Skip to Content

Top 9 English Mastiff Breeders In The U.S.

Top 9 English Mastiff Breeders In The U.S.

Are you looking for a large, cuddly puppy that just adores being indoors? Yep, you’re in the right place! English mastiff puppies happen to be one of the largest breeds in the world, but still resemble the character of a playful child.

English mastiff breeders first bred this gladiator-like canine for dog fighting and as a wardog, but throughout history, as the breed became more popular, this sad-eyed puppy entered the homes and the hearts of millions of people in England and worldwide.

Mastiff dogs are known for their black, swirly muzzle and strong, muscular body. In size they compete with bernese, or great danes. However, the mastiff dogs are much more robust in their overall appearance. They have a deep chest and wide front legs, which makes their conformation come across a little slumpy.

There are several basic colors this giant breed comes in – apricot, brindle, cream and fawn.

On the other hand, this gentle giant is affectionate and a family dog. Their level of socialization is high, especially if trained from an early age. The Mastiff breed is extremely attached to the owner and separation for more than 8-9 hours is not an option.

These American Kennel Club registered puppies suffer from separation anxiety and don’t do well on their own.

Furthermore, let’s find out who are the most reputable mastiff breeders in the United States!

English Mastiff Puppies For Sale In The U.S.

English mastiff breeders are spread widely on the soil of the United States. The AKC english mastiff is quite popular in households as a watchdog, family dog, or even a guard dog. However, the breeders differentiate based on quality, reputability, engagement level and information disclosure.

As one of the tallest dog breeds, english mastiff are highly favorable for crossbreeding. We have many mastiff successors, like the bull mastiff, which is a smaller variant of a bulldog and an english mastiff.

However, the pure breed itself is popular for its strong body, watchdog potential and affection towards family members. The puppies don’t do well in aggressive environments and this is highly related to aggressive owners.

They can develop severe anxiety issues rooted in bad behavior of a dog parent. The breed requires deep commitment, early socialization process, appropriate training routines and a proper feeding chart. In return, you will get a mountain of love and a companion for life.

In the further part of this article we bring you the top mastiff breeders in the U.S.

1. IronHeart Mastiff’s, Summerfield, FL

English Mastiff dog in green summer grass

The puppies at Iron Heart Mastiff’s are exclusively imported from Europe and their DNA is preserved. The documentation on bloodline and DNA is provided to a future owner.

The size of the puppies is within the original proportions of the english mastiff, meaning that they are 31-33 inches tall and between 190-230 pounds heavy.

The puppies are available once they turn 8 weeks of age. Prior to that, regular vaccine shots are given in weeks 6 and 8. All the puppies come with a microchip and AKC documentation. Additionally, the Iron Heart team offers the Florida Health Certificate, too.

The breeder provides a health guarantee for all the puppies, but the future of the puppy is on a future owner. As the english mastiff canines commonly suffer from urinary issues, the recommendation is to keep the feeding chart within the healthy and recommended prescriptions.

However, there are non-prescription dog food for the urinary health of your puppy that you should check, too!

Location: Summerfield, Florida

Phone number: (352) 203-9724

Website: IronHeart Mastiff’s

2. Dowdy Farms English Mastiffs, Albia, IA

mastiff in the nature

Dowdy Farms English Mastiffs from Iowa is one of the most reputable english mastiff breeders in the U.S. They put a lot of work into research and preservation of the mastiff’s bloodline and originality.

Accordingly, the price at this breeder is not cheap and negotiable, but it is within the average price for the AKC registered puppies. It goes from 3800$ to 5500$.

Furthermore, the breeder emphasizes that, aside from the initial price, which is not cheap, the puppy requires additional costs, such as 400$ for food, or at least 150$ for vet exams monthly.

The Dowdy Farms English Mastiffs team works on early socialization and emphasizes the great relationship mastiff dogs have with children. They are extremely tolerant when it comes to tail pulling or head rubbing.

This is why the breed is favorable for crossbreeding and makes amazing mastiff mixes combined with other breeds.

However, if not socialized enough, the puppies can become territorial more than needed. They snore at night and drool after eating.

Overall, this is not a guard dog, but a family dog, bred in this puppy house. The Dowdy Farms team makes one of the greatest mastiff breeders, especially because of their deep commitment and reliable health tests provided to future owners.

For any additional information, the team will be happy to respond over the official website form, or directly over the phone.

Location: 246th Street, Albia, Iowa

Phone number: (641) 777-873

Website: Dowdy Farms English Mastiffs

3. Barkers Mastiffs, South Tipton, IN

mastiff dog sitting on the grass

There are two basic missions in the Barkers Mastiffs home – good nutrition and good genetics. The breed standard is highly appreciated at BM’s and the exclusivity of the english mastiff’s bloodline is guaranteed.

This is definitely a reputable breeder, considering the fact that all the puppies are well provided for, health tested and properly fed.

This Old English Mastiff club member, being popular both in the UK and U.S., as well as in other parts of the world, is raised as a family dog in this puppy house.

It does not show signs of aggressiveness and it is not sold as a guard dog. Future owners should provide a safe, nurturing environment for the puppy, as well as a comfortable dog bed, as the breed is known as couch potatoes.

The breed purchased from this puppy house can also be exposed as a show dog, considering the good conformation the breeder cherishes.

The breeder also emphasizes the dog trauma these puppies can suffer from, aside from common diseases, like hip dysplasia. Dog trauma is a consequence of bad human behavior towards the breed, or a wild, outdoors life the abandoned puppies have.

That’s why the emphasis is on the socialization process from an early age. The english mastiff breeders commonly work on socializing the breed and adapting it to large families. It takes some time until the entire adaptation process is done, but the puppies eventually get there.

Location: 6015 West 250, South Tipton, Indiana

Phone number: (317) 695-2494

Email: [email protected]

Website: Barkers Mastiffs

4. Marcy Mountain Mastiffs, Lake Havasu City, AZ

English Mastiff portrait

This puppy facility has an almost 25 year-long history, as it was founded in 1999. The main mission statement of this breeder is love and commitment towards this giant breed.

What makes the MMM one of the greatest and most interesting english mastiff breeders in the U.S. is the fact that puppies are trained in obedience and are contestants in many dog shows related to obedience and conformation.

This means there are two breeding programs at Marcy Mountain Mastiffs – dogs bred for shows and dogs bred for home. However, there is a thin line between the two, as all dogs receive the same amount of attention, training and love from the breeder.

The breeding program is also focused on health and temperament. The puppies are socialized and well behaved around people and make good family members.

Their lifespan is long-term and guaranteed with regular health tests and vet visits.

The puppies come in various sizes and colors, of which the most common is fawn and brindle – known as basics both for mastiff and bullmastiff colors.

The most popular mastiff in this kennel is the Old English type.

Location: 3479 Whitecap Dr., Lake Havasu City, Arizona

Phone number: (503) 348-9347

Website: Marcy Mountain Mastiffs

5. Thunder Sky, Palmdale, CA

English Mastiff puppie playing in the grass

Thunder Sky is probably one of the most reputable english mastiff breeders on the West Coast. Dick, owner and manager of this puppy house, has been in the show dog ring for 35 years, and, additionally, he is a certified mentor of an english mastiff breed.

Most of the dogs bred in this kennel are show dogs trained for conformation shows. The puppies are trained from an early age and the most essential trait is their high socialization.

The special breeding program goes for the puppies engaged in dog shows and it differs from the standard breeding procedure.

Not all the puppies in this kennel have the traits of being a good show dog, but all mastiffs are excellent family dogs. The breed is favorable for excellent family traits, just like any other mixed breed that has mastiff parent gene representation, like the North American mastiff.

The Thunder Sky facility is open most working days, but you can call the number from the website any time you feel the need. The owners will be more than happy to answer all your inquiries and give free of charge advice.

Aside from selling the english mastiff puppies, the breeder sells dog food and delivers it almost everywhere.

Location: 17th Street West, Palmdale, California

Phone number: (805) 377-8035

Website: Thunder Sky

6. Looking Glass English Mastiffs, Greenville, SC

english mastiff laying on the grass

English mastiffs are bred on a big, fenced yard in Looking Glass English Mastiff puppy house. They are free to run and have fun chasing rabbits, or squirrels. This freedom is essential for their overall health and physical agility.

One of the best English mastiff breeders, the Looking Glass English Mastiffs team focuses on several things in the breeding program. Firstly, their health is the most relevant thing. The breeder makes sure you get a healthy puppy, free of any health issues and disease.

Regular vet exams and vet visits are a must in this kennel. Mastiffs get their regular vaccines and deworming, starting with the first month.

Secondly, the breeder puts in effort on building the gentle and affectionate temperament of the english mastiff breed. This canine is highly socialized and ready to cuddle at all times. The socialization process takes place after the puppy gets the proper amount of physical activity outside.

They are obedience and crate trained, which means the breed won’t have a problem living indoors, even in a big city apartment.

Lastly, the breeder focuses on conformation. The mastiff’s stamina and body balance are well-trained and the dog can take part in dog shows any time of the day.

That’s why the breed is favorable for crossbreeding and some designer dogs, like the tibetan mastiff, make exceptionally cool dog breeds.

If the puppy is not socialized from an early age, they can show signs of alert, like high-pitched barking, or even aggression. Otherwise, the english mastiff breeders have an easy job building the puppy’s temper, as it flows naturally without any turbulence.

Location: Greenville, South Carolina

Phone number: (864) 517-5436

Email: [email protected]

Website: Looking Glass English Mastiffs

7. Green Meadow Mastiffs, Williston, VT

english mastiff in a meadow full of dandelions

The Green Meadow Mastiffs’s location is perfect for breeding this puppy, if we take into consideration that the ranch has plenty of space for obtaining physical exercise and outdoors training the english mastiff requires.

Health is maintained throughout various outdoor activities, such as running. This is crucial for the puppy’s overall health, as the english mastiff breed has a tendency of becoming overweight.

Obesity is not recommended for this breed, or any dog breed, as it affects its health negatively and develops unwanted health issues, like heart problems.

The socialization process is what the breeder focuses on. This is crucial in bully dog breeds, especially because it prevents them from being self-destructive or aggressive towards family members.

The Green Meadow Mastiffs breeder has a Breeder of Merit recognition from the American Kennel Club, which makes him one of the best english mastiff breeders in the U.S.

Another important thing to mention related to this breeder is their exceptional health testing practices. Accordingly, the breeder has the Good Dog Excellence certificate for outstanding health of their puppies.

Any additional questions you have will be answered throughout their online platform.

Location: 150 Blue Heron Drive, Williston, Vermont

Phone number: (802) 238-5227

Email: [email protected]

Website: Green Meadow Mastiffs

8. Muddy Mastiffs, Westfield, IN

English Mastiff dog portrait in garden

Muddy Mastiffs is known as being among the most organized english mastiff breeders in the States. This is due to their impeccable management and relationship with the clients.

In order to purchase the english mastiff puppy from this breeder, you need to schedule a phone appointment, or even a video call. The latter is more recommended, due to the possibility to meet the puppy in real time and see what you are dealing with.

The phone call is a prerequisite for the further steps in the process of purchase.

The breeder selects the clients she finds suitable for the puppy and this gives her the time to decide whether or not the puppy should go to a new home. This shows dedication and care.

In the further part of the application, you can reserve a puppy by making a deposit.

The mastiff puppies can be picked up from Indiana directly. However, the breeder offers a shipping option too!

The price goes from $2000 up to 4000$. The price varies on the size, color and sex.

The breeder focuses on the puppies’ early neurological stimulation as the part of a socialization process. This is the way obedience training works at Muddy Mastiffs.

Even though not being as active as cattle dog breeds outside, the puppies have to receive the proper amount of physical activity in order to remain calm and affectionate indoors.

However, the breeder makes sure the mastiff’s growth chart and feeding chart are supplemented with an appropriate amount of exercise.

Location: Westfield, Indiana

Phone number: (570) 765-1878

Email: [email protected]

Website: Muddy Mastiffs

9. Nacimiento Mastiffs, Paso Robles, CA

English Mastiff in posturing

This breeding house has a special relationship with the english mastiff breed, considering the breeder’s deep commitment and relationship with the puppies.

The socialization is one of the greatest missions in Nacimiento Mastiffs and the breeder encourages future mastiff owners to engage, too!

This is not an excessively active dog breed, nor is it as lazy as bullmastiffs, which categorizes among the lazy dog breeds. Its moderate activity level makes the puppy favorable for having indoors and that’s why the socialization and obedience training are key in breeding this giant puppy.

The english mastiff is ready to go to a new home once it turns 8 weeks of age. The waiting lists are long in this kennel and there are no current open positions.

However, the Nacimiento Mastiffs team is happy to receive inquiries for the further list.

There are two options when it comes to picking up the puppy. The first one is to approach the breeder directly in California. The second one is to meet the breeder at San Luis regional airport. Other options are not available.

The puppy is health examined regularly and free of common english mastiff diseases. The health guarantee at this breeder is two years.

Location: Paso Robles, California

Email: [email protected]

Website: Nacimiento Mastiffs

Frequently Asked Questions

1.What Are The Most Common Health Issues For English Mastiff Breeders?

The most common diseases this puppy can face are cystinuria and progressive retinal atrophy. However, there are other common diseases for large breed dogs, such as hip dysplasia, or bloating.


This health issue represents the urinary disease english mastiff breeders can come across when breeding the puppy. Cystinuria in dogs is a disease of stones being stuck anywhere in the urinary tract of the puppy. That includes kidneys and bladder.

It resembles the human kidney stone issue and it is manifested through severe pain for the puppy. Mastiffs with cystinuria are usually laying down, inactive and crying.

This is not a deadly issue, but can be life-threatening if not treated timely.

PRA (Progressive Retinal Atrophy)

Progressive Retinal Atrophy in dogs is commonly known as dog’s blindness. It is a progressive disease that affects the retina and endangers photo-receptors.

It is a degenerative disease that affects both dogs at a young age and dogs in the latter stages of life. It can be partial in the first several months, but total blindness is inevitable. The puppies that suffer from this disease become completely blind within 1-2 years.

This does not have to be as tragic as it sounds, especially if we take into consideration the fact that dogs have other strongly developed senses, too. The important thing is to keep your puppy in a safe and nurturing environment, away from surprises and sudden contacts.

2. What Is The Average Weight Of An English Mastiff?

The average weight of an english mastiff breed varies between 190-230 pounds according to The Mastiff Club of America. This is one of the largest breeds in the world and categorizes among the tall dogs, too!

According to some english mastiff breeders, the breed can go somewhere below 190 down to 160 pounds. However, this is rare, as the breed is usually large and within the aforementioned numbers.


English mastiff breeders are valued by their approach to quality, training and puppy culture program invested in the breed.

This is a large dog whose history dates back to Roman times. The speculation is that the breed was out there during Caesar time. Some rumors say that the dog resembles the Ancient molosser dog as they share many common physical features. This rich history makes the dog popular worldwide, but also expensive.

Its strong and muscular body with thick muzzle makes it a determined watchdog, but at the same time a calm and affectionate family puppy.

In order to find a reputable english mastiff breeder, you should rely on several things: AKC recognition, vet exams documentation, openness for providing information and breeding programs.


13 Best Tibetan Mastiff Breeders In The U.S.

7 Best Dogue De Bordeaux Breeders In The U.S.