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Accessory Dwelling UnitWest San JosePermit issued

Detached ADU at 1146 Happy Valley Av, San Jose

1146 HAPPY VALLEY AV, West San Jose, 95129

Winston

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Reported project cost

$94,997

As declared on the permit filing. New Construction · ADU Accessory Dwelling Unit.

Issued
September 24, 2026
Expires
—
License
—

What was permitted

For residents in San Jose's West San Jose area, this permit highlights the construction of a detached Accessory Dwelling Unit (ADU). This project, designated as HCD (BEPM100%), represents a significant new construction for a residential property.

Issued on September 24, 2026, with an estimated cost of $94,997, this permit provides a clear financial benchmark for building a new ADU. This information is crucial for homeowners planning similar developments.

Plan a similar project

Want work like this done at your place?

Tell us what you have in mind. We scope it, price it against work like this in West San Jose, and lines up the right contractor. You approve; we handle the back-and-forth.

View the official permit record

Tracking number, work description, cost and dates

Tracking number2026-107383-RS
Work permit #—
Job filing number—
Work typeNew Construction · ADU Accessory Dwelling Unit
StatusIssued
Job descriptionHCD (BEPM100%) DETACHED ADU
Floor / unit—
Estimated cost$94,997
Approved—
IssuedSeptember 24, 2026
Expires—
BBL—
BIN—

Property owner

Murthy David And Pak Jenny Jee Yunn

Related searches

ADUWest San JoseSan Josedetached ADUnew construction$94,997