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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 Female Dog last seen Harbor shelter, Los Angeles, CA 90731

Reported 5 months ago, updated 3 weeks ago

Brown Female Dog

LOST PawBoost ID: 72483421


Los Angeles, CA 90731

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Lost Male Dog last seen Alondra, Compton, CA 90221

Reported 2 months ago, updated 3 weeks ago

Rusty Male Dog

LOST PawBoost ID: 72825928


Compton, CA 90221

Brown with white legs, left ear stays up while the right is floppy

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Lost Female Cat last seen Alondra Blvd &Bloomfield@ Norwalk Ca 90650, Norwalk, CA 90650

Reported 9 months ago, updated 3 weeks ago

Pepper Female Cat

LOST PawBoost ID: 72061956


Norwalk, CA 90650

Blk,brown white&orange

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Lost Female Cat last seen I’m located towards main and Washington. But the whole entire neighborhood (surgeon), Santa Ana, CA 92701

Reported 3 weeks ago

Tigress Female Cat

LOST PawBoost ID: 72973295


Santa Ana, CA 92701

Age: 6 (turns 7 this year 2026) Fur pattern/color: Tabby pattern (black, brown, and some white) Eye color: Green Special features. She has this little black dot on her certain of the nose. She does carry a pouch with her (her belly) *She is spayed*

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Lost Female Cat last seen Kramer and Chapman, Placentia, CA 92870

Reported 4 weeks ago, updated 3 weeks ago

CLOE Female Cat

LOST PawBoost ID: 72940595


Placentia, CA 92870

Cloe has blue eyes. She's an older large, spayed brown and white. her chest and whole bottom ofvher plus all feet and paws are white. Whole tail is dark brown.

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Lost Male Dog last seen Whittier and Beach, La Habra, CA 90631

Reported 3 weeks ago

Laylow Male Dog

LOST PawBoost ID: 72973032


La Habra, CA 90631

Black German Shepard- Bandana

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Lost Unknown Dog last seen Hacienda heights Colima and Azusa , Hacienda Heights, CA 91745

Reported 5 months ago, updated 3 weeks ago

Unknown Unknown Dog

LOST PawBoost ID: 72503437


Hacienda Heights, CA 91745

White

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Lost Male Cat last seen C Way, Pico Rivera, CA 90660

Reported 3 weeks ago, updated 3 weeks ago

Hallow Male Cat

LOST PawBoost ID: 72963610


Pico Rivera, CA 90660

Black with soft brown highlights

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Lost Male Cat last seen Valley View, Whittier, CA 90604

Reported 11 months ago, updated 3 weeks ago

Bodhi Male Cat

LOST PawBoost ID: 71817547


Whittier, CA 90604

Orange Tabby has freckles on nose

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Lost Male Dog last seen Valley Home, La Habra, CA 90631

Reported 3 weeks ago

Leo Cataldo Male Dog

LOST PawBoost ID: 72972547


La Habra, CA 90631

Leo has a collar on him that says Leo Cataldo’s

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Lost Male Cat last seen 166th and Gridley Rd., Artesia, CA 90703

Reported 1 year ago, updated 3 weeks ago

Goji Male Cat

LOST PawBoost ID: 71702534


Artesia, CA 90703

See Photo Poster

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Lost Male Dog last seen Santa Fe and Wardlow, Long Beach, CA 90810

Reported 4 months ago, updated 3 weeks ago

Wyatt & Scruffy Male Dog

LOST PawBoost ID: 72643657


Long Beach, CA 90810

One dog is a brown min pin and one dog is a small long haired dog

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Lost Female Cat last seen Near N Pasadena Ave, Long Beach, CA, Long Beach, CA 90806

Reported 2 months ago, updated 3 weeks ago

kit kat Female Cat

LOST PawBoost ID: 72876759


Long Beach, CA 90806

All white, 1 eye green 1 eye blue, might be a bit dirty, has a pink collar on

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Lost Female Cat last seen 8th & buena vista , Corona, CA 92882

Reported 3 weeks ago

Meow Female Cat

LOST PawBoost ID: 72971695


Corona, CA 92882

Completely all Grey

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Lost Female Cat last seen Villagio neighborhood , Yorba Linda, CA 92886

Reported 3 weeks ago

Ellie Female Cat

LOST PawBoost ID: 72971261


Yorba Linda, CA 92886

Gray stripped- shorthair

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Lost Male Dog last seen Near south east st Anaheim , Anaheim, CA 92805

Reported 3 weeks ago

Milo Male Dog

LOST PawBoost ID: 72971102


Anaheim, CA 92805

Blanco con cafe

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Lost Female Dog last seen Platt River Dr., Walnut, CA 91789

Reported 3 weeks ago

Bella Female Dog

LOST PawBoost ID: 72970763


Walnut, CA 91789

Thank you so much! I don't think she had a collar on. She is not chipped. Female 15 years old Mini Doberman pinscher mix 10 lbs or less

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Lost Male Dog last seen 7th and pacific in San Pedro ca, Los Angeles, CA 90731

Reported 1 month ago, updated 3 weeks ago

Milo Male Dog

LOST PawBoost ID: 72885199


Los Angeles, CA 90731

Old German Shepherd, dog black tan brown is chipped to me Paul McClafferty

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Lost Male Dog last seen Monrovia y Josephine st , Lynwood, CA 90262

Reported 4 weeks ago, updated 3 weeks ago

Teddy Male Dog

LOST PawBoost ID: 72941831


Lynwood, CA 90262

Color Brown White

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Lost Female Dog last seen Berwick and Braemar (neighborhood streets) or Marguerite and Hillcrest (main streets), Mission Viejo, CA 92691

Reported 3 weeks ago, updated 3 weeks ago

Noni Female Dog

LOST PawBoost ID: 72961301


Mission Viejo, CA 92691

Her coat is reddish brown with white fur around her collar, neck, and chest area. She’s wearing a red collar with a white AirTag holder with her name and phone number on it. The AirTag was intentionally removed and thrown into a remote bush off of Marguerite and Highland. She has white cataract on her right eye and semi white cataract on her left eye.

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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?

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 – 2,246,311 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.