3 N 1 Construction Inc.
3 N 1 Construction Inc. has filed 41 building permits in San Francisco since 2019, closing 92% of 39 rated permits. 5 permits remain open. Primarily files plumbing permits. 11.5 points above the city median of 80.8%. Busiest year: 2022 with 8 permits.
92%
41
Construction Permits
5
Currently Open
39
Rate-Eligible
permits > 1yr old
2019–2026
Years Active
Closure rate based on permits older than 1 year. "Issued" and "Stop Work" statuses are excluded.
Performance by Permit Type
Plumbing15 rated
100.0% closed vs 81% median, 19.0 points higher
Building13 rated
76.9% closed vs 76% median, 0.8 points higher
Electrical11 rated
100.0% closed vs 88% median, 12.2 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
2026(YTD)
—
Open2
Closed0
Too early to rate — permits need 1 year to mature
2025
75.0%
Open2
Closed6
6 closed / 8 rated
2024
83.3%
Open1
Closed5
5 closed / 6 rated
2023
100.0%
Open0
Closed3
3 closed / 3 rated
2022
100.0%
Open0
Closed8
8 closed / 8 rated
2021
100.0%
Open0
Closed1
1 closed / 1 rated
2020
100.0%
Open0
Closed7
7 closed / 7 rated
2019
100.0%
Open0
Closed6
6 closed / 6 rated
All Permits
41 permits
| Status | Permit # | Address | Issued▼ | |||
|---|---|---|---|---|---|---|
| Open | PP20260430798 | Plumbing | 303 19th Av, San Francisco | Apr 30, 2026<1yr | — | — |
| Open | E202604300684 | Electrical | 305 19th Av, San Francisco | Apr 30, 2026<1yr | — | $0 |
| Closed | PP20250226774 | Plumbing | 2122 22nd Av, San Francisco | Feb 26, 2025 | — | — |
| Closed | E20250226392 | Electrical | 2122 22nd Av, San Francisco | Feb 26, 2025 | — | $0 |
| Closed | PP20250115992 | Plumbing | 1271 14th Av, San Francisco | Jan 15, 2025 | — | — |
| Closed | PP20250115993 | Plumbing | 2122 22nd Av, San Francisco | Jan 15, 2025 | — | — |
| Closed | E202501159354 | Electrical | 1271 14th Av, San Francisco | Jan 15, 2025 | — | $0 |
| Closed | E202501159355 | Electrical | 2122 22nd Av, San Francisco | Jan 15, 2025 | — | $0 |
| Open | 202501158370 | otc alterations permit | 2122 22nd Av, San Francisco | Jan 15, 2025 | — | $9,000 |
| Open | 202501158368 | otc alterations permit | 1271 14th Av, San Francisco | Jan 15, 2025 | — | $12,000 |
| Closed | PP20240826610 | Plumbing | 500 Ellington Av, San Francisco | Aug 26, 2024 | — | — |
| Closed | E202408266512 | Electrical | 500 Ellington Av, San Francisco | Aug 26, 2024 | — | $0 |
| Closed | 202408269489 | otc alterations permit | 500 Ellington Av, San Francisco | Aug 26, 2024 | — | $20,000 |
| Closed | PP20240813372 | Plumbing | 611 38th Av, San Francisco | Aug 13, 2024 | — | — |
| Closed | E202408136205 | Electrical | 611 38th Av, San Francisco | Aug 13, 2024 | — | $1 |
| Open | 202408128454 | otc alterations permit | 611 38th Av, San Francisco | Aug 13, 2024 | — | $60,000 |
| Closed | 202202178251 | otc alterations permit | 3022 Vicente St, San Francisco | Dec 5, 2023 | — | $3,000 |
| Closed | 202312051940 | otc alterations permit | 933 Vicente St, San Francisco | Dec 5, 2023 | — | $3,000 |
| Closed | E202304286496 | Electrical | 2347 17th Av, San Francisco | Apr 28, 2023 | — | $0 |
| Closed | 202205174456 | otc alterations permit | 66 Valmar Tr, San Francisco | Jun 9, 2022 | — | $30,000 |
| Closed | PM20220217181 | Plumbing | 2347 17th Av, San Francisco | Feb 17, 2022 | — | — |
| Closed | PM20220217177 | Plumbing | 66 Valmar Tr, San Francisco | Feb 17, 2022 | — | — |
| Closed | PP20220217180 | Plumbing | 2347 17th Av, San Francisco | Feb 17, 2022 | — | — |
| Closed | PP20220217176 | Plumbing | 66 Valmar Tr, San Francisco | Feb 17, 2022 | — | — |
| Closed | E202202178473 | Electrical | 2347 17th Av, San Francisco | Feb 17, 2022 | — | $0 |
| Closed | E202202178468 | Electrical | 66 Valmar Tr, San Francisco | Feb 17, 2022 | — | $0 |
| Closed | 202201286912 | otc alterations permit | 66 Valmar Tr, San Francisco | Feb 17, 2022 | — | $57,000 |
| Closed | 202106011387 | otc alterations permit | 2347 17th Av, San Francisco | Sep 21, 2021 | — | $120,000 |
| Closed | PM20200221900 | Plumbing | 1586 22nd Av, San Francisco | Feb 21, 2020 | — | — |
| Closed | PP20200221899 | Plumbing | 1586 22nd Av, San Francisco | Feb 21, 2020 | — | — |
| Closed | E202002217695 | Electrical | 1586 22nd Av, San Francisco | Feb 21, 2020 | — | $1 |
| Closed | 201909131606 | otc alterations permit | 1586 22nd Av, San Francisco | Feb 21, 2020 | — | $70,000 |
| Closed | PM20200121947 | Plumbing | 1718 26th Av, San Francisco | Jan 21, 2020 | — | — |
| Closed | PP20200121946 | Plumbing | 1718 26th Av, San Francisco | Jan 21, 2020 | — | — |
| Closed | E202001216918 | Electrical | 1718 26th Av, San Francisco | Jan 21, 2020 | — | $0 |
| Closed | 201905281790 | otc alterations permit | 14 Fredson Ct, San Francisco | Jun 14, 2019 | — | $1,000 |
| Closed | 201906042481 | otc alterations permit | 14 Fredson Ct, San Francisco | Jun 14, 2019 | — | $5,000 |
| Closed | PP20190228551 | Plumbing | 14 Fredson Ct, San Francisco | Feb 28, 2019 | — | — |
| Closed | PM20190228552 | Plumbing | 14 Fredson Ct, San Francisco | Feb 28, 2019 | — | — |
| Closed | E201902289495 | Electrical | 14 Fredson Ct, San Francisco | Feb 28, 2019 | — | $0 |
| Closed | 201812077749 | otc alterations permit | 14 Fredson Ct, San Francisco | Feb 28, 2019 | — | $90,000 |