Attached · Outer Richmond
566 20th Ave
In progress+1 unit on this lot · now 28 permits
Rear extension of 3-story. Add unit @ ground floor reconfigure kitchen, dining & bath @ 2nd floor roof deck @ rear of 2nd floor add master suite including bedrm & bathrm, laundry & closets @ 3rd floor remove wood trim @ front elevation (not original) & patch plaster as needed.
filed Feb 2021issued Dec 2021 · permit wait 11 months4 years 11 months since issue
waiting for permitconstructionrelated building permitelectrical permitplumbing permit
Declared value
$445,000 + other work
the permit also covers work unrelated to the ADU, so this is not an ADU price
Permit wait
11 months
filed → issued
Build time
in progress
issued → completed
Permits in this project
| Permit | What | When | Declared | |
|---|---|---|---|---|
| ADU permit | Rear extension of 3-story. Add unit @ ground floor reconfigure kitchen, dining & bath @ 2nd floor roof deck @ rear of 2nd floor add master suite including bedrm & bathrm, laundry & closets @ 3rd floor remove wood trim @ front elevation (not original) & patch plaster as needed. 202102044033 · Actually Design Build INC | filed Feb 2021 · issued Dec 2021 | $390k | city record |
| Revision | Revision to permit #202102044033. Add 5' patio at rear yard level 1. Add 5' retaining wall & stairs up to rear yard grade. Add stairs from level 2 deck down to rear yard. At 1st floor: move wall at grid line b 3' to east and align wall at grid line c with walls above. At 3rd floor: change window w308. 202205103863 · cites 202102044033 · Actually Design Build INC | filed May 2022 · issued May 2022 | $30k | city record |
| Revision | Revision to 202102044033: add exterior stair from 2nd floor deck to rear yard. Remove and replace brick at front facade. 202207158544 · cites 202102044033 · Actually Design Build INC | filed Jul 2022 · issued Jul 2022 | $25k | city record |
| Address | Add address 566a 20th ave for pa 202102044033. M1228867 · cites 202102044033 | filed Sep 2022 · issued Sep 2022 | — | city record |
| Related permit | To obtain final inspection for work approved under pa 202102044033, 202205103863, 202207158544. All work is complete. 202511250369 · cites 202102044033 | filed Nov 2025 · issued Nov 2025 | — | city record |
| Electrical | Com[plete building remodel. Addition of ADU unit on ground floor. 200amp service. EW202204172839 | Apr 17, 2022 → Sep 21, 2023 | — | |
| Electrical | Pv plan #4927. 16 pv modules x 400 watts / 1000 = 6. 4 kw. E202210173022 | Oct 17, 2022 → Mar 8, 2023 | — | |
| Plumbing | Work category: 2pb; ADU/unit 2. 1 bathroom with, toilet, vanity sink and walk-in shower. Kitchen and stacked washer and dryer. Main house. Kitchen remodel, pantry sink, powder room, laundry and a full bathroom with walk-in shower, double vanity sink and toilet. Two shower pans. Radiant heating. Radiant heating with boiler, storage tank for domestic hot water. First floor in concrete tubing, second and third floor in joist bays with aluminum plates. Flue pipe in 3" pvc. Main water line, storm drain and sewer from street to inside the house. Gas line from gas meter to the boiler and appliances. PW20220516506 | May 16, 2022 → Aug 31, 2023 | — |
3 other permits on this lot during the project, not counted
| Other | Geogrouting for soil stabilization. Approx 40lf at south side. 202203109703 · Actually Design Build INC | filed Mar 2022 · issued Mar 2022 · done Oct 2023 | $6,000 | city record |
| Other | Replace gargage door new steel sectional door. 202210204765 · J J Accurate Overhead Door | filed Oct 2022 · issued Oct 2022 | $3,000 | city record |
| Other | To obtain final inspection for work approved under pa 202210204765. All work is complete. 202511250370 | filed Nov 2025 · issued Nov 2025 | — | city record |
Trade permits show what work was done and when; the city does not record who pulled them.
- Lot
- block 1562, lot 027
- Why we call it an ADU
- Two independent model reviewers agreed the permit creates an ADU: “"rear extension of 3-story. add unit @ ground fl." — Existing units: 1 → Proposed units: 2; 1 family dwelling → 2 family dwelling”