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Napa, CA Landscaping Rules: Composting (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Curbside Service
Napa Recycling and Waste Services
Cart Accepts
All food scraps + yard waste + branches under 6 in
State Law
SB 1383 (PRC §42652+; 14 CCR §18981+)
Composting Standards
14 CCR §17855 et seq.
Open Burning
Prohibited under BAAQMD Reg. 5
Backyard Bin Permit
Not required

Summary

Backyard composting in the City of Napa is permitted and encouraged. Curbside collection of organic waste is mandatory under California SB 1383 (Public Resources Code §42652 et seq.) and provided by Napa Recycling and Waste Services. The brown compost cart accepts all food scraps (including meat, bones, dairy), soiled paper, yard waste, garden prunings, and wood branches up to six inches in diameter. SB 1383 requires periodic route reviews and contamination follow-up. Free home compost-bin workshops and discounted bins are offered through the Napa Recycling and Composting Facility.

The California Integrated Waste Management Act of 1989, which is administered by the Department of Resources Recycling and Recovery, establishes an integrated waste management program that requires each county and city and county to prepare and submit to the department a countywide integrated waste management plan. The bill would require the department, in consultation with the state board, to adopt regulations that achieve the specified targets for reducing organic waste in landfills.

Full Breakdown

com/) under a franchise agreement with the City of Napa, with regional processing at the Napa Recycling and Composting Facility. ) requires every California jurisdiction to provide organic-waste collection to all residents and businesses and to reduce statewide landfill disposal of organics 75% below 2014 levels by 2025 and recover at least 20% of surplus edible food. Single-family homes in Napa are automatically provided curbside compost and recycling carts. The brown (or green) compost cart accepts all food scraps including meat, bones, dairy, bread, fruits, and vegetables, plus soiled paper, paper cups, paper plates, paper towels, paper napkins, coffee grounds and filters, tea bags, grass clippings, leaves, brush, garden prunings, flowers, wreaths, pumpkins, manure, animal bedding, and wood branches six inches in diameter or smaller.

SB 1383 implementing regulations require periodic route reviews ('flip-the-lid' visual inspections) of customer carts to verify proper separation; staff issue education first, then follow-up notices for chronic contamination. Backyard composting is encouraged and does not require a Napa permit. (composting standards). California Health and Safety Code §17896 (open-burning) and Bay Area Air Quality Management District Regulation 5 prohibit residential open burning of yard waste in Napa County.

Violations & Fines

Improper composting that creates documented vermin, odor, or runoff nuisance is enforceable under the Weed and Rubbish Abatement chapter with the Fire Prevention Bureau's standard notice-and-cure procedure and cost recovery. Persistent SB 1383 contamination - placing prohibited materials in the wrong cart - triggers Napa Recycling education and follow-up visits, with the franchisee authorized under CalRecycle SB 1383 enforcement to escalate to administrative citation under Public Resources Code §42652.5 and 14 CCR §18995. Residential open burning of yard waste violates BAAQMD Regulation 5 and is subject to BAAQMD civil penalties. Multi-family and commercial generators face separate CalRecycle compliance requirements.

Frequently Asked Questions

Can I compost in my Napa, CA backyard?
Yes. The City of Napa and Napa Recycling encourage backyard composting and do not require a permit for a residential compost bin. Best practice: locate the bin 5 to 10 feet from property lines, use a rodent-resistant design, balance browns and greens, and avoid meat, dairy, oils, and pet waste in backyard piles (curbside carts accept meat and dairy). Discounted bins and workshops are available through the Napa Recycling and Composting Facility.
Does Napa, CA require curbside organics separation?
Yes. California SB 1383 (Public Resources Code §42652 et seq.; 14 CCR §18981 et seq.) requires every household and business to separate organic waste from trash and recycling. Single-family homes are automatically provided a compost cart by Napa Recycling and Waste Services. The cart accepts all food scraps, soiled paper, yard waste, and branches up to six inches in diameter. Periodic route reviews check for proper separation.
Can I burn yard waste in Napa, CA?
No. Residential open burning of yard waste is prohibited under Bay Area Air Quality Management District Regulation 5 and California Health and Safety Code §17896. Use the curbside compost cart or haul yard waste to the Napa Recycling and Composting Facility. CAL FIRE may issue narrow burn permits for agricultural debris in qualifying State Responsibility Areas, but city residential parcels are not eligible.

Sources & Official References

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