Cal. Civ. Code § 1952.3
California Civil Code
Operative Text
(a) Except as provided in subdivisions (b) and (c), if the lessor brings an unlawful detainer proceeding and possession of the property is no longer in issue because possession of the property has been delivered to the lessor before trial or, if there is no trial, before judgment is entered, the case becomes an ordinary civil action in which: (1) The lessor may obtain any relief to which he is entitled, including, where applicable, relief authorized by Section 1951.2; but, if the lessor seeks to recover damages described in paragraph (3) of subdivision (a) of Section 1951.2 or any other damages not recoverable in the unlawful detainer proceeding, the lessor shall first amend the complaint pursuant to Section 472 or 473 of the Code of Civil Procedure so that possession of the property is no longer in issue and to state a claim for such damages and shall serve a copy of the amended complaint on the defendant in the same manner as a copy of a summons and original complaint is served. (2) The defendant may, by appropriate pleadings or amendments to pleadings, seek any affirmative relief, and assert all defenses, to which he is entitled, whether or not the lessor has amended the complaint; but subdivision (a) of Section 426.30 of the Code of Civil Procedure does not apply unless, after delivering possession of the property to the lessor, the defendant (i) files a cross-complaint or (ii) files an answer or an amended answer in response to an amended complaint filed pursuant to paragraph (1). (b) The defendant’s time to respond to a complaint for unlawful detainer is not affected by the delivery of possession of the property to the lessor; but, if the complaint is amended as provided in paragraph (1) of subdivision (a), the defendant has the same time to respond to the amended complaint as in an ordinary civil action. (c) The case shall proceed as an unlawful detainer proceeding if the defendant’s default (1) has been entered on the unlawful detainer complaint and (2) has not been opened by an amendment of the complaint or otherwise set aside. (d) Nothing in this section affects the pleadings that may be filed, relief that may be sought, or defenses that may be asserted in an unlawful detainer proceeding that has not become an ordinary civil action as provided in subdivision (a).
Under Cal. Civ. Code § 1952.3, when a tenant vacates and returns possession of a rental property before an unlawful detainer case goes to trial or reaches judgment, the lawsuit automatically converts from a summary eviction proceeding into an ordinary civil action. In that converted action, both the landlord and tenant gain access to the fuller range of claims, defenses, and remedies available in standard civil litigation. The case stays on the unlawful detainer track only if the tenant's default was already entered and has not been disturbed.
Plain English — not legal advice.
When a tenant surrenders possession before trial under Cal. Civ. Code § 1952.3, landlords who wish to pursue damages beyond those recoverable in a standard unlawful detainer—such as future-rent losses under Section 1951.2—generally amend their complaint to remove the possession issue and add those damage claims, then serve the amended complaint on the tenant as they would a new summons. Compliant operators track whether a default has already been entered, since that determines whether the case remains an unlawful detainer or converts to an ordinary civil action.
General guidance for property managers — not legal advice for your specific situation. Consult an attorney for advice on your case.
Cal. Civ. Code § 1952.3 preserves a tenant's right to raise affirmative defenses and seek affirmative relief once possession has been returned and the case converts to an ordinary civil action, even if the landlord has not yet amended the complaint. Tenants should be aware that responding to an amended complaint or filing a cross-complaint can trigger compulsory cross-claim rules, so understanding the procedural posture of the case matters. Tenant-rights organizations or a housing attorney can help clarify what defenses and claims may be available under this provision.
General guidance for tenants — not legal advice for your specific situation. Consult a tenant-rights organization or attorney for advice on your case.
Generated September 10, 2026 — auto-generated, not yet human-reviewed. See /transparency for methodology.
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