Understanding Illegal Possession in Rental Properties
Causes and Solutions for Landlords

Illegal possession occurs when a tenant or occupant remains in a rental property without legal authorization. This can happen after a lease has expired, when there is no signed lease agreement in place, or when occupancy occurs through other unlawful means. Situations involving illegal possession can be especially challenging for landlords and real estate investors, as removing occupants must be handled carefully and strictly within the boundaries of the law.
While it may be tempting to take swift action, improper handling of illegal possession can expose landlords to significant legal risks, including lawsuits, fines, and delays in regaining control of their property. Understanding the most common causes of illegal possession—and the correct legal responses is essential to protecting your investment.
Common Issues That Lead to Illegal Possession
1. Tenant Remaining After Lease Expiration
One of the most common forms of illegal possession occurs when a tenant continues to occupy the property after the lease term has ended, without renewing the lease or signing a new agreement. While some tenants assume they can remain on a month-to-month basis, this is not always legally permitted unless explicitly allowed under the lease or state law.
When a tenant stays beyond the lease expiration without authorization, they may be considered a “holdover tenant.” At this point, the landlord must follow the proper legal steps to regain possession, rather than attempting informal or forceful removal.
2. Occupancy Without a Lease Agreement
Illegal possession can also arise when an individual occupies a rental property without ever signing a lease or receiving legal permission to live there. This situation may occur when:
- A former tenant allows someone to move in without landlord approval
- A friend or family member continues living in the unit after the tenant moves out
- A property is occupied under false pretenses or without documentation
Without a signed lease, these occupants have no contractual relationship with the landlord, yet they may still have certain legal protections that require formal eviction proceedings.
3. Unauthorised Subleasing
Unauthorized subleasing is another frequent cause of illegal possession. This occurs when a tenant subleases the rental property—or a portion of it—without the landlord’s written consent, in direct violation of the lease agreement.
In these cases, the sublessee has no legal right to occupy the property because the landlord never approved their tenancy. However, landlords must still proceed cautiously. Removing unauthorized subtenants often requires addressing the lease violation with the original tenant and, if necessary, pursuing eviction through the court system.
4. Failure to Follow Proper Legal Process
One of the most serious mistakes landlords make when dealing with illegal possession is attempting to remove occupants without following the proper legal process. Actions such as:
- Changing locks
- Shutting off utilities
- Removing personal belongings
- Threatening or harassing occupants
are considered “self-help evictions” and are illegal in most jurisdictions, including Texas. Even when a tenant is clearly in violation, landlords must obtain a court order before forcibly removing anyone from the property.
Failure to follow proper eviction procedures can result in penalties, delays, and even legal claims against the landlord.
Legal and Practical Solutions for Landlords
Provide Proper Legal Notice
The first step in addressing illegal possession is issuing proper written notice to the tenant or occupant. The notice should clearly state that their occupancy is unauthorized or in violation of the lease agreement and provide a deadline to vacate or correct the issue, as required by law.
The type of notice and the amount of time required—may vary depending on the situation and local regulations, so accuracy is critical.
Initiate a Formal Eviction Process
If the occupant refuses to vacate after receiving notice, the landlord must initiate a formal eviction process by filing a case with the appropriate court. This ensures that the eviction is legally enforceable and protects the landlord from liability.
During this process:
- All documentation should be organized and accurate
- Lease agreements, notices, and evidence of violations should be presented
- Court procedures must be followed precisely
Attempting to bypass the court system can significantly prolong the situation and increase costs.
Avoid Self-Help Eviction Tactics
Landlords should never attempt to resolve illegal possession through self-help measures. Even if the occupant has no lease, courts often view these actions as unlawful. Always wait for a court-issued writ of possession before taking steps to remove occupants or secure the property.
Seek Legal Guidance
Because illegal possession cases can be complex, consulting with an attorney experienced in landlord-tenant law is strongly recommended. Legal counsel can help ensure compliance with eviction procedures, minimize risk, and expedite resolution.
Preventing Illegal Possession in the Future
Prevention is often the most effective strategy. Landlords can reduce the likelihood of illegal possession by:
- Clearly defining occupancy limits and subleasing rules in the lease
- Conducting regular property inspections
- Maintaining open communication with tenants
- Responding promptly to lease violations
- Working with a professional property management company
A proactive approach helps identify issues early—before they escalate into legal disputes.
Illegal possession situations can be frustrating and financially draining for landlords and investors. However, by understanding the common causes, following proper legal procedures, and seeking professional guidance when needed, landlords can protect their property rights while remaining compliant with the law.
Handling illegal possession correctly not only safeguards your investment but also helps avoid costly legal pitfalls and unnecessary delays.
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Common Issues:
- Tenant Remaining After Lease Expiration:
When a tenant stays beyond the lease term without renewal or a new agreement, it can be considered illegal possession. - Occupancy Without a Lease:
If someone occupies a property without a signed lease agreement or legal permission, this could be an illegal tenancy. - Unauthorized Subleasing:
Tenants who sublease the property without permission from the landlord may lead to illegal possession, as the sublessee is not authorized to occupy the space. - Failure to Follow Proper Legal Process:
Evicting tenants in cases of illegal possession requires following the appropriate legal process. Attempting to forcefully remove a tenant without proper documentation or court order is illegal.
Solutions:
- Ensure that you provide legal notice to the tenant informing them that their occupancy is unauthorized or in violation of the lease agreement.
- If the tenant refuses to vacate, initiate a formal eviction process by filing with the court. Do not attempt self-help eviction (e.g., changing locks, shutting off utilities).
- Seek advice from an attorney experienced in landlord-tenant-law to ensure compliance with eviction procedures in cases of illegal possession.
By following proper procedures, investors can avoid legal pitfalls when dealing with illegal possession situations.









