DUFFY MECHANICAL LLC
DUFFY MECHANICAL LLC has filed 5 building permits in Cary since 2022, closing 50% of 4 rated permits. 3 permits remain open. Primarily files electrical permits. 45.4 points below the city median of 95.4%. Busiest year: 2025 with 3 permits.
50%
5
Construction Permits
3
Currently Open
4
Rate-Eligible
permits > 1yr old
2022–2025
Years Active
Closure rate based on permits older than 1 year. "Issued" and "Stop Work" statuses are excluded.
Project Financials
$35K
Total Declared Value
$7K
Avg per Permit
$23K
Largest Project
Based on 5 of 5 construction permits with declared valuation data.
Performance by Permit Type
Electrical3 rated
66.7% closed vs 86% median, 19.5 points lower
Building1 rated
0.0% closed vs 98% median, 97.6 points lower
Median based on all applicants with 20+ rated permits in each category. Only permits older than 1 year are rated.
Year-by-Year Summary
2025
100.0%
Open1
Closed2
2 closed / 2 rated
2022
0.0%
Open2
Closed0
0 closed / 2 rated
All Permits
5 permits
| Status | Permit # | Address | Issued▼ | |||
|---|---|---|---|---|---|---|
| Open | Electrical | 519 S HARRISON AVE, Cary | Dec 15, 2025<1yr | — | $4,000 | |
| Closed | Electrical | 102 WALFORD WAY, Cary | Mar 24, 2025 | Aug 21, 2025 | $1,800 | |
| Closed | Electrical | 414 RUTHERGLEN DR, Cary | Feb 19, 2025 | Mar 5, 2025 | $3,000 | |
| Open | Electrical | 113 BELL VISTA DR, Cary | Aug 29, 2022 | — | $3,000 | |
| Open | Building | 103 GLENHIGH CT, Cary | Feb 14, 2022 | — | $23,425 |