Permit 202511200121

405 Buchanan St

convert basement into conditioned storage and flex space. add internal stair access to basement. no addition of bathroom or plumbing fixtures changed/add.

Outcome

In progress (city status: issued, Jan 6, 2026)

Filed

Nov 20, 2025

Permit issued

Jan 6, 2026

Declared cost

$100,000

Building use

1 family dwelling

Neighborhood

Hayes Valley

Contractor

Owner-builder: the owner is listed as the builder, so no contractor is ranked for this permit

Project type

Stairs, Bathroom remodel

Property

All permits at this address (block 0841, lot 004)

Everyone on the permit

The parties and license numbers written on the permit, as the city lists them; not a check with any state board. The person who paid the fee and the project contact are not shown.

Owner-builder

Owner Builder

Architect

Carlos Roca, Freeform (no license listed), applicant