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Onyx has found a forever home!

Onyx (Mastiff, Mixed Breed in Washington, DC) is no longer available for adoption. But there are plenty of loving pets still waiting for a home like yours.

Onyx

Found a forever home!
3-7 years|Mastiff, Mixed Breed|Male|Large|Washington, DC
🐾 Friendly🤗 Affectionate🎾 Playful🚽 House Trained☺️ Gentle

Onyx is a large, adult, neutered male mastiff/mixed breed currently located in Washington, DC. He’s housetrained, well-socialized, and comfortable around people of all ages. With his size and friendly disposition, he stands out as a great choice for anyone seeking a big-hearted companion.

About Onyx

Onyx is an 80lb cuddle bug who balances playfulness with a solid appreciation for naptime. He’s eager to meet just about anyone, young or old, provided the petting doesn’t stop. Crate and potty trained, Onyx fits well with a single adopter or families with children. He’s got a curious streak, enjoying long neighborhood walks, and he’s currently sharpening his loose leash manners. Food is a big motivator for him, and he already knows the essentials—sit, stay, down, and leave it—but he’s keen to learn whatever else you want to teach. For anyone searching for a gentle giant, Onyx fits the bill perfectly. Ready to meet your new best friend? Apply now!

Adoption Fee

Inquire directly with rescue.

Adoption fees can usually be paid via credit card, or other convenient methods. Please check with the shelter for specific payment methods.

Rescues & Shelters

Location Address: Washington, DC 20002 Get directions

Questions about Onyx

  • What type of living environment is this breed usually best suited for?

    Onyx, as a mastiff/mixed breed, does best in a spacious environment where he can stretch out and relax, but he can also adapt to homes with a yard or ample indoor space.

  • How much outdoor space does this breed typically need?

    Large breeds like Onyx benefit from regular outdoor time—ideally, daily walks and a yard, but frequent exercise and mental stimulation go a long way, even without a huge yard.

  • Is this breed typically suitable for homes with children?

    Mastiff mixes are typically gentle giants. Onyx’s personality makes him especially suitable for families with children if supervised and socialized properly.