Converted · ground-floor conversion · Mission
40 Sycamore St
Completed Apr 2026+2 units on this lot · now 47 permits
100% affordable housing, mayor dir 13-01: addition 2-local ADU's to 1/f: (1)studio and (1)2-bedroom. Existing cottage @ clarion alley unchanged. Voluntary soft story seismic retrofit per adminstrative bulletin no. 94 under separate permit. Sprinkler under separate permit. Relocate rear stair on separate.
filed Dec 2024issued Aug 2025 · permit wait 8 monthscompleted Apr 2026 · built in 9 months
waiting for permitconstructionrelated building permitelectrical permitplumbing permit
Declared value
$342,000 for 2 ADUs
one permit, 2 units; not a per-unit price
Permit wait
8 months
filed → issued
Build time
9 months
issued → completed
Permits in this project
| Permit | What | When | Declared | |
|---|---|---|---|---|
| ADU permit | 100% affordable housing, mayor dir 13-01: addition 2-local ADU's to 1/f: (1)studio and (1)2-bedroom. Existing cottage @ clarion alley unchanged. Voluntary soft story seismic retrofit per adminstrative bulletin no. 94 under separate permit. Sprinkler under separate permit. Relocate rear stair on separate. 202407106115 · Blackline Construction | filed Dec 2024 · issued Aug 2025 · done Apr 2026 | $310k | city record |
| Sprinklers | Install new fire sprinkler system for pa 202407106115. 202510157405 · cites 202407106115 · Shield Fire & Safety Solutions INC | filed Oct 2025 · issued Oct 2025 · done Mar 2026 | $12k | city record |
| Sprinklers | Install new fire sprinkler monitoring alarm system. Ref 202407106115. 202510278182 · cites 202407106115 · Shield Fire & Safety Solutions INC | filed Oct 2025 · issued Oct 2025 · done Mar 2026 | $8,000 | city record |
| Sprinklers | Install new fire sprinkler system for 2 new adus (ref pa 202407106115). Installation as nfpa 13r. Additional underground under this permit. 202512051069 · cites 202407106115 · Shield Fire & Safety Solutions INC | filed Dec 2025 · issued Dec 2025 · done May 2026 | $12k | city record |
| Electrical | Install new fire alarm sprinkler monitoring system. E202510276669 | Oct 27, 2025 → Mar 19, 2026 | — | |
| Electrical | Online electrical permit: 60 of buildings of 6 dwelling units or less. Installation of a new fire alarm system including sprinkler monitoring by installing the fire panel, all new devices to be compatible with new facp and provide low frequency sounders and smoke detect. E202602068797 | Feb 6, 2026 | — | |
| Plumbing | Install new fire sprinkler system for 2 new ADU's. PP20251027479 | Oct 27, 2025 → Mar 17, 2026 | — |
1 other permit on this lot during the project, not counted
| Other | To obtain final inspection for work approved under pa# 202406285528. All work is complete. 202604079064 · Blackline Construction | filed Apr 2026 · issued Apr 2026 · done Apr 2026 | — | city record |
Trade permits show what work was done and when; the city does not record who pulled them.
- Lot
- block 3576, lot 068
- Why we call it an ADU
- SF DBI flagged the permit as an ADU.