4160 20th St

San Francisco permit 202207208951 · Castro/Upper Market

ADUFull plan reviewIssued

Street view · Aug 2016

Google Street View of 4160 20th St, Aug 2016

Scope of work

As written on the permit application.

To comply with nov# 202293305. partial conversion of existing basement level into 530 sf adu unit.

Timeline

Key dates from the city record.

Filed: Jul 20, 2022
Issued: Jun 8, 2023 (11 months after filing)
Completed: Not completed yet

For comparison, San Francisco permits with the same review (full plan review) filed in 2022 typically took 12 months to be issued (median of 872 issued permits).

City plan review

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

Review stops: 29 stops across 5 departments
Comments issued: None
Put on hold: 7 times

Main permit

Review stop	Arrived	Finished	Result
Central Permit Bureau Building Inspection · CPB	Jul 18, 2022	Aug 4, 2022	—
Apartment and hotel inspection Building Inspection · HIS	Jul 20, 2022	Jul 20, 2022	—
Building inspector Building Inspection · BID-INSP	Aug 3, 2022	Aug 3, 2022	—
Permit Processing Center Building Inspection · PPC	Aug 4, 2022	May 25, 2023	—
Zoning review Planning · CP-ZOC	Aug 5, 2022	Oct 20, 2022	—
Building plan review Building Inspection · BLDG	Aug 5, 2022	Jan 12, 2023	—
Fire prevention review Fire Department · SFFD	Aug 5, 2022	Sep 27, 2022	—
Urban forestry Public Works · DPW-BUF	Aug 5, 2022	Mar 9, 2023	—
Street use and mapping Public Works · DPW-BSM	Aug 5, 2022	Sep 29, 2022	—
Public Utilities Commission review Public Utilities · SFPUC	Aug 5, 2022	Aug 8, 2022	—
Public Utilities Commission review Public Utilities · SFPUC	Oct 4, 2022	Oct 4, 2022	—
Zoning review Planning · CP-ZOC	Oct 20, 2022	Nov 29, 2022	—
Public Utilities Commission review Public Utilities · SFPUC	Nov 30, 2022	Nov 30, 2022	—
Street use and mapping Public Works · DPW-BSM	Dec 5, 2022	Dec 5, 2022	—
Building plan review Building Inspection · BLDG	Jan 12, 2023	Jan 12, 2023	—
Urban forestry Public Works · DPW-BUF	Mar 9, 2023	May 25, 2023	—
Development fee collection Building Inspection · DFCU	May 25, 2023	May 25, 2023	—
Central Permit Bureau Building Inspection · CPB	May 25, 2023	Jun 8, 2023	—

Addendum 1: Final

Review stop	Arrived	Finished	Result
Central Permit Bureau Building Inspection · CPB	Jun 16, 2023	Jun 16, 2023	—
Building plan review Building Inspection · BLDG	Jun 16, 2023	Aug 28, 2023	Approved
Mechanical and energy plan review Building Inspection · MECH	Jun 16, 2023	Sep 1, 2023	Approved
Fire prevention review Fire Department · SFFD	Jun 16, 2023	Jun 20, 2023	—
Street use and mapping Public Works · DPW-BSM	Jun 16, 2023	Jun 21, 2023	—
Public Utilities Commission review Public Utilities · SFPUC	Jun 16, 2023	Jun 28, 2023	—
Permit Processing Center Building Inspection · PPC	Jun 16, 2023	Sep 15, 2023	—
Fire prevention review Fire Department · SFFD	Aug 30, 2023	Aug 30, 2023	Approved
Street use and mapping Public Works · DPW-BSM	Aug 30, 2023	Sep 13, 2023	Approved
Public Utilities Commission review Public Utilities · SFPUC	Aug 30, 2023	Sep 1, 2023	Approved
Central Permit Bureau Building Inspection · CPB	Sep 15, 2023	Sep 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: Additions alterations or repairs
Status: Issued
Estimated cost: $150,000

People named on this permit

Only people we matched to a California license are listed.

Name	Role	License on permit
Mahya Salehi Fadardi	Architect	C38610

Sources

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

Permit 202207208951 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 Aug 2016