Skip to main content
CityRuleLookup
🌿 Landscaping Rules/Composting

Composting: Costa Mesa vs Irvine

How do composting rules compare between Costa Mesa, CA and Irvine, CA?

Costa Mesa and Irvine have similar restriction levels.

Costa Mesa, CA

Orange County

Few Restrictions

Backyard composting is permitted and encouraged in unincorporated Orange County. California SB 1383 requires organic waste diversion statewide. OC Waste & Recycling provides composting resources and sells compost at regional landfills.

View full Costa Mesa rules β†’

Irvine, CA

Orange County

Few Restrictions

Backyard composting is permitted in Irvine. SB 1383 requires organic waste diversion. Irvine provides organics collection through Waste Management.

View full Irvine rules β†’

Key Facts Comparison

FactCosta MesaIrvine
CompostingPermitted and encouragedPermitted
SB 1383Organic waste diversion requiredOrganic diversion required
Best PracticeEnclosed bins recommended-
ResourcesFree workshops, subsidized bins-
OC Waste(714) 834-4000-
Waste Hauler-Waste Management
HOA-May regulate bin placement

Highlighted rows indicate differences between cities.

Costa Mesa FAQ

Can I compost in unincorporated Orange County?

Yes. Backyard composting is permitted and encouraged. OC Waste & Recycling offers free workshops and subsidized bins. Contact (714) 834-4000.

What can I compost?

Yard trimmings, fruit and vegetable scraps, coffee grounds, eggshells, and paper products. Avoid meat, dairy, and oily foods to minimize pests.

Is composting required by law?

SB 1383 requires jurisdictions to divert organic waste. While home composting is not mandatory, it helps meet diversion goals and the county encourages participation.

Irvine FAQ

Can I compost in Irvine?

Yes. Check your HOA for bin placement rules.

What about food waste?

SB 1383 requires separation. Use the green bin or compost at home.

Does my HOA affect composting?

HOAs may regulate where bins are placed but cannot prohibit composting.

Want to add a third city?

Use our full comparison tool to compare up to three cities.

Open Comparison Tool