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3121 20th St #3

San Francisco permit 202512101403 · Mission

Revision or supplementOver-the-counter, with plansComplete

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

Street view · Sep 2026
Google Street View of 3121 20th St #3, Sep 2026
Scope of work
As written on the permit application.

Unit 3: revision to permit 202512010627. replace tub with shower in existing bathroom.

Timeline
Key dates from the city record.
Filed
Dec 10, 2025
Issued
Dec 10, 2025 (within 1 month of filing)
Completed
Sep 14, 2026 (9 months after issuance)
City plan review
Each review stop the plans went through, from the city's routing record.
Review stops
8 stops across 4 departments
Comments issued
None
Review stopFinishedResult

Intake

Building Inspection · INTAKE

Dec 10, 2025Administrative

Apartment and hotel inspection

Building Inspection · HIS

Dec 10, 2025Administrative

Zoning review

Planning · CP-ZOC

Dec 10, 2025Not Applicable

Building plan review

Building Inspection · BLDG

Dec 10, 2025Approved

Mechanical and energy plan review

Building Inspection · MECH

Dec 10, 2025Approved

Fire prevention review

Fire Department · SFFD

Dec 10, 2025Not Applicable

Public Utilities Commission review

Public Utilities · SFPUC

Dec 10, 2025Approved

Central Permit Bureau

Building Inspection · CPB

Dec 10, 2025Administrative

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
Complete
Estimated cost
$3,000
People named on this permit
Only people we matched to a California license are listed.
NameRoleLicense on permit
David Edward Cumby

Cumby Architecture

ArchitectC29182
Sources
Everything on this page comes from public records. Check them yourself.
Permit 202512101403 on the city's permit tracking site

San Francisco Department of Building Inspection, the official record