Tag

#Costa Mesa

2 articles tagged “Costa Mesa” across Coastal Insights.

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ADUs

SB 9 Lot Splits in Coastal California

SB 9's ministerial lot-split pathway is suspended inside the Coastal Zone, but discretionary splits remain viable under Local Coastal Programs, if you know the timeline and the LCP rules.

Paul Johnston Apr 22, 2026 11 min
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Trends

A Decade of Costa Mesa ADU Entitlement

Costa Mesa's ADU entitlement landscape transformed dramatically over the past decade. We trace the regulatory milestones that turned backyard cottages from planning nightmares into streamlined rental assets.

Paul Johnston Mar 27, 2026 12 min