Converted · legalization · Sunset/Parkside
2639 21st Ave
Completed Nov 2025+1 unit on this lot · now 29 permits
Legalize unit under city ordinance # 43-14 (unit a)1. Legalize ground floor unauthorized dwelling unit per city ordinance no. 43-14; added on the ground floor - unit a (existing conditioned space under permit# 201110187003). Legalize added sink, cabinetry, and removal of interior stair in existing hall.
filed Sep 2023issued Apr 2024 · permit wait 7 monthscompleted Nov 2025 · built in 1 year 8 months
waiting for permitconstructionrelated building permitelectrical permitplumbing permit
Declared value
$53,810
declared on the ADU permit
Permit wait
7 months
filed → issued
Build time
1 year 8 months
issued → completed
Permits in this project
| Permit | What | When | Declared | |
|---|---|---|---|---|
| ADU permit | Legalize unit under city ordinance # 43-14 (unit a)1. Legalize ground floor unauthorized dwelling unit per city ordinance no. 43-14; added on the ground floor - unit a (existing conditioned space under permit# 201110187003). Legalize added sink, cabinetry, and removal of interior stair in existing hall. 202309015793 · Dmsquare Construction 2 INC | filed Sep 2023 · issued Apr 2024 · done Nov 2025 | $54k | city record |
| Related permit | Reference pa#202308285403 & 202309015793: administrative permit to correct/proposed dwelling unit count as "3". Single family with two ADU. 202511210225 · cites 202309015793 | filed Nov 2025 · issued Nov 2025 · done Nov 2025 | — | city record |
| Electrical | Legalize electrical system in kitchen of accessory dwelling unit. (5) lights, (10) switches, (10) receptacles, (1) fan, (2) smoke detectors. E202504111570 | Apr 11, 2025 → Nov 6, 2025 | — | |
| Electrical | Legalize electrical system in kitchen and bathroom of unit under ordinance 43-14. (10) switches, (20) receptacles, (1) fan, (2) smoke detectors. E202504111571 | Apr 11, 2025 → Nov 6, 2025 | — | |
| Electrical | Run 230v from sub panel to new mini split system. E202505122367 | May 12, 2025 → May 20, 2025 | — | |
| Plumbing | Legalize plumbing in kitchen for accessory dwelling unit. PP20250411585 | Apr 11, 2025 → Oct 1, 2025 | — | |
| Plumbing | Legalize plumbing in kitchen and bathroom in unit to be legalized under ordinance 43-14. PP20250411586 | Apr 11, 2025 → Oct 1, 2025 | — | |
| Plumbing | Work category: 1m; install new condensation lines for mini split unit. PMW20250508127 | May 8, 2025 → May 12, 2025 | — | |
| Plumbing | This pays for inspections related to original permit # pmw20250603694 filed 6/3/2025. Dow: work category: 1m; renew permit pmw20250603694 relocation exiting furnace keep existing vent pipe. PMW20250904840 | Sep 4, 2025 → Sep 10, 2025 | — |
These permits also cite 201110187003, which the city filed before our records begin.
Trade permits show what work was done and when; the city does not record who pulled them.
- Lot
- block 2475, lot 010
- Why we call it an ADU
- SF DBI flagged the permit as an ADU.