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Regular Open Hours:
Wed–Fri: 1–5pm | Sat–Sun: 11am–3pm

Beginning January 2026:

On Thursday surgery days for HSIMC animals, we will be open by appointment only to support our animals recovering from surgery.

Thursday Open by Appt Only Dates:
Jan: 15, 29 (plus Friday 1/30)
Feb: 12, 19
Mar: 12, 19, 26
Apr: 2, 16, 23
(Dates subject to change)

All other days:
HSIMC will be open during regular hours; no appointment needed.

To book an appointment for one of the dates above:
707-485-0123 | info@hsimc.org

Thank you for your understanding and for supporting our staff, animals, and community.