Corona's R-1 zone limits primary structure lot coverage to approximately 40-50% of total lot area. Hillside parcels face stricter limits based on slope. Impervious surface coverage including driveways and patios is regulated separately under stormwater and landscape ordinances.
Lot coverage in Corona is regulated under Title 17 zoning standards. Standard R-1 single-family parcels are typically capped at 40% coverage by the primary residence and accessory structures combined, with some smaller-lot subdivisions allowing up to 50%. R-2 zones permit 50-60%, while R-3 multi-family permits up to 70%. Hillside areas use a sliding scale where coverage decreases as slope increases beyond 15%, with parcels over 25% slope often limited to 25% coverage to preserve natural terrain. Pools, spas, gazebos, and detached patio covers count toward lot coverage when permanently anchored. Driveways, walkways, and uncovered patios are not counted as lot coverage but contribute to impervious surface limits under MS4 stormwater requirements. Front yards must maintain at least 50% landscaped or pervious area under Corona's water conservation ordinance. Detached ADUs do not count against the existing accessory structure coverage cap if located behind the primary residence. Coverage calculations are reviewed during plan check and verified by Building Division staff.
Specific penalty amounts for this ordinance are not published in a publicly accessible fine schedule. Contact Corona code enforcement directly for current fines, enforcement procedures, and hearing options.
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