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Lost Dogs Database for Castro Valley, CA

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

341 lost dogs in your search

Lost Male Dog last seen E 10th St and Railroad Ave, Pittsburg, CA 94565

Reported 3 months ago, updated 5 days ago

Parker Male Dog

LOST PawBoost ID: 72933536


Pittsburg, CA 94565

Small Brown Yorkie Mix

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Lost Male Dog last seen galindo street, Concord, CA 94519

Reported 3 weeks ago, updated 5 days ago

Scooby Male Dog

LOST PawBoost ID: 73271859


Concord, CA 94519

grey, white, and brown fur. Has no tail. Has no collar/harvest.

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Lost Female Dog last seen Hesperian and Arf, Hayward, CA 94545

Reported 3 weeks ago, updated 5 days ago

Lost Dog Female Dog

LOST PawBoost ID: 73264153


Hayward, CA 94545

Small tan terrier

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

Reported 6 months ago, updated 5 days 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 Arrowhead, Oakland, CA 94611

Reported 5 days ago

Prince Male Dog

LOST PawBoost ID: 73323439


Oakland, CA 94611

Chihuahua mix

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Lost Male Dog last seen 19th St & Bartlet, Richmond, CA 94801

Reported 6 days ago

Bart Male Dog

LOST PawBoost ID: 73322841


Richmond, CA 94801

Brown black papillon with white socks.

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Lost Male Dog last seen alameda, Alameda, CA 94501

Reported 6 days ago

Pop Male Dog

LOST PawBoost ID: 73322763


Alameda, CA 94501

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Lost Female Dog last seen Near regal ave, Hayward, CA 94544

Reported 2 months ago, updated 6 days ago

Ellie Female Dog

LOST PawBoost ID: 73119859


Hayward, CA 94544

Brown shitzu pomeranian

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Lost Male Dog last seen Folsom, San Francisco, CA 94110

Reported 3 weeks ago, updated 6 days ago

Gangster Male Dog

LOST PawBoost ID: 73268395


San Francisco, CA 94110

Gray patch and blue eyes

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Lost Male Dog last seen Glencourt Dr. and Arrowhead Dr. Oakland CA, Oakland, CA 94611

Reported 6 days ago

Prince Male Dog

LOST PawBoost ID: 73322712


Oakland, CA 94611

Black and Gold Chihuahua Mix

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Lost Male Dog last seen Alley of 74th, Oakland, CA 94621

Reported 1 week ago, updated 6 days ago

Flex Male Dog

LOST PawBoost ID: 73314978


Oakland, CA 94621

All grey, Clipped Tail , Chain Collar answers to flex

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Lost Female Dog last seen near Dracena Park, Piedmont, CA 94611

Reported 6 days ago

No Nsme Female Dog

LOST PawBoost ID: 73322463


Piedmont, CA 94611

cream chihuahua mix with black muzzle 16 lbs

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Lost Female Dog last seen Annapolis, Richmond, CA 94806

Reported 6 days ago

Champange Female Dog

LOST PawBoost ID: 73322395


Richmond, CA 94806

She’s a little apple chihuahua

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Lost Male Dog last seen International, Oakland, CA 94621

Reported 1 week ago, updated 6 days ago

Flex Male Dog

LOST PawBoost ID: 73314443


Oakland, CA 94621

Grey French Bulldog

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Lost Female Dog last seen Hacienda Drive and Noche Vista Lane, Tiburon, CA 94920

Reported 1 month ago, updated 6 days ago

Todo Female Dog

LOST PawBoost ID: 73183499


Tiburon, CA 94920

🚨 LOST DOG — TODO — HACIENDA DR. NEAR NOCHE VISTA LN. 18 years old · 15 lbs · DEAF · missing since Sat 7/25, 7:30 a.m. An Amazon driver left our gate open Saturday morning and Todo got out. We just moved to the neighborhood, so she doesn't know the area — and because she's deaf, she can't hear us calling. She is most likely hiding somewhere quiet and close by. Please take 60 seconds to check: Garages and sheds (she may have slipped in unnoticed) Under decks, porches, and cars Behind bushes, fences, and side yards Have a Ring or security camera facing the street? Please check Saturday 7/25, 6:30–8:30 a.m. and email me at rebeccajblakesley@gmail.com. Even footage without Todo in it helps — it tells us which direction she didn't go. Thank you so much. 🙏 — Rebecca

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Lost Male Dog last seen E. 9th St. and Los Medanos St. Pittsburg, CA, Pittsburg, CA 94565

Reported 2 years ago, updated 6 days ago

Jax Male Dog

LOST PawBoost ID: 70488156


Pittsburg, CA 94565

Black and brown/tan chipin (chihuahua miniature pinscher mix) with white fur patches on his chest, snout, and rear paws.

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Lost Male Dog last seen hmstd and La Vista Road, Walnut Creek, CA 94598

Reported 5 months ago, updated 7 days ago

Ritchie Male Dog

LOST PawBoost ID: 72700952


Walnut Creek, CA 94598

Terrier mix

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Lost Male Dog last seen Mount Eden High School, Hayward, CA 94545

Reported 2 years ago, updated 7 days ago

Kush Male Dog

LOST PawBoost ID: 70715942


Hayward, CA 94545

Black and White dog

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Lost Male Dog last seen Upstairs above the keren cafe, Oakland, CA 94608

Reported 7 days ago

Ody Male Dog

LOST PawBoost ID: 73319144


Oakland, CA 94608

It’s a small 8-month-old white dog, it’s very dosil and affectionate , it gets scared by loud noises

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Lost Female Dog last seen Hegenberger in Oakland, Oakland, CA 94621

Reported 5 years ago, updated 7 days ago

Feya Female Dog

LOST PawBoost ID: 67063219


Oakland, CA 94621

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Lost Dog Data for Castro Valley, CA

There are 341 lost dogs in Castro Valley, CA.

Find Local Dog Shelters in Castro Valley, 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 Castro Valley?

With our free tools and premium add-on services, PawBoost helps lost dog owners find their furry loved ones – 2,301,115 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 Castro Valley 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 Castro Valley, 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 Castro Valley area. Millions of pet lovers have signed up for our local lost & found pet alerts, and that includes pet lovers near Castro Valley!

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.