Converted · legalization · Lone Mountain/USF

51 Beaumont Ave

In progress+2 units on this lot · now 413 permits

Legalize rear horizontal expansion and existing unit on 1st floor partially address complaint number 202309943. Deferred submittal fire sprinkler entire structure per nfpa 13r.

filed Dec 2023issued Mar 2025 · permit wait 1 year 2 months1 year 8 months since issue
waiting for permitconstructionrelated building permitelectrical permitplumbing permit
Declared value
$353,604 for 2 ADUs + other work
the permit also covers work unrelated to the ADU, so this is not an ADU price
Permit wait
1 year 2 months
filed → issued
Build time
in progress
issued → completed

Permits in this project

PermitWhatWhenDeclared
ADU permitLegalize rear horizontal expansion and existing unit on 1st floor partially address complaint number 202309943. Deferred submittal fire sprinkler entire structure per nfpa 13r.
202312273127 · K & K Builder INC
filed Dec 2023 · issued Mar 2025$325kcity record
SprinklersInstall fire sprinkler system 13r in all units install snoot and backflow device. No underground work.
202511109269 · Aqua Sense Fire Protection
filed Nov 2025 · issued Dec 2025 · done Aug 2026$17kcity record
SprinklersUnderground plumbing; reference permit 202511109269 install fire sprinkler system in all floors.
202603137500 · Aqua Sense Fire Protection
filed Mar 2026 · issued Mar 2026 · done Aug 2026$12kcity record
RevisionRevision to existing permit 202312273127. 1) update as-built layout to refect accurate existing condition. 2) replace gas appliance with electrical appliance. 3) change front door location to ADU 4) create new closet.
202603318628 · cites 202312273127 · K & K Builder INC
filed Mar 2026 · issued Apr 2026—city record
ElectricalNew electrical subpanel & wiring for 2 ADU, 51a-53a beaumont.
E202508225002
Aug 22, 2025 → Sep 4, 2026—
ElectricalUnit a: new electrical wiring, subpanel for new ADU 53a.
E202512097637
Dec 9, 2025 → Sep 4, 2026—
ElectricalScope of electrical work includes and is limited to upgrading existing service to new 400-a underground service for a 4-unit building, done in conjunction with building permit #202312273127. Excludes new in-unit panels and any work done in units, which is to be done under a separate electrical permit by a different electrical contractor.
EW202602042537
Feb 4, 2026 → Sep 4, 2026—
PlumbingInstall plumbing for 2 ADU. ADU consist of studio apartment with kitchen and full bathroom.
PP20250822310
Aug 22, 2025 → Sep 1, 2026—
PlumbingUnit 51a and 53a install mini split heat pumps to new adus.
PM20251205231
Dec 5, 2025 → Sep 1, 2026—
PlumbingFire suppression for 1st and 2nd floor.
PP20260204211
Feb 4, 2026 → Sep 1, 2026—
PlumbingMove existing water service line to accomodate elelctrical service upgrade.
PP20260213421
Feb 13, 2026 → Sep 1, 2026—
PlumbingInstall sprinkler for all floors to include underground work.
PP20260313923
Mar 13, 2026 → Sep 1, 2026—
PlumbingWork category: 1p; sewer and house trap.
PW20260605467
Jun 5, 2026 → Jun 10, 2026—

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

Lot
block 1085, lot 006
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