Bergen's housing stock shapes exactly where rodents get in. Wood-frame and brick construction from the industrial era dominates, built to handle the region's severe winters. Combined with the area's climate — a humid continental climate with some of the heaviest lake-effect snowfall totals in the country and warm, humid summers — rodents seeking shelter from weather extremes make a beeline for any accessible gap.
Exclusion is the core of effective rodent control: finding and sealing every gap a mouse or rat could use to get inside, since traps alone just remove the current population without stopping the next one. We pair exterior sealing with interior trapping or bait stations, then follow up to confirm the problem is resolved.