Signs
Scampering in the attic in the early morning and late afternoon (rodents tend to be more active at night), chewed fascia or vents, and burrows along foundations and patios.
Health awareness
The NM Department of Health lists rock squirrels among the rodents involved in plague in New Mexico. Don't handle squirrels, especially sick or dead ones.
Humane solution
One-way doors on active openings, chew-proof sealing for every other gap, and a check for young before the final seal. Squirrels can have more than one litter a year.
Frequently asked questions
Can I use foam to seal squirrel holes?
No. Squirrels chew through foam. Use metal flashing, hardware cloth and exterior-grade materials.
Why do I hear them in the morning?
Squirrels are active during the day, so you'll usually hear them early and late.
Do you handle rock squirrels under patios?
Yes. We use buried mesh barriers and exclusion around foundations.
Sources
This page is general information, not medical, legal or regulatory advice. For health concerns, contact a healthcare provider or the NM Department of Health. For wildlife regulations, contact NM Game & Fish (NMDOW). Last reviewed Oct 2026.
