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Male Mastiffs for Sale in Boulder, Colorado

(1 - 15 of 16)
  1. This kovu he is big teddy bear. He loves belly rubs and cuddles to sleep. He loves to play with other dogs and kids as well but I do suggest older kids. He loves anything outdoors hiking water snow etc. he is a big boy but a sweet heart all he wan...
    3 days ago on Adopt-a-Pet.com
  2. Meet Dolemite, our gentle giant, a 10-year-old Mastiff who has known only one family his entire life—until they decided to move and left him at a high-kill shelter. Despite this abandonment, he holds no grudges and is ready to fill his new home wi...
    3 days ago on Adopt-a-Pet.com
  3. Tyrion is a big chunk of love! Handsome boy successfully lived with children and other dogs in his previous home, and enjoys long walks and quality time with his favorite people. His previous family noted that Tyrion enjoys meeting new people, pla...
    Tyrion ·1 week ago on Petfinder.com
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    472-24 ·1 week ago on Petfinder.com
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    470-24 ·1 week ago on Petfinder.com
  6. Meet Milburn Pennybags, a charismatic and energetic adult dog. His friendly nature is contagious, making every interaction a delight. Milburn is not just sweet, he's also an active fellow, always ready for a game of fetch or a brisk walk. His love...
    MILBURN PENNYBAGS ·1 week ago on Petfinder.com
  7. Meet Barney, a charming, adult dog with a heart full of curiosity and sweetness. His gentle soul is evident in his loyalty and kindness. While Barney may show some reactivity towards unfamiliar faces, his love for his trusted humans is unshakable....
    BARNEY ·2 weeks ago on Petfinder.com
  8. Mastiff Mix Dog for Adoption in Brighton, Colorado, 80601 US Nickname: BARNEY Posted Breed: Mastiff / Mixed (medium coat). Meet Barney, a charming, adult dog with a heart full of curiosity and sweetness. His gentle soul is evident in his loyalt...
    Over 4 weeks ago on PuppyFinder
  9. Meet Kobe! *Dog friendly and loves to play *Looking for an active family who has a lot of time to spend with him *Very social and outgoing and always ready to have a good time! Check out Kobe playing with another dog. He has a super cute and b...
    Over 4 weeks ago on Adopt-a-Pet.com
  10. Who could resist that smile!? Rico is a big, mellow guy who will enjoy going for walks, napping in a sunny yard, and having lots of toys to chew on. He loves playing with other dogs, and it would be great fun for him to live with a canine companio...
    Over 4 weeks ago on Adopt-a-Pet.com
  11. I adopted Chonk from a rescue in Fort Collins. He has had one previous owner before me. He is sweet and loving and has all of the puppy energy. He jumps a lot and gets very mouthy, he needs a home where he can run around and let all of his energy ...
    Over 4 weeks ago on Adopt-a-Pet.com
  12. Meet Lewis! ***Please note that all adoption inquiries must be emailed to XXXX@dogranchco.com*** Lewis is currently fostered at The Dog Ranch, working on training, and basic commands. All dogs through our program are spayed and neutered, fully upd...
    Over 4 weeks ago on Adopt-a-Pet.com
  13. Who could resist that smile!? Rico is a big, goofy guy who's sure to keep you laughing. He enjoys playing with other dogs, and it might be great fun for him to live with a canine companion. Rico will only be rehomed to a family without cats or sma...
    Over 4 weeks ago on Adopt-a-Pet.com
  14. Ozzie was adopted when he was 7 1/2 weeks old. He is skiddish initially but a pure love and joy when he can be next to his owner. He needs lots of room to run as he has energy. He is the brother to Springer.
    Over 4 weeks ago on Adopt-a-Pet.com
  15. … spayed/neutered
    Over 4 weeks ago on Adopt-a-Pet.com

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