3466 21st St

San Francisco permit 201809119773 · Mission

Home remodel (type unconfirmed)Full plan reviewComplete

Street view · Nov 2020

Google Street View of 3466 21st St, Nov 2020

Scope of work

As written on the permit application.

Renovate (e) house, excavate for a fully below-grade basement, reduce size of (e) 1976 rear addition, modify (e) windows and doors. **comply w/ maher, route to dph**

Timeline

Key dates from the city record.

Filed: Sep 11, 2018
Issued: Jun 24, 2019 (9 months after filing)
Completed: Nov 10, 2022 (41 months after issuance)

City plan review

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

Review stops: 40 stops across 6 departments
Comments issued: Not recorded for this permit
Put on hold: 4 times

The city lists the review stops for this permit but not their results, so we can't tell whether reviewers asked for changes.

Main permit

Review stop	Arrived	Finished	Result
Central Permit Bureau Building Inspection · CPB	Sep 14, 2018	Sep 14, 2018	—
Zoning review Planning · CP-ZOC	Sep 14, 2018	Apr 30, 2019	—
Building plan review Building Inspection · BLDG	May 1, 2019	May 31, 2019	—
Street use and mapping Public Works · DPW-BSM	May 23, 2019	May 24, 2019	—
Public Utilities Commission review Public Utilities · SFPUC	May 28, 2019	May 28, 2019	—
Public health review Public Health · HEALTH	May 31, 2019	Jun 7, 2019	—
Zoning review Planning · CP-ZOC	Jun 7, 2019	Jun 10, 2019	—
Permit Processing Center Building Inspection · PPC	Jun 11, 2019	Jun 11, 2019	—
Central Permit Bureau Building Inspection · CPB	Jun 11, 2019	Jun 24, 2019	—

Addendum 1: Soft demo

Review stop	Arrived	Finished	Result
Central Permit Bureau Building Inspection · CPB	Jul 15, 2019	Jul 15, 2019	—
Building plan review Building Inspection · BLDG	Jul 15, 2019	Jul 16, 2019	—
Building plan review Building Inspection · BLDG	Jul 16, 2019	Jul 17, 2019	—
Permit Processing Center Building Inspection · PPC	Jul 17, 2019	Jul 17, 2019	—
Central Permit Bureau Building Inspection · CPB	Jul 17, 2019	Jul 19, 2019	—

Addendum 2: Hard demo/excavation/shoring & foundation

Review stop	Arrived	Finished	Result
Central Permit Bureau Building Inspection · CPB	Jul 24, 2019	Jul 24, 2019	—
Building plan review Building Inspection · BLDG	Jul 24, 2019	Oct 2, 2019	—
Street use and mapping Public Works · DPW-BSM	Oct 2, 2019	Oct 3, 2019	—
Permit Processing Center Building Inspection · PPC	Oct 4, 2019	Oct 4, 2019	—
Central Permit Bureau Building Inspection · CPB	Oct 4, 2019	Oct 4, 2019	—

Addendum 3: Superstructure

Review stop	Arrived	Finished	Result
Central Permit Bureau Building Inspection · CPB	Jul 24, 2019	Jul 24, 2019	—
Building plan review Building Inspection · BLDG	Jul 24, 2019	Oct 3, 2019	—
Street use and mapping Public Works · DPW-BSM	Oct 3, 2019	Oct 4, 2019	—
Permit Processing Center Building Inspection · PPC	Oct 7, 2019	Oct 7, 2019	—
Central Permit Bureau Building Inspection · CPB	Oct 7, 2019	Oct 11, 2019	—

Addendum 4: Architectural & mep

Review stop	Arrived	Finished	Result
Central Permit Bureau Building Inspection · CPB	Sep 6, 2019	Sep 6, 2019	—
Building plan review Building Inspection · BLDG	Sep 6, 2019	Nov 12, 2019	—
Mechanical and energy plan review Building Inspection · MECH	Oct 4, 2019	Dec 17, 2019	—
Street use and mapping Public Works · DPW-BSM	Oct 28, 2019	Oct 29, 2019	—
Public Utilities Commission review Public Utilities · SFPUC	Oct 30, 2019	Oct 31, 2019	—
Fire prevention review Fire Department · SFFD	Nov 14, 2019	Nov 15, 2019	—
Public health review Public Health · HEALTH	Dec 17, 2019	Dec 19, 2019	—
Zoning review Planning · CP-ZOC	Dec 19, 2019	Jan 21, 2020	—
Permit Processing Center Building Inspection · PPC	Jan 22, 2020	Jan 22, 2020	—
Central Permit Bureau Building Inspection · CPB	Jan 22, 2020	Jan 23, 2020	—

Addendum 5: Sound wall

Review stop	Arrived	Finished	Result
Central Permit Bureau Building Inspection · CPB	Feb 2, 2022	Feb 4, 2022	—
Zoning review Planning · CP-ZOC	Mar 9, 2022	Apr 27, 2022	—
Building plan review Building Inspection · BLDG	Apr 28, 2022	May 13, 2022	—
Mechanical and energy plan review Building Inspection · MECH	May 12, 2022	May 20, 2022	—
Permit Processing Center Building Inspection · PPC	May 20, 2022	May 20, 2022	—
Central Permit Bureau Building Inspection · CPB	May 20, 2022	Jun 1, 2022	—

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: Complete
Estimated cost: $3,600,000

People named on this permit

Only people we matched to a California license are listed.

Name	Role	License on permit
Kenneth Alan Linsteadt Ken Linsteadt & Architecture	Architect	C23100

Sources

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

Permit 201809119773 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 Nov 2020