Permit GraphShortlistSan Francisco building permits since 2000

Permit 202505015597

639 04th Av

interior renovation of all floors, connect level 1 with garage level with new internal stair to add 446 sf of habitable space. level 2 and level 3: add 13 sf of area at rear wall by straighten rear walls. change extent and configuration of deck at rear.

Outcome
In progress (city status: issued, Nov 17, 2025)
Filed
Jun 7, 2025
Permit issued
Nov 17, 2025
Declared cost
$500,000
Building use
2 family dwelling
Neighborhood
Inner Richmond
Contractor
Wing Construction Co. (license 800702)
Project type
Deck, Stairs
Property
All permits at this address (block 1640, lot 010)

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.

Contractor
Wing Construction Co. (license 800702)
Architect
Winnie Chen, Winnie W Chen (license C36993), applicant
Engineer
Horon Lee (license S3818)