RED PINE CIR NEWARK DE 19711
• 2026-07-02 — fence — 10 SHENANDOAH DR NEWARK DE 19711
• 2026-07-02 — plumbing — 302 DAVID HOLLOWELL DR NEWARK DE 19717
• 2026-07-01 — roofing — 9 DUNSMORE RD NEWARK DE 19713
• 2026-07-01 — roofing — 8 RADCLIFFE DR NEWARK DE 19711
• 2026-07-01 — demolition — 120 LOVETT AVE NEWARK DE 19711
• 2026-07-01 — demolition — 118 LOVETT AVE NEWARK DE 19711
• 2026-07-01 — demolition — 118 LOVETT AVE NEWARK DE 19711
• 2026-07-01 — mechanical — 4 QUEEN MARY DR NEWARK DE 19711
• 2026-07-01 — mechanical — 428 DOUGLAS D ALLEY DR NEWARK DE 19713
• 2026-07-01 — mechanical — 505 LEAHY DR NEWARK DE 19711
• 2026-07-01 — mechanical — 329 MATTHEW FLOCCO DR NEWARK DE 19713
• 2026-06-30 — demolition — 129 LOVETT AVE NEWARK DE 19711
• 2026-06-30 — other — 500 CREEK VIEW RD NEWARK DE 19711
• 2026-06-30 — roofing — 1302 BARKSDALE RD NEWARK DE 19711
• 2026-06-30 — other — 307 STAMFORD DR NEWARK DE 19711
• 2026-06-30 — other — 922 ASTER AVE NEWARK DE 19711
• 2026-06-30 — roofing — 10 PANORAMA DR NEWARK DE 19711
• 2026-06-30 — other — 401 PHILLIPS AVE NEWARK DE 19711

Streets with the most permits on file

• LEAHY DR NEWARK DE 19711 — 54 on file
• E MAIN ST NEWARK DE 19711 — 41 on file
• S COLLEGE AVE NEWARK DE 19713 — 26 on file
• CORBIT ST NEWARK DE 19711 — 22 on file
• GROVE LN NEWARK DE 19711 — 17 on file
• CHELTENHAM RD NEWARK DE 19711 — 17 on file
• E MILL STATION DR NEWARK DE 19711 — 12 on file
• DALLAM RD NEWARK DE 19711 — 11 on file
• W MILL STATION DR NEWARK DE 19711 — 11 on file
• KING WILLIAM ST NEWARK DE 19711 — 11 on file