Winter Skunk Removal in Grass Valley and Nevada City

As the cold months set in, skunks around Grass Valley and Nevada City start searching for winter shelter. Skunks don’t fully hibernate, but they do enter periods of extended inactivity when the weather turns harsh. Depending on temperatures a skunk may hole up for 2-4 weeks! In the colder months, they spend multiple days in their dens to conserve energy, typically starting by Thanksgiving and settling in by Christmas. Skunks become less active but will emerge on warmer days, making winter a prime time to secure your property and prevent skunks from denning under your home or deck.

Seasonal Behavior and Breeding Patterns

Skunks’ denning and breeding habits make it important to stay vigilant in the winter. In regions with mild winter temperatures, such as areas near Lake of the Pines and Auburn, skunks have been seen breeding as early as mid-January. However, February 14—Valentine’s Day—typically marks the beginning of the skunk breeding season. If your property has seen skunks in the past, it’s even more likely to attract them again because of the pheromones and scent markings left behind, which signal to other skunks that potential mates or ideal den sites are nearby.

Preventing Skunks from Entering Your Property

The best way to keep skunks from taking up residence under your home, deck, or other structures is through effective exclusion methods. Skunks are resourceful and will take advantage of any openings, so addressing possible entry points is essential. Here’s what an effective skunk exclusion plan for winter might include:

  • Foundation Vent Sealing: Skunks often squeeze through small gaps, and open or damaged foundation vents can provide just enough room for entry. Securing these vents with sturdy, small-mesh screens helps keep skunks out while maintaining airflow.

  • AC Chase and Crawl Space Doors: Ensure that AC chases and crawl space doors are properly sealed to prevent skunks from accessing hidden areas within your home’s foundation. An unsealed crawl space door is one of the most common access points.

  • Dig-Proof Skirting for Decks and Foundations: Skunks are burrowing animals, so installing a dig-proof barrier around decks, patios, and free-standing foundations is essential. A sturdy skirting system typically involves digging a trench 18 inches to 2 feet out from the structure and 8 inches deep, with a durable PVC-coated screen to create a solid barrier that skunks can’t dig through.

By addressing these potential den sites, you can protect your property from unwelcome winter visitors and prevent future problems associated with skunk intrusions.

Odor Control and Mitigation Services

Even if a skunk doesn’t fully move into your property, the lingering odor can make it seem like it has. If a skunk sprays, the smell can permeate insulation, crawl spaces, and air vents, requiring targeted odor control services. At Gold Country Wildlife Control, we offer two primary solutions to address skunk odors:

  1. Odor Control Fogging Treatment: For cases where the skunk hasn’t sprayed directly in your home but has left a noticeable scent, a fogging treatment can neutralize odors and make the space more livable again. This treatment is often used in crawl spaces or under decks where the odor isn’t concentrated but still noticeable.


  1. Insulation Removal and Replacement: If the skunk has sprayed directly on insulation or in areas where the odor has heavily permeated, insulation removal and replacement may be necessary. Our teams carefully removes soiled insulation, disinfects the space, and installs new insulation to restore the area to a fresh state.

Skunk Control for the Long-Term

Winter is the perfect time to have skunk exclusions done, as we can work on foundations year round.  This will keep your crawl space safe before the more active breeding season. If you’ve experienced skunk issues in the past, taking preventive measures now can save you time, money, and stress in the future. At Gold Country Wildlife Control, we specialize in humane skunk removal and exclusion services for Grass Valley, Nevada City, and surrounding areas, ensuring your home remains skunk-free year-round.

Don’t let skunks make your home their winter den—contact Gold Country Wildlife Control today for a comprehensive assessment and secure your property before breeding season begins.

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