Permit GraphShortlistSan Francisco building permits since 2000

Luyao Zhang

License
C6737
Look the license up with the state
Listed as
engineer
On San Francisco permits
Jun 2025 to May 2026

2 permits since 2000 (engineer on 2 permits): 2 completed.

CompletedIn progressNever finaledExpired or cancelled

This is the city’s permit record, not a license check: the role and the number come from what was written on each permit (the number spelled one way). It does not show whether the license is current. How to read these records

Most recent permits

FiledOutcomeAddressContractorWork described on the permitDeclared cost
May 11, 2026Completed
final sign-off Jun 2026
2235 31st AvCy Construction Llcrevision to permit 202505136351. change large skylight over stairwell to 2 small skylights. add a skylight in 2/f kitchen. installation of an existing doorway on 2/f that was missed in original permit.
Details
Permit
202605111005
Status
complete
Filed
May 11, 2026
Permit issued
May 11, 2026
Final sign-off
Jun 2, 2026
Address
2235 31st Av

revision to permit 202505136351. change large skylight over stairwell to 2 small skylights. add a skylight in 2/f kitchen. installation of an existing doorway on 2/f that was missed in original permit.

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Jun 6, 2025Completed
final sign-off Jun 2026
2235 31st AvCy Construction Llcaddition in the back (frame) under (e) 2/f ext). int remodel (upstairs bathroom & kitchen),partially convert downstairs garage to habitable space. int stairs down (close breezeway,rewire all electrical. r/r in-kind 2/f front windows.
Details
Permit
202505136351
Status
complete
Filed
Jun 6, 2025
Permit issued
Oct 28, 2025
Final sign-off
Jun 2, 2026
Declared cost
$250,000
Address
2235 31st Av

addition in the back (frame) under (e) 2/f ext). int remodel (upstairs bathroom & kitchen),partially convert downstairs garage to habitable space. int stairs down (close breezeway,rewire all electrical. r/r in-kind 2/f front windows.

Open the permit page

$250,000