When Should You Call an Exterminator for Rats in Louisiana?

Rat near Damaged Furniture Indoors. Pest Control

Battling roof rats in Louisiana? Don’t wait until these sneaky pests are roaming your halls.

In Louisiana’s hot, humid climate, rats multiply fast, so catching signs early is critical. After all, they’re health hazards that can seriously damage your home.

Spot droppings or hear scurrying? Act fast, and learn the signs and when to call in the pros.

Key Takeaways

  • Early signs of a rat infestation include fresh droppings, faint gnaw marks, and soft scratching sounds at night.
  • If signs escalate to visible tracks, frequent noises, and more droppings, it’s time to consider professional extermination.
  • Severe infestations show through daylight rat sightings, substantial damage, and visible nests, requiring urgent professional intervention.
  • DIY rat control methods like snap traps and peppermint oil are options, but professional help is needed for complex or persistent infestations.
  • Effective rat extermination timing aligns with rats’ seasonal activities, with preventive measures essential to keep them away long-term.


Observing the early, moderate, and severe signs of a rodent infestation can save you considerable trouble.

Early Signs of Rat Presence

Rats leave initial hints of their presence. As homeowners in Louisiana, you should be vigilant to the following initial signs of rodent activity:

  • Scattered droppings: Finding new, small, dark-colored mouse droppings, particularly in less frequented home areas, is a telltale early warning.
  • Faint gnaw marks: Tiny bite marks on food packaging or furniture might signify the start of a rodent problem.
  • Occasional scratching sounds: Soft noises behind walls or ceilings, especially at night, are often the first auditory clue of rat activity.

Moderate Signs of Rodent Infestation

Overlooking the early signs leads to the escalation of rat activity in the home. These signs tell you that your mouse problem has worsened:

  • Increased droppings: More frequent feces finding, especially around areas where food is stored, suggests a growing number of rats.
  • Visible tracks or grease marks: Dark marks along walls or baseboards indicate established rat pathways.
  • Frequent scurrying or squeaking noises: Regular sounds of movement or vocalizations usually mean the infestation is expanding.

With these clear escalation signs, you should consider getting a rat exterminator’s assessment to determine the extent and effectively address the house mice issue.

Severe Infestation Indicators

Continued neglect of the moderate indicators may lead to grave signs that necessitate immediate rodent control. 

  • Nests in accessible areas: Discovering nesting materials like shredded paper or fabric in plain view can point to a sizable and settled rat population.
  • Daytime rat sightings: Normally nocturnal, rats visible during the day typically indicate a severe infestation with intense competition for food and space.
  • Substantial damage: Large-scale damage to food storage, structures, or wiring reveals a serious rodent issue and poses significant health and safety concerns.

At this stage, you are strongly urged to contact pest control professionals quickly to mitigate health risks from pathogens like hantavirus and leptospirosis.


Dealing with a rat problem in Louisiana can be a battle of wits and resilience. As homeowners, you may tackle the issue yourself.

However, understanding the effectiveness of DIY pest control methods and knowing when to call in a professional exterminator is crucial.

Effectiveness of DIY Solutions

DIY rat control can be the first line of defense for rat removal. Here is a closer look at the common methods and their effectiveness:

DIY MethodEffectiveness
Snap TrapsModerately Effective
Poison BaitsRisky
Ultrasonic DevicesLimited Evidence
Peppermint OilLow

Professional Pest Control Companies

Sometimes, the rodent problem may be beyond the scope of DIY solutions. Here’s a checklist to identify when it’s time to seek professional pest control services:

  • Multiple sightings of live or dead rats in the house.
  • Signs of property damage, like chewed wires or furniture.
  • Rat droppings are found in several areas, especially after cleaning.
  • Noises in walls or attic suggest a possible nest.
  • DIY methods have failed after consistent use over several weeks.
  • Complex infestations with outer pests like fleas and termites.

When these criteria are met, contacting a professional rodent exterminator with years of experience may be the best action. 

At LaJaunie’s Pest Control, here’s a brief overview of our pest management when dealing with rodents like Norway rats:

  1. Assessment: Determine the need for regular control or a more detailed inspection by a certified inspector. Schedule as necessary.
  2. Initial Visit: Notify customers upon arrival and conduct a thorough inspection to identify entry points and problem areas. Document our findings and discuss solutions with the customer.
  3. Service Scheduling: Agree on solutions with the customer and schedule the necessary service.
  4. Exclusion Services: To secure entry points, the wildlife crew performs exclusion measures, such as sealing exterior gaps with mesh and other barriers.
  5. Bait and Monitor: Strategically place rodent bait stations based on initial findings.
  6. Follow-Up Services (Optional): Additional services like CO2 burrow elimination may be offered for persistent or burrowing rodents.


Effective rat extermination in Louisiana requires timing that aligns with peak activity periods. 

Seasonal Considerations

Understanding seasonal patterns helps you plan for these services more precisely.

SeasonRat ActivityIdeal Extermination Period
WinterRats seek shelter indoorsLate winter to early spring
SpringBreeding peak, increased activityEarly spring
SummerHigh activity, potential for infestationsLate summer
FallRats prepare for winter, increased indoor encroachmentEarly fall


When rat sightings in a Louisiana home become more of a norm than an exception, it may be time to give those pesky rodents an eviction notice, courtesy of a professional pest control.

Whether you’re in Baton Rouge or the surrounding areas, seeking expert help should be easy. For immediate intervention for a severe infestation, let Lajaunie’s rat control specialists tailor a solution that’s right for your home.

For more information about the areas we service, visit our location page.