Yk Mason & Sons Inc
Yk Mason & Sons Inc has filed 59 building permits in San Francisco since 2019, closing 92% of 48 rated permits. 9 permits remain open. Primarily files plumbing permits. 10.9 points above the city median of 80.8%. Busiest year: 2021 with 13 permits.
92%
59
Construction Permits
9
Currently Open
48
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
Plumbing19 rated
89.5% closed vs 81% median, 8.5 points higher
Electrical17 rated
88.2% closed vs 88% median, 0.4 points higher
Building12 rated
100.0% closed vs 76% median, 23.9 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)
—
Open5
Closed6
Too early to rate — permits need 1 year to mature
2025
100.0%
Open0
Closed4
4 closed / 4 rated
2024
100.0%
Open0
Closed9
9 closed / 9 rated
2023
77.8%
Open2
Closed7
7 closed / 9 rated
2022
100.0%
Open0
Closed7
7 closed / 7 rated
2021
100.0%
Open0
Closed13
13 closed / 13 rated
2020
60.0%
Open2
Closed3
3 closed / 5 rated
2019
100.0%
Open0
Closed1
1 closed / 1 rated
All Permits
59 permits
| Status | Permit # | Address | Issued▼ | |||
|---|---|---|---|---|---|---|
| Open | PP20260723393 | Plumbing | 1334 28th Av, San Francisco | Jul 23, 2026<1yr | — | — |
| Open | PM20260723397 | Plumbing | 1334 28th Av, San Francisco | Jul 23, 2026<1yr | — | — |
| Open | E202607232358 | Electrical | 1334 28th Av, San Francisco | Jul 23, 2026<1yr | — | $0 |
| Open | PP20260713139 | Plumbing | 478 Joost Av, San Francisco | Jul 13, 2026<1yr | — | — |
| Open | E202607132109 | Electrical | 478 Joost Av, San Francisco | Jul 13, 2026<1yr | — | $0 |
| Closed | PP20260513048 | Plumbing | 234 04th Av, San Francisco | May 13, 2026<1yr | — | — |
| Closed | E20260513935 | Electrical | 234 04th Av, San Francisco | May 13, 2026<1yr | — | $0 |
| Closed | PP20260326191 | Plumbing | 128 Valmar Tr, San Francisco | Mar 26, 2026<1yr | — | — |
| Closed | E202603269910 | Electrical | 128 Valmar Tr, San Francisco | Mar 26, 2026<1yr | — | $0 |
| Closed | PP20260310846 | Plumbing | 128 Valmar Tr, San Francisco | Mar 10, 2026<1yr | — | — |
| Closed | E202603109502 | Electrical | 128 Valmar Tr, San Francisco | Mar 10, 2026<1yr | — | $0 |
| Closed | PP20250630173 | Plumbing | 1831 40th Av, San Francisco | Jun 30, 2025 | — | — |
| Closed | E202506303562 | Electrical | 1831 40th Av, San Francisco | Jun 30, 2025 | — | $0 |
| Closed | PP20250305900 | Plumbing | 232 04th Av, San Francisco | Mar 5, 2025 | — | — |
| Closed | E20250305711 | Electrical | 232 04th Av, San Francisco | Mar 5, 2025 | — | $0 |
| Closed | 202402065342 | otc alterations permit | 2375 31st Av, San Francisco | Feb 8, 2024 | — | $1 |
| Closed | PP20240201137 | Plumbing | 880 Wisconsin St, San Francisco | Feb 1, 2024 | — | — |
| Closed | PM20240201136 | Plumbing | 880 Wisconsin St, San Francisco | Feb 1, 2024 | — | — |
| Closed | E202402012176 | Electrical | 880 Wisconsin St, San Francisco | Feb 1, 2024 | — | $5,000 |
| Closed | 202311171020 | otc alterations permit | 880 Wisconsin St, San Francisco | Feb 1, 2024 | — | $40,000 |
| Closed | PP20240111766 | Plumbing | 2375 31st Av, San Francisco | Jan 11, 2024 | — | — |
| Closed | PM20240111767 | Plumbing | 2375 31st Av, San Francisco | Jan 11, 2024 | — | — |
| Closed | E202401111708 | Electrical | 2375 31st Av, San Francisco | Jan 11, 2024 | — | $0 |
| Closed | 202312142510 | otc alterations permit | 2375 31st Av, San Francisco | Jan 11, 2024 | — | $2,000 |
| Closed | PM20231102851 | Plumbing | 61 Desmond St, San Francisco | Nov 2, 2023 | — | — |
| Closed | 202310027825 | otc alterations permit | 251 Sagamore St, San Francisco | Oct 2, 2023 | — | $12,000 |
| Closed | 202308305641 | otc alterations permit | 1400 26th Av, San Francisco | Aug 31, 2023 | — | $20,000 |
| Closed | PP20230830754 | Plumbing | 61 Desmond St, San Francisco | Aug 30, 2023 | — | — |
| Open | PM20230830755 | Plumbing | 61A Desmond St, San Francisco | Aug 30, 2023 | — | — |
| Closed | E202308309078 | Electrical | 61 Desmond St, San Francisco | Aug 30, 2023 | — | $0 |
| Closed | PP20230727150 | Plumbing | 2154 Taylor St, San Francisco | Jul 27, 2023 | — | — |
| Closed | 202101072286 | additions alterations or repairs | 63 Desmond St, San Francisco | Jul 27, 2023 | — | $100,000 |
| Open | E202304186223 | Electrical | 2154 Taylor St, San Francisco | Apr 18, 2023 | — | $0 |
| Closed | 202210194724 | otc alterations permit | 2154 Taylor St, San Francisco | Nov 9, 2022 | — | $10,000 |
| Closed | 202210114115 | otc alterations permit | 1413 Van Dyke Av, San Francisco | Oct 11, 2022 | — | $1 |
| Closed | PP20220527129 | Plumbing | 430 Warren Dr, San Francisco | Jun 3, 2022 | — | — |
| Closed | E20220527460 | Electrical | 430 Warren Dr, San Francisco | Jun 3, 2022 | — | $0 |
| Closed | 202205275203 | otc alterations permit | 430 Warren Dr, San Francisco | Jun 3, 2022 | — | $130,000 |
| Closed | PM20220207900 | Plumbing | 2154 Taylor St, San Francisco | Feb 7, 2022 | — | — |
| Closed | PP20220113477 | Plumbing | 1413 Van Dyke Av, San Francisco | Jan 13, 2022 | — | — |
| Closed | PP20211028178 | Plumbing | 295 Mangels Av, San Francisco | Oct 28, 2021 | — | — |
| Closed | E202110286415 | Electrical | 295 Mangels Av, San Francisco | Oct 28, 2021 | — | $0 |
| Closed | 202110281368 | otc alterations permit | 295 Mangels Av, San Francisco | Oct 28, 2021 | — | $15,000 |
| Closed | PP20210709889 | Plumbing | 2154 Taylor St, San Francisco | Jul 9, 2021 | — | — |
| Closed | E202107094229 | Electrical | 2154 Taylor St, San Francisco | Jul 9, 2021 | — | $0 |
| Closed | E202107094233 | Electrical | 2154 Taylor St, San Francisco | Jul 9, 2021 | — | $0 |
| Closed | E202107094230 | Electrical | 2154 Taylor St, San Francisco | Jul 9, 2021 | — | $0 |
| Closed | E202107094227 | Electrical | 2154 Taylor St, San Francisco | Jul 9, 2021 | — | $0 |
| Closed | E202107094228 | Electrical | 2154 Taylor St, San Francisco | Jul 9, 2021 | — | $0 |
| Closed | E202107094232 | Electrical | 2154 Taylor St, San Francisco | Jul 9, 2021 | — | $0 |
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