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Ventura County, CA Building Setbacks & Zoning: Lot Coverage Limits (2026)

Some Restrictions

Verified 1 month ago|Source: Ventura County Zoning Ordinance §8106-1.4 →

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Key Facts

Area Plans: 8 communities with specific limits
ADU Exemption: ADUs exempt from coverage limits
Existing Communities: §8106-1.4.1.2 standards
Coverage Includes: All roofed structures

City-specific rules exist: Port Hueneme, Oxnard, Thousand Oaks, Fillmore, and Camarillo have their own lot coverage limits rules that differ from Ventura County's county-level regulations. If you live in one of those cities, check the city-specific page instead.

Summary

Maximum lot coverage in unincorporated Ventura County varies by zone and area plan under §8106-1.4. Area plans for communities like El Rio, Lake Sherwood, Oak Park, Ojai Valley, Piru, and Thousand Oaks establish specific coverage limits and exceptions.

Full Breakdown

Section 8106-1.4 establishes lot coverage standards. Maximum coverage varies by zone and whether the lot is subject to an area plan. Area plan-specific standards exist for El Rio/Del Norte (§8106-1.4.1.1.1), Lake Sherwood/Hidden Valley (§8106-1.4.1.1.2), North Ventura Avenue (§8106-1.4.1.1.3), Oak Park (§8106-1.4.1.1.4), Ojai Valley (§8106-1.4.1.1.5), Piru (§8106-1.4.1.1.6), Thousand Oaks (§8106-1.4.1.1.7), and Saticoy (§8106-1.4.1.1.8). Lots within existing community boundaries follow §8106-1.4.1.2. ADUs are exempt from lot coverage maximums under state law.

Violations & Fines

Exceeding lot coverage without a variance is a zoning violation. Building permits will be denied for non-compliant plans. Contact Planning at (805) 654-2488 for your lot's specific coverage limit.

Frequently Asked Questions

What is the lot coverage limit for my property?

It depends on your zone and whether you're in an area plan or existing community. Eight area plans (El Rio, Lake Sherwood, Oak Park, Ojai Valley, Piru, Thousand Oaks, Saticoy, N. Ventura Ave) have specific limits.

Do ADUs count toward lot coverage?

No. Under state law, ADUs are exempt from lot coverage maximums, floor area ratio limits, and open space requirements.

How do I find my coverage limit?

Contact Planning at (805) 654-2488 with your address or APN. They can identify your zone, area plan, and applicable lot coverage standard.

How does Ventura County compare?

See how Ventura County's lot coverage limits rules stack up against other locations.

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Ventura County, CA Building Setbacks & Zoning: Lot Coverage Limits (2026)

Key Facts

Summary

Full Breakdown

Violations & Fines

Frequently Asked Questions

Sources & Official References

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