450 Sansome St

San Francisco permit 202510237987 · Chinatown

Commercial or tenant improvementOver-the-counter, with plansComplete

Street view · Sep 2026

Google Street View of 450 Sansome St, Sep 2026

Scope of work

As written on the permit application.

Scope of work 7th fl (ste 750) shall consist of interior demo of non structural elements including interior partitoins, doors, finishes, ceilings, lighting,mech and elec outlets/switches. restroom ada upgrades, drinking fountains. mep life safety,sprinkler sys sep permit. no exterior work.

Timeline

Key dates from the city record.

Filed: Oct 23, 2025
Issued: Jan 20, 2026 (3 months after filing)
Completed: Sep 25, 2026 (8 months after issuance)

For comparison, San Francisco permits with the same review (over-the-counter, with plans) filed in 2025 were typically issued within 1 month (median of 5,178 issued permits).

City plan review

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

Review stops: 9 stops across 3 departments
Comments issued: None

Review stop	Arrived	Finished	Result
Intake Building Inspection · INTAKE	Oct 23, 2025	Oct 23, 2025	Administrative
Building plan review Building Inspection · BLDG	Oct 23, 2025	Oct 23, 2025	Approved
Mechanical and energy plan review Building Inspection · MECH	Oct 23, 2025	Oct 23, 2025	Approved-Stipulated
Fire prevention review Fire Department · SFFD	Oct 23, 2025	Oct 23, 2025	Approved-Stipulated
Public Utilities Commission review Public Utilities · SFPUC	Oct 23, 2025	Oct 23, 2025	Approved
Building plan review Building Inspection · BLDG	Dec 19, 2025	Dec 19, 2025	Approved
Fire prevention review Fire Department · SFFD	Dec 29, 2025	Dec 29, 2025	Approved
Public Utilities Commission review Public Utilities · SFPUC	Dec 29, 2025	Dec 29, 2025	Approved
Central Permit Bureau Building Inspection · CPB	Jan 20, 2026	Jan 20, 2026	Administrative

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: $385,672

People named on this permit

Only people we matched to a California license are listed.

Name	Role	License on permit
Yong Jin Park	Architect	C41013

Sources

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

Permit 202510237987 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 Sep 2026