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General ConstructionLone Mountain/USFPermit issued

ADU Addition and Remodel at 139 Blake St, Lone Mountain/USF

139 Blake St, Lone Mountain/USF, 94118

Winston

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Reported project cost

$200,932

As declared on the permit filing. Additions & Alterations · 2 Family Dwelling.

Issued
September 3, 2026
Expires
—
License
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What was permitted

Homeowners in the Lone Mountain/USF neighborhood can investigate the costs associated with adding an Accessory Dwelling Unit (ADU) and undertaking renovations at 139 Blake St. This project includes adding a bedroom for the ADU on the second floor and creating a full bath, den, and great room in the basement.

The estimated project cost is $200,932, with the permit issued on September 3, 2026. J P E Construction is listed as the contractor for this addition and alteration.

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View the official permit record

Tracking number, work description, cost and dates

Tracking number202410314102
Work permit #—
Job filing number—
Work typeAdditions & Alterations · 2 Family Dwelling
Statusissued
Job descriptionadd 1 adu per state law. 2/f: add bedroom for adu. basement: add 1 full bath, den & great room. remodel bathroom
Floor / unit—
Estimated cost$200,932
ApprovedSeptember 3, 2026
IssuedSeptember 3, 2026
Expires—
BBL—
BIN—

Related searches

ADU additionhome renovationLone Mountain/USFSan Franciscoadditions & alterations$200,932