Rat & Mouse Extermination
Rats and mice are responsible for some of the most expensive non-structural damage in residential properties — chewed wiring causes thousands of house fires every year, and rodent urine routinely contaminates HVAC ducts, insulation and stored food. Rodents also carry hantavirus, leptospirosis, salmonellosis and several other zoonotic diseases. A single female house mouse can produce 60+ offspring in a year.
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Signs you have a rodents problem
- Dark, rice-sized droppings along baseboards, in pantries, behind appliances or in the attic
- Gnawing damage on baseboards, food packaging, electrical wiring or plumbing insulation
- Scratching or scurrying sounds in walls, ceilings or the attic at night
- Greasy 'rub marks' along walls and beams where rodents repeatedly travel
- Urine staining and odor in cabinets, garages or attic insulation
- Nests made of shredded paper, fabric or insulation, usually in attics, garages or behind appliances
Why rodents are a serious problem
- Electrical fires — rodents chew through wiring insulation, and rodent damage is a documented cause of attic and engine-bay fires
- Disease transmission — hantavirus, leptospirosis, salmonella, lymphocytic choriomeningitis virus
- Food contamination — pantry damage, contaminated packaging
- Structural damage — chewed siding, soffits, attic vents, garage doors
- Secondary pest issues — fleas, mites and ticks transported into the home
Why DIY rodents treatment usually fails
Snap traps and store-bought bait stations kill individual rodents but rarely solve the underlying issue: the entry points. A house mouse can squeeze through a hole the diameter of a dime. A rat can fit through a hole the size of a quarter. Until those entry points are sealed at every level of the home — foundation, soffits, weep holes, utility chases, dryer vents — new rodents will replace the dead ones within weeks. Most homeowners trap for months and then call a pro anyway.
The reality: Most homeowners who try DIY end up calling a pro anyway, after spending $50–$200 on hardware-store products and several weeks of failed attempts. The math almost always favors calling a licensed contractor up front.
What a professional rodents treatment looks like
Licensed rodent contractors run a full perimeter inspection (often climbing the roof line and crawling the attic), identify and seal entry points with appropriate materials (steel mesh, mortar, sealant), then deploy a targeted trap and/or bait station program to clear the existing population. Good operators provide a re-inspection within 30–60 days to confirm exclusion held.
What it costs
Pricing varies by infestation severity, property size, and location, but most homeowners can expect quotes in the range described in the FAQ below. The contractor will give you an exact, no-obligation quote during the initial call.
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Frequently Asked Questions
Are rats or mice more dangerous?
Both transmit disease and damage property. Rats (especially Norway rats) cause more structural damage and are more aggressive food contaminators. Mice are smaller and more common in residential settings — they get into more places and reproduce faster.
How long does it take to get rid of rodents?
Most homes clear in 2–4 weeks once entry points are sealed and a proper trapping or baiting plan is in place. Heavy attic infestations or commercial buildings can take longer.
How much does rodent control cost?
Initial service plus exclusion (sealing entry points) typically runs $300–$700. Heavy infestations with attic decontamination and insulation replacement can run $1,500–$5,000+.
Should I use rat poison?
Rodenticides work but come with real downsides — secondary poisoning of pets and wildlife, dead rodents in wall voids causing odor, and poisoned rodents wandering into kids' play areas. Licensed contractors use locked tamper-resistant bait stations and combine baiting with trapping plus exclusion.
Do ultrasonic repellers work?
Independent research and EPA reviews have repeatedly shown that ultrasonic rodent repellers do not produce meaningful long-term population reduction. Save the money for proper exclusion.