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Lost Pets Database for Costa Mesa, CA

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

1679 lost pets in your search

Lost Male Cat last seen Unknown location, Hawaiian Gardens, CA 90716

Reported 1 month ago, updated 1 week ago

Capu Male Cat

LOST PawBoost ID: 72931174


Hawaiian Gardens, CA 90716

Please call me if seen , green to yellow eyes, tip of tail is crooked he is microchipped please call me if seen or have him. Please he is very missed!!562**277**5812**

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Lost Female Cat last seen Montoya and S Vicentia Ave, Corona, CA 92882

Reported 1 month ago, updated 1 week ago

Fluffy Female Cat

LOST PawBoost ID: 72927534


Corona, CA 92882

Black and white long haired small cat.

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Lost Unknown Bird last seen Wilson and National, Costa Mesa, CA 92627

Reported 2 months ago, updated 1 week ago

Sailor Unknown Bird

LOST PawBoost ID: 72827452


Costa Mesa, CA 92627

Very soft light aqua coloring with light orange cap white chest Dutch Blue

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Lost Male Dog last seen Downey Ave y Comelette, Downey, CA 90242

Reported 1 week ago

Benji/chiquita Male Dog

LOST PawBoost ID: 73025718


Downey, CA 90242

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Lost Female Cat last seen Horst and 223rd , Hawaiian Gardens, CA 90716

Reported 2 weeks ago, updated 1 week ago

Zoey Female Cat

LOST PawBoost ID: 72988823


Hawaiian Gardens, CA 90716

The cat on the right, who is sandy brown.

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Lost Male Cat last seen western ave, Los Angeles, CA 90732

Reported 4 months ago, updated 1 week ago

Salem Male Cat

LOST PawBoost ID: 72636056


Los Angeles, CA 90732

black cat with a distinct white smiley face on his lower belly, he also has two white dots on the top inside of his right ear

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Lost Female Dog last seen Springdale and Warner , Huntington Beach, CA 92649

Reported 1 week ago, updated 1 week ago

Bell Female Dog

LOST PawBoost ID: 73025518


Huntington Beach, CA 92649

Small chihuahua

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Lost Male Dog last seen Fernwood Ave, Lynwood, CA 90262

Reported 3 weeks ago, updated 1 week ago

Scrappy Male Dog

LOST PawBoost ID: 72982894


Lynwood, CA 90262

Brown and Black Chihuahua with a white marking on his chest. With big brown eyes and wearing a black collar.

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Lost Male Cat last seen Violet and almond off palmyra, Orange, CA 92869

Reported 1 month ago, updated 1 week ago

Simon Male Cat

LOST PawBoost ID: 72911475


Orange, CA 92869

Brown tabby no collar

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Lost Male Cat last seen Ferina St, Ibex Ave, Grayland Ave, Norwalk, CA 90650

Reported 2 months ago, updated 1 week ago

Junior Male Cat

LOST PawBoost ID: 72770469


Norwalk, CA 90650

Has anyone seen my orange + white fluff ball Junior? He's been missing for a long time now :*( Been feeding their mom and dads since before she was pregnant with them. I was just about to get him neutered + vaccinated + chipped and take him in along with his sister. I got everything done for his sister and she's been 100% indoors for a while now. Junior was beginning to become an indoor cat. I did C&R for their mom and the dads have moved on to different h0mes. His sister misses him a lot (they're a bonded pair). Last spotted in my backyard, around Highdale & Ferina St in Norwalk. I can provide many more pics of him.

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Lost Male Dog last seen Northam y geminis, Los Angeles County, CA 91744

Reported 1 week ago

Kilo Duarte Male Dog

LOST PawBoost ID: 73025126


Los Angeles County, CA 91744

Un chihuahua color cafe chocolate ya no tiene dientes su lavio inferior acabado y ojitos blancos casi siego

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Lost Male Dog last seen MAGNOLIA AND GERTRUDE, Lynwood, CA 90262

Reported 9 months ago, updated 1 week ago

Jerry Male Dog

LOST PawBoost ID: 72095506


Lynwood, CA 90262

CHIHUAHUA-SHIH TZU MIX

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Lost Female Dog last seen Civic Center/English, Santa Ana, CA 92703

Reported 3 weeks ago, updated 1 week ago

Muffin Female Dog

LOST PawBoost ID: 72964902


Santa Ana, CA 92703

White and grey with spots

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Lost Male Cat last seen Bunker Hill / Howard, Los Alamitos, CA 90720

Reported 1 month ago, updated 1 week ago

Spooky Male Cat

LOST PawBoost ID: 72894964


Los Alamitos, CA 90720

Black- left ear is clipped long hair

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Lost Male Cat last seen Garage of the house, Diamond Bar, CA 91765

Reported 1 month ago, updated 1 week ago

Sesame Male Cat

LOST PawBoost ID: 72926270


Diamond Bar, CA 91765

Gray black and white tabby. White paws. Frail and light weight, slow to walk. Matted Fur

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Lost Male Cat last seen Goldenwest & Slater, Huntington Beach, CA 92647

Reported 1 month ago, updated 1 week ago

Monte Male Cat

LOST PawBoost ID: 72900791


Huntington Beach, CA 92647

“Blue point” Siamese mix cat, 9lbs, blue eyes

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Lost Female Dog last seen Rimpau and Spruce, Corona ,ca, Corona, CA 92882

Reported 1 year ago, updated 1 week ago

Blanca&baby Female Dog

LOST PawBoost ID: 71336968


Corona, CA 92882

White Siberian huskies, one has blue eyes the other has brown eyes. They are still missing as of 2/6/26

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Lost Female Bird last seen Flower st and Lakewood blvd, Bellflower, CA 90706

Reported 8 months ago, updated 1 week ago

Kobi Female Bird

LOST PawBoost ID: 72189771


Bellflower, CA 90706

A sun conure with a mostly orange and yellow body and green on her wings/tail.

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Lost Male Cat last seen Mcdonald & D St., Los Angeles, CA 90744

Reported 1 week ago

Pumpkin Male Cat

LOST PawBoost ID: 73024102


Los Angeles, CA 90744

Orange with green eyes

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Lost Male Dog last seen Stanton & Whitaker st , Buena Park, CA 90621

Reported 1 month ago, updated 1 week ago

Rocko Male Dog

LOST PawBoost ID: 72893336


Buena Park, CA 90621

Tan with black back

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Lost Pet Data for Costa Mesa, CA

There are 1679 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?

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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 – 2,245,949 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.