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3500 21st St

San Francisco permit 202606173378 · Castro/Upper Market

Revision or supplementOver-the-counter, with plansIssued

This permit revises or supplements an earlier permit, so it is not counted in permit totals or timing.

Street view · Mar 2025
Google Street View of 3500 21st St, Mar 2025
Scope of work
As written on the permit application.

Revision to bpa#202504174601. heating & cooling systems changed to 2 outdoor heat pumps with ducted multi-split system. domestic hot water heater revised to be heat pump water heater cf1r, rms-1 doucments updated to reflect these changes.

Timeline
Key dates from the city record.
Filed
Jun 17, 2026
Issued
Jun 18, 2026 (within 1 month of filing)
Completed
Not completed yet
City plan review
Each review stop the plans went through, from the city's routing record.
Review stops
4 stops across 1 department
Comments issued
None
Review stopFinishedResult

Intake

Building Inspection · INTAKE

Jun 17, 2026Administrative

Building plan review

Building Inspection · BLDG

Jun 18, 2026Approved

Mechanical and energy plan review

Building Inspection · MECH

Jun 18, 2026Approved

Central Permit Bureau

Building Inspection · CPB

Jun 18, 2026Administrative

Source: DataSF 87xy-gk8d (Building Permit Addenda with Routing), retrieved Nov 6, 2026. Reviewer names and notes are left out.

Permit details
Permit type
OTC alterations permit
Status
Issued
Estimated cost
$15,000
People named on this permit
Only people we matched to a California license are listed.
NameRoleLicense on permit
John Git Hoong Lum

John Lum Architecture

Architect21837
Sources
Everything on this page comes from public records. Check them yourself.
Permit 202606173378 on the city's permit tracking site

San Francisco Department of Building Inspection, the official record