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San Mateo, California

🐾 Opossum Removal in San Mateo

Local licensed expert serving San Mateo and all of San Mateo County. Opossums nest in attics, crawlspaces, and under decks — causing odor problems, droppings contamination, and potential disease exposure.

Opossum Removal — San Mateo, California

Licensed local expert. Same-day and emergency service in San Mateo.

(844) 544-3498

Serving San Mateo and all of San Mateo County, California

(844) 544-3498

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Opossum Removal in San Mateo — What to Expect

Opossums carry leptospirosis and other diseases. Their droppings contaminate insulation and require professional cleanup.

Signs in San Mateo 🐾

Signs You Have Opossums

Opossums are active year-round. They breed twice per year (January-February and June-August) and mothers with young need careful handling.

  • Hissing sounds in attic or crawlspace
  • Strong musky odor
  • Droppings in attic or garage
  • Tipped garbage cans
  • Opossum sightings around home
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Our Process in San Mateo

Our local San Mateo County contractor serves all of San Mateo using the same proven, humane process for every job.

  • Live trapping and relocation
  • Attic and crawlspace cleanup
  • Entry point sealing
  • Odor treatment
  • Deck and foundation exclusion
(844) 544-3498

📅 Summer Activity

Opossums raise their second litter of the year through summer. Juvenile opossums dispersing from their mother are frequently found in unexpected places, including inside garages, under appliances, and in crawlspaces.

Opossum Removal in San Mateo, California — Local Context

Opossums were introduced to California in the early 20th century and have since spread throughout the Pacific Coast states. California, Oregon, and Washington now have well-established opossum populations that regularly enter structures through damaged vents, crawlspace gaps, and broken foundation screens. Western opossums behave similarly to eastern populations and are year-round concerns in the mild Pacific Coast climate.

All wildlife removal in California is regulated by the California Department of Fish and Wildlife. Our San Mateo contractor is fully licensed under the California Department of Fish and Wildlife and uses only permitted, humane removal methods.

Opossum Removal Cost in San Mateo

$150–$400+

Trapping and relocation. Cleanup and entry point sealing are additional services. Call for an estimate — pricing varies by contractor and job complexity.

Frequently Asked Questions — Opossum Removal in San Mateo

How much does opossum removal cost in San Mateo, California? +
Opossum trapping and removal in California typically costs $150–$400+. Sealing the entry point where opossums access your San Mateo crawlspace or deck adds $150–$400+. Long-term contamination cleanup in areas where opossums have been living adds additional cost depending on how long the animal was present.
Are opossums in California dangerous? +
Opossums rarely carry rabies due to their low body temperature, but they do carry leptospirosis and harbor parasites including fleas, ticks, and mites. A female opossum with young in her pouch requires careful professional handling. Their droppings contaminate insulation in San Mateo crawlspaces and attics and require professional-grade sanitization.
Why do opossums keep getting under my house in San Mateo? +
Opossums do not dig — they use existing openings. Crawlspace vents, gaps in skirting, and open foundation areas in San Mateo homes are the primary access points. Because they are opportunistic and nomadic, multiple different opossums may use the same entry point over time. Permanent sealing of all ground-level openings is the only lasting solution.
Will an opossum in San Mateo leave on its own? +
Possibly, but not reliably. Opossums can be nomadic and sometimes move on within days. However, a warm, sheltered crawlspace in San Mateo may be occupied continuously by successive animals unless the entry point is sealed. Females with young will not leave until pups are fully weaned. Professional removal guarantees the animal is gone and the entry is sealed.
When are opossums most active in California? +
Opossums are active year-round in California and can be found in structures in any season. They breed twice per year — females carry young in the pouch from January through April for the first litter, and from June through August for the second. Cold weather drives them more aggressively into crawlspaces and attics. Mothers with pouch young require trained handling and are the most common opossum situation in San Mateo homes.

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