ADU Rules in Agoura Hills.
Local ADU regulations, permit fees, setback requirements, and typical timelines for Agoura Hills. Last updated 2026-05-27.
Agoura Hills ADU Requirements
Attached ADU: up to 25 ft
Agoura Hills has limited transit; replacement parking typically required.
Design 4 weeks · Permit 6 weeks · Build 36 weeks
Plain-language summary
In Agoura Hills, a detached ADU requires a minimum 4-foot side setback and 4-foot rear setback. The maximum height for a detached ADU is 16 feet, while an attached ADU may be up to 25 feet. The maximum size for a detached ADU is 1,200 sq ft; a Junior ADU (JADU) is limited to 500 sq ft. Replacement parking is required for most projects. Typical permit fees range from $7,000 to $14,000. A typical project takes approximately ~11 months from design start to move-in, including 4 weeks of design, 6 weeks for permit review, and 36 weeks of construction.
⚠️ ADU rules change frequently. Always verify current requirements with the Agoura Hills Building & Safety Department before submitting plans. Official source →
What to Watch Out For
- Las Virgenes Municipal Water District (LVMD) serves the area; water connection fees apply.
- HOAs are prevalent throughout Agoura Hills — CC&R review is essential before design.
- VHFHSZ designation applies to hillside and canyon-adjacent areas.
- Oak tree preservation ordinance: removal of protected oaks requires a permit and replacement planting.
How Long Does It Take to Get an ADU Permit in Agoura Hills?
Site study, floor plans, elevations, structural drawings.
Plan check, corrections, and permit issuance by Agoura Hills Building & Safety.
Foundation, framing, MEP rough-in, finishes, final inspection.
A licensed engineer on your lot, free.
30 minutes. We walk the property, figure out what's feasible, and answer any questions you have.
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