Few places in Alabama have developed as quickly as Huntsville and Madison. Bulldozers clear creekside woods and farmland, new subdivisions go up, and the rodents that lived there look for the nearest warm structure. If you hear scampering at night above your ceiling, or discover chewed insulation in the garage, rodents have probably been living in your home for longer than you think.
Rodents of the Tennessee Valley
House mice are the most common household intruder. They are small, gray and can fit through a gap the size of a dime. Norway rats burrow in soil beside foundations, in flower beds and along creek banks, and enter through crawl space vents. Roof rats live in Alabama too, preferring attics, trees and fences. Deer mice and white-footed mice nest in woodpiles and sheds, particularly near forested edges such as Monte Sano and Green Mountain. Cotton rats and voles live in fields and lawns but occasionally intrude.
How Huntsville homes open the door
- Brick-veneer homes often have weep holes that mice can slip through.
- Older houses in Twickenham, Blossomwood and Lakewood have crawl space vents with torn screens and gaps where pipes enter the floor.
- Garage doors with worn bottom seals let rodents in at ground level.
- Roof returns, ridge vents and gable vents in newer subdivisions may lack hardware cloth.
- Plumbing and HVAC penetrations are sometimes sealed only with foam, which rodents chew through.
Why activity picks up in cooler months
Huntsville winters are not severe, but cold snaps send mice and rats searching for warmth and food. Fall harvests in surrounding farmland remove cover and food, which adds pressure on neighborhoods. Heavy spring rains flood burrows and push Norway rats up out of the ground. Backyard bird feeders, pet food in the garage and fruit and nut trees such as pecans supply constant meals. A clutter-filled attic or garage gives them quiet nesting material.
What rodent professionals do
An inspector checks the exterior for burrows, rub marks and gaps, and the interior spaces, including attic, crawl space, garage and under sinks. Snap traps or enclosed multi-catch traps are placed along walls where rodents travel. Outdoors, tamper-resistant stations may be positioned near burrows. Exclusion is the long-term solution: hardware cloth, steel wool with sealant, metal flashing and door sweeps close the gaps. Crawl space vents get repaired, and attic insulation that has been contaminated may be removed and replaced. Follow-up checks confirm that activity has stopped.
What you can do
- Store pet food, grass seed and bird feed in metal bins with tight lids.
- Pick up pecans and fallen fruit, and keep woodpiles away from the house.
- Trim branches that overhang the roof.
- Seal gaps around pipes and wires with metal or cement-based products.
- Use tight-lidded trash cans, and avoid leaving bags outside overnight.
Getting started
If you have noticed droppings, gnawed boxes or sounds in the walls, call (844) 725-1661. PestMinistry is a referral service that links Huntsville callers to independent licensed rodent control providers who do the inspection and exclusion work.
Are roof rats in Alabama?
Yes. They are less common than Norway rats in some areas but do occur, particularly where there are trees and wires leading to roofs.
What is the risk of rodents in an attic?
They can chew wiring, contaminate insulation, and attract other pests.
Will an outdoor cat solve the problem?
Cats may catch some, but they do not fix entry points.
Should I be concerned about ticks and fleas from rodents?
Rodents can carry parasites, which is another reason to clean and treat affected areas.