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  • Guess who is the 2018 Best of Boulder Winner?

    Thanks for your support over the years! We could not do it without you.

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  • New Pet Portal!

    We are excited to introduce you to your newly redesigned Pet Owner Portal! This portal offers you 24/7 access to your pet’s medical information, as well as access to an extensive library of educational tools related to your pet’s health. We hope you will take some time to explore all the great features available at your fingertips!

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  • Welcome To Our New Website!

    Welcome to Left Hand Animal Hospital! Your local veterinarian in Niwot, Boulder County, Colorado. Call us today to book your appointment! 303-652-8387

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  • Come Check Out Our Online Store!

    Shop for all your pets needs in the comfort of your home. Click here to access our Online Store!

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  • Veterinary Services Available

    Our Veterinary Hospital in Niwot, Boulder County, Colorado is pleased to provide a wide variety of veterinary services for animals in Niwot and surrounding area. These services include surgery, preventative treatments, dental care and more!

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  • Pet Dental Care Available!

    Left Hand Animal Hospital, your Niwot, Colorado veterinarian is pleased to provide Dental Care to our patients! Make your Dental Care appointment today! 303-652-8387

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  • Cat Friendly Practice!

    We are a cat-friendly practice, devoted to making you and your feline friend as comfortable as possible while you visit with us. With a cat-specific exam room and Feliway products and staff trained to the special needs of cats, we will strive to make your kitty comfy!

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Phone Us


Our Location

136 2nd Ave. D
Niwot, CO 80544
PO Box 725

In the News

  • We Are Open!

    Here at Left Hand Animal Hospital we offer clients personalized service and options for their pets. We believe in whole body care for the whole life of their pets.
  • Hours of Operation

    Monday 7:30am – 6:00pm
    Tuesday 7:30am – 6:00pm
    Wednesday 7:30am – 6:00pm
    Thursday 7:30am – 6:00pm
    Friday 7:30am – 6:00pm
    Saturday 8:00am – 12:00pm
    Sunday Closed