Converted · ground-floor conversion · Haight Ashbury

350 Frederick St

In progress+1 unit on this lot · now 68 permits

Build one bedroom ADU in the first floor storage area.

filed May 2025issued Nov 2025 · permit wait 6 months1 year since issue
waiting for permitconstructionrelated building permitelectrical permitplumbing permit
Declared value
$223,760
declared across 2 permits: the ADU permit plus its sub-permits
Permit wait
6 months
filed → issued
Build time
in progress
issued → completed

Permits in this project

PermitWhatWhenDeclared
ADU permitBuild one bedroom ADU in the first floor storage area.
202501067810 · Doyle Developments INC
filed May 2025 · issued Nov 2025$204kcity record
RevisionRevision 202501067810- provide sleeper framing to replace existing. Add new foundation, replace existing post and beam with new bearing wall.
202512101458 · cites 202501067810 · Doyle Developments INC
filed Dec 2025 · issued Jan 2026$20kcity record
ElectricalInstall all new electrical wiring in new unit in lower level which includes 1 bedroom 1. 5 bathroom. Kitchen, living dining and laundry. Install ground electrode no 4 copper in foundation.
EW202601292385
Jan 29, 2026—
ElectricalOnline electrical permit: 120 of buildings of 7-12 dwelling units. Modification of an existing fire alarm system by upgrading the fire panel, update all existing devices to be compatible with new facp and provide low frequency sounders in all sleeping areas to meet 75db.
E202606081393
Jun 8, 2026—
PlumbingNew one and a half bathroom, kithcen relocate tankless water heater, new gas line for water heater, 1 shower pan.
PP20260223545
Feb 23, 2026—
PlumbingWork category: 1m; install new mini split heat pump system for ground floor unit.
PMW20260612645
Jun 12, 2026—
PlumbingWork category: 4pa; modification of the fire sprinkler system at ground floor new dwelling unit#7 according to fire sprinkler permit # fire-26-862 and also refers to building permit app# 2025 0106 7810 per nfpa 13, 14 2025 & new underground piping per nfpa 24 (trench, backfill and sidewalk repair by other under separate permit).
PW20260730890
Jul 30, 2026—
PlumbingInstall a backflow for domestic water line.
PP20260824071
Aug 24, 2026—
1 other permit on this lot during the project, not counted
OtherCompliance with mandatory soft story program per sfebc 106d. 2. 5 appendix a4.
202601214250 · Doyle Developments INC
filed Jan 2026 · issued Jan 2026$15kcity record

Trade permits show what work was done and when; the city does not record who pulled them.

Lot
block 1253, lot 030
Why we call it an ADU
SF DBI flagged the permit as an ADU.
Claim this project or house

City record of the ADU permitProperty Information Map