Grading in Pasadena is regulated under Title 14 Chapter 14.05 (Excavation, Grading, and Hillside Areas). Grading permits required for earthwork. Hillside areas have enhanced standards to minimize terrain alteration. Drainage plans must be submitted with development applications.
Pasadena regulates grading and drainage through building and engineering codes. Grading permits required for excavation or fill over specified thresholds, typically 50 to 100 cubic yards. Site grading must direct drainage away from structures and not adversely affect neighboring properties. Drainage swales, French drains, and catch basins may be required. Retaining walls over 4 feet need engineering and separate permits. Compaction testing required for structural fill. Final grade must match approved plans. Property owners responsible for maintaining drainage facilities on their land.
Unpermitted grading: stop-work order and fines $250 to $2,500. Redirecting drainage to neighbors: corrective action required. Slope failure from improper grading: liability and remediation costs.
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Side-by-side rule comparisons with other cities in Los Angeles County.
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