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Lost Dogs Database for San Mateo, CA

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

282 lost dogs in your search

Lost Female Dog last seen San Lorenzo, San Lorenzo, CA 94580

Reported 6 days ago, updated 6 days ago

Nena Female Dog

LOST PawBoost ID: 73610355


San Lorenzo, CA 94580

Gray with white

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Lost Male Dog last seen Ashby, Berkeley, CA 94705

Reported 6 days ago

Benji Male Dog

LOST PawBoost ID: 73611129


Berkeley, CA 94705

White with with black ears, and deposit on chest

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Lost Male Dog last seen Weld, Oakland, CA 94621

Reported 2 weeks ago, updated 6 days ago

Hardia Male Dog

LOST PawBoost ID: 73564009


Oakland, CA 94621

Kari is blind in one eye the left eye he’s white haircut short I cut it short and he has distinct black bump on his butt. His name is diary.

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Lost Male Dog last seen Packrad, San Francisco, CA 94014

Reported 7 days ago

Duke Male Dog

LOST PawBoost ID: 73609257


San Francisco, CA 94014

Small Yorkie

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Lost Male Dog last seen Cherry Guardino, walnut, Fremont, CA 94536

Reported 5 months ago, updated 7 days ago

Cloud Male Dog

LOST PawBoost ID: 73053367


Fremont, CA 94536

White maltipoo with blue harness and e collar

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Lost Female Dog last seen California and San Antonio, Mountain View, CA 94040

Reported 1 week ago

Mayan (danty) Female Dog

LOST PawBoost ID: 73608136


Mountain View, CA 94040

Black. Looks like small German Shepard

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Lost Male Dog last seen main street, Alameda, CA, Alameda, CA 94501

Reported 2 weeks ago, updated 1 week ago

Moose Male Dog

LOST PawBoost ID: 73563726


Alameda, CA 94501

Hound / Pitbull mix - ~60lbs, always happy to see another person and LOVES to run in wide open spaces. He has a wiggle in his gate and he is a little shorter than his younger brother Milo.

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Lost Male Dog last seen Main Street on the island believed new location, Alameda, CA 94501

Reported 3 weeks ago, updated 1 week ago

Milo Male Dog

LOST PawBoost ID: 73560522


Alameda, CA 94501

Large head, goofy attitude and always ready to play. Shy at first, pure love that is sometimes scared in strange places. Answers to Milo.

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Lost Male Dog last seen 16TH AND MISSION STREET, San Francisco, CA 94115

Reported 3 months ago, updated 1 week ago

Malsi Male Dog

LOST PawBoost ID: 73313930


San Francisco, CA 94115

Black and Tan with White and Blue Eyes

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Lost Male Dog last seen The Berkeley Marina, Berkeley, CA 94710

Reported 2 months ago, updated 1 week ago

Hercules Male Dog

LOST PawBoost ID: 73352760


Berkeley, CA 94710

Medium size Brown American bully very friendly very sweet go by Hercules very food orientated does not like anything on wheels

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Lost Female Dog last seen Oakland Ave. and Santa Rosa Ave, Oakland, CA 94610

Reported 1 week ago

Nutter Female Dog

LOST PawBoost ID: 73604053


Oakland, CA 94610

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Lost Female Dog last seen Near Potrero Hill maybe, San Francisco, CA 94107

Reported 1 week ago

Luna Female Dog

LOST PawBoost ID: 73603333


San Francisco, CA 94107

Tan Chihuahua Mix

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Lost Female Dog last seen Ben’s burger, Oakland, CA 94605

Reported 9 months ago, updated 1 week ago

Bella Female Dog

LOST PawBoost ID: 72605946


Oakland, CA 94605

Black, white tan and gray, she’s is about 5-7lbs

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Lost Male Dog last seen E19th 22nd Ave Foothill Oakland, Oakland, CA 94606

Reported 1 year ago, updated 1 week ago

Trevor Male Dog

LOST PawBoost ID: 72231718


Oakland, CA 94606

he is a black and white color i drive around dog park tried everything next door craigslist Facebook and i still cannot find him if you have him please call return him to me he been with me for 11 years there is a $500 cash reward

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Lost Male Dog last seen Richmond Pkwy and Barrett Ave, Richmond, CA 94808

Reported 5 years ago, updated 1 week ago

E Male Dog

LOST PawBoost ID: 67920523


Richmond, CA 94808

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Lost Male Dog last seen Bancroft, Oakland, CA 94621

Reported 1 week ago

Trouble Male Dog

LOST PawBoost ID: 73593949


Oakland, CA 94621

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Lost Male Dog last seen humbolt neighborhood, Oakland, CA 94601

Reported 1 week ago

Baby King Male Dog

LOST PawBoost ID: 73593723


Oakland, CA 94601

white with brown

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Lost Female Dog last seen Near y Bancroft ave oakland california, Oakland, CA 94621

Reported 1 week ago

Nena Female Dog

LOST PawBoost ID: 73592805


Oakland, CA 94621

Chikita y viejita

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Lost Male Dog last seen Near Bancroft Ave Oakland CA 94605, Oakland, CA 94605

Reported 2 weeks ago

Trouble Male Dog

LOST PawBoost ID: 73590608


Oakland, CA 94605

Hazel Green eyes beautiful beige with red nose. Runt of litter.

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Lost Male Dog last seen Behind motell six playing with a black dig., Oakland, CA 94606

Reported 1 month ago, updated 2 weeks ago

Cypress Male Dog

LOST PawBoost ID: 73470073


Oakland, CA 94606

Tan with grey snow and white markings.

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Lost Dog Data for San Mateo, CA

There are 282 lost dogs in San Mateo, CA.

Find Local Dog Shelters in San Mateo, 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 San Mateo?

With our free tools and premium add-on services, PawBoost helps lost dog owners find their furry loved ones – 2,354,132 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 San Mateo 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 San Mateo, 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 San Mateo area. Millions of pet lovers have signed up for our local lost & found pet alerts, and that includes pet lovers near San Mateo!

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.