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447 Hayes St

San Francisco permit 201711164195 · Hayes Valley

Addition (type unconfirmed)Full plan reviewCancelled
Street view · Jun 2025
Google Street View of 447 Hayes St, Jun 2025
Scope of work
As written on the permit application.

Construct the proposed 461 sf roof deck, interior spiral stair & stair penhouse addition, no bathroom, to an existing two story building.

Timeline
Key dates from the city record.
Filed
Nov 16, 2017
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
4 stops across 2 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 stopFinishedResult

Central Permit Bureau

Building Inspection · CPB

Nov 17, 2017—

Zoning review

Planning · CP-ZOC

Apr 5, 2018—

Permit Processing Center

Building Inspection · PPC

Jan 16, 2019—

Central Permit Bureau

Building Inspection · CPB

Jan 16, 2019—

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
Cancelled
Estimated cost
$45,000
People named on this permit
Only people we matched to a California license are listed.
NameRoleLicense on permit
Daniel PiechotaArchitectC22712
Sources
Everything on this page comes from public records. Check them yourself.
Permit 201711164195 on the city's permit tracking site

San Francisco Department of Building Inspection, the official record