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Lost Dogs Database for Riverside, CA

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

810 lost dogs in your search

Lost Male Dog last seen Baldwin and Hayes, Lake Elsinore, CA 92530

Reported 6 days ago

Teddy Male Dog

LOST PawBoost ID: 72940412


Lake Elsinore, CA 92530

Tan toy poodle fluffy

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Lost Male Dog last seen Kendall Drive , San Bernardino, CA 92407

Reported 4 weeks ago, updated 6 days ago

Moo Moo Male Dog

LOST PawBoost ID: 72850098


San Bernardino, CA 92407

Shih Tzhu Black and white Spotted

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Lost Female Dog last seen Park Ave. & comer , Riverside, CA 92502

Reported 7 months ago, updated 6 days ago

Belle Female Dog

LOST PawBoost ID: 72218953


Riverside, CA 92502

Pomerian mix

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Lost Male Dog last seen Near Monument Pkwy Perris, CA  92570 United States, Perris, CA 92570

Reported 6 days ago

Bruno Male Dog

LOST PawBoost ID: 72940216


Perris, CA 92570

Beige and light brown named Bruno

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Lost Female Dog last seen Juniper Ave, Fontana, CA 92335

Reported 6 days ago

Cookie Female Dog

LOST PawBoost ID: 72940192


Fontana, CA 92335

Little fluffy chihuahua white dog

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Lost Female Dog last seen Via lenardo and Via De Campo Yorba Linda , Yorba Linda, CA 92887

Reported 6 days ago

Princess Female Dog

LOST PawBoost ID: 72940172


Yorba Linda, CA 92887

White Shih Tzu with greyish brown patches

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Lost Female Dog last seen Pacific , San Bernardino, CA 92410

Reported 2 months ago, updated 6 days ago

Reina Female Dog

LOST PawBoost ID: 72744922


San Bernardino, CA 92410

Grayw white patch on chest

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Lost Female Dog last seen Cole and van buren, Riverside, CA 92508

Reported 1 week ago, updated 6 days ago

Chica Female Dog

LOST PawBoost ID: 72931300


Riverside, CA 92508

Brown fully pink collar with flowers

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Lost Male Dog last seen Perris, Perris, CA 92572

Reported 6 days ago

Max Male Dog

LOST PawBoost ID: 72940068


Perris, CA 92572

Like maltis

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Lost Female Dog last seen Wells st, Riverside, CA 92503

Reported 3 months ago, updated 6 days ago

Lucy Female Dog

LOST PawBoost ID: 72651949


Riverside, CA 92503

Black n tan with graying

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Lost Female Dog last seen Via leonardo, Yorba Linda, CA 92887

Reported 6 days ago

Princess Female Dog

LOST PawBoost ID: 72939948


Yorba Linda, CA 92887

White and grey, small dog

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Lost Male Dog last seen Euclid and Holt,  Ontario, Ontario, CA 91761

Reported 6 days ago

Jerry Male Dog

LOST PawBoost ID: 72939742


Ontario, CA 91761

Chihuahua with collar. Last seen May 4th, 2026. Owner is heartbroken 💔

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Lost Female Dog last seen Old ranch rd and Cooley lane , Colton, CA 92324

Reported 1 week ago, updated 6 days ago

Bella Female Dog

LOST PawBoost ID: 72930159


Colton, CA 92324

Tan color with a white diamond shape on top of her head

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Lost Female Dog last seen Ardella apts , Moreno Valley, CA 92553

Reported 1 week ago, updated 6 days ago

Bostwick Female Dog

LOST PawBoost ID: 72929541


Moreno Valley, CA 92553

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Lost Male Dog last seen Citrus and sierra lakes parkway, Fontana, CA 92336

Reported 2 weeks ago, updated 6 days ago

Gabanna Male Dog

LOST PawBoost ID: 72901229


Fontana, CA 92336

Grey and brown frenchie

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Lost Male Dog last seen Frederick and Eucalyptus , Moreno Valley, CA 92553

Reported 3 months ago, updated 6 days ago

Kobe Male Dog

LOST PawBoost ID: 72606839


Moreno Valley, CA 92553

Male white and tan Shih Tzu. He has one eye that’s partially blue. At the time, his fur was long and was covering his eyes. He was wearing a blue collar.

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Lost Male Dog last seen Magnolia, Corona, CA 92879

Reported 3 weeks ago, updated 6 days ago

Twinkie Male Dog

LOST PawBoost ID: 72872865


Corona, CA 92879

Has a recent hot spot where his tail meets his back.

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Lost Female Dog last seen Ramona st, San Jacinto, CA 92582

Reported 6 days ago

Eevee & Ollie Female Dog

LOST PawBoost ID: 72937146


San Jacinto, CA 92582

Shih Tzu- she has her right eye white eyelashes and her left eye has black

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Lost Female Dog last seen La Solita & La Perla in Foothill Ranch, Lake Forest, CA 92610

Reported 4 weeks ago, updated 7 days ago

Daisy Female Dog

LOST PawBoost ID: 72844910


Lake Forest, CA 92610

Cream with brown spots, Chihuahua mix, 16 year old, has a fatty tumor on tummy.

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Lost Female Dog last seen Park Ave. & comer , Riverside, CA 92502

Reported 7 months ago, updated 7 days ago

Belle Female Dog

LOST PawBoost ID: 72268804


Riverside, CA 92502

Pomerian-mixed Brown and white Spayed- female 3 year 3 months Friendly. ,

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Lost Dog Data for Riverside, CA

There are 810 lost dogs in Riverside, CA.

Find Local Dog Shelters in Riverside, 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 Riverside?

With our free tools and premium add-on services, PawBoost helps lost dog owners find their furry loved ones – 2,228,940 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 Riverside 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 Riverside, 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 Riverside area. Millions of pet lovers have signed up for our local lost & found pet alerts, and that includes pet lovers near Riverside!

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.