Planning staff lists ADU thresholds: lot size, height and parking rules

Aug 11, 2026

Commission staff told applicants that detached ADUs require at least 9,900 sq ft, internal ADUs 6,000 sq ft, a 1,200‑sq‑ft ADU cap may apply, and that construction must comply with residential and ADU codes including height limits and parking requirements.

The full story

Planning staff reviewed the jurisdiction’s practical thresholds and code considerations for accessory dwelling units, telling applicants and commissioners the rules depend on the ADU type. The staff/Chair said a detached ADU typically requires a lot of at least 9,900 square feet while an internal ADU has a 6,000‑square‑foot threshold; the Chair also referenced a 1,200‑square‑foot maximum for ADUs discussed in the meeting.

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