What Happens When You Fail to Monitor the Tenants' Activities?

Updated 10 days ago (March 6, 2026)

Tenants who engage in illegal activity on your property, such as drug dealing, storing stolen property, engaging in prostitution, or participating in gang-related activity, can cause you great trouble.

In recent years, many states have responded aggressively to the drug trade in residential areas, making it easier for landlords evict based on these or other illegal activities. In this section, we focus on the most common problem (drug trafficking), but our discussion also applies to other illegal activities.

Over the past decade, a growing number of laws and court decisions have held landlords liable for failing to adequately monitor their tenants' activities, especially if they are caught engaging in persistent illegal activities such as drug dealing. In addition, your failure to act quickly to resolve the situation could lead to these practical and legal problems:

  • A good tenant who pays their rent on time and maintains the property may be hard to find and keep, and the value of your property may plummet;

  • Using the "constructive eviction" theory, good tenants, suc as those trying to avoid the drug trade, can legally move out without notice and before their leases expire. They will argue that the existence of illegal activities has effectively driven them out of their homes because problems related to the drug trade prevent them from "quietly enjoying" their homes.

  • Tenants injured or bothered by drug dealers, both in the building and neighborhood, may withhold rent or sue you for violating anti-nuisance laws and building codes;

  • Local, State, or Federal authorities may levy stiff fines, as high as $10,000, against you for allowing the illegal activity to continue;

  • Law enforcement authorities may choose to impose criminal penalties on both the tenants and you for knowing about these activities and tacitly approving by doing nothing.

  • As an extreme but relatively rare consequence, the presence of drug dealers can lead to the confiscation of your rental property, based on one of two powerful tools society has developed to deal with crime: nuisance mitigation laws and confiscation laws. A judge can even order an owner to live on the property until the nuisance, the drug dealing, has stopped.

Legal Disclaimer: Tellus provides this content for informational purposes only. This is not legal advice. Laws vary by state and locality, and regulations may have changed since this article was published. Consult a qualified attorney for guidance specific to your situation.

State-by-State Guide

Laws on this topic vary significantly by state. Select a state below to read about its specific laws and statutes.

StateState-Specific Guide
California California Security Deposit Laws for Landlords, California Rent Increase Rules for Landlords, California Landlord Maintenance and Repair Obligations, California Lease Agreements for Landlords, California Eviction Process for Landlords, California Landlord Entry Rules and Tenant Privacy
New York New York Security Deposit Laws for Landlords, New York Rent Increase Rules for Landlords, New York Landlord Maintenance and Repair Obligations, New York Lease Agreements for Landlords, New York Eviction Process for Landlords, New York Landlord Entry Rules and Tenant Privacy
Texas Texas Security Deposit Laws for Landlords, Texas Landlord Maintenance and Repair Obligations, Texas Lease Agreements for Landlords, Texas Eviction Process for Landlords, Texas Landlord Entry Rules and Tenant Privacy
Florida Florida Security Deposit Laws for Landlords, Florida Landlord Maintenance and Repair Obligations, Florida Lease Agreements for Landlords, Florida Eviction Process for Landlords, Florida Landlord Entry Rules and Tenant Privacy
New Jersey New Jersey Security Deposit Laws for Landlords, New Jersey Rent Increase Rules for Landlords, New Jersey Landlord Maintenance and Repair Obligations, New Jersey Eviction Process for Landlords, New Jersey Landlord Entry Rules and Tenant Privacy
Illinois Illinois Security Deposit Laws for Landlords, Illinois Rent Increase Rules for Landlords, Illinois Landlord Maintenance and Repair Obligations, Illinois Eviction Process for Landlords, Illinois Landlord Entry Rules and Tenant Privacy
Massachusetts Massachusetts Security Deposit Laws for Landlords, Massachusetts Landlord Maintenance and Repair Obligations, Massachusetts Lease Agreements for Landlords, Massachusetts Eviction Process for Landlords, Massachusetts Landlord Entry Rules and Tenant Privacy
Pennsylvania Pennsylvania Security Deposit Laws for Landlords, Pennsylvania Landlord Maintenance and Repair Obligations, Pennsylvania Lease Agreements for Landlords, Pennsylvania Eviction Process for Landlords, Pennsylvania Landlord Entry Rules and Tenant Privacy
Washington Washington Security Deposit Laws for Landlords, Washington Rent Increase Rules for Landlords, Washington Landlord Maintenance and Repair Obligations, Washington Eviction Process for Landlords, Washington Landlord Entry Rules and Tenant Privacy
Maryland Maryland Security Deposit Laws for Landlords, Maryland Rent Increase Rules for Landlords, Maryland Landlord Maintenance and Repair Obligations, Maryland Eviction Process for Landlords, Maryland Landlord Entry Rules and Tenant Privacy