Converted · legalization · Noe Valley
28 Day St
In progress+1 unit on this lot · now 31 permit
Alteration/addition of existing 3-story, 2-unit (2-units + 1-unauthorized dwelling unit) residential building, resulting in a 4-story, 3-units residential building of upgraded units.
filed Mar 2025issued Oct 2025 · permit wait 7 months1 year 1 month since issue
waiting for permitconstructionrelated building permitelectrical permitplumbing permit
Declared value
$4,750,000 + other work
the permit also covers work unrelated to the ADU, so this is not an ADU price
Permit wait
7 months
filed → issued
Build time
in progress
issued → completed
Permits in this project
| Permit | What | When | Declared | |
|---|---|---|---|---|
| ADU permit | Alteration/addition of existing 3-story, 2-unit (2-units + 1-unauthorized dwelling unit) residential building, resulting in a 4-story, 3-units residential building of upgraded units. 202502240915 · Citi - Seismic | filed Mar 2025 · issued Oct 2025 | $4.8M | city record |
Trade permits show what work was done and when; the city does not record who pulled them.
- Lot
- block 6634, lot 007
- Why we call it an ADU
- Two independent model reviewers agreed the permit creates an ADU: “"2-unit (2-units + 1-unauthorized dwelling unit) residential building, resulting in a 4-story, 3-units residential building"; Existing units: 2 → Proposed units: 3”