Converted · ground-floor conversion · Lone Mountain/USF
1686 Hayes St
Completed Apr 2026+1 unit on this lot · now 911 permits
1686a hayes st: new state ADU at ground floor of existing multifamily building. Sprinklers under separate permit.
filed Mar 2025issued Jul 2025 · permit wait 3 monthscompleted Apr 2026 · built in 9 months
waiting for permitconstructionrelated building permitelectrical permitplumbing permit
Declared value
$176,422
declared across 2 permits: the ADU permit plus its sub-permits
Permit wait
3 months
filed → issued
Build time
9 months
issued → completed
Permits in this project
| Permit | What | When | Declared | |
|---|---|---|---|---|
| ADU permit | 1686a hayes st: new state ADU at ground floor of existing multifamily building. Sprinklers under separate permit. 202501309355 · Grgich Stanley Nicholas | filed Mar 2025 · issued Jul 2025 · done Apr 2026 | $164k | city record |
| Sprinklers | Install(20) new sprinklers through out new ADU on ground floor per nfpa#13. No underground work. Bpa#202501309355. 202509195704 · cites 202501309355 · Wd Fire Protection INC | filed Sep 2025 · issued Sep 2025 · done Feb 2026 | $12k | city record |
| Electrical | New wiring for lighting, utility plugs and appliances. Install new sub panel with existing 125 amp. 15 lights, 8 switches, 12 receptacles. E202510096282 | Oct 9, 2025 → Mar 18, 2026 | — | |
| Electrical | Wire in new basement unit, including kitchen, hall, and bathroom. Rewire some of (existing) living room. EW202510140127 | Oct 14, 2025 → Mar 4, 2026 | — | |
| Plumbing | Work category: 2pa; ADU unit: bathroom and kitchen: waste, vent, hot and cold water supply pipes. A shower pan. Gas pipe for tankless hot water heater. PW20250821510 | Aug 21, 2025 → Feb 26, 2026 | — | |
| Plumbing | Work category: 4pa; installing 20 new fire sprinklers throughout the new ADU on the ground floor only per nfpa#13. No new underground work. PW20250923249 | Sep 23, 2025 → Feb 24, 2026 | — | |
| Plumbing | Work category: 1p; isolate gas pipes for laundry room to new house meter. PW20250930465 | Sep 30, 2025 → Feb 26, 2026 | — | |
| Plumbing | Work category: 1m; install mini split heat pump system. Install ducted fan coil in the attic space. Install heat pump in back of the building. PMW20251002530 | Oct 2, 2025 → Feb 26, 2026 | — | |
| Plumbing | Install (3) floor sink, (2) floordrains, (2) hand sink, (1) prep sink, (1) 3 compartment sink with new grease trap. 1 bathroom - replace toilet and sink. Install 2 new tankless water heater. PP20251009168 | Oct 9, 2025 → Mar 19, 2026 | — | |
| Plumbing | Install 1 mini split heat pump and 1 mini split handler. PM20251009169 | Oct 9, 2025 → Mar 19, 2026 | — | |
| Plumbing | Work category: 1p; 1 shower pan. PW20260106630 | Jan 6, 2026 → Jan 12, 2026 | — |
1 other permit on this lot during the project, not counted
| Other | T. I. Of an existing food & beverage space on ground floor of an existing residencial building: work to include new full and half height non-load bearing walls; new service counter; new finishes and new fixed/unfixed furniture; mechanical, electrical and plumbing under seperate permit. 202509246009 · Xspace Builders INC | filed Sep 2025 · issued Oct 2025 · done Mar 2026 | $100k | city record |
Trade permits show what work was done and when; the city does not record who pulled them.
- Lot
- block 1198, lot 021
- Why we call it an ADU
- SF DBI flagged the permit as an ADU.