Understanding Partition Actions in California: Process, Key Steps, and Legal Protections

March 21, 2025
Steven McLellan & Claire Melehani

Understanding Partition Actions in California: Process, Key Steps, and Legal Protections

Steven McLellan

california partion action

When it comes to co-owning property in California, conflicts can sometimes arise. If you’re in a situation where two or more parties own real estate and can’t agree on how to manage it—whether to sell, rent, or renovate—you may need to consider a partition action. Below, we outline how partition lawsuits work, the essential steps involved, and the legal protections California law provides to co-owners. By the end of this article, you’ll have a clearer view of how to navigate this potentially complex process.


What Is a Partition Action?

A partition action is a legal process that allows co-owners (cotenants) of a property to divide or sell it when they cannot agree on its use or management. These disputes commonly arise in situations where parents pass real estate to multiple children, or where business partners co-own an investment property. Under California Code of Civil Procedure (CCP) § 872.010 et seq., any co-owner has the right to file a partition lawsuit to end joint ownership.

Two Main Approaches to Partition

  1. Partition in Kind
    The property is physically divided into separate parcels, and each co-owner receives a distinct portion.
  2. Partition by Sale
    The entire property is sold, and net proceeds are distributed among co-owners based on their ownership percentages (minus offsets for expenses like taxes or repairs).

Key Steps in a California Partition Lawsuit

  1. Filing the Complaint
    One co-owner (the plaintiff) initiates the process by filing a partition complaint in the Superior Court. The complaint identifies the property, the parties involved, and whether partition in kind or by sale is preferred.

  2. Serving Legal Notice
    All co-owners (the defendants) must be served with a summons and complaint. This gives them a chance to respond or contest the proposed partition, ownership shares, or any expenses that need to be accounted for.

  3. Determining Ownership Interests
    The court examines each co-owner’s stake in the property, including any mortgages, liens, or financial contributions. This step ensures fair allocation of subdivided parcels or sale proceeds.

  4. Referee Appointment
    A neutral
    referee (also called a partition commissioner) may be appointed to conduct appraisals, suggest the fair market value, and recommend how to split or sell the property.

  5. Partition in Kind vs. Partition by Sale
  • Partition in Kind: If it’s both equitable and feasible to divide the real estate physically, the court may follow the referee’s recommendations and allocate distinct parcels.
  • Partition by Sale: If splitting the property reduces its value or is not practical, the court orders a sale. Net proceeds are then distributed based on each co-owner’s percentage share.

  1. Final Judgment
    After considering any reports or objections, the court issues a final judgment. If a sale is ordered, the property is sold, and proceeds are divided accordingly.


The Partition of Real Property Act in California

California’s Partition of Real Property Act (Code Civ. Proc., § 874.311, subd. (c) provides detailed guidelines especially relevant in inherited or family-owned real estate scenarios.

When Does This Act Apply?

Under Code of Civil Procedure § 874.311(b) & (c), two conditions must be met:

  1. The property is “held in tenancy in common [and] there is no agreement in a record binding all the cotenants which governs the partition of the property.”
  2. The partition case was filed on or after January 1, 2023.

When these conditions apply, the court is required to:

  • Determine the fair market value of the property (often via a court-ordered appraisal) before deciding whether partition is warranted (Code Civ. Proc., § 874.316).
  • Notify all parties of this appraised value.
  • Offer co-owners opposed to a sale the option to buy out those wishing to sell (Code Civ. Proc., § 874.317).
  • Proceed with either partition in kind or partition by sale only if no buyout is completed (Code Civ. Proc., § 874.318).

Because the law uses the term “shall,” these steps are mandatory, aiming to protect co-owners from an unjust forced sale.


Common Challenges in Partition Lawsuits

  1. Ownership Disputes
    Co-owners may disagree on their percentage of ownership if one feels they’ve contributed more financially or through labor (e.g., property improvements).

  2. Liens & Encumbrances
    Mortgages, tax liens, or judgments complicate how sale proceeds are allocated. Creditors and lienholders often need formal notice.

  3. Accounting & Reimbursements
    Co-owners can claim reimbursement for out-of-pocket expenses like property taxes or maintenance. Without clear records, resolving these claims can be time-consuming.

  4. Emotional Ties
    When family members or close friends are involved, disagreements can intensify, making cooperative solutions more difficult. The emotional weight can prolong litigation.

Practical Tips for Navigating a Partition Action

  1. Gather Documentation Early
    Collect deeds, tax records, and any written agreements or correspondence among co-owners. Comprehensive documentation streamlines the legal process and clarifies each party’s contributions.

  2. Obtain Legal Counsel
    Consulting a
    California real estate attorney who specializes in partition actions is crucial. They’ll help you interpret the relevant statutes, file the necessary paperwork, and advocate for your interests.

  3. Consider Mediation or Settlement
    Negotiating outside of court—perhaps via mediation—can save significant time and money, especially in emotionally charged family disputes. Agreeing on property valuation or repair costs may reduce litigation.

  4. Leverage the Buyout Option
    If the Partition of Real Property Act applies, co-owners can potentially buy out those who wish to sell. This often prevents a forced sale and helps preserve the property for those who value it most.

  5. Maintain Clear Communication
    Keeping lines of communication open among co-owners can lessen misunderstandings. Even if negotiations fail, mutual respect can foster a faster resolution.

Final Thoughts

Partition actions are a powerful legal tool for resolving property co-ownership conflicts, but they can be complex and emotionally charged, especially when family or longtime friends share ownership. By understanding the step-by-step process outlined in California law—including the requirements of the Partition of Real Property Act and mandatory fair market valuation—you’ll be better prepared to protect your rights and interests.

Real Estate Litigation Consultations for Californians

At McLellan Law Group, LLP, our team is dedicated to helping California residents navigate the complexities of real estate litigation, including partition actions. If you’re facing a lawsuit or need guidance on how to safeguard your interests in co-owned property, we can provide tailored advice to protect your assets. Request a free consultation today to discuss your situation, explore your legal options, and develop a strategy that aligns with your goals.

McLellan Law Group, LLP’s cofounders, Claire Melehani and Steven McLellan
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