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ElectricalSouth of MarketPermit issued

Bathroom Exhaust Fan Upgrades at 21 Columbia Square St, San Francisco

21 Columbia Square St, South of Market, 94103

Winston

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Reported project cost

$23,852

As declared on the permit filing. Alterations · Apartments.

Issued
July 30, 2026
Expires
—
License
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What was permitted

Homeowners in San Francisco's South of Market neighborhood can see the cost of upgrading multiple apartment bathroom exhaust fans. This project involved replacing 13 existing fans with new models featuring whisper-quiet humidity sensors.

This alteration project was issued on July 30, 2026, with an estimated cost of $23,852. Freestone Reconstruction Inc. was the contractor for this work.

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View the official permit record

Tracking number, work description, cost and dates

Tracking number202607305805
Work permit #—
Job filing number—
Work typeAlterations · Apartments
Statusissued
Job descriptionunits 416, 414, 413, 407, 402, 310, 307, 303, 301, 216, 207, 102, 101: replace (13) (e) bathroom exhaust fans w/ whisper sense humidity sensor
Floor / unit—
Estimated cost$23,852
ApprovedJuly 30, 2026
IssuedJuly 30, 2026
Expires—
BBL—
BIN—

Related searches

electricalbathroom exhaust fanapartment alterationsSouth of MarketSan Franciscohumidity sensor$20,000-$30,000