Converted · ground-floor conversion · Outer Richmond
475A 18th Ave
Completed Sep 2025+1 unit on this lot · now 311 permits
Add a 2 bedrooms ADU on the ground floor. And interior remodel of the exsiting two units under a separate permit.
filed Apr 2023issued Feb 2024 · permit wait 10 monthscompleted Sep 2025 · built in 1 year 7 months
waiting for permitconstructionrelated building permitelectrical permitplumbing permit
Declared value
$300,000
declared on the ADU permit
Permit wait
10 months
filed → issued
Build time
1 year 7 months
issued → completed
Permits in this project
| Permit | What | When | Declared | |
|---|---|---|---|---|
| ADU permit | Add a 2 bedrooms ADU on the ground floor. And interior remodel of the exsiting two units under a separate permit. 202304246350 · H & Bo Construction INC | filed Apr 2023 · issued Feb 2024 · done Sep 2025 | $300k | city record |
| ADU permit | Revision to ADU 202304246350- to remove notes fire sprinkler on the site plan. Fire sprinkler not required for this project and revised ADU floor plan. Proposed occupancy changed from r-2 to r-3. 202409251560 · H & Bo Construction INC | filed Sep 2024 · issued Sep 2024 · done Sep 2025 | — | city record |
| Related permit | Interior remodel of existing two units on this permit (475-477 18th ave). ADU under separate permit app #202304246350. ***no structural work under this permit***. 202307061618 · cites 202304246350 · H & Bo Construction INC | filed Jul 2023 · issued Sep 2024 · done Sep 2025 | $486k | city record |
| Revision | Revision to 202304246350. Updating structural plans to match architectural blue beam approved plans. 202403127628 · cites 202304246350 · H & Bo Construction INC | filed Mar 2024 · issued Mar 2024 · done Sep 2025 | — | city record |
| Electrical | Uf ground. Add 60 amp subpanel. Add one kitchen in ADU and new 40 gallon heat pump. 40 lights, 20 switch, 1 fan, 1 dishwasher, 1 g. D. , 1 microwave, 1 ranges, 5 smoke detectors. E202404243942 | Apr 24, 2024 → Jul 1, 2025 | — | |
| Electrical | 475-477 18th ave: upgrade electrical main service to 400 amp at existing location. Install 125 amp subpanel at each units. Top floor install 80 amp subpanel. 475a 18th ave: install 125amp to ADU. E202409207003 | Sep 20, 2024 → May 29, 2025 | — | |
| Electrical | Install switches and outlets in entire unit. E202409207012 | Sep 20, 2024 → Jul 1, 2025 | — | |
| Electrical | For address 477 18th ave: switches and outlets in entire unit. Install ev chareger at garagae. Install 80amp panel to top floor. E202409207013 | Sep 20, 2024 → Jul 1, 2025 | — | |
| Plumbing | Add one bath and one kitchen in ADU and new underground. One shower pan. PP20240424496 | Apr 24, 2024 → Jul 1, 2025 | — | |
| Plumbing | 475-477 18th ave: upgrade 1 kitchen and 2 bathroom. 2 shower pans, 2 laundry with sink each unit. New tankless. Upgrade 1' water line to garagae. Upgrade gas line. PP20240920069 | Sep 20, 2024 → Jul 11, 2025 | — | |
| Plumbing | 475-477 18th ave: install 2 furnaces at existing location. 475a 18th ave: install new mini split system at ADU. PM20240920070 | Sep 20, 2024 → Jul 1, 2025 | — |
1 other permit on this lot during the project, not counted
| Other | Rev 202307061618- to remove side windows and change the size of rear window in the sunroom, extend laundry room and add a laundry sink and adding a electric fireplace on the 2nd and 3rd floor units. 202409251558 · H & Bo Construction INC | filed Sep 2024 · issued Sep 2024 · done Jul 2025 | — | city record |
Trade permits show what work was done and when; the city does not record who pulled them.
- Lot
- block 1526, lot 010
- Why we call it an ADU
- SF DBI flagged the permit as an ADU.