9 places offer this. 9 list prices; for the rest, call and ask before you go.
Heartworm test: $20 to $53 at the 8 places that publish a price, typically $44.
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 9 of 9 places
Nonprofit clinic · 4404 E Central Texas Expressway, Suite 300, Killeen
Heartworm test $20
Low-cost shots, microchips and spay or neuter for healthy dogs and cats in east Killeen. Walk in Tuesday, Thursday, Friday or Saturday. Most shots are $17, plus a $20 visit fee. No care for sick or injured pets.
Checked Nov 5, 2026 on the clinic's website
Vaccine clinic · 2002 E. Central Texas Expy., Killeen
Heartworm test $44
Shot clinic at the Killeen Tractor Supply every Saturday, 1pm to 2:30pm. Walk in or sign up online. Rabies $36, dog shot packages from $79.
Checked Nov 5, 2026 on the clinic's website
Vaccine clinic · 620 W. US Hwy 190 Svc Rd, Belton
Heartworm test $44
Shot clinic at the Belton Tractor Supply about every other Sunday, 1pm to 2:30pm. Walk in or sign up online. Rabies $36, dog shot packages from $79.
Checked Nov 5, 2026 on the clinic's website
Vaccine clinic · 22515 SE H.K. Dodgen Loop, Temple
Heartworm test $44
Shot clinic at the Temple Tractor Supply every Saturday, 9:30am to 11am. Walk in or sign up online. Rabies $36, dog shot packages from $79.
Checked Nov 5, 2026 on the clinic's website
Vaccine clinic · 2401 TX-36 Bus, Gatesville
Heartworm test $44
Shot clinic at the Gatesville Tractor Supply one Saturday a month, 9:30am to 11am. Walk in or sign up online. Rabies $36, dog shot packages from $79.
Checked Nov 5, 2026 on the clinic's website
Vaccine clinic · 469 Central Texas Expy., Lampasas
Heartworm test $46
Shot clinic at the Lampasas Tractor Supply about every other Saturday, 4pm to 5:30pm. Walk in or sign up online. Rabies $38, dog shot packages from $84.
Checked Nov 5, 2026 on the clinic's website
Vaccine clinic · 2112 SW H K Dodgen Loop, Temple
Heartworm test $53
Shot clinic inside the Temple Petco at 2112 SW H K Dodgen Loop. By appointment only. Rabies $41, microchip $38. Routine shots and tests only.
Checked Nov 5, 2026 on the clinic's website
Vaccine clinic · 201 E Central Texas Expy, Harker Heights
Heartworm test $53
Shot clinic inside the Harker Heights Petco at 201 E Central Texas Expy. By appointment only. Rabies $41, microchip $38. Routine shots and tests only.
Checked Nov 5, 2026 on the clinic's website
Vaccine clinic · 4219 S Clear Creek Rd, Killeen
Microchip $21
Walk-up shot clinic at the HTeaO on S Clear Creek Rd in Killeen on the 4th Saturday of each month, 9am to 4pm. No appointment. Yearly shots are $69 for dogs and $70 for cats.
Checked Nov 5, 2026 on the clinic's website
Each place shows the date we last checked it on its own website. How we check listings