Proposed ADU rules, 40% R‑1 lot coverage and 8‑foot rear fences would alter R‑1 development

Apr 30, 2026

The April 30 hearing presented a new ADU section for R‑1, raised allowable lot coverage from 30% to 40% in R‑1, and increased rear‑yard fence limits from 6 to 8 feet. Supporters said the changes would make ADUs and mixed uses feasible for property owners.

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The proposed amendments would add a new Section 18.35.070 to allow accessory dwelling units (ADUs) in R‑1 residential zones and change Section 18.35.050E to increase maximum lot coverage in R‑1 from 30% to 40%. The hearing officer explained ADUs must be self‑contained units on the same parcel as the principal dwelling with their own sleeping, sanitation and kitchen facilities.

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