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GradingChatsworth - Porter RanchPermit issued

Grading for ADU Septic System in Chatsworth - Porter Ranch

8451 N ETON AVE, Chatsworth - Porter Ranch, 91304

Winston

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Reported project cost

Not reported

The filer did not disclose a cost on this permit. Grading.

Issued
July 31, 2026
Expires
—
License
1 or 2 Family Dwelling

What was permitted

In the Chatsworth - Porter Ranch neighborhood, grading work is being performed to install a Tier 1 Onsite Wastewater Treatment System (OWTS) for a new 3-bedroom Accessory Dwelling Unit (ADU). This includes a 1,000-gallon septic tank and two leach lines.

This permit has been issued, and the work is being managed by an Owner-Builder. The project cost is not specified in the permit details.

Plan a similar project

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Tell us what you have in mind. We scope it, price it against work like this in Chatsworth - Porter Ranch, 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 number25030-20000-05680
Work permit #—
Job filing number—
Work typeGrading
StatusIssued
Job descriptionPROPOSED TIER 1 OWTS FOR 3 BEDROOM ADU1. 1,000 GAL SEPTIC TANK2. TWO (2) 95' x 3' x 5' DEEP W/ 1.5' ROCK LEACH LINES
Floor / unit—
Estimated costNot reported
ApprovedAugust 27, 2025
IssuedJuly 31, 2026
Expires—
BBL—
BIN—

Related searches

gradingADUseptic systemOWTSChatsworth - Porter RanchLos AngelesOwner-Builder