How to Evict an Adult Child from Your Property: A Landlord's Guide

Updated July 10, 2026 · 1,372 words · Published by NextGen Properties ($750M+ AUM)

Evicting an adult child, even one living rent-free, requires following formal eviction procedures. This isn't a family dispute; it's a landlord-tenant issue. Failure to treat it as such leads to significant legal trouble and costly delays. This guide is for landlords who find themselves needing to remove an adult child from their property. We will cover the specific steps, common pitfalls, and how to approach this sensitive situation with a business-first mindset.

Adult Children Are Often Tenants: Understand the Law

Many landlords assume an adult child living in their property is not a tenant, especially if no rent is paid. This is a common and costly mistake. In most states, once an adult has established residency - typically by receiving mail, keeping belongings, or sleeping there consistently for a few weeks - they gain tenant rights. This means you cannot simply change the locks, remove their belongings, or cut off utilities without risking illegal eviction penalties. These penalties can include significant fines and even being forced to pay for your child's temporary housing. The specifics vary by state. In /california/, even a verbal agreement or implied permission can create a tenancy. In Texas, a person living on the property without a lease but with permission is generally considered a tenant-at-will. In New York, similar implied tenancies are recognized, requiring formal notice. Always document the living arrangement, even if it's informal. Before issuing any notice, gather proof of their residency (mail, bills, etc.) and any past communications about their stay. This documentation proves crucial if the case goes to court.

Issuing the Correct Eviction Notice

The first formal step is to serve the correct written notice. Since there's likely no lease agreement or unpaid rent, you will typically issue a "no-cause" notice to quit. This means you don't need a reason for their departure, just proper notice. The most common no-cause notice period is 30 days. Some states, like /california/, require 60 days if the tenant has lived there for more than one year. Always check your state and local ordinances for the exact required notice period. Do not use a 3-day or 7-day notice for non-payment of rent unless there is a formal rental agreement and documented unpaid rent. Using the wrong notice invalidates the eviction process. The notice must be in writing and clearly state:

The adult child's name and the property address.
The date the tenancy will terminate.
A clear statement that if they do not vacate by the specified date, eviction proceedings will begin.
Your signature and the date.

Serve the notice properly. This often means personal delivery, certified mail with a return receipt, or posting it on the door and mailing a copy. Keep proof of service.

Special Case: California Lodger Laws

California has a unique "lodger" law that can simplify removal in very specific circumstances. A lodger is someone who rents a room within the homeowner's primary residence, and the homeowner retains exclusive control over the property. Crucially, there can be no other lodgers. If your adult child is the *only* person living with you in your single-family home (not an accessory dwelling unit or separate apartment), and you maintain primary residency, they might be considered a lodger. For a lodger, if they refuse to leave after receiving proper notice (often 30 days, but sometimes less depending on the agreement), they can be treated as a trespasser. This means you *may* be able to call law enforcement to remove them without a court-ordered eviction. This is a narrow exception. If there's any ambiguity, or if you have other tenants, or if the child occupies a separate unit, they are likely a full tenant, and the standard eviction process applies. Consult a local attorney if you believe the lodger law applies to your situation in /california/.

Document Everything and Prepare for Court

If the adult child does not vacate after the notice period expires, you must file an unlawful detainer (eviction) lawsuit with the court. Do not engage in self-help eviction tactics. This means no changing locks, no turning off utilities, no removing belongings. These actions are illegal and will result in significant penalties. When preparing for court, organize all your documentation:

Proof of ownership of the property.
Proof of residency for the adult child (mail, bills).
The written notice to quit, with proof of service.
Any written communications, emails, or texts related to their stay or your request for them to leave.

The court process involves filing a complaint, serving the adult child with the summons and complaint, attending a hearing, and if you win, obtaining a judgment and a writ of possession. Only a sheriff or marshal can enforce a writ of possession and physically remove someone. This entire process can take anywhere from 30 to 90 days, depending on your state's court backlog and the child's response. For state-specific timelines and costs, review resources like /eviction-process/ and /eviction-costs/.

When to Involve a Family-Law Attorney (and When Not To)

This is primarily a landlord-tenant legal issue, not a family dispute for the courts. A family-law attorney is generally not the correct professional for an eviction. Their expertise lies in divorce, custody, and support. You need an attorney specializing in landlord-tenant law, particularly evictions. They understand the specific notices, court procedures, and local nuances that can make or break a case. Hiring one, while an expense (often $1,500 - $5,000+), significantly increases the likelihood of a swift and legally compliant eviction. They will ensure you avoid common mistakes that lead to dismissal or counterclaims. Consider involving a family therapist or mediator *before* the legal process if you hope to preserve the family relationship. However, this is separate from the legal eviction itself. If the goal is removal, the legal process must be followed.

Financial Considerations and Preventing Future Issues

Evicting an adult child is rarely cheap. Beyond legal fees, you may incur court costs, sheriff fees, and potential damage repair if the child leaves the property in poor condition. These costs can easily run into several thousand dollars. Understanding the financial implications can be aided by exploring resources like our interactive eviction risk map and scoring methodology to assess broader risks. To prevent similar situations in the future, especially with other potential tenants or family members:

Formalize all agreements: Even for family, use a written lease agreement. Clearly define rent, utilities, and responsibilities.
Understand tenant screening: Implement a consistent screening process for all occupants. Review /screening-to-prevent-eviction/ for best practices.
Set clear boundaries: Before anyone moves in, discuss expectations for length of stay and house rules.

Frequently asked questions

Is an adult child living at home considered a tenant?

Yes, in most states, an adult child who has established residency, even without a formal lease or paying rent, is considered a tenant. This means they have tenant rights and must be formally evicted.

Can I just change the locks or turn off utilities?

No. Engaging in "self-help" eviction tactics like changing locks, removing belongings, or shutting off utilities is illegal in all states. It can lead to severe penalties, including fines and being ordered to pay for the child's temporary housing.

What kind of notice do I need to give?

Typically, you will need to issue a "no-cause" notice to quit, usually a 30-day or 60-day notice depending on your state and how long the child has lived there. A 3-day notice for non-payment of rent is generally not applicable unless there's a formal rental agreement with rent due.

How long does the eviction process take for an adult child?

After the notice period (30-60 days), the court eviction process can take another 30 to 90 days, or even longer, depending on your state's specific laws, court backlogs, and whether the adult child contests the eviction.

Do I need a lawyer to evict my adult child?

While not legally required in all cases, hiring a landlord-tenant attorney is strongly recommended. They ensure proper procedures are followed, minimizing delays and avoiding costly legal mistakes. A family-law attorney is generally not the correct specialist for an eviction.

Can I charge my adult child rent retroactively?

No, you cannot retroactively charge rent unless there was a clear, written agreement to do so from the start. Any attempts to do so during an eviction will likely be dismissed by the court.