240 Darien Wy

San Francisco permit 202305087291 · West of Twin Peaks

Revision or supplementOver-the-counter, with plansComplete

This permit revises or supplements an earlier permit, so it is not counted in permit totals or timing.

Street view · Apr 2011

Google Street View of 240 Darien Wy, Apr 2011

Scope of work

As written on the permit application.

Revision to permit 202302031386. add retaining wall per plan. replace garage slab. replace sheetrock on 2/f. remove powder room on 2/f. add a bar sink at family room. add a window in bathroom on 2/f.

Timeline

Key dates from the city record.

Filed: May 8, 2023
Issued: Jul 18, 2023 (2 months after filing)
Completed: Aug 9, 2024 (13 months after issuance)

City plan review

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

Review stops: 10 stops across 3 departments
Comments issued: Not recorded for this permit

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
Building inspector Building Inspection · BID-INSP	May 8, 2023	May 8, 2023	—
Intake Building Inspection · INTAKE	May 8, 2023	May 8, 2023	—
Zoning review Planning · CP-ZOC	May 10, 2023	May 10, 2023	—
Intake Building Inspection · INTAKE	Jun 6, 2023	Jun 6, 2023	—
Zoning review Planning · CP-ZOC	Jun 6, 2023	Jun 6, 2023	—
Building plan review Building Inspection · BLDG	Jun 13, 2023	Jun 13, 2023	—
Structural plan approval Building Inspection · PAD-STR	Jun 13, 2023	Jun 13, 2023	—
Mechanical and energy plan review Building Inspection · MECH	Jun 14, 2023	Jun 14, 2023	—
Public Utilities Commission review Public Utilities · SFPUC	Jun 14, 2023	Jun 14, 2023	—
Central Permit Bureau Building Inspection · CPB	Jul 18, 2023	Jul 18, 2023	—

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: $10,000

People named on this permit

Only people we matched to a California license are listed.

Name	Role	License on permit
Yanxian Chen	Engineer	C94212

Sources

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

Permit 202305087291 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 Apr 2011