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Mastiff puppies and dogs in La Plata, Maryland

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

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Adopt a Mastiff near you in La Plata, Maryland

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 La Plata, Maryland

These Mastiffs are available for adoption close to La Plata, Maryland.
We'll also keep you updated on *ROSCOE's adoption status with email updates.
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*ROSCOE

Mastiff

Male, 7 yrs 1 mo
Upper Marlboro, MD
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
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Story
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We'll also keep you updated on *SHEBA's adoption status with email updates.
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*SHEBA

Mastiff

Female, 9 yrs
Upper Marlboro, MD
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
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Story
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We'll also keep you updated on Rhino's adoption status with email updates.
Photo of Rhino

Rhino

Mastiff

Male
Hollywood, MD
Size
(when grown) -
Details
Spayed or Neutered,
Story
You can fill out an adoption application online on our official website.Rhino is a handsome 2-year-old Cane Corso with soulful eyes and a quiet, thoughtful presence. He can be shy when first meeting new people, but once he feels comfortable, his gentle and affectionate personality begins to shine. He forms meaningful bonds with those who earn his trust and has a soft spot for the ladies. Rhino is crate trained when left alone and does very well overnight outside of the crate. He has experience being around dogs of many sizes and personalities and generally does well, especially with appropriate introductions and clear expectations. He has a solid foundation of training and shows good potential for continued growth. Rhino’s foster mom is actively working with him to build confidence, reinforce structure, and support positive behaviors as he prepares for his forever home. Transition & Training Support To ensure Rhino’s success during adoption, there will be a 4–6 week training and transition period with his foster mom as he moves into his new home. This period is intended to provide continuity, consistency, and guidance during a major life change. The goal is a smooth transition that supports Rhino emotionally and behaviorally while setting clear expectations for long-term success. Adopters should be prepared to participate in this transition process and maintain the routines and training strategies that have already been established. Ideal Home & Adopter Expectations Rhino will thrive in a home that understands large-breed dogs and values structure, patience, and ongoing training. His ideal home will include patient and consistent adopters who allow him time to adjust and build trust; a willingness to actively participate in the 4–6 week transition and training period; clear structure, routine, and boundaries; experience with large or guardian-type breeds (or a strong commitment to learning); proper dog introductions and ongoing social guidance; an  an understanding that training is an ongoing process, not a one-time solution.A calm, supportive environment with clear communication will allow Rhino to grow into theconfident, loyal companion he is capable of becoming.SummaryRhino is a gentle giant with a soft heart who is looking for an adopter ready to invest in him,guide him, and appreciate his steady, meaningful bond. With patience, consistency, andcontinued support, Rhino will make an incredible lifelong companion Visit this organization's web site to see any additional information available about this pet.January 15, 2026, 4:27 pm
We'll also keep you updated on Fernie *Courtesy Post*'s adoption status with email updates.
Photo of Fernie *Courtesy Post*

Fernie *Courtesy Post*

Mastiff

Female, Young
Stafford, VA
Size
(when grown) -
Details
Good with dogs, House-trained, Spayed or Neutered, Shots are up-to-date,
Story
You can fill out an adoption application online on our official website. Fill out an Adoption Application Fern is now available please read her PetFinder post  https://www.petfinder.com/dog/fernie-d98ba9c5-c010-4bc0-b0e0-0e56e047e84b/pa/warrington/brookline-labrador-rescue-pa06/details/Click here to watch a video of Fernie *Courtesy Post*.Visit this organization's web site to see any additional information available about this pet. Application Fees, Adoption Donations and Rescue Policy: Please know that 100% of our fees and donations pay for the costs of rescuing dogs. These include but are not limited to pull fees from shelters, veterinary examinations, vaccinations, medications and care, microchips, neuter/spay surgeries, heartworm treatments, behavior evaluations, and foster care, as needed. Important notes before applying. Approved adopters must have their primary residence in one of the following states: Delaware, Maryland, Michigan, New Jersey, Ohio, Pennsylvania, West Virginia, Virginia, and parts of North Carolina and Kentucky. You must be at least 21 years of age to apply and legally sign our contract for adoption. Applications must be completed by the homeowner.  We do not adopt giant breed dogs to renters. If you are renting, and you are applying to adopt a dog that is not a giant breed, permission to adopt an animal must be obtained from the landlord or property owner. We do not adopt giant breed dogs to homes with children under 6 years of age. Homes with children should have a fenced yard. Applications will be denied if anyone residing in the household has a record indicating drug/alcohol abuse, theft, or violence. Pets currently in the applicant's home must have a history of appropriate veterinary care. Homes with intact dogs will not be approved for adoption.  Proof of any of the following exceptions is required: The intact dog is a working member of a law enforcement, or search and rescue/recovery team. The intact dog is registered under the auspices of the American Kennel Club and is actively being shown. A veterinarian has determined the sterilization procedure would harm the intact dog.  We believe in Force Free Training Methods and do not approve of methods or devices using pain or force to control the dog, or to deter undesirable behavior.  Homes with highly varnished steps must have carpeting, securely fixed stair treads, or a non-skid surface. **We encourage you to remediate potential safety issues while your application is under review, prior to the home visit. &#226&#128&#139Any inside steps to which the dog(s) have access, must have carpeting, securely fixed stair treads, or a non-skid surface. Homes with highly varnished floors must have non-slip area rugs or mats wherever your animal walks or rests frequently.  **Puppy Adoption Policy** To ensure proper house training and socialization, puppies will only be adopted to homes where an adult will not be away more than an hour per day, per month of age of the puppy, up to 6 months. Certain large-breed dogs should not be sterilized prior to 12 - 18 months of age.  If you adopt an intact puppy, you will sign an adoption contract agreeing to have the dog sterilized at your expense at the time your veterinarian recommends. Proof of sterilization must be provided to Mastiffs To Mutts Rescue as soon as the procedure is completed.  If the puppy is not sterilized as required, Mastiffs To Mutts Rescue reserves the right to claim legal ownership of the dog.  For additional information please review our FAQs or contact mastiffstomutts@gmail.com **Mastiffs To Mutts Rescue reserves the right to approve or deny any adoption that occurs through this organization without disclosure.  We reserve the right to make exceptions for special circumstances. **PA Kennel License: 05845   December 12, 2025, 6:57 pm
We'll also keep you updated on Onyx's adoption status with email updates.
Photo of Onyx

Onyx

Mastiff

Male, 2 yrs 2 mos
Washington, DC
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
-
Story
*Woof* Meet me at 71 Oglethorpe St NW between 12pm-7pm daily!Onyx is a variety of quartz and symbolizes protection and strength. And yes, that is me, the beautiful Onyx with a strong heart and a willingness to protect our life together. Apparently, Onyx also symbolizes the absorption of negativity and if you have seen my super wiggles, then you will believe that I can do this. I am a whole-body expert wiggler and when you come home and see me wiggle, it will make your day (and your coming home will make my day). I will bury into your hand or body just hoping that you`ll give me lots of pets and cuddles. I am curious, friendly and a true delight to be around and so it is good that I am a big boy so there is just more delight of me. I have been enjoying my walks here and am looking to acquire basic doggie manners. I hear there are yummy treats involved -- and food is one of my favorite things in the world! Are you open to bringing a gorgeous and happy dog into your life? I may be the right fit!
We'll also keep you updated on Bark Hamill's adoption status with email updates.
Photo of Bark Hamill

Bark Hamill

Mastiff

Male, 4 yrs 2 mos
Washington, DC
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
-
Story
*Woof* I`m in a foster home. To meet me reach out to my foster caregiver at vonfoer2@gmail.com!Check out my awesome TikTok post (my foster family is the best): https://www.tiktok.com/t/ZP89y4f5G/My foster family says I`m a great dog. I came out of my shell very quickly and showed myself to be very friendly and sweet. I`m clearly people-oriented and eager to connect. I lived up to my reputation for good leash manners and really enjoyed a lick mat with peanut butter. Here are a few other things they said about me:- he is a very gentle giant, he absolutely loves to cuddle and shows a lot of affection. - he loves saying `hi` to other dogs and loves to play; he gets along great with our resident dog. - he loves to relax and take naps but is always ready for a nice walk; he is great on a leash! - he likes to lay by my side in his bed napping while I work. - he recently met some kids and did awesome with them. He even let them walk him! He was very calm with them and took treats very gently. I know some of the basic things, like sit, and am a good leash-walker, so we should be off to a good start when you take me home. Otherwise, I am a laid-back, easygoing pup who is always happy to be around my people. In sum, I am perfect -- and so ready to make your life perfect, too!

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Mastiff shelters & rescues in La Plata, Maryland

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

Here are a few organizations closest to you:

Shelter

21.8 miles

Prince Georges County Animal Services Division

3750 Brown Station Rd., Upper Marlboro, MD 20772

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

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Rescue

24.2 miles

Animal Relief Fund

Hollywood, MD 20636

Pet Types: cats, dogs

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Rescue

25.3 miles

Mastiffs to Mutts VA

Stafford, VA 22556

Pet Types: dogs

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Shelter

29.6 miles

Humane Rescue Alliance - Foster

71 Oglethorpe St. NW, Washington, DC 20011

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

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Shelter

29.6 miles

Humane Rescue Alliance - Oglethorpe St.

71 Oglethorpe St NW, Washington, DC 20011

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

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Rescue

44.4 miles

Friends Of Homeless Animals

39710 Goodpuppy Lane, Aldie, VA 20105

Pet Types: cats, dogs

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Rescue

47.5 miles

Pep's Pals Rescue

Brookeville, MD 20833

Pet Types: cats, dogs

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

We've got all the info you need on adopting and caring for a Mastiff puppy. Check out the links below for everything you ever wanted to know about Mastiff puppies and adults.

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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