Delaware Renters: How to Handle Pest Infestations Legally

Pest infestations can make your apartment uncomfortable—and sometimes even unsafe. For renters in Delaware, knowing your rights and the official process for dealing with pests is key to ensuring your home remains healthy and compliant with state standards. This guide summarizes the steps you must take, the responsibilities of your landlord, and where to get help, all in plain language.

Pest Control Responsibilities in Delaware Rentals

Both landlords and tenants have important roles when it comes to pest management in Delaware. Under the Delaware Residential Landlord-Tenant Code, landlords must provide safe and sanitary housing—including apartments free from serious pest infestations.[1]

  • Landlord Responsibilities: Landlords are typically responsible for pest control in multi-unit buildings, especially when the infestation is not caused by a tenant's actions.
  • Tenant Responsibilities: If a tenant's actions—like leaving food out—directly cause an infestation, tenants may share responsibility for remediation.

To determine who is responsible, Delaware looks at the cause and location of the issue. If unsure, it's wise to document everything clearly.

What to Do if You Have a Pest Infestation

If you find pests such as roaches, bed bugs, or mice in your Delaware apartment, following a legal process can protect your rights and help resolve the issue faster.

Step-by-Step Actions for Renters

  • 1. Document the Problem: Take clear photos and note dates, locations, and the type of pests observed.
  • 2. Notify Your Landlord Promptly: Delaware law requires you to notify your landlord in writing about the pest issue as soon as possible. Use email, certified mail, or the official form below. Keep a copy for your records.
  • 3. Allow Time for Repairs: The landlord generally has up to 15 days to begin addressing the infestation after receiving proper notice.
  • 4. Follow Up If Needed: If the landlord does not act, you might have the right to take further steps, including contacting code enforcement or seeking rent reductions. Always follow up in writing.
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Official Form: Notice to Landlord—Defective Condition or Failure to Maintain

  • Form Name: Notice to Landlord—Defective Condition or Failure to Maintain
  • Use: Use this form to provide official notice to your landlord about conditions like pest infestation that violate your right to a safe and habitable rental.
  • Where to Find: Download the form and instructions from the Delaware Justice of the Peace Court - Official Notice to Landlord.
  • Example: If you have a recurring mouse problem, fill out the form describing the dates and sightings, then send it by certified mail to your landlord.

The Role of Delaware's Justice of the Peace Court

If your landlord does not resolve the pest problem in a reasonable period (usually 15 days after notice), you may apply to the Delaware Justice of the Peace Court, the official body handling residential tenancy disputes in Delaware. This is also where eviction filings and repair disputes are heard.[2]

If your landlord retaliates after you report a pest problem, Delaware law protects you from eviction and other adverse actions for asserting your housing rights.

Key Delaware Laws Covering Pest Infestations

These laws protect renters against unsafe living conditions, including pest infestations, but both parties must fulfill their responsibilities.

FAQ: Delaware Renters and Pest Problems

  1. Can I withhold rent if my landlord does not fix a pest problem? — Generally, you must follow the official notice process first. If unresolved, you may be entitled to seek a rent abatement or file a claim with the Justice of the Peace Court, but do not withhold rent without legal advice or court approval.
  2. How quickly must my landlord respond to a pest complaint? — Landlords must begin repairs or remediation within 15 days of receiving your written notice, unless it is an emergency requiring faster action.
  3. Can my landlord charge me for professional pest control? — If you caused the infestation through negligence, you may be responsible. If not, the landlord typically pays for pest removal.
  4. Whom do I contact if my landlord is unresponsive? — Contact your local Delaware code enforcement office or file a claim with the Justice of the Peace Court.
  5. What proof do I need when notifying my landlord? — Document the issue with photos and written dates, and send notices via certified mail or email for a clear record.

Key Takeaways for Delaware Renters

  • Document pest problems and notify your landlord in writing using official forms.
  • Landlords have up to 15 days to begin addressing infestations after receiving notice.
  • You have legal protections and avenues for support through Delaware's Justice of the Peace Court and local agencies.

Addressing pest issues promptly and formally safeguards your health, safety, and tenancy rights.

Need Help? Resources for Renters


  1. Delaware Residential Landlord-Tenant Code, Chapters 53 and 55
  2. Justice of the Peace Court Official Site
Bob Jones
Bob Jones

Editor & Researcher, Tenant Rights USA

Bob writes and reviews tenant law content for various regions. They’re passionate about housing justice and simplifying legal protections for renters everywhere.