Converted · legalization · Haight Ashbury

1409 Masonic Ave

Completed Sep 2025+1 unit on this lot · now 59 permits

Rear unit - legalize ground floor room as 5th apartment per sec 207. 3 of SF planning code.

filed May 2017issued Nov 2023 · permit wait 6 years 6 monthscompleted Sep 2025 · built in 1 year 10 months
waiting for permitconstructionrelated building permitelectrical permitplumbing permit
Declared value
$2,500
declared on the ADU permit
Permit wait
6 years 6 months
filed → issued
Build time
1 year 10 months
issued → completed

Permits in this project

PermitWhatWhenDeclared
ADU permitRear unit - legalize ground floor room as 5th apartment per sec 207. 3 of SF planning code.
201705237355 · K & D General Construction INC
filed May 2017 · issued Nov 2023 · done Sep 2025$2,500city record
SprinklersInstall new fire sprinklerl system throughout 2st floor pwr nfpa 13 2022 including 2" dedicated fire services.
202403298894 · Hong Wei Construction INC
filed Mar 2024 · issued Mar 2024 · done Sep 2025$18kcity record
RevisionAs-built per plumbing inspection - ref pa# 202403298894 as built to match plumbing fixtures to plans.
202406184712 · Hong Wei Construction INC
filed Jun 2024 · issued Jun 2024 · done Sep 2025—city record
SprinklersInstallation of new sprinkler monitoring system fire alarm sprinkler waterflow and supervisory system. Ref#: 202403298894.
202508062420 · Crime Watch Security Sys Llc
filed Aug 2025 · issued Aug 2025 · done Aug 2025$14kcity record
ElectricalReplace new subpanel and kitchen remodeling.
E202411088120
Nov 8, 2024 → Feb 24, 2025—
ElectricalOnline electrical permit: 60 of buildings of 6 dwelling units or less. Installation of a sprinkler monitoring system.
E202508114657
Aug 11, 2025—
PlumbingE) kitchen remodel at ground floor.
PP20241125223
Nov 25, 2024 → Mar 3, 2025—
PlumbingWork category: 1p; remove existing backfiow valve in the garage area.
PW20250516315
May 16, 2025 → Jun 26, 2025—
PlumbingWork category: 4pa; renewal expired existing fire sprinkler plumbing permit# pw20240329699 for underground pipe and final inspection.
PW20250624171
Jun 24, 2025 → Jul 31, 2025—

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

Lot
block 1270, lot 001B
Why we call it an ADU
Two independent model reviewers agreed the permit creates an ADU: “"rear unit - legalize ground floor room as 5th apartment per sec 207.3 of sf planning code." Existing units: 4 → Proposed units: 5”
Claim this project or house

City record of the ADU permitProperty Information Map