900 Clayton St

San Francisco permit 202604018710 · Haight Ashbury

AdditionOver-the-counter, with plansIssued

Street view · Feb 2025

Google Street View of 900 Clayton St, Feb 2025

Scope of work

As written on the permit application.

Remodel to include 153 sf addition at floor 3 with flat service platform above and 61 sf addition at level 1 garage. all within (e) footprint. (n) windows at level 3 at rear facade and lightwell, replace (1) door at level 2 rear, 2 window sashs at level 3 front , 1 skylight and bathroom remodel, (n)

Timeline

Key dates from the city record.

Filed: Apr 1, 2026
Issued: Apr 15, 2026 (within 1 month of filing)
Completed: Not completed yet

For comparison, San Francisco permits with the same review (over-the-counter, with plans) filed in 2026 were typically issued within 1 month (median of 3,682 issued permits).

City plan review

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

Review stops: 8 stops across 4 departments
Comments issued: None

Review stop	Arrived	Finished	Result
Intake Building Inspection · INTAKE	Apr 1, 2026	Apr 1, 2026	Administrative
Zoning review Planning · CP-ZOC	Apr 1, 2026	Apr 1, 2026	Approved
Zoning review Planning · CP-ZOC	Apr 15, 2026	Apr 15, 2026	Approved
Building plan review Building Inspection · BLDG	Apr 15, 2026	Apr 15, 2026	Approved
Mechanical and energy plan review Building Inspection · MECH	Apr 15, 2026	Apr 15, 2026	Approved
Fire prevention review Fire Department · SFFD	Apr 15, 2026	Apr 15, 2026	Approved
Public Utilities Commission review Public Utilities · SFPUC	Apr 15, 2026	Apr 15, 2026	Approved
Central Permit Bureau Building Inspection · CPB	Apr 15, 2026	Apr 15, 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: Issued
Estimated cost: $250,000

People named on this permit

Only people we matched to a California license are listed.

Name	Role	License on permit
Jason Park Langkammerer At6 Architecture Design	Architect	C28796
Nate Williams	Engineer	C62068

Sources

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

Permit 202604018710 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 Feb 2025