Mastiff Adoption in Oceanside, CA: Mastiff Puppies for Sale in Oceanside, CA

Adopt a Mastiff near you in Oceanside, California

We don't see any Mastiffs available for adoption right now, but new adoptable pets are added every day. Try a different search below!

Or, how about these Mastiffs in cities near Oceanside, California

These Mastiffs are available for adoption close to Oceanside, California.

Rowdy

Mastiff Mixed Breed (Large)

Male, Young

Carlsbad, CA

Size

(when grown) Large 61-100 lbs (28-45 kg)

Details

House-trained, Spayed or Neutered, Shots are up-to-date,

Story

Exciting News: This adorable pup can be at an adoption event NEAR YOU! First check our website to make sure the pup is still available for adoption: https://amazingdogsrescue.org/ap-dogs Or call or text 888.508.8943 (Monday to Sunday, 8 AM to 8 PM). Our medical team does everything they can to ensure the health of our dogs before they are placed up for adoption, which includes (but is not limited to): - Vaccinations against Parvovirus, Distemper, Adenovirus and Parainfluenza (all dogs have at least 2 of these vaccines (value $60+), puppies at least 3 (value $90+)) - Vaccination against Bordetella and Leptospirosis (value $40+) - Vaccination against Rabies (dogs 5+ months; value $20+) - Test (Idexx Snap 4Dx) for Heartworm, Lyme's disease, Anaplasmosis and Ehrlichiosis (for adult dogs; value $60+) - Recent full panel blood test (value $150+) for all adult dogs - Micro-chip with life long free registration (value $50+) - Deworming (roundworms, hookworms, whipworms and tapeworms; value $20+) - Treatment with Bravecto against fleas and ticks (value $50+) Of course, ALL our dogs are spayed or neutered before going to their new home. These surgeries cost anywhere from $150 to $500+). We even cut their nails for you ... We organize adoption events throughout the states of CA, NV and AZ. Check our website for more information. Here you can check if the pup is still looking for a home: https://amazingdogsrescue.org/ap-dogs Call or text 888.508.8943 (Monday to Sunday, 8 AM to 8 PM) if you have any questions. Check our social media to see the happy pictures of thousands of rescues who found a new loving home through us: https://www.facebook.com/AmazingDogsRescue https://www.instagram.com/AmazingDogsRescue

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Urgent! Please Save me

Mastiff

Male, 3 yrs

San Marcos, CA

Size

(when grown) X-Large 101 lbs (46 kg) or more

Details

House-trained, Spayed or Neutered, Shots are up-to-date,

Story

WE ARE COURTESY POSTING THIS DOG FOR THE MORENO VALLEY ANIMAL SHELTER TO HELP THEM FIND A HOME. The shelter is severely overcrowded and desperately needs help finding adopters. Dogs are being turned in higher numbers than the shelter can accommodate; therefore, many are losing their lives simply due to a lack of cage space. We are helping get the word out about their immediate need. Please save this deserving pooch and clear a kennel for another dog in need today! This beautiful dog is located in the Moreno Valley shelter. Shelter needs to clear kennels. They are over capacity and all available dogs are in urgent need. Please visit or email the shelter directly to adopt. SEE MORE VIDEOS AND PHOTOS HERE: https://myalbum.com/album/UdjEGiZmptv9VU/ STAFF NOTES: * Elliot is a gentle giant * Elliot walks well on a leash * Elliot knows sit * Elliot appears to be potty trained Moreno Valley Animal Shelter 14041 Elsworth Street, Moreno Valley, CA 92553 951-413-3790 Adoption hours: Tuesday - Friday 10 am - 5 pm Saturday 10:30 am - 3:30 pm Closed Sunday-Monday & Holidays

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Urgent! Please Save Me

Mastiff

Female, 7 mos

San Marcos, CA

Size

(when grown) Med. 26-60 lbs (12-27 kg)

Details

Good with dogs, Shots are up-to-date,

Story

WE ARE COURTESY POSTING THIS DOG FOR THE MORENO VALLEY ANIMAL SHELTER TO HELP THEM FIND A HOME. The shelter is severely overcrowded and desperately needs help finding adopters. Dogs are being turned in higher numbers than the shelter can accommodate; therefore, many are losing their lives simply due to a lack of cage space. We are helping get the word out about their immediate need. Please save this deserving pooch and clear a kennel for another dog in need today! This beautiful dog is located in the Moreno Valley shelter. Shelter needs to clear kennels. They are over capacity and all available dogs are in urgent need. Please visit or email the shelter directly to adopt. SEE MORE VIDEOS AND PHOTOS HERE: https://myalbum.com/album/rkVSTeoXSShZmy/ STAFF NOTES: * Macy loves toys and treats * Macy is a sweet puppy * Macy did well on her temperament test with a male Mastiff mix Moreno Valley Animal Shelter 14041 Elsworth Street, Moreno Valley, CA 92553 951-413-3790 Adoption hours: Tuesday - Friday 10 am - 5 pm Saturday 10:30 am - 3:30 pm Closed Sunday-Monday & Holidays

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'SAVE MY LIFE'

Mastiff

Male, 1 yr 8 mos

San Marcos, CA

Size

(when grown) Large 61-100 lbs (28-45 kg)

Details

Good with dogs, House-trained, Spayed or Neutered, Shots are up-to-date,

Story

WE ARE COURTESY POSTING THIS DOG FOR THE MORENO VALLEY ANIMAL SHELTER TO HELP THEM FIND A HOME. The shelter is severely overcrowded and desperately needs help finding adopters. Dogs are being turned in higher numbers than the shelter can accommodate; therefore, many are losing their lives simply due to a lack of cage space. We are helping get the word out about their immediate need. Please save this deserving pooch and clear a kennel for another dog in need today! This beautiful dog is located in the Moreno Valley shelter. The shelter needs to clear kennels. They are over capacity, and all available dogs are in urgent need. Please visit or email the shelter directly to adopt. PACO - ID#A551355 Shelter staff named me PACO, and I am a neutered male, brown and black Mastiff. The shelter thinks I am about 1 year and 6 months old. I weigh approximately 70.60 lbs. SEE MORE VIDEOS AND PHOTOS HERE: https://myalbum.com/album/XM6PgGQr5fuPAr/ STAFF NOTES: * Paco knows sit and shake * Paco appears to be potty trained * Paco loves toys * Paco enjoys sharing a kennel with a spayed Chinese Sharpei mix (Ariel A551354); they prefer to eat separately Moreno Valley Animal Shelter 14041 Elsworth Street, Moreno Valley, CA 92553 951-413-3790 Adoption hours: Tuesday - Friday 10 am - 5 pm Saturday 10:30 am - 3:30 pm Closed Sunday-Monday & Holidays

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Bonded Pair

'SAVE MY LIFE'

Mastiff

Male, 10 mos

San Marcos, CA

Size

(when grown) Large 61-100 lbs (28-45 kg)

Details

Good with dogs, Spayed or Neutered, Shots are up-to-date,

Story

WE ARE COURTESY POSTING THIS DOG FOR THE MORENO VALLEY ANIMAL SHELTER TO HELP THEM FIND A HOME. The shelter is severely overcrowded and desperately needs help finding adopters. Dogs are being turned in higher numbers than the shelter can accommodate; therefore, many are losing their lives simply due to a lack of cage space. We are helping get the word out about their immediate need. Please save this deserving pooch and clear a kennel for another dog in need today! This beautiful dog is located in the Moreno Valley shelter. Shelter needs to clear the kennels. They are over capacity, and all available dogs are in urgent need. Please visit or email the shelter directly to adopt. LEONARDO - ID#A550856 Shelter staff named me LEONARDO, and I am a neutered male, black brindle and white Mastiff mix. The shelter thinks I am about 8 months old I weigh approximately 63.10 lbs. SEE MORE VIDEOS AND PHOTOS HERE: https://myalbum.com/album/UjDVDuxootLhaY/ STAFF NOTES: * Leonardo was Pet of the Week 05/13/2026 * Leonardo knows sit * Leonardo loves playing with toys * Leonardo walks well on a leash * Leonardo is doing well sharing a kennel with a male Pit Bull mix (BERNARDO - ID#A550859) Moreno Valley Animal Shelter 14041 Elsworth Street, Moreno Valley, CA 92553 951-413-3790 Adoption hours: Tuesday - Friday 10 am - 5 pm Saturday 10:30 am - 3:30 pm Closed Sunday-Monday & Holidays

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Urgent! Please Save Me

Mastiff

Male, 7 mos

San Marcos, CA

Size

(when grown) Med. 26-60 lbs (12-27 kg)

Details

Good with dogs, Shots are up-to-date,

Story

WE ARE COURTESY POSTING THIS DOG FOR THE MORENO VALLEY ANIMAL SHELTER TO HELP THEM FIND A HOME. The shelter is severely overcrowded and desperately needs help finding adopters. Dogs are being turned in higher numbers than the shelter can accommodate; therefore, many are losing their lives simply due to a lack of cage space. We are helping get the word out about their immediate need. Please save this deserving pooch and clear a kennel for another dog in need today! This beautiful dog is located in the Moreno Valley shelter. Shelter needs to clear kennels. They are over capacity and all available dogs are in urgent need. Please visit or email the shelter directly to adopt. SEE MORE VIDEOS AND PHOTOS HERE: https://myalbum.com/album/zWdD266qBq6Vop/ STAFF NOTES: * Lion knows sit * Lion loves attention * Lion takes treats gently * Lion did well on his temperament test with a female Mastiff mix Moreno Valley Animal Shelter 14041 Elsworth Street, Moreno Valley, CA 92553 951-413-3790 Adoption hours: Tuesday - Friday 10 am - 5 pm Saturday 10:30 am - 3:30 pm Closed Sunday-Monday & Holidays

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Use the search tool below to browse adoptable Mastiff puppies and adults Mastiff in Oceanside, California.

Mastiff puppies and dogs in Oceanside, California

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Adopt a Mastiff near you in Oceanside, California

We don't see any Mastiffs available for adoption right now, but new adoptable pets are added every day. Try a different search below!

Or, how about these Mastiffs in cities near Oceanside, California

These Mastiffs are available for adoption close to Oceanside, California.

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Mastiff puppies and dogs in nearby cities

Related breeds in Oceanside, California

Mastiff shelters & rescues in Oceanside, California

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Mastiff basics

Mastiff basics

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Mastiff puppies and dogs in Oceanside, California

Learn More:

Adopt a Mastiff near you in Oceanside, California

We don't see any Mastiffs available for adoption right now, but new adoptable pets are added every day. Try a different search below!

Or, how about these Mastiffs in cities near Oceanside, California

These Mastiffs are available for adoption close to Oceanside, California.

Search for a Mastiff puppy or dog

Mastiff puppies and dogs in nearby cities

Related breeds in Oceanside, California

Mastiff shelters & rescues in Oceanside, California

Looking for a specific shelter or rescue?

Want to learn more about adopting a Mastiff puppy or dog?

Mastiff basics

Mastiff basics