Phoenix · Nonprofit clinic
Altered Tails Barnhart Clinic
950 W Hatcher Rd, Phoenix, AZ 85021 · 602 943 7729
OpenChecked 7 October 2026
Female dog spay, 50 lb
$170out the door
$200 base (31 - 50 lbs), minus $30 special through 31 October 2026
$200out the door
$200 base (31 - 50 lbs), no required extras
Special ends 31 October 2026
Other pets and weights →October special · ends 31 October 2026
$30 off dogs. $15 off cats.
Companion pets; surgeries performed in October 2026; space limited; list the special in the booking notes. Checked 7 October 2026. Already taken off the totals below.
In the program's own words
$30 OFF for Surgeries Performed this month- OCTOBER 2026!
alteredtails.org, checked 7 October 2026$15 OFF for Surgeries Performed this month- OCTOBER 2026!
alteredtails.org, checked 7 October 2026
Before you book
- Who qualifies
- Owned pets, 2 months to 7 years 11 months
- How to book
- Online and by phone
- Deposit
- $20, goes toward the bill
- Extras always added
- None posted
Out the door, with October's special
Spay and neuter packages
The price you pay for a standard case, with the October special already taken off ($30 for dogs and $15 for cats). Costs that depend on your pet are listed below.
Dogs
Female dog spay
- Female dog spay, 25 lb$172 base (03 - 30 lbs), minus $30 special$142
- Female dog spay, 25 lb$172 base (03 - 30 lbs), no required extras$172
- Female dog spay, 50 lb$200 base (31 - 50 lbs), minus $30 special$170
- Female dog spay, 50 lb$200 base (31 - 50 lbs), no required extras$200
- Female dog spay, 75 lb$240 base (51 - 80 lbs), minus $30 special$210
- Female dog spay, 75 lb$240 base (51 - 80 lbs), no required extras$240
- Female dog spay, 100 lb$265 base (81 lbs and over), $1 per pound over 81 lb: $19, minus $30 special$254
- Female dog spay, 100 lb$265 base (81 lbs and over), $1 per pound over 81 lb: $19$284
Male dog neuter
- Male dog neuter, 25 lb$157 base (03 - 30 lbs), minus $30 special$127
- Male dog neuter, 25 lb$157 base (03 - 30 lbs), no required extras$157
- Male dog neuter, 50 lb$167 base (31 - 50 lbs), minus $30 special$137
- Male dog neuter, 50 lb$167 base (31 - 50 lbs), no required extras$167
- Male dog neuter, 75 lb$202 base (51 - 80 lbs), minus $30 special$172
- Male dog neuter, 75 lb$202 base (51 - 80 lbs), no required extras$202
- Male dog neuter, 100 lb$240 base (81 lbs and over), $1 per pound over 81 lb: $19, minus $30 special$229
- Male dog neuter, 100 lb$240 base (81 lbs and over), $1 per pound over 81 lb: $19$259
Cats
- Female cat spay$105 base, minus $15 special$90
- Female cat spay$105 base, no required extras$105
- Male cat neuter$85 base, minus $15 special$70
- Male cat neuter$85 base, no required extras$85
At 100 lb, the $19 extra is $1 per pound over 81 lb.
Checked 7 October 2026.
The full price list
Find your pet's base price
Base prices as the clinic states them, before the special or costs that depend on your pet.
| Weight | Female dog spay | Male dog neuter |
|---|---|---|
| 03 - 30 lbs | $172 | $157 |
| 31 - 50 lbs | $200 | $167 |
| 51 - 80 lbs | $240 | $202 |
| 81 lbs and over | $265 + $1 per pound over 81 lb | $240 + $1 per pound over 81 lb |
| Female cat spay | $105 |
|---|---|
| Male cat neuter | $85 |
Checked 7 October 2026
In the program's own words
FEMALE Cat Spay $105 YR 2026
alteredtails.org, checked 7 October 2026MALE Cat Neuter $85 YR 2026
alteredtails.org, checked 7 October 2026Year: 2026 03 - 30 lbs $157 31 - 50 lbs $167
alteredtails.org, checked 7 October 202651 - 80 lbs $202
alteredtails.org, checked 7 October 202681 lbs and over $240 + $1 per pound over 81 lbs
alteredtails.org, checked 7 October 2026Year: 2026 03 - 30 lbs $172 31 - 50 lbs $200
alteredtails.org, checked 7 October 202651 - 80 lbs $240
alteredtails.org, checked 7 October 202681 lbs and over $265 + $1 per pound over 81 lbs
alteredtails.org, checked 7 October 2026
Not in the package prices
Costs that depend on your pet
The clinic adds these only when they apply to your pet.
Dogs and cats
- Pre-surgical bloodwork$65Pet aged 5 to 7 years (pets 8 and older are not accepted)
Dogs
- Cryptorchid surcharge$50 to $100Male cryptorchid (must book by phone). Male dog neuter
- In heat or pregnant surcharge$40 to $75Female in heat or pregnant. Female dog spay
- Previous litters or C-section surcharge$35 to $100Previous litters or C-section(s). Female dog spay
- Pyometra surgery feeamount not postedPyometra; price by phone. Female dog spay
Cats
- Additional surgical charge$30 to $75Female in heat, pregnant or with a hydrometra; male cryptorchid
- Pyometra surgery feeamount not postedPyometra; price by phone. Female cat spay
Optional: an e-collar
Your choice on the day. Never added to the package prices.
- E-collar, cats$15
- E-collar, dogs$15 to $30
Each clinic may require bloodwork or vaccines on the day; check its own page.
In the program's own words
We require bloodwork for all patients between the ages of 5-7 years old.
alteredtails.org, checked 7 October 2026$30 - $75 may apply if a female is in heat, pregnant, has a hydrometra
alteredtails.org, checked 7 October 2026Please contact the clinic directly for Pyometra additional fees.
alteredtails.org, checked 7 October 2026Male Cryptorchid (one or both testicles have not dropped): $50 - $100
alteredtails.org, checked 7 October 2026Female In-heat or pregnant: $40 - $75
alteredtails.org, checked 7 October 2026Previous litters/C-section(s): $35 - $100
alteredtails.org, checked 7 October 2026Please contact the clinic directly for the cost of a Pyometra surgery.
alteredtails.org, checked 7 October 2026E-Collar (cone collar) $15
alteredtails.org, checked 7 October 2026E-Collar (cone collar) $15-30
alteredtails.org, checked 7 October 2026
What the price includes
- Exam
- Sedation
- Anesthesia
- Pain medication
In the program's own words
includes the complete vet exam, sedation, anesthesia, surgery, and 3 days of post-op pain medication
alteredtails.org, checked 7 October 2026
Who qualifies
- Your pet
- Owned pets only
- Pet age
- 2 months to 7 years 11 monthsThe page says:
at least 2 months of age ... Oldest age accepted: 7 years and 11months old
- Cats: weight
- At least ... 2 pounds on the day of surgery
- Dogs: weight
- At least ... 2 pounds on the day of surgery
- Also
- Owner 18 or older; cats must be indoor owned pets (stray or outdoor cats go to the separate TNR booking); no new rescue partners.
In the program's own words
Your pet must be at least 2 months of age and 2 pounds
alteredtails.org, checked 7 October 2026
Your next step
Book with the clinic
$20 now, credited to your bill
Credited: it goes toward your total. Not refundable, the page says. The page says: A $20 NON-REFUNDABLE deposit, per pet ... will be applied towards your total amount due.
- How to book: Online and by phone.
- Online booking after agreeing to the guidelines.
- Male dogs with undescended testicles and pets 5 and older (bloodwork first) must call 602-943-7729.
- The deposit is refunded only if the pet is declined for health concerns.
- Payment due on the day: cash (no bills over $20) or card; no checks or CareCredit.
In the program's own words
The deposit will be applied towards your total amount due.
alteredtails.org, checked 7 October 2026
Before you book
Compare nearby
The three nearest other Phoenix programs that post a price for a female dog spay at 50 lb, by straight-line distance. See all 16 priced programs.
Arizona Humane Society Veterinary Clinics (Sunnyslope and South Mountain) $235 out the door Female dog spay, 50 lb · 0.2 miles away · Phoenix Dr. Kelly's Surgical Unit $222 out the door Female dog spay, 50 lb · 7.8 miles away · Phoenix PAWS - The Modern Spay Neuter Clinic $185 out the door Female dog spay, 50 lb · 7.8 miles away · Phoenix
Follow the facts
Sources
Every fact on this page comes from the program's own pages, with what each page backs and the date we checked it. Not an on-site check.
- Prices, extras and what is included Feline Services page, from 'FELINE SERVICES Prices below' through the cat neuter and spay prices, Additional Charges and Pre-surgical Bloodwork, up to the '2026 PRICING' note. Page states "YR 2026".
- alteredtails.org · Checked 7 October 2026
- Special Feline Services page, the monthly cat special block at the bottom, just above the 'TOP' footer link.
- alteredtails.org · Checked 7 October 2026
- Extras Feline Services page, 'Additional Services - Provided day-of surgery', the E-Collar entry.
- alteredtails.org · Checked 7 October 2026
- Prices, extras, what is included and special Canine Services page, from 'CANINE SERVICES Prices below' through the male and female dog grids, their additional charges and the monthly dog special, up to 'Pre-surgical Bloodwork'. Page states "Year: 2026".
- alteredtails.org · Checked 7 October 2026
- Extras Canine Services page, 'Additional Services - Provided day-of surgery', the E-Collar entry.
- alteredtails.org · Checked 7 October 2026
- Location Location and Hours page, the clinic address block under LOCATION.
- alteredtails.org · Checked 7 October 2026
- Status, who qualifies and booking Online Booking page, 'Surgery Appointment Guidelines' list above the check-in times.
- alteredtails.org · Checked 7 October 2026