
Animal ER of Northwest Houston
Open nowVet in Cypress (US-290 at Mueschke Rd) · 27104 US-290, Cypress, TX 77433
- 24/7 emergency
- Walk-in
- Family-owned
- Open holidays
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About Animal ER of Northwest Houston
Animal ER of Northwest Houston is on US-290 near Mueschke Road in Cypress, serving Cypress, Bridgeland, Towne Lake, Jersey Village and the northwest suburbs. It is open 24 hours a day, including all major holidays. Unlike the national ER chains, it is independent and family-owned. Walk-ins are welcome and no referral is needed. The team treats illness and injury, performs emergency surgery and diagnostics, keeps patients in hospital for overnight monitoring, and provides end-of-life care. Several northwest Houston clinics, including Fairbanks Animal Clinic, send their after-hours cases here.
Opening hours
| Monday | Open 24 hours |
|---|---|
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| Thursday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Open 24 hours |
| Sunday | Open 24 hours |
Hours can change on public holidays.
At a glance
| Treats | dogs, cats |
|---|---|
| Visits | Walk-ins welcome; no referral or appointment needed. |
| Ownership | Independent, family-owned |
Services
- Critical care
- Emergency care
- Euthanasia
- Laboratory
- Surgery
- X-ray
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Questions
What are Animal ER of Northwest Houston's hours?
The clinic is open 24 hours a day, seven days a week.
Is Animal ER of Northwest Houston open on Saturdays?
Yes, 24 hours.
Is Animal ER of Northwest Houston an emergency vet?
Yes. It is a 24-hour emergency hospital and takes walk-ins at any hour.
Do I need an appointment at Animal ER of Northwest Houston?
No. Walk-ins welcome; no referral or appointment needed.
What animals does Animal ER of Northwest Houston treat?
Dogs and cats.
Do I need a referral for Animal ER of Northwest Houston?
No. Walk-ins are welcome at any hour.
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Facts checked against the clinic’s own website on 9 Nov 2026. Report a correction · How we verify listings