Two rodents drive nearly every call in this part of St. Mary's County. The house mouse is the one found under kitchen sinks and behind dishwashers in Patuxent Park, Carver Heights and the older rental stock near Great…

Two rodents drive nearly every call in this part of St. Mary's County. The house mouse is the one found under kitchen sinks and behind dishwashers in Patuxent Park, Carver Heights and the older rental stock near Great Mills Road — droppings the size and shape of a rice grain, dark and scattered along baseboards. Norway rats show up around Town Creek, along storm drains, and near commercial dumpster corridors like San Souci Plaza and St. Mary's Square, where a burrow at the foundation line and a greasy rub mark on a downspout tell the story. Wooded lot lines in Bay Forest, Hickory Hills and along the Three Notch Trail edge add white-footed mice, which move indoors as soon as October nights cool off. Field-mouse pressure spikes again after the surrounding corn and soybean ground is harvested near Chancellors Run Estates and Greenview Knolls.
Here is the decision that matters. If you have seen droppings for less than a couple of weeks in one room, trapping plus targeted sealing usually finishes it, and that is the least expensive path. If you are hearing movement overhead, finding droppings in more than one room, or the home has an open crawlspace, a slab penetration at the plumbing, or a soffit and gable vent that daylight shows through, then exclusion is the job and trapping is only the cleanup. Bait-only programs are the alternative some companies sell because it is fast and cheap to install. The trade-off is real: bait can reduce a population without ever closing the hole, so next fall the same route reopens, and a rodent that dies inside a wall cavity becomes an odor and fly problem. We do not blanket-fog interiors, and we do not place bait indoors where children or pets can reach it.
Lexington Park construction shapes the work. Slab-on-grade homes hide entries where the water line and sewer stack pass through the slab, plus dryer vents and utility chases that were never properly collared. Crawlspace homes in Esperanza and Cedar Cove combine Chesapeake humidity with insulation that mice shred for nesting, so we look for moisture and grade issues at the same visit — a wet crawlspace re-seeds pests no matter how much is sprayed above it. Townhome and duplex layouts around Wildewood share wall cavities, which means a neighbor's problem can arrive through a common wall; we note that plainly rather than pretend a one-unit seal solves a building-wide route.
Pax River turnover creates its own pattern. Homes that sit empty between PCS moves lose the daily disturbance that keeps rodents cautious, and a stored bag of birdseed or dog food in a garage will hold a colony through winter. If you are handing over keys or taking possession, an inspection before the furniture arrives is far cheaper than one after.
Every visit ends with what we found and where — gaps measured, entry points photographed, conducive conditions listed — so you own the findings whether or not you hire us for the sealing work. Ongoing rodent monitoring is available, and any program we set up can be cancelled; there is no auto-renewing contract you cannot get out of.
Every job gets a firm, written price after a free on-site visit.
Tell us about your rodent control job in Lexington Park and we'll send a clear, written quote — usually the same day.