Adverse possession is a legal doctrine that allows a person who occupies land they do not own to acquire legal title to that land if they satisfy specific requirements for a required period of time.
This doctrine serves several purposes:
- Encourages productive use of land
- Clearing old or stale title claims
- Penalizing negligent absentee owners
- Protects reliance interests of long-term occupants
Requirements Under California Law:
In order to establish an adverse possession, the claimant must satisfy the following requirements:
- Actual Possession – The claimant physically uses the land as a reasonable owner would.
- Exclusive Possession – The claimant must possess the property exclusively and cannot be shared with the true owner or the general public
- Open and Notorious Possession – The use is visible and obvious so that a reasonable owner would be on notice.
- Hostile Possession Under Claim of Right – Possession is without the legal owner’s permission and under a good-faith belief of ownership.
- Continuous Possession – Possession is continuous and uninterrupted for the statutory period.
- Statutory Period – California requires five continuous years of possession. The claimant must have met all requirements continuously for five years.
- Payment of Property Taxes – The claimant must pay property taxes assessed during the five years. This is often the biggest obstacle for claimants.
How Property Owners Can Reduce the Risk of Adverse Possession
Property owners can reduce the risk of adverse possession by taking proactive steps that demonstrate control and permission-based use of their land. Using formal legal agreements such as leases, easements, and licenses helps prevent hostile possession by clearly documenting authorized use. Leasing unused land shows active management, while easements and licenses allow limited use without transferring ownership rights. Regular property inspections, maintenance, fencing, and clear signage further reinforce ownership and help deter unauthorized use.
Adverse possession claims can often be avoided with thoughtful planning and clear documentation. Professional legal advice with an experienced attorney can help you implement effective property management and preventative strategies. If you have questions about adverse possession or property use agreements, our office is here to help.
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