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General ConstructionNoe ValleyPermit issued

Second Floor Addition at 4157 23rd St, San Francisco

4157 23rd St, Noe Valley, 94114

Winston

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Reported project cost

$8,000

As declared on the permit filing. Alterations · 1 Family Dwelling.

Issued
September 14, 2026
Expires
—
License
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What was permitted

This permit details a revision for a single-family dwelling in the Noe Valley neighborhood of San Francisco. The work involves adding a foundation to the second floor walls, indicating an expansion or structural reinforcement of the existing second story.

Issued on September 14, 2026, this project had an estimated cost of $8,000. The contractor responsible for this alteration was Paul Wang.

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View the official permit record

Tracking number, work description, cost and dates

Tracking number202601304972
Work permit #—
Job filing number—
Work typeAlterations · 1 Family Dwelling
Statusissued
Job descriptionrev to pa# 2025-0731-2097: 2nd fl. add foundtion to 2nd fl. walls
Floor / unit—
Estimated cost$8,000
ApprovedSeptember 14, 2026
IssuedSeptember 14, 2026
Expires—
BBL—
BIN—

Related searches

second floor additionfoundation work1 family dwellingNoe ValleySan Francisco$8,000 project cost