Converted · legalization · Castro/Upper Market

281A Castro St

Completed May 2026+1 unit on this lot · now 34 permits

Legalization of existing studio unit to comply with nov 202182222: interior remodel to create ADU at 1/f level of existing 3-story, 2-unit.

filed Oct 2025issued Jan 2026 · permit wait 3 monthscompleted May 2026 · built in 4 months

waiting for permitconstructionrelated building permitelectrical permitplumbing permit

Declared value

$128,175

declared on the ADU permit

Permit wait

3 months

filed → issued

Build time

4 months

issued → completed

Builder

Permits in this project

Permit	What	When	Declared
ADU permit	Legalization of existing studio unit to comply with nov 202182222: interior remodel to create ADU at 1/f level of existing 3-story, 2-unit. 202510076859 · J & J Dynamic Construction INC	filed Oct 2025 · issued Jan 2026 · done May 2026	$128k	city record
Electrical	Unit #a basement level: bathroom renovation, kitchen renovation, and installation of a new subpanel. (2) lights (3) switches, (8) receptaclees, (1) garbage disposal, (1) range, (2) smoke detectors. E202602028633	Feb 2, 2026 → Apr 24, 2026	—
Plumbing	Unit #a basement level: bathroom renovation, kitchen renovation. (1) shower pan. PP20260202139	Feb 2, 2026 → Apr 28, 2026	—
Plumbing	Installation of gas wall heater. PM20260227665	Feb 27, 2026 → Mar 20, 2026	—

1 other permit on this lot during the project, not counted

Other

Addressing permit only. Add 283 castro st for the first-floor rear unit within a two-unit residential building. Link to parcel 3561-033.

202603318641

filed Mar 2026 · issued Apr 2026 · done Jul 2026

—

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

Lot: block 3561, lot 033
Why we call it an ADU: Two independent model reviewers agreed the permit creates an ADU: “"legalization of (e) studio unit to comply with nov 202182222: interior remodel to create adu at 1/f level of (e) 3-story, 2-unit." Units: 2 \u2192 3”