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Lost Pets Database for Costa Mesa, CA

Search lost and found pets in the Costa Mesa area with PawBoost.

1702 lost pets in your search

Lost Female Dog last seen Lomita blvd, Carson, CA 90745

Reported 1 month ago

Peachy Female Dog

LOST PawBoost ID: 73475897


Carson, CA 90745

Yorkie

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Lost Male Cat last seen East/Tumin, La Habra Heights, CA 90631

Reported 4 months ago, updated 1 month ago

Oscar Male Cat

LOST PawBoost ID: 73091739


La Habra Heights, CA 90631

Orange Tabby with white tipped tail, black freckles in nose, golden/green eyes, broken stripes on belly, pink toe pads and has a small nick on left ear. He is still missing and it has been 18 heart wrenching days without him. I miss Oscar so much. He was wearing a blue collar with his name and my cell phone number. Please be on the lookout for him and help bring my baby home.

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Lost Female Cat last seen Brea Blvd and Elm St., Brea, CA 92821

Reported 2 months ago, updated 1 month ago

Reese Female Cat

LOST PawBoost ID: 73414964


Brea, CA 92821

Brown and tan tabby with spots as well as stripes almost looks part bengal sometimes she’s very friendly and very petite for an adult cat

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Lost Female Dog last seen Crossroads church, Corona, CA 92881

Reported 2 months ago, updated 1 month ago

Rocket Female Dog

LOST PawBoost ID: 73379191


Corona, CA 92881

Black and white huskie

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Lost Male Cat last seen Gage/Greenwood, Bell Gardens, CA 90201

Reported 2 months ago, updated 1 month ago

Mochi Male Cat

LOST PawBoost ID: 73310768


Bell Gardens, CA 90201

My son's cat Mochi, has been missing since 8/7/2026

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Lost Male Cat last seen Newhope, Fountain Valley, CA 92708

Reported 1 month ago, updated 1 month ago

Bart Male Cat

LOST PawBoost ID: 73438571


Fountain Valley, CA 92708

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Lost Male Cat last seen E calle pantano, Anaheim ca 92807, Anaheim, CA 92807

Reported 2 months ago, updated 1 month ago

Boots Male Cat

LOST PawBoost ID: 73386998


Anaheim, CA 92807

Tuxedo cat with white on all 4 paws. Last seen with animal print bow-tie collar and a fish shaped name tag that said pest control

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Lost Female Cat last seen Hacienda Dr, Huntington Beach, CA, Huntington Beach, CA 92647

Reported 2 months ago, updated 1 month ago

Esther Female Cat

LOST PawBoost ID: 73406469


Huntington Beach, CA 92647

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Lost Female Dog last seen Leffingwell and Studebaker, Norwalk, CA 90650

Reported 1 month ago

Lola Female Dog

LOST PawBoost ID: 73473627


Norwalk, CA 90650

Bulldog

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Lost Female Cat last seen Beach Blvd and McFadden Ave, Midway City, CA 92655

Reported 1 month ago

Sodapop Female Cat

LOST PawBoost ID: 73473507


Midway City, CA 92655

Grey and white stripes white paws rhinestone collar

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Lost Male Cat last seen Bravata Dr, Huntington Harbour, Huntington Beach, CA 92649

Reported 3 months ago, updated 1 month ago

Omar Male Cat

LOST PawBoost ID: 73299158


Huntington Beach, CA 92649

Grey tabby with white paws and chest. Ear-tipped. Friendly but initially shy.

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Lost Male Cat last seen Clare street and palm ave, Whittier, CA 90601

Reported 2 months ago, updated 1 month ago

Kitten Male Cat

LOST PawBoost ID: 73339356


Whittier, CA 90601

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Lost Female Cat last seen westminster mall, Westminster, CA 92683

Reported 5 months ago, updated 1 month ago

Sosa Female Cat

LOST PawBoost ID: 72941376


Westminster, CA 92683

she’s a tiny little tuxedo cat, she’s a shorthair and has a fluffy chest, she has a kink at the base of her tail. she was in her little pink/purple collar with a star bell on it

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Lost Female Dog last seen Pavo and Lomina, Long Beach, CA 90808

Reported 3 months ago, updated 1 month ago

Della Female Dog

LOST PawBoost ID: 73262283


Long Beach, CA 90808

Small caramel colored dog with white markings and white paws

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Lost Male Cat last seen Yearling delawmo, Lakewood, CA 90712

Reported 1 month ago

Mew Mew Male Cat

LOST PawBoost ID: 73472247


Lakewood, CA 90712

Cat black and white

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Lost Female Dog last seen between 7th & 8th street! GAVIOTA, Long Beach, CA 90813

Reported 1 month ago, updated 1 month ago

Special Female Dog

LOST PawBoost ID: 73463795


Long Beach, CA 90813

Yorkie! Black patch of hair by tail!

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Lost Male Cat last seen Chapman Ave in between Casa Del Maria apts and the cndmniums, Fullerton, CA 92831

Reported 2 months ago, updated 1 month ago

Mofongo Male Cat

LOST PawBoost ID: 73393323


Fullerton, CA 92831

All black cat with bell collar; possibly Bombay or mixed breed

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Lost Female Dog last seen Rose Dr., Blake, Yorba Linda, CA 92886

Reported 1 month ago, updated 1 month ago

Luna Female Dog

LOST PawBoost ID: 73462446


Yorba Linda, CA 92886

Siberian Husky, White with blue eyes

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Lost Female Cat last seen Hacienda, La Puente, CA 91744

Reported 2 months ago, updated 1 month ago

Princess Female Cat

LOST PawBoost ID: 73338208


La Puente, CA 91744

View Pet

Lost Male Dog last seen Near E Rosecrans Brea, Brea, CA 92821

Reported 1 month ago

Rourou Male Dog

LOST PawBoost ID: 73470993


Brea, CA 92821

Eight-year-old male toy poodle. He has black fur, he’s small, and weighs approximately

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Lost Pet Data for Costa Mesa, CA

There are 1702 lost pets in Costa Mesa, CA.

Find Local Pet Shelters in Costa Mesa, CA

PawBoost has communities of pet-lovers across the country and beyond that help find missing pets, and that means partnerships with pet 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 Pet Sooner with PawBoost

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

How do I find my pet? Do I have to visit the pet 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 pet owners find their furry loved ones – 2,351,374 pets reunited and counting!

Find your lost pet faster with PawBoost.

Report Lost Pet

Frequently Asked Questions

I lost my pet. What should I do?

Take advantage of online platforms – they help you get the word out, quickly and easily. You can report your lost pet 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 pet to our lost & found, and make a lost pet flyer – all for free.

Other sites that help you raise local awareness for your lost pet 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 pet'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 pet for more actionable tips.

Where do I report a lost pet in Costa Mesa, CA?

If you lost a pet, we would like to help. You can report a lost pet to PawBoost for free to help find your pet 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 pet?

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

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.