Moose Mountain Mastiffs

Moose Mountain Mastiffs Mastiff Breeder/pet service
(5)

Our most heartfelt congratulations to the Baumgarts on their newest addition, Ringo! ❤️🐾 We are so excited to welcome yo...
08/05/2024

Our most heartfelt congratulations to the Baumgarts on their newest addition, Ringo! ❤️🐾 We are so excited to welcome you to the Moose Mountain Family!

Wishing the Lawrence family all the best on their newest addition to their family, Franklin (Bluey). We are so very exci...
08/02/2024

Wishing the Lawrence family all the best on their newest addition to their family, Franklin (Bluey). We are so very excited for you guys and cannot wait to see what the years have in store for you. :) ❤️🐾

We’re so very excited to announce that Re*****on (Hendrix) headed home with his person today and even more excited to an...
08/02/2024

We’re so very excited to announce that Re*****on (Hendrix) headed home with his person today and even more excited to announce that Sarah finally got her brindle. ❤️ Congratulations!! We can’t wait to watch him grow up!!!

Congratulations Jami and Nick on your newest baby, Roxie (T. Swift)! We’re so, so very excited for you! We love our repe...
07/27/2024

Congratulations Jami and Nick on your newest baby, Roxie (T. Swift)! We’re so, so very excited for you! We love our repeat customers, but we have an extra soft spot for these ones, as this will be their second Moose Mountain puppy, and we’re even more excited that Roxie will have a big sister (Makayla) at home to show her all the ropes.

Congratulations to Poe (Ed Sheeran) and the Williams family! We’re so excited for him to grow up with his human siblings...
07/27/2024

Congratulations to Poe (Ed Sheeran) and the Williams family! We’re so excited for him to grow up with his human siblings and new four legged bro!!

As of next week, these “little” ones will start heading to their new homes… they are easily the boldest and most brave g...
07/19/2024

As of next week, these “little” ones will start heading to their new homes… they are easily the boldest and most brave group of puppies we have had to date, boldly exploring places no pup has ever gone before…😂 They are smiley, outspoken, and hillarious.

Our shenanigans this last bit. Heat permitting, we’ve been spending as much time as possible outside, and for the most p...
07/15/2024

Our shenanigans this last bit. Heat permitting, we’ve been spending as much time as possible outside, and for the most part, all the littles seem to enjoy it. Six weeks has flown really fast. This last bit, we are trying to hone their patience for one another, as honestly, everyone is starting to want their own space… hazards of large families, I suppose.. 🤷🏼‍♀️ It’s been incredibly rewarding as well, watching their personalities develop.

07/14/2024

Some of my favorite moments lately have been with these yahoos. ❤️🐾

5/6 weeks: This week.. the kids are heathens. They’ve found their voices and frequently let us know that they’re ready t...
07/11/2024

5/6 weeks: This week.. the kids are heathens. They’ve found their voices and frequently let us know that they’re ready to rise and shine between four and five AM. They’re favorite hobbies include (but aren’t limited to): shredding puppy pads, chewing on everything (including eachother), and playing tag in the yard. When last we did a weigh in a few days ago, everyone was between 12lbs (T. Swift) and 15.8lbs (Ed Sheeran). They are also fully transitioned to soft kibble (Kirkland puppy) and drinking water like pros…

On a side note, we’re incredibly happy to announce that all babies from this litter have found their peeps, and everyone is staying in Colorado! (We’re also extremely excited to watch them grow!)

07/06/2024

Ed!

07/04/2024
The side eye starts already.
07/04/2024

The side eye starts already.

Available 7.24.24, this little lady is guaranteed to melt even the coldest heart. She’s sweet, mellow, and knows what sh...
07/01/2024

Available 7.24.24, this little lady is guaranteed to melt even the coldest heart. She’s sweet, mellow, and knows what she wants (which is an over abundance of love and kisses.😘)

4 weeks: (Sorry I’m late!) The kids have been doing their thing and growing like crazy. They’ve fully transitioned to pu...
06/30/2024

4 weeks: (Sorry I’m late!) The kids have been doing their thing and growing like crazy. They’ve fully transitioned to puppy food (with warm water) and are super food motivated. They’re also busy spending their days wrestling, playing with the contents of the toy box, and figuring out the litter box. Everyone is weighing in between 10 and 11lbs, and we’re so proud of their progress.

Week Three: These littles have had a big week. They’ve successfully tried gruel, have been introduced to all of their fa...
06/24/2024

Week Three: These littles have had a big week. They’ve successfully tried gruel, have been introduced to all of their family members, have been interacting with eachother, and have started playing with toys. It’s difficult to imagine that we’re nearly halfway through the process of them becoming ready to meet their families…❤️

06/18/2024

Bedtime.. goodnight sweet littles. ❤️🐾

Happy birthday, my loves! I hope you all had a fabulous day, Weller, Bernie, Argus, Ollie, and Optimus!! 🐾❤️
06/17/2024

Happy birthday, my loves! I hope you all had a fabulous day, Weller, Bernie, Argus, Ollie, and Optimus!! 🐾❤️

AKC registered English Mastiffs will be ready to head for their new homes July 24th!We have one male and one female left...
06/16/2024

AKC registered English Mastiffs will be ready to head for their new homes July 24th!

We have one male and one female left from our spring/summer litter, still looking for their forever homes.

We, at Moose Mountain Mastiffs, pride ourselves at producing aesthetically pleasing, emotionally intelligent pups and stand behind each one of our babies. Delivery available, for additional fee.

Please contact us for details!

Update on the Rockstars: At two weeks old, their eyes are open, momma J is getting tired of feeding them, so surrogate m...
06/13/2024

Update on the Rockstars: At two weeks old, their eyes are open, momma J is getting tired of feeding them, so surrogate moms (Tammy, Annie, and Granny Zo) have been getting creative. Everyone is absolutely thriving, tottering around on four legs, and beginning to explore their surroundings.

One week with these cuties. ❤️🐾
06/05/2024

One week with these cuties. ❤️🐾

06/03/2024
06/02/2024

Four days old..

06/02/2024

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Ireland Way
Boulder, CO
80013

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