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Mastiff puppies and dogs in Conshohocken, Pennsylvania

Looking for a Mastiff puppy or dog in Conshohocken, Pennsylvania? Adopt a Pet can help you find an adorable Mastiff near you.

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Adopt a Mastiff near you in Conshohocken, Pennsylvania

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These Mastiffs are available for adoption close to Conshohocken, Pennsylvania.
Photo of Kaiser Dowling

Kaiser Dowling

Mastiff

Male, 3 yrs 1 mo
Philadelphia, PA
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Good with kids, Good with dogs, Spayed or Neutered,
Story
Meet Kaiser Dowling! This energetic and intelligent boy was surrendered to the shelter by his owner when the landlord kicked him out. KD's owner had a lot of great things to say about him! They said he's mostly housetrained, knows several commands, loves kids, is friendly with dogs, and is friendly with cats although he can be scared of them if they come after him! Kaiser Dowling has shown to live up to his description since getting to the shelter. He's energetic and can pull quite a bit on leash, and he's a blast to hang out with! He's super smart and knows commands including sit and down. KD is now looking for an owner to adventure with. Meet him at ACCT Philly any day from 10am-6pm! Videos 📽️ Kaiser Dowling is so smart! https://www.youtube.com/watch?v=l3nOrX6va6c Cuddling Kaiser Dowling: https://www.youtube.com/watch?v=Gu_OLddiIvo Kaiser enjoys meeting people: https://youtube.com/shorts/jtNcywyxvvE?is=YcjpZ1GPc__tEZD5 Kaiser knows sit: https://youtube.com/shorts/p2tYYWOJzGI?is=hN9TucTJk5cK-8Cv ⭐Behavior Notes:⭐ Per Volunteer 8/30/2026: When I approached his kennel, he was standing at the front of it, and greeted me with a loose body and a wagging tail. When I was leashing him, he was trying to push out with his nose, so I had to hold the door sturdy with my knee. He pulls quite a bit on leash and would recommend a harness. In the play yard he is an incredibly gentle and smart boy who is very treat motivated!! He showed me that he knows sit and down and wouldn’t be surprised if there was more that he knew. He went up the A-frame following the treats and he takes treats very gently out of my hands. Super intelligent boy. He also took pets all over from me with a loose body and soft eyes. He resisted going back into his kennel a bit, and I had to step in and use some leash pressure. Playgroup 8/29: Mildly steerable with spray bottle (2/5), not with shake can (0/5). Neutral at gate initially. Eventually began vocalizing with high tail, focusing on Duke's rowdy, fast movements. Upon entering the yard, rushed Duke assertively -- fixatedly pursued him, attempting to nip/mouth and low growling once or twice. Removed from yard shortly afterward. Behavior Eval 8/23/26: Kennel Presentation: standing began barking the longer I took to get the leash. He's got a big and deep bark. took treat gently. Ears back, tail high wagging loosely. soft eyes. Easy to leash Leash Skills: pull hard, very strong, tail slightly higher than middle. Sociability: came in close proximity often, touched all over his back, head, neck and sides, unfazed, more interested in sniffing and walking. Play: did not do Dog Interaction: meeting Presley: https://youtu.be/ArmRpKim508?si=3jEIyEs73aVfStOg Pulls hard, sniffed, curious, loose body. she snarled and lightly air snapped at him, unfazed Return to Kennel: easy Color Level: blue Recommendations and considerations: no pull harness Per staff 8/23/26: kids 5+ exp day trip needed, he's extremely strong, must demonstrate can physically handle him -- ACCT Philly is located at 111 West Hunting Park Ave in Philadelphia. We are open for adoptions 7 days a week. Please visit www.acctphilly.org/adopt for details. If you are a rescue interested in pulling this animal, please email our lifesaving team, or visit here if you are not currently a rescue partner: https://acctphilly.org/acct-philly-love-local-partnership-program/ Confirmed placement is considered a confirmation of an actual rescue pull. Possible placement, interested parties, and other "TBD" statuses are not considered confirmed and do not indicate an animal is no longer urgent. All animals at ACCT Philly are from Philadelphia, as the only open-intake animal shelter in Philadelphia, we are not able to accept animals from outside of Philadelphia. ACCT Philly's Pennsylvania kennel license number is 08313
Photo of Pocono

Pocono

Mastiff

Female, 3 yrs
Philadelphia, PA
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Good with dogs,
Story
Pocono ACCT-A-259475 is an approximately 3 year old female Mastiff dog who was picked up as a stray on 8/24/26. During early interactions, staff have noted that Pocono is exhibiting fearful behaviors and should be placed as Rescue only, and would do best in an adult only environment. Pocono's fearful behavior is starting to improve and has had several good dog meets! She knows sit, down and paw! Pocono is medically in good condition and now she just needs to continue on a positive path out of the shelter environment so that she can start her better life sooner rather than later! VIDEOS: Pocono & Scooby: https://youtu.be/aPfRdK7oAXU Pocono and Laylay https://youtu.be/32F-jdhVzRM?is=tR97n3o04l4NBC3L https://youtu.be/YTZQtVmytt8?is=wYRRSPeszjxlnFy4 https://youtu.be/vtXniuo2LLU?is=DFHK_a8bBzDO0mXTPocono and Laylay https://youtu.be/32F-jdhVzRM?is=tR97n3o04l4NBC3L https://youtu.be/YTZQtVmytt8?is=wYRRSPeszjxlnFy4 https://youtu.be/vtXniuo2LLU?is=DFHK_a8bBzDO0mXT BEHAVIOR NOTES: 8/26 Staff Noted: Kennel Presentation: At the front of the kennel with wide/soft eyes, ears to the side and mid nub not moving. Leash Skills: When I went to leash she lowered her head and body. Came out of kennel and pulled mildly on the leash. Zig zagging while outside. Eyes darting. Sociability: Much better then yesterday. Skin no longer crawling. Allowed pets, however did not solicit for more. Gave me a play bow and then jumped straight in the air. Not eating treats outside. She was still looking out into the parking, less pacing then yesterday as well. Play: Tossed a rope toy, she caught it and played with it for a few seconds. Dog Interaction: Met Scooby. Tolerant and moved away on her own. Return to Kennel: Went right into kennel and was able to remove leash with hand. 8/25 Staff Noted: Kennel Presentation: Volunteer got her out of the kennel. Said he has to close the guillotine door due to her being in the back side. Not eating any of the treats. Leash Skills: Pulls hard on the leash. Sociability: Tolerant of pets, however skin was crawling and would flinch with even the slightest of movements. Heavy panting while outside. Exit searching in the large yard. Ate one hot dog and then spit out another hot dog piece. Knows sit. Play: n/a Dog Interaction: Met Laylay. stiff at fence greetings, followed the fence line. In the yard able to sniff each other and move away. Stayed near Laylay when she was moving around the yard. Return to Kennel: Volunteer had no issues returning to kennel. Color Level: Exp Blue due difficulty removing from kennel, not always eating and exit searching. Recommendations and considerations: Making rescue only for now. -- ACCT Philly is located at 111 West Hunting Park Ave in Philadelphia. We are open for adoptions 7 days a week. Please visit www.acctphilly.org/adopt for details. If you are a rescue interested in pulling this animal, please email our lifesaving team, or visit here if you are not currently a rescue partner: https://acctphilly.org/acct-philly-love-local-partnership-program/ Confirmed placement is considered a confirmation of an actual rescue pull. Possible placement, interested parties, and other "TBD" statuses are not considered confirmed and do not indicate an animal is no longer urgent. All animals at ACCT Philly are from Philadelphia, as the only open-intake animal shelter in Philadelphia, we are not able to accept animals from outside of Philadelphia. ACCT Philly's Pennsylvania kennel license number is 08313
Photo of Labrinia Jane

Labrinia Jane

Mastiff

Female, Adult
Philadelphia, PA
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
-
Story
Meet Labrinia Jane!This All Star has only been here for a short time and is already a legend! A PSPCA hall of famer within her first week, just imagine what she can do with a lifetime in your home. If you are interested in adopting, stop by our shelter any day between 12-6:30pm. Please come prepared - bring a photo ID, proof of address, and everyone in the home including resident dogs with vaccination history._______________The Pennsylvania SPCA350 E Erie Ave., Philadelphia, PA 19134Kennel #3079
Photo of Hoggy

Hoggy

Mastiff

Male, 1 yr 8 mos
West Chester, PA
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
-
Story
Calling all Mastiff dog lovers!We have the most handsome one for you! Hoggy is looking for his forever home. He likes to take his time to get to know you then warms up for play with his friends.Come meet Hoggy today.This pet qualifies for our Sponsored by Simba Program: Pets for Veterans: no adoption fee for any military veteran adopting a pet 1yo+.This pet is available at:Brandywine Valley SPCA1212 Phoenixville PikeWest Chester, PA 19380PA Kennel License #01647
Photo of Valhalla Wags

Valhalla Wags

Mastiff Mixed Breed (Medium)

Female, Young
Southampton, PA
Size
(when grown) Small 25 lbs (11 kg) or less
Details
Good with dogs,
Story
Local Surrender Southampton Pa Pa Kl 5254 Meet Valhalla, a sweet little mastiff mix with a very big name and an even bigger personality! Valhalla is a baby girl who is currently in the adorable all paws, all wiggles, and absolutely no concept of personal space stage of puppyhood. Her mom is approximately 70 pounds and her dad is estimated to be around 120 pounds, so this little lady has some serious growing to do. In fact, she seems determined to prove that puppies can grow while youre watching them. One minute shes tiny, and the next minute shes somehow longer, taller, and taking up more room than she did yesterday. Valhalla is busy learning all about being a wonderful dog. Shes working on her house training, learning her manners, and figuring out which things are appropriate to put in her mouth. Like most baby puppies, she is a typical little mouthy pup, which means fingers, shoelaces, toys, blankets, and pretty much anything within reach can suddenly become extremely fascinating. Shell need a family who understands that puppies are adorable, enthusiastic little land sharks and who is willing to patiently teach her what belongs in her mouth and what definitely does not. This girl absolutely loves playing outside. Give her some room to explore, a few toys, and a little time to investigate the world, and she is one happy puppy. Toys are especially high on her list of favorite things, and Valhalla feels strongly that every toy deserves her immediate attention. She is also rapidly growing into those big feet of hers, so we suspect her toy collection may need to be upgraded regularly just to keep up with her. Valhalla came to us as a local surrender, and while her start may have been unexpected, she is ready for the next chapter of her life to be full of stability, patience, love, and plenty of opportunities to learn. Because Valhalla is expected to grow into a very large and powerful dog, we are looking for adopters who have previous bully-breed experience. Her future family should understand the commitment that comes with raising a large-breed puppy and be prepared to continue working on training, manners, socialization, and all those important life skills as she grows. She may have a very grand name, but Valhalla is still just a goofy baby who wants to play, explore, chew on things she probably shouldn't, collect toys, and eventually curl up with her people after a busy day of being a puppy. This big girl has a lot of growing, learning, and loving ahead of her. We can't wait to see the magnificent dog hiding inside this silly little puppy! Please visit our website www.wagsrescue.org to learn more about this amazing dog and Wags Rescue.
Photo of Hunter Bradley Philly

Hunter Bradley Philly

Mastiff Mixed Breed (Medium)

Male, Young
Southampton, PA
Size
(when grown) X-Large 101 lbs (46 kg) or more
Details
Good with dogs, Not good with cats, Spayed or Neutered,
Story
PA Kennel License #5254Wags Rescue & ReferralSouthampton Pa 18966 Originated from ACCT KL 08313 Hunter is a big-hearted, slightly confused mastiff mix with a heart as huge as his paws! Estimated around 2 years old (but he may secretly be a mischievous young pup at heart), this neutered gentleman is ready to find a home that appreciates a gentle giant with a silly side. Hunter is a quick learnerhes already mastered sit and is working hard on down. He takes treats with the utmost politeness, and is practicing his leash manners like a champ. Crate-trained and loving his fetch sessions, hes a bundle of joy who brings smiles wherever he goes. Currently tipping the scales at just under 100 lbs, Hunter is working on filling out his frame. Despite his impressive size, he truly believes hes a lap dog, and hell happily snuggle as close as youll let him. Hes dog-friendly, playful, and hilariously unaware of just how big he really is. Hunter came to us from a local shelter, a bit on the skinny side, but his heart has always been full. Hes ready to find a home where he can grow into his body, his love, and his ever-expanding collection of toys. If youre ready for cuddles, goofy smiles, and a loyal companion who will happily fetch, sit, and snuggle like a boss, Hunter is your guy! Please visit our website www.wagsrescue.org to learn more about this amazing dog and Wags Rescue.

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Related breeds in Conshohocken, Pennsylvania

Mastiff shelters & rescues in Conshohocken, Pennsylvania

There are animal shelters and rescues that focus specifically on finding great homes for Mastiff puppies in Conshohocken, Pennsylvania. Browse these Mastiff rescues and shelters below.

Here are a few organizations closest to you:

Shelter

9.4 miles

ACCT Philly

111 W. Hunting Park Avenue, Philadelphia, PA 19140

Pet Types: cats, dogs

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Shelter

11.4 miles

The Pennsylvania SPCA

350 E. Erie Avenue, Philadelphia, PA 19134

Pet Types: cats, dogs, farm animals, horses

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Shelter

17.2 miles

Brandywine Valley SPCA - West Chester

1212 Phoenixville Pike, West Chester, PA 19380

Pet Types: cats, dogs

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Rescue

17.3 miles

WAGS Rescue and Referral PA KL#5254

P.O. Box 1514, Southampton, PA 18966

Pet Types: dogs

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Rescue

17.7 miles

Mastiffs to Mutts - Eastern PA

Exton, PA 19341

Pet Types: dogs

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Shelter

19.7 miles

Women's Animal Center

3839 Richlieu Road, Bensalem, PA 19020

Pet Types: cats, birds, dogs, rabbits, small animals

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Rescue

20.9 miles

Don't Bully Us Rescue

PO Box 246, Wenonah, NJ 08090

Pet Types: dogs

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Rescue

25.5 miles

Last Chance Ranch Animal Rescue

9 Beck Rd., Quakertown, PA 18951

Pet Types: cats, birds, dogs, farm animals, horses, rabbits, reptiles, small animals

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Shelter

27.1 miles

Homeward Bound Pet Adoption Center - Camden County Animal Shelter

125 County House Rd, Blackwood, NJ 08012

Pet Types: cats, dogs

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Shelter

30.6 miles

Gloucester County Animal Shelter

1200 N Delsea Dr, Clayton, NJ 08312

Pet Types: cats, birds, dogs, farm animals, horses, rabbits, reptiles, small animals

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

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Mastiff basics

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Where do Mastiffs come from? How many types of Mastiffs are there? From the history of the breed to question about average height, weight and size, brush up on these basic facts about the Mastiff.

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