399 Duncan St #0

San Francisco permit 202605201648 · Noe Valley

AdditionOver-the-counter, with plansFiled

Street view · Jan 2018

Google Street View of 399 Duncan St #0, Jan 2018

Scope of work

As written on the permit application.

Minor 211sqft at grade extension of existing residence into the rear yard proposed ext. replace an (e) raised wooden deck within the footprint of (e) development work incl. a replacment roof deck and staircase for the residence scope incl. minor landscape within the (e) landscape area. excavation

Timeline

Key dates from the city record.

Filed: May 20, 2026
Issued: Not issued yet
Completed: Not completed yet

City plan review

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

Review stops: 10 stops across 4 departments
Comments issued: Twice, by Building Inspection

Review stop	Arrived	Finished	Result
Intake Building Inspection · INTAKE	May 20, 2026	May 20, 2026	Administrative
Zoning review Planning · CP-ZOC	May 20, 2026	May 20, 2026	Approved
Building plan review Building Inspection · BLDG	May 28, 2026	May 28, 2026	Issued Comments
Building plan review Building Inspection · BLDG	Jul 14, 2026	Jul 14, 2026	Approved
Mechanical and energy plan review Building Inspection · MECH	Aug 7, 2026	Aug 7, 2026	Issued Comments
Zoning review Planning · CP-ZOC	Aug 18, 2026	Aug 18, 2026	Approved
Fire prevention review Fire Department · SFFD	Aug 18, 2026	Aug 18, 2026	Approved
Mechanical and energy plan review Building Inspection · MECH	Aug 18, 2026	Aug 18, 2026	Approved
Public Utilities Commission review Public Utilities · SFPUC	Aug 18, 2026	Aug 18, 2026	Not Applicable
Central Permit Bureau Building Inspection · CPB	—	In progress	—

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: Filed
Estimated cost: $148,000

People named on this permit

Only people we matched to a California license are listed.

Name	Role	License on permit
Bryan J Hassemer Inft3	Architect	C37092

Sources

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

Permit 202605201648 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 Jan 2018