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General ConstructionAlum RockPermit issued

Rafter Conversion at 3410 Joanne Ave, San Jose

3410 JOANNE AV, Alum Rock, 95127

Winston

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Reported project cost

$13,722

As declared on the permit filing. Additions/Alterations · Single-Family.

Issued
August 13, 2026
Expires
—
License
—

What was permitted

Homeowners in the Alum Rock neighborhood can see a recent permit for building work involving a rafter conversion. This type of project typically involves modifying the attic space of a single-family home to create usable living area or improve structural integrity.

This permit was issued on August 13, 2026, and is currently active. The estimated project cost for this rafter conversion is $13,722. The contractor information is not specified.

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View the official permit record

Tracking number, work description, cost and dates

Tracking number2026-113052-RS
Work permit #—
Job filing number—
Work typeAdditions/Alterations · Single-Family
StatusActive
Job descriptionBuilding work: RAFTER CONVERSION
Floor / unit—
Estimated cost$13,722
Approved—
IssuedAugust 13, 2026
Expires—
BBL—
BIN—

Property owner

Siu Cindy Sok And Wong Nathan T

Related searches

rafter conversionAlum RockSan JoseAdditions/Alterationssingle-family home$10k-$20k cost