THE HOUSTON RING · HARRIS · WALLER · MONTGOMERY · BRAZORIA · AUSTIN CO.
Vets near Houston
Thirteen practices, every one of them read off its own website. Eight say on their own site that somebody is there overnight — four for dogs and cats, four for horses. That is the widest night lane in this book so far. Everything else on this page is daylight work and waits under it.
If it's an emergency, call before you drive.
“Open 24 Hours” — and, on the same site, “24 Hour Emergency Care for Dogs and Cats”.
24 HOURS · THEIR WORDSNO APPOINTMENT NEEDED“No referral or appointment needed. Walk-ins are always welcome.”
SOURCE · animalernwh.com“24/7 emergency & critical care, with a dedicated overnight staff to ensure round-the-clock care”
24/7 · OVERNIGHT STAFF SOURCE · gcvs.com/services/emergency“24/7 Emergency services are available at our Houston and NASA Parkway locations.” The same site describes “24/7 emergency & critical care, with a dedicated overnight staff to ensure round-the-clock care”.
24/7 · THE SOUTH-EAST SIDE SOURCE · gcvs.com/locations · and their emergency page“open 24 hours a day 7 days a week including holidays”
24/7/365 · THEIR WORDS SOURCE · vergi247.com“Becker Equine provides emergency veterinary care 24 hours a day, 7 days a week, 365 days a year.” Office hours are the daylight half: “8AM – 6PM; Emergency: 24/7”.
24/7/365 · EQUINE · AMBULATORY SOURCE · beckerequine.com“The Houston Field Medicine Division offers a full spectrum of services including 24-hour emergency care, wellness, lameness evaluation, digital radiography ultrasound, upper airway endoscopy, general and preventative healthcare, dentistry, shockwave therapy, podiatry, and purchase exams.”
24-HOUR FIELD CARE · EQUINETHE HOUSTON END IS A FIELD DIVISIONThis is a field service — “We Bring The Hospital To Your Horse” — and their own site puts the 24-hour-staffed intensive care unit at the Weatherford facility, not in Houston. Ask where the horse is going before you hitch up.
SOURCE · equinesportsmedicine.com/locations/houston“Katy Equine Clinic is available 24/7 to provide critical care for your horse.” Urgent cases are taken “both in the field and in the hospital.”
24/7 · FIELD OR HOSPITALWHAT THEY DON'T PUBLISHThe banner says “AFTER HOURS EMERGENCY SERVICES OFFERED”, but regular weekday hours are not published on the clinic's site — so we haven't got any to print.
SOURCE · katyequineclinictx.com“Mon – Fri: 8AM – 5PM, Sat: 10AM - 2PM, Emergency 24/7”. In the field: “We are also available 24 hours a day seven days a week to provide emergency services in the field.”
24/7 · EQUINE · FOUR AMBULATORY TRUCKSHOW FAR THEY DRIVE“Our practice area consists of any farm within a 30 mile radius of our hospital.” Measure the thirty miles from Waller before you count on a truck coming out.
SOURCE · wallerequine.com/ambulatoryLarge animal
& mixed practice
In here because the practice's own website says it treats horses, cattle, sheep, goats or pigs. A clinic that only mentions dogs and cats is not in this lane no matter how good it is.
Equine practice, hospital and ambulatory both. “Becker Equine provides ambulatory veterinary care and consulting services throughout Texas, Kentucky, New Jersey, Pennsylvania, and select national and international locations.”
8AM – 6PM; Emergency: 24/7
SOURCE · beckerequine.com · and their consulting page · checked 9 Aug 2026
Equine field and ambulatory service — “We Bring The Hospital To Your Horse”, working “On the Farm ~ Horse Sale ~ Shows ~ Trail Rides ~ Rodeos”. The Houston end is the field division; the practice's 24-hour-staffed intensive care unit is at Weatherford.
Monday - Friday - Call for Appointment
SOURCE · equinesportsmedicine.com/locations/houston · checked 9 Aug 2026
Equine practice west of the city. Emergency care is offered “both in the field and in the hospital.” — the field half is why they sit in the farm-call lane too.
Regular weekday hours are not published on the clinic's site.
SOURCE · katyequineclinictx.com · checked 9 Aug 2026
A city clinic that still drives out. Their large-animal page claims experienced care for “horses, cows, pigs, sheep, goats, and poultry”, and says “the doctors at Northwest Animal Hospital provide farm calls so that your large animals (plus those cagey little chickens) that can't be transported can still get the quality healthcare they need.”
Monday – Friday: 7 a.m. – 6 p.m. Saturday and Sunday: CLOSED
SOURCE · northwestanimalhospital.com · checked 9 Aug 2026
Mixed practice out on Highway 36. The site offers “medical and surgical services for a wide variety of animals, including, but not limited to, cats, dogs, horses, cows, pigs, sheep, and goats”. It never says they drive out, so they are not in the farm-call lane.
Mon – Fri: 8am-5:30pm | 1st and 3rd Sat every month: 8am-12pm
SOURCE · sealyanimalhospital.com · checked 9 Aug 2026
Mixed animal practice. “Whether you're tending to herds of cattle, shearing sheep, or raising pigs, we offer full service veterinary care.” On the road: “Our mobile services for food animals include herd health consultations, vaccinations, and reproductive care.” and “We're mobile for our large animal patients.”
Monday: 7:30am - 12:00pm & 1:00 - 5:30pm | Tuesday: 7:30am - 12pm & 1:30pm - 5:30pm | Wednesday–Friday: 7:30am - 12:00pm & 1:00 - 5:30pm | Saturday: 8am - 12pm | Sunday: Closed
SOURCE · starhillvet.com/services · checked 9 Aug 2026
Equine hospital with a field arm: “Waller Equine Hospital has 4 fully equipped ambulatory vehicles making it possible to provide many services to you and your horse in a field setting.” The thirty-mile practice area is printed with the farm-call listing below.
Mon – Fri: 8AM – 5PM, Sat: 10AM - 2PM, Emergency 24/7
SOURCE · wallerequine.com/ambulatory · checked 9 Aug 2026
Down toward the coast, and mostly on the road: “We primarily operate via farm-call mobile services, however can see haul-in animals that are well-behaved/halter broke.” Food-animal work runs to herd health evaluations, pregnancy diagnosis, obstetrics — calving problems — and castration and dehorning; on the equine side, colic and foaling.
Mon- Fri: 7:30-5:00 PM | Sat: 8:00-12:00 PM
SOURCE · wildpeachvet.com · checked 9 Aug 2026
North of Conroe, and the widest species list in the ring — their large-animal page names horses, cattle, sheep, goats, pigs and poultry. “Fully stocked with specialized tools, supplies, and medications, we come to you to treat and soothe your large animals with on-site convenience.”
Monday–Friday: 7 a.m.–6 p.m. Saturday & Sunday: Closed
SOURCE · willisanimalhospital.com · checked 9 Aug 2026
The other half of the same errand
The vet is one number. The farm you're driving to is in the Almanac.
Tramel Farms keeps the sister book — the working farms, stands and homesteads on this same ring. Same rule about not making things up, different page. The farms near Houston keep this book honest: same counties, same roads out to Waller, Bellville and Brazoria, checked the same way.
SAME RING · SAME COUNTIES · DIFFERENT BOOK
The Houston ring on the Almanac ↗Poultry
& goats
The hardest lane to fill honestly. A practice is in here only if its own site names chickens, goats or both. “Exotics” alone does not count, and neither does a photo of a hen.
Names both: care for “horses, cows, pigs, sheep, goats, and poultry”, and farm calls “so that your large animals (plus those cagey little chickens) that can't be transported can still get the quality healthcare they need.”
Monday – Friday: 7 a.m. – 6 p.m. Saturday and Sunday: CLOSED
SOURCE · northwestanimalhospital.com · checked 9 Aug 2026
Goats, plainly, in a list that runs “cats, dogs, horses, cows, pigs, sheep, and goats”. No chickens anywhere on the site — so they are in this lane for goats only.
Mon – Fri: 8am-5:30pm | 1st and 3rd Sat every month: 8am-12pm
SOURCE · sealyanimalhospital.com · checked 9 Aug 2026
Their large-animal page names goats and poultry both, in the list of what the mobile unit comes out for. “Fully stocked with specialized tools, supplies, and medications, we come to you to treat and soothe your large animals with on-site convenience.”
Monday–Friday: 7 a.m.–6 p.m. Saturday & Sunday: Closed
SOURCE · willisanimalhospital.com · checked 9 Aug 2026
CHICKENS, SPECIFICALLY — TWO
All three above say goats on their own website. Only Northwest and Willis say poultry — Sealy stops at goats, and we are not going to move them up on a hunch. In a metro this size that is a thin lane, and it is the honest number: two practices near Houston have put chickens in writing, and the rest of this ring hasn't.
Farm call
They come to you, and their own site says so. Where the site puts a limit on it — a mileage ring, a client-only rule, a preference for hauling in — the limit is printed with the listing instead of being smoothed over.
“Becker Equine provides ambulatory veterinary care and consulting services throughout Texas, Kentucky, New Jersey, Pennsylvania, and select national and international locations.” No mileage ring stated anywhere on the site.
8AM – 6PM; Emergency: 24/7
SOURCE · beckerequine.com/veterinary-services/consulting · checked 9 Aug 2026
The whole Houston operation is the farm call: “We Bring The Hospital To Your Horse”, working “On the Farm ~ Horse Sale ~ Shows ~ Trail Rides ~ Rodeos”. Nothing on the page limits where they'll drive.
Monday - Friday - Call for Appointment
SOURCE · equinesportsmedicine.com/locations/houston · checked 9 Aug 2026
Urgent cases are taken “both in the field and in the hospital.” — the field half is the farm call, and it is the same 24/7 line that puts them in the lantern above.
Regular weekday hours are not published on the clinic's site.
SOURCE · katyequineclinictx.com · checked 9 Aug 2026
“the doctors at Northwest Animal Hospital provide farm calls so that your large animals (plus those cagey little chickens) that can't be transported can still get the quality healthcare they need.” The plainest farm-call sentence in the ring.
Monday – Friday: 7 a.m. – 6 p.m. Saturday and Sunday: CLOSED
SOURCE · northwestanimalhospital.com · checked 9 Aug 2026
“We're mobile for our large animal patients.” The mobile work is spelled out as “herd health consultations, vaccinations, and reproductive care” for food animals.
Monday: 7:30am - 12:00pm & 1:00 - 5:30pm | Tuesday: 7:30am - 12pm & 1:30pm - 5:30pm | Wednesday–Friday: 7:30am - 12:00pm & 1:00 - 5:30pm | Saturday: 8am - 12pm | Sunday: Closed
SOURCE · starhillvet.com/services · checked 9 Aug 2026
Four trucks: “Waller Equine Hospital has 4 fully equipped ambulatory vehicles making it possible to provide many services to you and your horse in a field setting.” They also put their own ring on it — “Our practice area consists of any farm within a 30 mile radius of our hospital.” Thirty miles from Waller, printed the way they wrote it.
Mon – Fri: 8AM – 5PM, Sat: 10AM - 2PM, Emergency 24/7
SOURCE · wallerequine.com/ambulatory · checked 9 Aug 2026
Farm call first, clinic second: “We primarily operate via farm-call mobile services, however can see haul-in animals that are well-behaved/halter broke.” The only practice in this ring that says the truck is the main way it works.
Mon- Fri: 7:30-5:00 PM | Sat: 8:00-12:00 PM
SOURCE · wildpeachvet.com · checked 9 Aug 2026
“Fully stocked with specialized tools, supplies, and medications, we come to you to treat and soothe your large animals with on-site convenience.” Their mobile unit covers the widest species list in the ring — horses, cattle, sheep, goats, pigs and poultry.
Monday–Friday: 7 a.m.–6 p.m. Saturday & Sunday: Closed
SOURCE · willisanimalhospital.com · checked 9 Aug 2026
How this page was made
Checked 9 August 2026 · 13 practicesTheir site or nothing
Every name, number, address, hour and overnight claim on this page was read off the practice's own website on 9 August 2026. No Yelp, no map cards, no directory scrapes. Where a practice does not publish a thing — Katy Equine's weekday hours, for one — the line says so instead of filling in.
Lanes are claims, not guesses
A practice is in the large-animal, poultry, goat or farm-call lane because its own site says it treats those animals or drives out. Sealy names goats and never names a chicken, so it is not in this ring's poultry count. That is the whole method.
No status lights, no stars
Hours are quoted, never rendered as “open now” — the day a clinic closes early is exactly the day a status light gets you killed on the drive. No ratings, no reviews, no sponsored placements, no affiliate links. Order is by lane and species, then alphabetical.