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When you support Altered Tails on this day of giving, you are providing care for vulnerable animals in your community, lifesaving surgeries for those who cannot afford care, and helping us support rescue partners fight against pet overpopulation. 

With over 24,000 surgeries each year, Altered Tails works every day to build the community animals and their owners deserve. The community we can build together.

We rely on donations to continue our mission. We rely on you to be our lifesaving partner.

Help us build the community we all deserve.

Access to care

Since beginning our mission, Altered Tails has provided affordable, high quality access to care for over 212,000 animals in our community.  Whether it's subsidizing surgeries for low-income families, free vaccines to combat deadly diseases, or partnering with rescues to save more lives; Altered Tails is here for those who need help. 

Thanks to your support.

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We Are You.

Our team is comprised of veterinarians and veterinary technicians helping their community outside of work. We are foster parents, bottle baby feeders, outdoor cat trappers, colony managers, volunteers, and pet parents.

We help you because we are you.


Performing more TNR surgeries for outdoor cats than any clinic in the valley, the work with our partners has made a monumental impact in the lives of outdoors cats. With over 9,000 TNR surgeries a year, our work with colony managers is ending the needless suffering of cats in our community. Using donations to subsidize surgeries, we regularly provide TNR surgery to those who cannot afford care.

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