Every price links to its source · Prices checked 7 October 2026 · No program pays to be listed
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Cost guide · Houston and Phoenix

How much does it cost to spay a dog?

In Houston, a female dog spay at a low-cost program costs $125 to $215 out the door for a 50 lb dog, and the middle of the 8 posted prices is $172. In Phoenix it costs $0 to $315 for a 50 lb dog, with a middle of $208.50 across 16 programs.

These are the prices low-cost programs post on their own pages in two metros, Houston and Phoenix, checked 7 October 2026. They are not a national average, and a full-service vet usually charges more.

In Phoenix the lowest, $0 at One Love Arizona Free Spay & Neuter Program, comes with rules about who qualifies; the lowest with no owner rules posted is $170 at Altered Tails Barnhart Clinic.

Out the door

Female dog spay prices by weight

Out the door is the base price plus extras the program always adds, minus a current special. The middle is the median: half the programs charge less, half more. Programs that post a price but have no date to book right now are counted separately.

Houston · Harris County
WeightProgramsRangeMiddle
25 lb 8+3 with no dates right now $125 to $180 $158.50
50 lb 8+3 with no dates right now $125 to $215 $172
75 lb 7+3 with no dates right now $125 to $245 $190
100 lb 7+2 with no dates right now $125 to $375 $230
Phoenix · Maricopa County
WeightProgramsRangeMiddle
25 lb 17 $0 to $245 $187
50 lb 16 $0 to $315 $208.50
75 lb 13 $0 to $315 $238
100 lb 12 $0 to $345 $287.50

Each weight links to the full comparison, with every program's price, its parts and who qualifies.

In the price

What most prices include

How many of the 29 programs that post a female dog spay price say the price includes each item. A program whose page does not say is not counted.

  • Exam7 of 29
  • Anesthesia6 of 29
  • Pain medication14 of 29
  • E-collar6 of 29
  • Microchip4 of 29
  • Rabies vaccine1 of 29

On top of the price

Extras that raise a bill

Charges the programs post for a female dog spay, by how many of the 29 post each one. Some apply only to some pets, such as an older pet. 6 programs add a required extra to every female dog spay; the totals above already include it.

  • Pre-surgical bloodwork10 of 29
  • E-collar (cone)12 of 29
  • Pain medication to take home8 of 29
  • Rabies vaccine9 of 29

Each clinic may require bloodwork or vaccines on the day; check its own page.

If she is in heat, pregnant or has had litters

What a female dog spay costs when she is in heat or pregnant

A female dog spay can cost more when the female dog is in heat, pregnant, or nursing or has had litters. These are the charges programs post for it, on top of the totals above. Most clinics decide on the day, at the exam.

Posted charges for a female dog spay, from 29 programs with a posted price in Houston and Phoenix
WhenPrograms that post a chargePosted charges
In heat 13 of 29 (2 without an amount) $15 to $120
Pregnant 17 of 29 (2 without an amount) $15 to $120
After litters, nursing or a C-section 5 of 29 $20 to $120
In heat: each program's charge (13)
Pregnant: each program's charge (17)
After litters, nursing or a C-section: each program's charge (5)

In Houston, the middle female dog spay price at 50 lb is $172, against $144.50 for a male dog neuter. In Phoenix, the middle female dog spay price at 50 lb is $208.50, against $180 for a male dog neuter.

$50 or less

Free and nearly free

Programs that post a female dog spay price of $50 or less, at a clinic, by voucher or on dated days. Most have rules about who qualifies.

How these prices are counted

The standard cases are a female dog at 25, 50, 75 and 100 lb. Each program's total is worked out from its own posted price list with the same rules on every page of this site, and each program page shows the parts. Costs that depend on the pet, and optional extras, are listed beside the totals, never inside them. How we check

How much does it cost to spay a cat?How much does it cost to neuter a dog?How much does it cost to neuter a cat?

Follow the facts

Sources

The prices above come from these 31 programs' own pages, each with the date we checked it. Not an on-site check.