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450 Irwin St

San Francisco permit 202407035774 · Mission Bay

Commercial or tenant improvementOver-the-counter, with plansWithdrawn
Street view · Sep 2026
Google Street View of 450 Irwin St, Sep 2026
Scope of work
As written on the permit application.

Interior ti (n0n-structural) of partial 2nd fl of (e) schoool, addition of rooftop mech w/structural support, no area increase. no change in occupancy

Timeline
Key dates from the city record.
Filed
Jul 3, 2024
Issued
Not issued yet
Completed
Not completed yet
City plan review
Each review stop the plans went through, from the city's routing record.
Review stops
9 stops across 4 departments
Comments issued
None
Review stopFinishedResult

Intake

Building Inspection · INTAKE

Jul 3, 2024Administrative

Zoning review

Planning · CP-ZOC

Jul 3, 2024Approved

Structural plan approval

Building Inspection · PAD-STR

Jul 3, 2024Approved

Building plan review

Building Inspection · BLDG

In progress—

Mechanical and energy plan review

Building Inspection · MECH

In progress—

Electrical plan review

Building Inspection · MECH-E

In progress—

Fire prevention review

Fire Department · SFFD

In progress—

Public Utilities Commission review

Public Utilities · SFPUC

In progress—

Central Permit Bureau

Building Inspection · CPB

In progress—

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
Withdrawn
Estimated cost
$186,000
People named on this permit
Only people we matched to a California license are listed.
NameRoleLicense on permit
Joshua Sawyer Cohn

Ca Architects

ArchitectC23410
Chris WarnerEngineerS4613
Sources
Everything on this page comes from public records. Check them yourself.
Permit 202407035774 on the city's permit tracking site

San Francisco Department of Building Inspection, the official record