Converted · garage conversion · Potrero Hill
2105 20th St
Completed Nov 2024+1 unit on this lot · now 413 permits
Convert existing two-car garage area to ground floor ADU looking onto rear yard and 20th street. New ADU to be entirely within existing building envelope. New ADU to be type va construction and be sprinklered per cbc 903. 3. 1. 1 or 903. 3. 1. 2. New ADU to contain: living room, kitchen, (1) bath, (1) bedroom.
filed Nov 2020issued Oct 2021 · permit wait 11 monthscompleted Nov 2024 · built in 3 years 1 month
waiting for permitconstructionrelated building permitelectrical permitplumbing permit
Declared value
$219,128
declared across 4 permits: the ADU permit plus its sub-permits
Permit wait
11 months
filed → issued
Build time
3 years 1 month
issued → completed
Permits in this project
| Permit | What | When | Declared | |
|---|---|---|---|---|
| ADU permit | Convert existing two-car garage area to ground floor ADU looking onto rear yard and 20th street. New ADU to be entirely within existing building envelope. New ADU to be type va construction and be sprinklered per cbc 903. 3. 1. 1 or 903. 3. 1. 2. New ADU to contain: living room, kitchen, (1) bath, (1) bedroom. 202011199318 · Ben Hardy & Company | filed Nov 2020 · issued Oct 2021 · done Nov 2024 | $180k | city record |
| Sprinklers | Install new fire sprinkler per nfpa 13. For the ground floor ADU only, including 2" underground fire service: total=9 heads. 202401244554 · Madden Plumbing LLC | filed Jan 2024 · issued Feb 2024 · done Oct 2024 | $11k | city record |
| Related permit | Replace existing fire alarm system with notification to comply withsffd sec. 1103. 6. 1. Install facu, aes radio, smoke detectors, pull stations, monitor modules, wireless gateway, & horn strobes. Install wired & wireless lf sounders in potential sleeping areas in existing residential units to comply. 202408148609 · San Francisco Fire Protection | filed Aug 2024 · issued Aug 2024 · done Oct 2024 | $23k | city record |
| Revision | Revision: 1) new egress and common path of travel to new gate location. 2) inclusion of new rear yard slab. Revision for permit 202011199318. 202411124769 · cites 202011199318 · Ben Hardy & Company | filed Nov 2024 · issued Nov 2024 · done Nov 2024 | $5,000 | city record |
| Electrical | Run new electrical throughout the upstairs unit. E202112307591 | Dec 30, 2021 → Aug 7, 2023 | — | |
| Electrical | New ADU, unit #4, 1 bedroom, bath, kitchen and living room wired with new sub panel. EW202401045995 | Jan 4, 2024 → Jul 3, 2024 | — | |
| Electrical | Online electrical permit: 60 of buildings of 6 dwelling units or less. Fire alarm system upgrade with lf sounders add-on in new ADU and existing units. . E202403283394 | Mar 28, 2024 | — | |
| Electrical | Online electrical permit: 60 of buildings of 6 dwelling units or less. Replace existing fas with notif to comply with sffc sec. 1103. 7. 6. 1 sleeping ordinance. E202408226443 | Aug 22, 2024 → Oct 9, 2024 | — | |
| Plumbing | Work category: 1m; installation of a direct-vent gas fireplace with a direct-vent flue terminated to minimum code height above the roofline. PMW20220629767 | Jun 29, 2022 → Sep 14, 2022 | — | |
| Plumbing | Work category: 1m; install one heat pump system. PMW20240111795 | Jan 11, 2024 → Jul 2, 2024 | — | |
| Plumbing | Work category: 2pa; above slab plumbing install for ADU. PW20240209501 | Feb 9, 2024 → Aug 15, 2024 | — | |
| Plumbing | Work category: 4pa; provide and install overhead fire sprinkler system throughout ADU, includes underground service. PW20240221756 | Feb 21, 2024 → Sep 19, 2024 | — | |
| Plumbing | Work category: 1p; reference permit number 20211230266. Finish plumbing - new plumbing for kitchen, washer dryer, bathrooms and new plumbing in bathroom units one, two and three. Shower pan also included. PW20240523025 | May 23, 2024 → May 28, 2024 | — |
Trade permits show what work was done and when; the city does not record who pulled them.
- Lot
- block 4094, lot 001
- Why we call it an ADU
- SF DBI flagged the permit as an ADU.