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457 Duncan St

San Francisco permit 202507211234 · Noe Valley

AdditionFull plan reviewIssued
Street view · Nov 2020
Google Street View of 457 Duncan St, Nov 2020
Scope of work
As written on the permit application.

1st flr-horizontal addition @ rear yard w/ bedrm,bathrm,office & storage;convert (e)garage area into (conditioned space w/ laundry rm & mudrm;(n) interior stairs conneting 1st & 2nd flr;4)excavate grade @ rear yard. 2nd flr-demolish rear portion of bldg, deck & exterior stairs; horizontal 2025072512

Timeline
Key dates from the city record.
Filed
Aug 11, 2025
Issued
Mar 17, 2026 (7 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
21 stops across 6 departments
Comments issued
4 times, by Building Inspection, Public Works
Review stopFinishedResult

Permit Center

Permit Center · PERMIT-CTR

Jul 28, 2025Approved

Central Permit Bureau

Building Inspection · CPB

Aug 12, 2025Administrative

Zoning review

Planning · CP-ZOC

Aug 12, 2025Approved

Building plan review

Building Inspection · BLDG

Sep 11, 2025Administrative

Structural plan approval

Building Inspection · PAD-STR

Sep 11, 2025Issued Comments

Mechanical and energy plan review

Building Inspection · MECH

Sep 10, 2025Approved

Fire prevention review

Fire Department · SFFD

Aug 13, 2025Approved-Stipulated

Street use and mapping

Public Works · DPW-BSM

Aug 14, 2025Issued Comments

Urban forestry

Public Works · DPW-BUF

Oct 2, 2025Issued Comments

Public Utilities Commission review

Public Utilities · SFPUC

Aug 14, 2025Approved

Permit Processing Center

Building Inspection · PPC

Oct 16, 2025Administrative

Zoning review

Planning · CP-ZOC

Oct 6, 2025Approved

Structural plan approval

Building Inspection · PAD-STR

Oct 14, 2025Approved

Mechanical and energy plan review

Building Inspection · MECH

Oct 16, 2025Approved

Fire prevention review

Fire Department · SFFD

Oct 8, 2025Approved-Stipulated

Street use and mapping

Public Works · DPW-BSM

Oct 8, 2025Issued Comments

Urban forestry

Public Works · DPW-BUF

Oct 15, 2025Approved

Public Utilities Commission review

Public Utilities · SFPUC

Oct 14, 2025Approved

Street use and mapping

Public Works · DPW-BSM

Oct 15, 2025Approved

Development fee collection

Building Inspection · DFCU

Oct 16, 2025Administrative

Central Permit Bureau

Building Inspection · CPB

Mar 17, 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
$557,300
People named on this permit
Only people we matched to a California license are listed.
NameRoleLicense on permit
Jorge R Carbonell

Jorge Carbonell Architecture

ArchitectC30680
Shaun Edward Moynahan

Semco Engineering

EngineerS4605
Sources
Everything on this page comes from public records. Check them yourself.
Permit 202507211234 on the city's permit tracking site

San Francisco Department of Building Inspection, the official record