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Lost Dogs Database for Ontario, CA

Search lost and found dogs, as well as other pets, in the Ontario area with PawBoost.

954 lost dogs in your search

Lost Female Dog last seen Emery st , Riverside, CA 92509

Reported 4 months ago, updated 3 months ago

Bella Female Dog

LOST PawBoost ID: 72564444


Riverside, CA 92509

senior Yorkie and daughter Yorkie Mix

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Lost Female Dog last seen Wilson St and Orange Av, Rialto, CA 92376

Reported 3 months ago, updated 3 months ago

Luna Female Dog

LOST PawBoost ID: 72656063


Rialto, CA 92376

zu White with ash-gray on the ears.

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Lost Female Dog last seen Between Cactus and Riverside , Rialto, CA 92377

Reported 3 months ago

Luna Female Dog

LOST PawBoost ID: 72662830


Rialto, CA 92377

Black poodle

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Lost Male Dog last seen Byron st and magnolia in Corona ca , Corona, CA 92879

Reported 3 months ago

Rocket Male Dog

LOST PawBoost ID: 72662611


Corona, CA 92879

Very Large all white Great Pyrenees with orange eyes

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Lost Female Dog last seen Tuolumne and Lincoln loop, Fontana, CA 92336

Reported 3 months ago

Twix Female Dog

LOST PawBoost ID: 72662426


Fontana, CA 92336

Puddle long legs tall

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Lost Male Dog last seen Near miller ave fontana,ca 92336, Fontana, CA 92336

Reported 4 months ago, updated 3 months ago

Bingo Male Dog

LOST PawBoost ID: 72512125


Fontana, CA 92336

White strip on head

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Lost Male Dog last seen cypress street & Lark Ellen avenue, 柯汶纳, CA 91723

Reported 3 months ago

Gogo Male Dog

LOST PawBoost ID: 72661916


柯汶纳, CA 91723

white

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Lost Male Dog last seen Riverside & Monte Vista CHINO CA, Chino, CA 91710

Reported 3 months ago

DOJO Male Dog

LOST PawBoost ID: 72661447


Chino, CA 91710

LOST DOG - CHINO Riverside & Monte Vista 3/12 at 1:30 pm Intact male Goes by Dojo Collar, no tag or chip Friendly & catchable

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Lost Male Dog last seen Riverside dr. and Monte Vista Chino Ca, Chino, CA 91710

Reported 3 months ago

Dojo Male Dog

LOST PawBoost ID: 72661352


Chino, CA 91710

Brown

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Lost Male Dog last seen Sycamore and Anaheim Blvd , Anaheim, CA 92805

Reported 2 years ago, updated 3 months ago

Coco Male Dog

LOST PawBoost ID: 70783602


Anaheim, CA 92805

Black and brown Chorkie (half Chihuahua and Yorkshire terrier)

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Lost Female Dog last seen Near on ball road n brookhust , Anaheim, CA 92804

Reported 3 months ago

Honey Bun Female Dog

LOST PawBoost ID: 72658643


Anaheim, CA 92804

Brown and white

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Lost Female Dog last seen Cerca de la high school arroyo Valley, San Bernardino, CA 92415

Reported 3 months ago, updated 3 months ago

Luna Female Dog

LOST PawBoost ID: 72590271


San Bernardino, CA 92415

Pequeña,color blanco y cafécito es muy pequeño está bebé

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Lost Male Dog last seen Anaheim blv and Lincoln , Anaheim, CA 92815

Reported 3 months ago

Milo Male Dog

LOST PawBoost ID: 72658389


Anaheim, CA 92815

Elderly dog named Milo

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Lost Male Dog last seen Tyler St & Gramercy Pl, Riverside, CA 92503

Reported 4 months ago, updated 3 months ago

ROCKY Male Dog

LOST PawBoost ID: 72583113


Riverside, CA 92503

$$$ REWARD GREY/BLACK/WHITE TERRIER MIX

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Lost Male Dog last seen Phillips and central, Ontario, CA 91762

Reported 3 months ago, updated 3 months ago

Toby Male Dog

LOST PawBoost ID: 72649530


Ontario, CA 91762

His hair is a bit cut all around. Might be a bit dirty. He's a baby, 7 months old, he’s super friendly, doesn't bite. Please if you see him or have him, contact me.

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Lost Male Dog last seen Merrill, Rialto, CA 92376

Reported 3 months ago, updated 3 months ago

Nasa Male Dog

LOST PawBoost ID: 72648485


Rialto, CA 92376

Brown with some white

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Lost Male Dog last seen Court st. San Bernardino , San Bernardino, CA 92410

Reported 4 months ago, updated 3 months ago

Yaba Male Dog

LOST PawBoost ID: 72564846


San Bernardino, CA 92410

Frenchie, He was last seen by Goodwill Court St. San Bernardino.

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Lost Female Dog last seen Cole n covell, Woodcrest, CA 92508

Reported 4 months ago, updated 3 months ago

Ruby Female Dog

LOST PawBoost ID: 72558754


Woodcrest, CA 92508

Red and white huskey with white eyes

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Lost Male Dog last seen Sierra ave , San Bernardino, CA 92405

Reported 3 months ago, updated 3 months ago

Canelito Male Dog

LOST PawBoost ID: 72609608


San Bernardino, CA 92405

White small dog last seen wearing a blue sweater

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Lost Female Dog last seen Near lincoln ave spc 39, Buena Park, CA 90620

Reported 3 months ago

Cha Cha Female Dog

LOST PawBoost ID: 72654827


Buena Park, CA 90620

Black body gold chest face legs n butt

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Lost Dog Data for Ontario, CA

There are 954 lost dogs in Ontario, CA.

Find Local Dog Shelters in Ontario, CA

PawBoost has communities of dog-lovers across the country and beyond that help find missing dogs, and that means partnerships with dog shelters in the US and in Canada.

Are you a team member at a shelter not yet partnered with PawBoost?

Request Shelter Partnership

Find Your Dog Sooner with PawBoost

When you have a missing dog, it can be difficult to know what to do in the moment.

How do I find my dog? Do I have to visit the dog shelters in my area in person, or is it okay to just call? How can I get the word out to my local community in Ontario?

With our free tools and premium add-on services, PawBoost helps lost dog owners find their furry loved ones – 2,230,042 pets reunited and counting!

Find your lost dog faster with PawBoost.

Report Lost Dog

Frequently Asked Questions

I lost my dog. What should I do?

Take advantage of online platforms – they help you get the word out, quickly and easily. You can report your lost dog to PawBoost in no time flat. We'll send an email alert to our local members, post to the PawBoost-powered Facebook page for your area, add your dog to our lost & found, and make a lost dog flyer – all for free.

Other sites that help you raise local awareness for your lost dog with minimal time and effort are Nextdoor.com – a PawBoost partner – and Craigslist. Both of these sites have very active lost & found sections mainly used for lost pets. We highly recommend you use these resources in addition to PawBoost!

Visit your local shelters and animal control agencies in person. Details can get lost in translation over the phone and that might lead to missed connection.

If chipped, make sure your dog's microchip is registered and up to date. If you don't know your pet's chip manufacturer or number, your vet should be able to help locate this information.

Put up flyers and tell your neighbors to be on the lookout. The more you engage the Ontario community, the better your chances of a happy reunion!

Read our full guide on how to find your lost dog for more actionable tips.

Where do I report a lost dog in Ontario, CA?

If you lost a dog, we would like to help. You can report a lost dog to PawBoost for free to help find your dog in the Ontario area. Millions of pet lovers have signed up for our local lost & found pet alerts, and that includes pet lovers near Ontario!

Do I have to pay for premium PawBoost services to find my lost dog?

You don't have to pay to find your lost pet with PawBoost. PawBoost's free dog finder services have helped millions of people reunite with their lost dogs.

PawBoost does offer premium upgrades to help increase the reach of your lost pet alert.

You can learn more about what free and premium services PawBoost offers here.