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General ConstructionNoe ValleyPermit issued

Home Addition at 3720 23rd St, San Francisco

3720 23rd St, Noe Valley, 94114

Winston

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Reported project cost

$173,415

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

Issued
November 4, 2026
Expires
—
License
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What was permitted

This permit is for significant alterations to a single-family dwelling located at 3720 23rd Street in San Francisco's Noe Valley neighborhood. The project aims to add conditioned living space to the existing basement, creating two new bedrooms and a bathroom.

Issued on November 4, 2026, the estimated cost for this home expansion is $173,415. The work also includes the addition of a media room, building upon a previous permit reference number 202106091991.

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View the official permit record

Tracking number, work description, cost and dates

Tracking number202606233710
Work permit #—
Job filing number—
Work typeAlterations · 1 Family Dwelling
Statusissued
Job descriptionadd conditioned space to (e) basement, add two bedroom, bath and media room. ref#: 202106091991.
Floor / unit—
Estimated cost$173,415
ApprovedNovember 4, 2026
IssuedNovember 4, 2026
Expires—
BBL—
BIN—

Related searches

home additionbasement renovationNoe ValleySan Francisco1 family dwelling$173,415