CheckMyDesigner

91 Warren Dr

San Francisco permit 202010217050 · Inner Sunset

Home remodel (type unconfirmed)Over-the-counter, with plansComplete
Street view · Sep 2026
Google Street View of 91 Warren Dr, Sep 2026
Scope of work
As written on the permit application.

Convert 702 sf existing storage to living space at 1st floor by extending 1st floor align w/ existing 2nd floor wall. 1st fl conditional space convert to 2 bedrooms, 1 bath, 1 family rm.

Timeline
Key dates from the city record.
Filed
Oct 21, 2020
Issued
Jan 6, 2021 (3 months after filing)
Completed
Aug 5, 2021 (7 months after issuance)
City plan review
Each review stop the plans went through, from the city's routing record.
Review stops
11 stops across 5 departments
Comments issued
Not recorded for this permit

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

Review stopFinishedResult

Central Permit Bureau

Building Inspection · CPB

Oct 21, 2020—

Zoning review

Planning · CP-ZOC

Oct 23, 2020—

Building plan review

Building Inspection · BLDG

Nov 6, 2020—

Mechanical and energy plan review

Building Inspection · MECH

Nov 16, 2020—

Street use and mapping

Public Works · DPW-BSM

Dec 7, 2020—

Public Utilities Commission review

Public Utilities · SFPUC

Dec 15, 2020—

Permit Center

Permit Center · PERMIT-CTR

Dec 23, 2020—

Building plan review

Building Inspection · BLDG

Dec 30, 2020—

Mechanical and energy plan review

Building Inspection · MECH

Dec 31, 2020—

Mechanical and energy plan review

Building Inspection · MECH

Dec 31, 2020—

Central Permit Bureau

Building Inspection · CPB

Jan 6, 2021—

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
$68,000
People named on this permit
Only people we matched to a California license are listed.
NameRoleLicense on permit
Yu Yan

Zenith Engineers Inc

EngineerC90749
Sources
Everything on this page comes from public records. Check them yourself.
Permit 202010217050 on the city's permit tracking site

San Francisco Department of Building Inspection, the official record