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General ConstructionWest of Twin PeaksPermit issued

ADU Conversion and Structure Repair at 137 Chilton Av West of Twin Peaks

137 Chilton Av, West of Twin Peaks, 94131

Winston

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Reported project cost

$225,000

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

Issued
July 9, 2026
Expires
—
License
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What was permitted

Homeowners in the West of Twin Peaks neighborhood can see the costs associated with converting existing garage space into an Accessory Dwelling Unit (ADU). This project at 137 Chilton Av also includes repairs and replacements to the rear structure and deck, all within the existing building footprint.

This significant alteration project was issued on July 9, 2026, with an estimated cost of $225,000. Daylight Construction is listed as the contractor for this extensive renovation.

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View the official permit record

Tracking number, work description, cost and dates

Tracking number202511038747
Work permit #—
Job filing number—
Work typeAdditions & Alterations · 1 Family Dwelling
Statusissued
Job descriptionconvert 1/f and part of (e) garage to adu. the (e) 2/f will remain separate residential unit. no addition is proposed, all work to be within the footprint of (e) bldg. rear 2/f deck and portions of rear structure will be repaired and replaced inkind as required. new windows at 1/f.
Floor / unit—
Estimated cost$225,000
ApprovedJuly 8, 2026
IssuedJuly 9, 2026
Expires—
BBL—
BIN—

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ADU conversiongarage conversionSan FranciscoWest of Twin PeaksAdditions & Alterationsresidential construction$225,000 project