By Angel Campa, Founder · Updated March 2026
California is among the most tenant-protective commercial leasing jurisdictions in the country. The landmark SB 1103, effective January 2025, introduced the "Qualified Commercial Tenant" framework under Civil Code Section 1950.9, extending residential-style transparency and notice protections to small businesses with fewer than 5 employees (or 10 for restaurants) and nonprofits with fewer than 20 employees.
For general commercial tenancies not covered by the SB 1103 qualifications, California remains relatively balanced but leans tenant-friendly regarding eviction proceedings. Landlords must strictly follow the state's formal Unlawful Detainer process. Commercial self-help evictions and lockouts are expressly illegal and expose landlords to punitive damages and business interruption lawsuits. The complex interplay of local municipal ordinances in major hubs like San Francisco and Los Angeles requires practitioners to look beyond the state Civil Code when structuring or abstracting commercial agreements.
Introduced "Qualified Commercial Tenant" protections, including mandatory notice periods, lease translation requirements, and statutory audit rights for small businesses and nonprofits.
View statute →Governs commercial security deposits, including permissible deductions and return timelines. No statutory cap exists for commercial deposits.
View statute →Requires lease translation into the language in which negotiations were conducted (Spanish, Chinese, Tagalog, Vietnamese, or Korean) for qualified tenants.
View statute →| Type | Period | Details |
|---|---|---|
| Lease Termination (Qualified Tenant, under 1 year) | 30 days | A 30-day notice is required for terminating a qualified commercial tenant occupying the space for less than one year. |
| Lease Termination (Qualified Tenant, over 1 year) | 60 days | A mandatory extended notice period for qualified tenants occupying the space for over one year, regardless of contract terms. |
| Rent Increase over 10% (Qualified Tenant) | 90 days | Requires 90 days of formal notice for any month-to-month rent increases exceeding 10% of the previous year's rent. |
Statutory rights introduced for Qualified Tenants; otherwise strictly governed by negotiated lease terms.
Historically, commercial CAM audit rights in California were strictly contractual. Under Civil Code Section 1950.9 (SB 1103), landlords are now required to proactively notify Qualified Commercial Tenants of their right to inspect OPEX documentation prior to lease execution. These tenants possess an automatic, non-waivable statutory right to audit upon 30 days of prior written notice, and landlord noncompliance serves as a powerful affirmative defense to any eviction action. For larger, non-qualified corporate tenants, common law and explicit lease terms still dictate audit boundaries.
Disclaimer: This page provides general information about commercial landlord-tenant law in California. It is not legal advice. Laws change frequently and local ordinances may impose additional requirements. Consult a licensed attorney in California for guidance specific to your situation.
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