Rancho Cucamonga, CA - Lost Dogs, Cats & Pets - PawBoost

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Rancho Cucamonga, CA - Lost Dogs, Cats & Pets - PawBoost

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We share lost&found pet alerts for Rancho Cucamonga. We also share found dogs, cats, & pets. Do you have a lost pet in Rancho Cucamonga?

Report lost pet: pawboost.com/fb/rancho_cucamonga_ca

Your Rancho Cucamonga area lost dog, lost cat, or lost pet will be shared here after you create your report. Report it to PawBoost here: https://www.pawboost.com/fb/rancho_cucamonga_ca

Please LIKE this page so you can be in on the search when a lost dog, lost cat, lost bird & other lost pets go missing in the Rancho Cucamonga area. We also share found dogs, found cats, found birds, and other found pets to this page. Together, we can help more stray animals get home safe :)

Curious how PawBoost works? Read our FAQs here: https://www.pawboost.com/blog/pawboost-faqs/

Best of luck!!

11/13/2026

🚨 This cat was SIGHTED TODAY in Upland, CA 91786 near 7th and bixby way.
Please spread the word for this found cat by sharing this post.

🐾 Description: "Large grey cat, comes around every once in a while but is always scared away by another stray that hangs around more often. There the only two strays I see on my street but they both looked like they used to be pets. "

🔗 For more info or to contact this cat's finder, click here: https://www.pawboost.com/p/73632735

📣 Lost or found a pet? Report it to PawBoost here: https://www.pawboost.com/l/rpl

⚠️ WARNING: Please be cautious of users offering ‘pet tracking services’ in comments. We recommend only working with local shelters and verified organizations. Never send money to unknown services.

11/12/2026

🚨 Bowie was LOST TODAY in Rancho Cucamonga, CA 91701 near Hellman and Seventh.
Please spread the word for this lost cat by sharing this post.

💬 Owner's Message: "Please help me find him he means so much to my brother. He loves food and is friendly his right ear is cut"

🐾 Description: "Orange and White long haired Cat"

🔗 For more info or to contact Bowie's owner, click here: https://www.pawboost.com/p/73631458

📣 Lost or found a pet? Report it to PawBoost here: https://www.pawboost.com/l/rpl

⚠️ WARNING: Please be cautious of users offering ‘pet tracking services’ in comments. We recommend only working with local shelters and verified organizations. Never send money to unknown services.

11/12/2026

UPDATE: REUNITED!! Bowie is home safe & sound after 3 hours, 16 minutes :)

"Thank you everyone for your support! Much appreciated. He's been missing about 12 hours. Thinking he may just be hiding somewhere close by. Put his favorite food out and within the hour I see him eating and went out and got him back inside. Thank you again. Been so worried about him. He has no idea about living on the outside. He'll be nice and warm tonight!!"
-Bowie's Owner
🚨 Bowie was LOST TODAY in Ontario, CA 91764 near Campus.
Please spread the word for this lost cat by sharing this post.

💬 Owner's Message: "He’s an inside cat. Probably hiding He has been neutered "

🐾 Description: "Orange and white"

🔗 For more info or to contact Bowie's owner, click here: https://www.pawboost.com/p/73631225

📣 Lost or found a pet? Report it to PawBoost here: https://www.pawboost.com/l/rpl

⚠️ WARNING: Please be cautious of users offering ‘pet tracking services’ in comments. We recommend only working with local shelters and verified organizations. Never send money to unknown services.

11/12/2026

Spread the great news: Sunny has been reunited with her family after 4 days, 2 hours! Here is a picture of her home safe and sound :)

"I can’t thank everyone enough for taking the time to help my family and our baby make it home safe! 💖🙌"
-Sunny's Owner

Lost or found a pet? Report it to PawBoost here: https://www.pawboost.com/l/rpr

11/11/2026

UPDATE: REUNITED!! Bella is home safe & sound after 16 hours, 10 minutes :)

"Thank you everyone for your help and concerns, fortunately she came back home on her own in the middle of the night. Thank you again, we are so happy to have her back home."
-Bella's Owner
🚨 Bella was LOST TODAY in Ontario, CA 91761 near Philadelphia st and Grove Ave.
Please spread the word for this lost dog by sharing this post.

💬 Owner's Message: "Our poor Bella has been with us since 2015, she is part of our family and we are devastated that she is no where to be found. 😢 If you have any information please let us know! 🙏🏼 "

🐾 Description: "Light brown poodle"

🔗 For more info or to contact Bella's owner, click here: https://www.pawboost.com/p/73627452

📣 Lost or found a pet? Report it to PawBoost here: https://www.pawboost.com/l/rpl

⚠️ WARNING: Please be cautious of users offering ‘pet tracking services’ in comments. We recommend only working with local shelters and verified organizations. Never send money to unknown services.

11/11/2026

🚨 This dog was SIGHTED TODAY in Ontario, CA 91764 near Cesar's Market, 1050 N Sultana Ave, Ontario, CA 91764.
Please spread the word for this found dog by sharing this post.

💬 Finder's Message: "This was a sighting at 3am today. We spent a good hour trying to get her in our car to no avail. "

🐾 Description: "Fluffy cream/white coat, crooked smile, floppy ears with slight tan/darker tips, medium build, no collar, playful yet hesitent demeanor."

🔗 For more info or to contact this dog's finder, click here: https://www.pawboost.com/p/73625755

📣 Lost or found a pet? Report it to PawBoost here: https://www.pawboost.com/l/rpl

⚠️ WARNING: Please be cautious of users offering ‘pet tracking services’ in comments. We recommend only working with local shelters and verified organizations. Never send money to unknown services.

11/10/2026

🚨 This dog was FOUND TODAY in Rancho Cucamonga, CA 91737 near WILSON ST / CERVANTES.
Please spread the word for this found dog by sharing this post.

💬 Finder's Message: "old man dog friendly "

🐾 Description: "black with grey "

🔗 For more info or to contact this dog's finder, click here: https://www.pawboost.com/p/73622751

📣 Lost or found a pet? Report it to PawBoost here: https://www.pawboost.com/l/rpl

⚠️ WARNING: Please be cautious of users offering ‘pet tracking services’ in comments. We recommend only working with local shelters and verified organizations. Never send money to unknown services.

11/10/2026

🚨 This dog was FOUND TODAY in Rancho Cucamonga, CA 91737 near Lemon near Archibald, Rancho Cucamonga.
Please spread the word for this found dog by sharing this post.

💬 Finder's Message: "Will hold for an hour, then take to Upland Animal Shelter."

🐾 Description: "2 large beautiful dogs, very friendly."

🔗 For more info or to contact this dog's finder, click here: https://www.pawboost.com/p/73622192

📣 Lost or found a pet? Report it to PawBoost here: https://www.pawboost.com/l/rpl

⚠️ WARNING: Please be cautious of users offering ‘pet tracking services’ in comments. We recommend only working with local shelters and verified organizations. Never send money to unknown services.

11/10/2026

🚨 This cat was SIGHTED TODAY in Upland, CA 91786 near Claremont Blvd, Upland, CA.
Please spread the word for this found cat by sharing this post.

🐾 Description: "Small, petite Lynx Point mix (looks young, either under a year or petite) with fluffy cream fur, light blue cross-eyes, and striped gray markings. Spotted at 8:15 PM"

🔗 For more info or to contact this cat's finder, click here: https://www.pawboost.com/p/73620577

📣 Lost or found a pet? Report it to PawBoost here: https://www.pawboost.com/l/rpl

⚠️ WARNING: Please be cautious of users offering ‘pet tracking services’ in comments. We recommend only working with local shelters and verified organizations. Never send money to unknown services.

11/10/2026

🚨 This cat was FOUND TODAY in Rancho Cucamonga, CA 91730 near hermosa and placer.
Please spread the word for this found cat by sharing this post.

🐾 Description: "domestic shorthair tabby"

🔗 For more info or to contact this cat's finder, click here: https://www.pawboost.com/p/73620524

📣 Lost or found a pet? Report it to PawBoost here: https://www.pawboost.com/l/rpl

⚠️ WARNING: Please be cautious of users offering ‘pet tracking services’ in comments. We recommend only working with local shelters and verified organizations. Never send money to unknown services.

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Rancho Cucamonga, CA

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https://www.pawboost.com/fb/rancho_cucamonga_ca

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