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101 Walnut St

San Francisco permit 202511139490 · Presidio Heights

Addition (type unconfirmed)Full plan reviewIssued
Street view · Apr 2022
Google Street View of 101 Walnut St, Apr 2022
Scope of work
As written on the permit application.

Interior renovation. 1st flr excavation to expand (e) south wall. structural work (n) retaining walls and (n) 1st flr slab on grade. (n) mech equipment.

Timeline
Key dates from the city record.
Filed
Dec 11, 2025
Issued
Apr 3, 2026 (4 months after filing)
Completed
Not completed yet

For comparison, San Francisco permits with the same review (full plan review) filed in 2025 typically took 5 months to be issued (median of 642 issued permits).

City plan review
Each review stop the plans went through, from the city's routing record.
Review stops
32 stops across 7 departments
Comments issued
8 times, by Planning, Building Inspection, Public Utilities
Review stopFinishedResult

Intake

Building Inspection · INTAKE

Nov 13, 2025Administrative

Zoning review

Planning · CP-ZOC

Nov 13, 2025Approved

Permit Center

Permit Center · PERMIT-CTR

Dec 3, 2025Approved

Central Permit Bureau

Building Inspection · CPB

Dec 11, 2025Administrative

Zoning review

Planning · CP-ZOC

Dec 18, 2025Issued Comments

Building plan review

Building Inspection · BLDG

Jan 28, 2026Issued Comments

Structural plan approval

Building Inspection · PAD-STR

Jan 29, 2026Issued Comments

Mechanical and energy plan review

Building Inspection · MECH

Jan 9, 2026Issued Comments

Fire prevention review

Fire Department · SFFD

Jan 23, 2026Approved-Stipulated

Street use and mapping

Public Works · DPW-BSM

Dec 15, 2025Approved

Urban forestry

Public Works · DPW-BUF

Jan 9, 2026Approved

Public Utilities Commission review

Public Utilities · SFPUC

Dec 18, 2025Issued Comments

Public Health

HEALTH-MH

Dec 12, 2025Approved

Permit Processing Center

Building Inspection · PPC

Mar 25, 2026Administrative

Zoning review

Planning · CP-ZOC

Dec 18, 2025Approved

Building plan review quality control

Building Inspection · BLDG-QC

Jan 28, 2026Approved

Building plan review

Building Inspection · BLDG

Mar 3, 2026Issued Comments

Structural plan approval

Building Inspection · PAD-STR

Feb 23, 2026Issued Comments

Public Utilities Commission review

Public Utilities · SFPUC

Feb 24, 2026Approved

Mechanical and energy plan review

Building Inspection · MECH

Mar 5, 2026Approved

Structural plan approval

Building Inspection · PAD-STR

Mar 10, 2026Approved

Public Utilities Commission review

Public Utilities · SFPUC

Mar 16, 2026Approved

Public Health

HEALTH-MH

Mar 13, 2026Approved

Fire prevention review

Fire Department · SFFD

Mar 10, 2026Approved-Stipulated

Zoning review

Planning · CP-ZOC

Mar 11, 2026Approved

Structural plan approval

Building Inspection · PAD-STR

Mar 12, 2026Not Applicable

Building plan review

Building Inspection · BLDG

Mar 16, 2026Issued Comments

Mechanical and energy plan review

Building Inspection · MECH

Mar 16, 2026Approved

Building plan review

Building Inspection · BLDG

Mar 19, 2026Approved

Street use and mapping

Public Works · DPW-BSM

Mar 20, 2026Approved

Urban forestry

Public Works · DPW-BUF

Mar 25, 2026Approved

Central Permit Bureau

Building Inspection · CPB

Apr 3, 2026Administrative

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
$1,452,929
People named on this permit
Only people we matched to a California license are listed.
NameRoleLicense on permit
W Jason Alden

Alden Architecture

ArchitectC34523
Sources
Everything on this page comes from public records. Check them yourself.
Permit 202511139490 on the city's permit tracking site

San Francisco Department of Building Inspection, the official record