47 places offer this. 45 list prices; for the rest, call and ask before you go.
Heartworm test: $15 to $53 at the 28 places that publish a price, typically $30.
Lowest to highest, from each place's own price list. Packages and add-ons are left out. Prices change, so confirm when you call. Compare other cities.
Showing 10 of 47 places ·
Spay / neuter clinic · 2401 Westport Pkwy, Ste. 140, Fort Worth
Cat spay/neuter from $35
Nonprofit spay and neuter for dogs and cats, Monday through Thursday by appointment. Cats $35-$45, dogs $55-$65. Feral cats in live traps are fixed free for the first 12 in line.
Checked Nov 7, 2026 on the clinic's website
Spay / neuter clinic · 2400 SE Green Oaks Blvd, Arlington
Cat spay/neuter from $35
Nonprofit spay and neuter for dogs and cats, Monday, Wednesday and Friday by appointment. Cats $35-$45, dogs $55-$65. Feral cats in live traps are fixed free for the first 12 in line.
Checked Nov 7, 2026 on the clinic's website
Spay / neuter clinic · 1235 Northwest Highway, Garland
Cat spay/neuter from $35
Nonprofit spay and neuter for dogs and cats, Tuesday through Thursday by appointment. Cats $35-$45, dogs $55-$65. Feral cats in live traps are fixed free for the first 12 in line.
Checked Nov 7, 2026 on the clinic's website
Spay / neuter clinic · 111 N. Greenville Ave, Suite A, Allen
Cat spay/neuter from $35
Nonprofit spay and neuter for dogs and cats, Monday, Tuesday, Wednesday and Friday by appointment. Cats $35-$45, dogs $55-$65. Feral cats in live traps are fixed free for the first 12 in line.
Checked Nov 7, 2026 on the clinic's website
Spay / neuter clinic · 713 Sunset Street, Denton
Cat spay/neuter from $35
Nonprofit spay and neuter for dogs and cats, Monday through Thursday by appointment. Cats $35-$45, dogs $55-$65. Feral cats in live traps are fixed free for the first 12 in line.
Checked Nov 7, 2026 on the clinic's website
Spay / neuter clinic · 2247 S Buckner Blvd, Ste 110, Dallas
Cat spay/neuter from $55
Nonprofit spay and neuter for dogs and cats in southeast Dallas. Cats $55-$65, dogs $85-$135 by weight. Surgery check-in 7am, appointment encouraged. Unowned and feral cats taken walk-up at 9am.
Checked Nov 7, 2026 on the clinic's website
Spay / neuter clinic · 3117 E Seminary Dr, Fort Worth
Cat spay/neuter from $55
Nonprofit spay and neuter for dogs and cats in southeast Fort Worth, Tuesday-Friday. Cats $55-$65, dogs $85-$135 by weight. Unowned and feral cats taken walk-up at 9am. Free pet food while it lasts.
Checked Nov 7, 2026 on the clinic's website
Spay / neuter clinic · Mobile / rotating sites
Drop your pet at a pickup spot near you; a shuttle takes it to surgery and brings it back the same day. At North Texas transport spots, spay or neuter is $20 with rabies shot, microchip and core vaccine included. $40 deposit.
Checked Nov 7, 2026 on the clinic's website
Spay / neuter clinic · Mobile / rotating sites
Spay and neuter surgery on a clinic bus parked at the West Dallas Multipurpose Center on set dates. Check in at 7am, pick up at 4pm. Book ahead; no shots-only visits on bus days.
Checked Nov 7, 2026 on the clinic's website
Spay / neuter clinic · 2309 Chester St., Fort Worth
Cat spay/neuter from $60
Low-cost spay and neuter in Fort Worth for any North Texas resident, no income check. Cats $60-$70, dogs $80-$110. Free surgery for low-income families through a state grant. Appointment and $30 deposit required.
Checked Nov 7, 2026 on the clinic's website
Spay / neuter clinic · 1260 W Round Grove Road #400, Lewisville
Cat spay/neuter $100
Affordable spay and neuter in Lewisville, Monday-Thursday. Cats $100, dogs $125-$275 by weight. Community/feral cats in live traps are $50, walk-in 7:30-8:30am, up to 10 a day.
Checked Nov 7, 2026 on the clinic's website
Spay / neuter clinic · 5601 Basswood Blvd #169, Fort Worth
Cat spay/neuter from $95
Low-cost spay and neuter in north Fort Worth with exam, anesthesia, pain medicine and cone included. Cats $95-$125, dogs $105-$195 by weight. Deposit needed to book; check in 8-9am.
Checked Nov 7, 2026 on the clinic's website
Spay / neuter clinic · Mobile / rotating sites
Cat spay/neuter $60
Mobile low-cost spay and neuter trailer with DFW stops in Mesquite, Fort Worth and McKinney. Cats $60, dogs $70-$130 by weight. Book a drop-off time online; pets must be 6 years or younger.
Checked Nov 7, 2026 on the clinic's website
County shelter · 2400 Lone Star Dr, Dallas
Heartworm test $25
Low-cost exams, shots, spay or neuter and heartworm treatment in Dallas. Book online with a $35 deposit; some walk-ins Monday to Thursday, 9am to 2pm. Exam $35, rabies shot $14, cat spay $70.
Checked Nov 7, 2026 on the clinic's website
Assistance program · 2309 Chester St., Fort Worth
Free shots, microchip, flea and tick care and heartworm testing and prevention for pets of low-income seniors. Tuesdays at the HSNT clinic in Fort Worth, by appointment as funding allows.
Checked Nov 7, 2026 on the program's website
Nonprofit clinic · 1200 Overlook Terrace, STE C, Fort Worth
Heartworm test $25
Nonprofit in Fort Worth known for low-cost heartworm treatment ($350-$650 by weight). Also shots, dental and spay or neuter. Wednesdays and Thursdays by appointment plus one weekend a month. No sick visits.
Checked Nov 7, 2026 on the clinic's website
Nonprofit clinic · 5121 Collin McKinney Parkway, Ste 1200, McKinney
Heartworm test $35
Nonprofit clinic in McKinney for shots, spay or neuter, dental and basic care. Walk in for exams weekdays 9am to noon; exam $45. Adult cat shot package $55. Not a full-service vet: no x-rays.
Checked Nov 7, 2026 on the clinic's website
Assistance program · 5121 Collin McKinney Parkway, Ste 1200, McKinney
Rabies shot $10
Help paying for care at Legacy Humane Veterinary Clinic in McKinney if you can't afford even its low prices. Covers routine care and bigger lifesaving treatment. Apply online with ID and proof of income.
Checked Nov 7, 2026 on the program's website
Low-cost private clinic · 3202 W Irving Blvd, Ste 102, Irving
Vet visit from $35
Low-cost full-service vet in Irving for check-ups, shots, spay or neuter, dental and sick pets. Office visit $49. Book an appointment or call; walk-ins are not being taken right now.
Checked Nov 7, 2026 on the clinic's website
Assistance program · Dallas
Pays for basic vet care (yearly shots, heartworm and flea prevention) and delivers pet food for low-income Dallas County seniors age 67 and up. Other vet needs considered case by case.
Checked Nov 7, 2026 on the program's website
Assistance program · Fort Worth
Free yearly vet exam, core shots and a year of flea and heartworm prevention for pets of Meals on Wheels clients in Tarrant County. Ask your Meals on Wheels case manager to enroll.
Checked Nov 7, 2026 on the program's website
Vaccine clinic · Mobile / rotating sites
Heartworm test $29
Walk-up shot clinics in store parking lots across Dallas every weekend. Rabies is $10 and a yearly dog shot package is $69. No appointment.
Checked Nov 7, 2026 on the clinic's website
Vaccine clinic · Mobile / rotating sites
Heartworm test $29
Walk-up shot clinics at store parking lots around Fort Worth every weekend. Rabies is $10 and a yearly dog shot package is $69. No appointment.
Checked Nov 7, 2026 on the clinic's website
Vaccine clinic · Mobile / rotating sites
Heartworm test $29
Walk-up shot clinic in Arlington every Saturday, 9am to 4pm, at one of two sites. Rabies is $10. No appointment.
Checked Nov 7, 2026 on the clinic's website
Vaccine clinic · Mobile / rotating sites
Heartworm test $29
Walk-up shot clinics in Garland and east Dallas every Sunday, 10am to 4pm. Rabies is $10 and a yearly cat package is $70. No appointment.
Checked Nov 7, 2026 on the clinic's website
Vaccine clinic · 3202 W Irving Blvd, Irving
Heartworm test $29
Walk-up shot clinic every Sunday, 10am to 4pm, next to Home Depot on W Irving Blvd. Rabies is $10. No appointment.
Checked Nov 7, 2026 on the clinic's website
Vaccine clinic · 4325 Lovers Ln, Dallas
Heartworm test $53
Book ahead for shots inside this Petco. Rabies is $41 and the yearly dog package is $155. Appointments only; no sick visits.
Checked Nov 7, 2026 on the clinic's website
Vaccine clinic · 5600 Overton Ridge Blvd, Fort Worth
Heartworm test $53
Book ahead for shots inside this Petco. Rabies is $41 and the yearly dog package is $155. Appointments only; no sick visits.
Checked Nov 7, 2026 on the clinic's website
Vaccine clinic · 4001 W Green Oaks Blvd, Arlington
Heartworm test $53
Book ahead for shots inside this Petco. Rabies is $41 and the yearly dog package is $155. Appointments only; no sick visits.
Checked Nov 7, 2026 on the clinic's website
Vaccine clinic · 8700 Preston Rd, Plano
Heartworm test $53
Book ahead for shots inside this Petco. Rabies is $41 and the yearly dog package is $155. Appointments only; no sick visits.
Checked Nov 7, 2026 on the clinic's website
Vaccine clinic · 2640 W University Dr, Denton
Heartworm test $53
Book ahead for shots inside this Petco. Rabies is $41 and the yearly dog package is $155. Appointments only; no sick visits.
Checked Nov 7, 2026 on the clinic's website
Vaccine clinic · 5541 Sierra Springs Ln, Fort Worth
Heartworm test $48
Walk in or pre-register for this shot clinic inside Pet Supplies Plus, every Saturday morning. Rabies is $40 and the basic dog package is $88, plus small fees.
Checked Nov 7, 2026 on the clinic's website
Vaccine clinic · 1031 Northwest Hwy, Garland
Heartworm test $48
Walk in or pre-register for this shot clinic inside Pet Supplies Plus, about once a month on a Sunday. Rabies is $40 and the basic dog package is $88, plus small fees.
Checked Nov 7, 2026 on the clinic's website
Vaccine clinic · 1740 N Belt Line Rd, Mesquite
Heartworm test $48
Walk in or pre-register for this shot clinic inside Tractor Supply, every other Saturday evening. Rabies is $40 and the basic dog package is $88, plus small fees.
Checked Nov 7, 2026 on the clinic's website
Vaccine clinic · 1550 FM 157, Mansfield
Heartworm test $48
Walk in or pre-register for this shot clinic inside Tractor Supply, every other Saturday afternoon. Rabies is $40 and the basic dog package is $88, plus small fees.
Checked Nov 7, 2026 on the clinic's website
Vaccine clinic · 3350 N Central Expy, McKinney
Heartworm test $48
Walk in or pre-register for this shot clinic inside Tractor Supply, every Sunday afternoon. Rabies is $40 and the basic dog package is $88, plus small fees.
Checked Nov 7, 2026 on the clinic's website
Vaccine clinic · 1325 Inwood Rd, Dallas
Heartworm test $28
Low-cost shot clinic at Elliott's Hardware on the second Saturday of every month, 9am to 4pm. Rabies is $20 and a dog shot combo is $64. No appointment.
Checked Nov 7, 2026 on the clinic's website
Vaccine clinic · 3404 Belt Line Rd, Farmers Branch
Heartworm test $28
Low-cost shot clinic at Surplus Building Materials on the fourth Saturday of every month, 9am to 4pm. Rabies is $20 and a dog shot combo is $64. No appointment.
Checked Nov 7, 2026 on the clinic's website
Vaccine clinic · 10600 Camp Bowie W Blvd, Fort Worth
Heartworm test $28
Low-cost shot clinic at Russell Feed and Supply on the third Saturday of every month, 9am to 4pm. Rabies is $20 and a dog shot combo is $64. No appointment.
Checked Nov 7, 2026 on the clinic's website
Vaccine clinic · 5000 E Belknap St, Haltom City
Heartworm test $28
Low-cost shot clinic at Russell Feed and Supply on the second Saturday of every month, 9am to 4pm. Rabies is $20 and a dog shot combo is $64. No appointment.
Checked Nov 7, 2026 on the clinic's website
Vaccine clinic · 1625 N Crowley Rd, Crowley
Heartworm test $28
Low-cost shot clinic at Russell Feed and Supply on the second Sunday of every month, 9am to 4pm. Rabies is $20 and a dog shot combo is $64. No appointment.
Checked Nov 7, 2026 on the clinic's website
Vaccine clinic · Mobile / rotating sites
Heartworm test $42
Weekend pop-up shot clinics at stores in Mesquite, Cedar Hill and nearby. Rabies is $32; the basic dog shot package is $110. Book online or walk up.
Checked Nov 7, 2026 on the clinic's website
Vaccine clinic · Mobile / rotating sites
Heartworm test $42
Weekend pop-up shot clinics at farm stores in Fort Worth and Crowley. Rabies is $32; the basic dog shot package is $110. Book online or walk up.
Checked Nov 7, 2026 on the clinic's website
Vaccine clinic · Mobile / rotating sites
Heartworm test $30
Low-cost shot clinics on a set schedule in Arlington, Mansfield and east Fort Worth, including Sunday and Tuesday evenings in Arlington. Rabies is $20; a full dog package is $125.
Checked Nov 7, 2026 on the clinic's website
Vaccine clinic · Mobile / rotating sites
Weekend pop-up shot clinic, Saturdays in north Dallas and Sundays in Garland, 9am to 4pm. A yearly dog or cat shot package is $65.
Checked Nov 7, 2026 on the clinic's website
Vaccine clinic · 3630 N Shiloh Rd, Suite 201, Garland
Heartworm test $15
Very low-cost shot clinic in Garland on the first Sunday and third Saturday of each month. Rabies is $10 and a yearly dog shot package is $30.
Checked Nov 7, 2026 on the clinic's website
Vaccine clinic · Mobile / rotating sites
Heartworm test $25
Pop-up shot clinics around Fort Worth and Azle, usually 1pm to 3pm, no appointment. Rabies and DHPP shots are $10 each. Call 817-733-4000 for the next date and place.
Checked Nov 7, 2026 on the clinic's website
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