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4121 20th St

San Francisco permit 202602115784 · 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 2022
Google Street View of 4121 20th St, Mar 2022
Scope of work
As written on the permit application.

Revision to pa# 202308235085: extend depth of previously approved rear deck by 3'0" to reconcile to previously approved structure drawings. total new deck depth to be 6'2" with 5'6" extension for spiral stair to grade. all work within buildable lot area. (ref pa# 202507251674)

Timeline
Key dates from the city record.
Filed
Feb 11, 2026
Issued
Feb 27, 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
5 stops across 2 departments
Comments issued
None
Review stopFinishedResult

Intake

Building Inspection · INTAKE

Feb 11, 2026Administrative

Code enforcement

Building Inspection · CES

Feb 11, 2026Approved

Zoning review

Planning · CP-ZOC

Feb 11, 2026Approved

Building plan review

Building Inspection · BLDG

Feb 11, 2026Approved

Central Permit Bureau

Building Inspection · CPB

Feb 27, 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
$5,000
People named on this permit
Only people we matched to a California license are listed.
NameRoleLicense on permit
Alan Bryan Fox

Five Design

ArchitectC-36311
Lawrence Tik Man WongEngineer5135
Sources
Everything on this page comes from public records. Check them yourself.
Permit 202602115784 on the city's permit tracking site

San Francisco Department of Building Inspection, the official record