19 Heron St

San Francisco permit 202306230792 · South of Market

Legalize or fix a violationOver-the-counter, with plansComplete

Street view · Sep 2026

Google Street View of 19 Heron St, Sep 2026

Scope of work

As written on the permit application.

Removal of 9 unauthorized units in a 2-story warehouse building. project to rever building to last authorized with a conditional use (cua) per pcs 317(c)(1). demolition of interior walls and mezzanine.

Timeline

Key dates from the city record.

Filed: Jun 23, 2023
Issued: Oct 25, 2023 (4 months after filing)
Completed: Sep 23, 2025 (23 months after issuance)

For comparison, San Francisco permits with the same review (over-the-counter, with plans) filed in 2023 were typically issued within 1 month (median of 4,704 issued permits).

City plan review

Each review stop the plans went through, from the city's routing record.

Review stops: 10 stops across 4 departments
Comments issued: Twice, by Planning, Building Inspection
Put on hold: Once

Review stop	Arrived	Finished	Result
Intake Building Inspection · INTAKE	Jun 23, 2023	Jun 23, 2023	—
Permit Center Permit Center · PERMIT-CTR	Jul 12, 2023	Jul 12, 2023	—
Zoning review Planning · CP-ZOC	Jul 18, 2023	Jul 20, 2023	Issued Comments
Zoning review Planning · CP-ZOC	Aug 28, 2023	Aug 28, 2023	Approved
Permit Center Permit Center · PERMIT-CTR	Aug 29, 2023	Aug 29, 2023	—
Building plan review Building Inspection · BLDG	Sep 6, 2023	Sep 6, 2023	Issued Comments
Building plan review Building Inspection · BLDG	Sep 22, 2023	Sep 22, 2023	Approved
Mechanical and energy plan review Building Inspection · MECH	Sep 27, 2023	Sep 27, 2023	Approved
Fire prevention review Fire Department · SFFD	Sep 27, 2023	Sep 27, 2023	Administrative
Central Permit Bureau Building Inspection · CPB	Oct 25, 2023	Oct 25, 2023	Administrative

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: $15,000

People named on this permit

Only people we matched to a California license are listed.

Name	Role	License on permit
Michael Iain Hannah Mihmic Architecture Inc	Architect	C-35073

Sources

Everything on this page comes from public records. Check them yourself.

Permit 202306230792 on the city's permit tracking site

San Francisco Department of Building Inspection, the official record

DataSF Building PermitsAddress, scope, cost, dates and status
Retrieved Nov 5, 2026
DataSF Building Permit ContactsArchitects and engineers named on the permit
Retrieved Nov 5, 2026
DataSF Building Permit Addenda with RoutingPlan review stops and results
Retrieved Nov 6, 2026
Google Street ViewStreet photo
Taken Sep 2026