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Lost Dogs Database for Costa Mesa, CA

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

683 lost dogs in your search

Lost Male Dog last seen Supposedly went to a location with nurses, Long Beach, CA 90806

Reported 1 year ago, updated 2 days ago

Maka Male Dog

LOST PawBoost ID: 71811028


Long Beach, CA 90806

White husky 3 years old this month July 2025, blue eyes, pink nose.beyond friendly and always energetic. He thinks everyone and everything is his friend. 🤦🏽‍♀️

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Lost Female Dog last seen Whittier, Whittier, CA 90601

Reported 2 days ago

Gurl Female Dog

LOST PawBoost ID: 73158308


Whittier, CA 90601

Black and brown

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Lost Male Dog last seen Laurel Park, Whittier, CA 90605

Reported 4 weeks ago, updated 2 days ago

Julio Male Dog

LOST PawBoost ID: 73049752


Whittier, CA 90605

Black chihuahua/greyhound mix with a white chest and paws.

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Lost Female Dog last seen Near Esperanza Ave Whittier ca 90606, Whittier, CA 90606

Reported 3 weeks ago, updated 2 days ago

Bella Female Dog

LOST PawBoost ID: 73087405


Whittier, CA 90606

terrier mix

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Lost Male Dog last seen Lakewood Dalberg, Bellflower, CA 90706

Reported 4 weeks ago, updated 2 days ago

Kaykay Male Dog

LOST PawBoost ID: 73050136


Bellflower, CA 90706

Black n Tan , Non Verbal, sweet Friendly

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Lost Male Dog last seen Lakewood Blvd & Gardendale, 7 Eleven Gas Station, Bellflower, CA 90706

Reported 1 month ago, updated 2 days ago

Kaykay Male Dog

LOST PawBoost ID: 73023579


Bellflower, CA 90706

Black & Brown Frenchie 2 - 3 years old, Non Verval

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Lost Male Dog last seen Studebaker rd and Kenney St, Norwalk, CA 90650

Reported 2 days ago

Ernesto Male Dog

LOST PawBoost ID: 73157540


Norwalk, CA 90650

Chihuahua

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Lost Male Dog last seen Near N La loma cir, Anaheim, CA 92806

Reported 2 days ago, updated 2 days ago

Coco Male Dog

LOST PawBoost ID: 73157442


Anaheim, CA 92806

Small Black white and grey

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Lost Female Dog last seen Kinghorn st Santa Fe springs, Santa Fe Springs, CA 90670

Reported 4 weeks ago, updated 2 days ago

Bella Female Dog

LOST PawBoost ID: 73057944


Santa Fe Springs, CA 90670

Maltese tan

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Lost Male Dog last seen Norwalk, Norwalk, CA 90650

Reported 2 days ago

Boy Girl Girl Male Dog

LOST PawBoost ID: 73157414


Norwalk, CA 90650

Two white dogs and one brownish light

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Lost Female Dog last seen Rosecrans & Dwight, Compton, CA 90220

Reported 3 weeks ago, updated 3 days ago

Debbie Debs Female Dog

LOST PawBoost ID: 73082332


Compton, CA 90220

Small black chihuahua pug mix, brown eyes, underbite, white hairs on chin.

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Lost Female Dog last seen sixth st, Corona, CA 92879

Reported 2 weeks ago, updated 3 days ago

Lily Female Dog

LOST PawBoost ID: 73118979


Corona, CA 92879

Black small chihuahua with white spots on her face and arms. very friendly. she had a pink collar with her tag and phone number behind it.

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Lost Male Dog last seen Norwalk 57th st, Norwalk, CA 90650

Reported 3 days ago

BOY GIRL GIRL Male Dog

LOST PawBoost ID: 73156286


Norwalk, CA 90650

The top are girls and the bottom is a boy

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Lost Female Dog last seen Palm Park Center, Whittier, CA 90601

Reported 9 months ago, updated 3 days ago

Daisy Female Dog

LOST PawBoost ID: 72164747


Whittier, CA 90601

Tan Chi Mix

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Lost Male Dog last seen Cheshire and clarkdale, Norwalk, CA 90650

Reported 3 days ago

Boy Male Dog

LOST PawBoost ID: 73155607


Norwalk, CA 90650

It’s 3 little puppy’s

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Lost Female Dog last seen Near Fidel ave Whittier ave CA, Whittier, CA 90605

Reported 4 weeks ago, updated 3 days ago

Jinx Female Dog

LOST PawBoost ID: 73037881


Whittier, CA 90605

Jinx is a brown and black chihuahua who has a back leg injury that causes her to waddle She also has fur loss

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Lost Male Dog last seen School, Compton, CA 90222

Reported 3 weeks ago, updated 3 days ago

Oscar Male Dog

LOST PawBoost ID: 73079963


Compton, CA 90222

Mexican hairless. Hes grayish black. Hes a bit bigger than a chihuahua.

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Lost Male Dog last seen John Adams elementary on border, Corona, CA 92882

Reported 1 week ago, updated 3 days ago

Beu Male Dog

LOST PawBoost ID: 73126004


Corona, CA 92882

Boston terrier mixed

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Lost Female Dog last seen Santa Fe Ave & W Cameron St, Long Beach, CA 90810

Reported 4 weeks ago, updated 3 days ago

Nala Female Dog

LOST PawBoost ID: 73041080


Long Beach, CA 90810

Cane corso, medium size but still a baby

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Lost Female Dog last seen Cadmium Court and Sapphire Road, Chino Hills, CA 91709

Reported 5 years ago, updated 3 days ago

Roxy Female Dog

LOST PawBoost ID: 66773505


Chino Hills, CA 91709

!2 year old Boxer mix, muzzle graying with age, wearing an orange web collar and red, white & black plaid sweater. She got out of the garage. Not used to being outside in the cold and wet weather. Has some medical issues.

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Lost Dog Data for Costa Mesa, CA

There are 683 lost dogs in Costa Mesa, CA.

Find Local Dog Shelters in Costa Mesa, 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?

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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 Costa Mesa?

With our free tools and premium add-on services, PawBoost helps lost dog owners find their furry loved ones – 2,268,109 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 Costa Mesa 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 Costa Mesa, 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 Costa Mesa area. Millions of pet lovers have signed up for our local lost & found pet alerts, and that includes pet lovers near Costa Mesa!

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.