Converted · interior conversion · Portola
1401 Silver Ave
Completed Aug 2025+1 unit on this lot · now 28 permits
To convert a retail space & non-confirming office to a new 623 sq ft state ADU.
filed May 2024issued Feb 2025 · permit wait 9 monthscompleted Aug 2025 · built in 6 months
waiting for permitconstructionrelated building permitelectrical permitplumbing permit
Declared value
$85,000
declared across 2 permits: the ADU permit plus its sub-permits
Permit wait
9 months
filed → issued
Build time
6 months
issued → completed
Permits in this project
| Permit | What | When | Declared | |
|---|---|---|---|---|
| ADU permit | To convert a retail space & non-confirming office to a new 623 sq ft state ADU. 202401194309 | filed May 2024 · issued Feb 2025 · done Aug 2025 | $80k | city record |
| Revision | Revision 202401194309: relocation of electrical panel, meter directed toward the street. Panel located inside of the building. Laundry combo unit added to the bath, revise approved layout. Changes to kitchen appliances, sink, gas, plumbing. Correction to prev existing floor plan. All work interior. 202504154474 · cites 202401194309 · Global Bay Construction INC | filed Apr 2025 · issued Apr 2025 · done Aug 2025 | — | city record |
| Related permit | Install split air conditioner to provide heat to the unit. Reference pa#202504154474 & 202401194309. 202505307620 · cites 202401194309 · Global Bay Construction INC | filed May 2025 · issued May 2025 · done Aug 2025 | $5,000 | city record |
| Electrical | Relocate electrical panel, meter. New recess light all around the house. New electrical in kitchen & bathroom. (10-14) circuits, (10) switches, (15) receptacles, (1) fan, (1) garbage disposal, (1) microwave, (1) range, (1) smoke detector. E202504141631 | Apr 14, 2025 → Aug 8, 2025 | — | |
| Electrical | Install mini split air conditioner. E202506052988 | Jun 5, 2025 → Aug 8, 2025 | — | |
| Plumbing | New laundry unit add to the bathroom. Like to like kitchen and bathroom plumbing work. PP20250414633 | Apr 14, 2025 → Aug 8, 2025 | — | |
| Plumbing | Replace water supply 3/4" to 1" from house to meter. PP20250521396 | May 21, 2025 → Aug 4, 2025 | — | |
| Plumbing | Install mini split air conditioner. PM20250605692 | Jun 5, 2025 → Aug 7, 2025 | — |
Trade permits show what work was done and when; the city does not record who pulled them.
- Lot
- block 5882, lot 025
- Why we call it an ADU
- SF DBI flagged the permit as an ADU.