Kosy&Joon Inc Dba Pro-Tek Fire Protect.
Kosy&Joon Inc Dba Pro-Tek Fire Protect. has filed 5 building permits in San Francisco since 2019, closing 75% of 4 rated permits. 1 permit remains open.
75%
5
Construction Permits
1
Currently Open
4
Rate-Eligible
permits > 1yr old
2019–2025
Years Active
Closure rate based on permits older than 1 year. “Issued” and “Stop Work” statuses are excluded.
Performance by Permit Type
Building3 rated
66.7% closed vs 76% median, 9.5 points lower
Plumbing1 rated
100.0% closed vs 81% median, 19.0 points higher
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
—
Open0
Closed1
Too early to rate — permits need 1 year to mature
2024
0.0%
Open1
Closed0
0 closed / 1 rated
2021
100.0%
Open0
Closed1
1 closed / 1 rated
2020
100.0%
Open0
Closed1
1 closed / 1 rated
2019
100.0%
Open0
Closed1
1 closed / 1 rated
All Permits
5 permits
| Status | Permit # | Address | Issued▼ | |||
|---|---|---|---|---|---|---|
| Closed | PW20250529591 | Plumbing | 3995 Alemany Bl, San Francisco | May 29, 2025<1yr | — | — |
| Open | 202404109670 | additions alterations or repairs | 3995 Alemany Bl, San Francisco | Jul 26, 2024 | — | $50,000 |
| Closed | PP20210316818 | Plumbing | 3995 Alemany Bl, San Francisco | Mar 17, 2021 | — | — |
| Closed | 202001293046 | additions alterations or repairs | 3995 Alemany Bl, San Francisco | Jul 2, 2020 | — | $70,000 |
| Closed | 201912109113 | otc alterations permit | 3995 Alemany Bl, San Francisco | Dec 10, 2019 | — | $10,000 |