Native Plants: Costa Mesa vs Newport Beach
How do native plants rules compare between Costa Mesa, CA and Newport Beach, CA?
Costa Mesa has fewer restrictions than Newport Beach.
Costa Mesa, CA
Orange County
Costa Mesa encourages native and drought-tolerant landscaping through compliance with California's Model Water Efficient Landscape Ordinance (MWELO). Rebates for turf replacement are available through Mesa Water District and Metropolitan Water District programs.
View full Costa Mesa rules →Newport Beach, CA
Orange County
Newport Beach encourages drought-tolerant and native plant landscaping through its Water Efficient Landscape Ordinance. New construction and major renovations with 500 square feet or more of landscaping must comply with water-efficient design standards that favor California native and climate-appropriate species.
View full Newport Beach rules →Key Facts Comparison
| Fact | Costa Mesa | Newport Beach |
|---|---|---|
| State Requirement | MWELO for projects 500+ sq ft | - |
| Turf Rebates | Mesa Water District programs | Available through water districts |
| HOA Restrictions | Limited by Civil Code §4735 | - |
| Climate Zone | Mediterranean — native species ideal | - |
| Plan Review | Development Services (714) 754-5245 | - |
| MWELO Threshold | - | 500+ sq ft of new landscaping |
| Water Budget | - | Maximum Applied Water Allowance required |
| Correction Period | - | 60 days from notice |
Highlighted rows indicate differences between cities.
Costa Mesa FAQ
Can I replace my lawn with native plants in Costa Mesa?
Yes, and it is encouraged. Turf removal rebates are available through Mesa Water District and Metropolitan Water District programs.
Can my HOA block drought-tolerant landscaping in Costa Mesa?
No. California Civil Code Section 4735 prevents HOAs from unreasonably restricting water-efficient and drought-tolerant landscaping.
What native plants work well in Costa Mesa?
California sagebrush, buckwheat, manzanita, toyon, and native grasses are well-adapted to Costa Mesa's Mediterranean climate and low water requirements.
Newport Beach FAQ
Does Newport Beach require native plants in landscaping?
Native plants are not strictly required but are strongly encouraged. The Water Efficient Landscape Ordinance incentivizes native and drought-tolerant species by allowing more favorable water budget calculations for these plants.
Can I replace my lawn with native plants?
Yes. Newport Beach encourages turf conversion to water-efficient landscaping. Contact your water district about turf replacement rebates, which can offset the cost of installing native and drought-tolerant plantings.
Do I need a landscape plan for a home remodel?
If your project involves 500 square feet or more of new or rehabilitated landscaping, you must submit a water-efficient landscape plan with your building permit application for review by the Planning Division.
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