301 Mission St

San Francisco permit 201812047402 · Financial District/South Beach

Seismic retrofit or foundationFull plan reviewComplete

Street view · Sep 2026

Google Street View of 301 Mission St, Sep 2026

Scope of work

As written on the permit application.

Parallel plan check, voluntary seismic upgrade and foundation stabilization, addition of new piles, extending to rock, and tranfer approximatly 20% of building weight to the new piles with intent of arresting boilding settlement and improving the foundation lateral capacity.

Timeline

Key dates from the city record.

Filed: Dec 4, 2018
Issued: Feb 26, 2021 (27 months after filing)
Completed: Feb 14, 2025 (48 months after issuance)

City plan review

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

Review stops: 10 stops across 5 departments
Comments issued: Not recorded for this permit
Put on hold: 3 times

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

Review stop	Arrived	Finished	Result
Apartment and hotel inspection Building Inspection · HIS	Dec 4, 2018	Dec 4, 2018	—
Central Permit Bureau Building Inspection · CPB	Dec 4, 2018	Dec 4, 2018	—
Zoning review Planning · CP-ZOC	Dec 4, 2018	Jan 21, 2020	—
Fire prevention review Fire Department · SFFD	Dec 4, 2018	Jan 13, 2020	—
Building plan review Building Inspection · BLDG	Dec 4, 2018	Dec 27, 2019	—
Street use and mapping Public Works · DPW-BSM	Dec 14, 2018	Dec 30, 2019	—
Public health review Public Health · HEALTH	Jan 21, 2020	Jan 22, 2020	—
Fire prevention review Fire Department · SFFD	Jan 23, 2020	Jan 27, 2020	—
Permit Processing Center Building Inspection · PPC	Jan 28, 2020	Jan 28, 2020	—
Central Permit Bureau Building Inspection · CPB	Jan 28, 2020	Feb 23, 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: Additions alterations or repairs
Status: Complete
Estimated cost: $37,000,000

People named on this permit

Only people we matched to a California license are listed.

Name	Role	License on permit
Ronald Owen Hamburger	Engineer	2951

Sources

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

Permit 201812047402 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