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

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

re found dogs, found cats, found birds, and other found pets to this page. Together, we can help more stray animals get home safe :)

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🚨Cookie was LOST on June 10, 2026 in Pomona, CA 91762 near Grand and Dorset in pomona.Please spread the word for this lo...
06/13/2026

🚨Cookie was LOST on June 10, 2026 in Pomona, CA 91762 near Grand and Dorset in pomona.
Please spread the word for this lost dog by sharing this post.

💬 Owner's Message: "This little guy got out Wednesday and we're its sad because its my 1 year olds pal. Another worry is hes in a special diet because he has stomach issues."

🔗 For more info or to contact Cookie's owner, click here: https://www.pawboost.com/p/73003503

📣 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.

🚨Dalila was LOST on June 10, 2026 in Rancho Cucamonga, CA 91739 near highstone manor ct.Please spread the word for this ...
06/12/2026

🚨Dalila was LOST on June 10, 2026 in Rancho Cucamonga, CA 91739 near highstone manor ct.
Please spread the word for this lost cat by sharing this post.

💬 Owner's Message: "Regardless if found alive or not, please call me."

🐾 Description: "Siamese with tan fur and collar with Apple AirTag"

🔗 For more info or to contact Dalila's owner, click here: https://www.pawboost.com/p/72998081

📣 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.

🚨Boris was LOST on June 10, 2026 in Ontario, CA 91762 near Cedar and almond..Please spread the word for this lost cat by...
06/12/2026

🚨Boris was LOST on June 10, 2026 in Ontario, CA 91762 near Cedar and almond..
Please spread the word for this lost cat by sharing this post.

💬 Owner's Message: "Boris is a indoor cat who got out 2 nights ago she got out before but came back ins. Few hours this time theres been no signs of her . Please keep an eye out thats my 7 year olds partner in crime. He is crushed right now . I wont rest until shes found. Thank you!"

🐾 Description: "Grey with stripes"

🔗 For more info or to contact Boris's owner, click here: https://www.pawboost.com/p/72997685

📣 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.

🚨Luna L. was LOST on May 16, 2026 in Upland, CA 91786 near Arrow hwy between Mountain and Benson .Please spread the word...
06/12/2026

🚨Luna L. was LOST on May 16, 2026 in Upland, CA 91786 near Arrow hwy between Mountain and Benson .
Please spread the word for this lost dog by sharing this post.

💬 Owner's Message: "We need your help to find our lost family member and so heartbroken that she's missing . We love her and want her home.
We appreciate the help. Thank you so very much with helping us to bring her home. The Brandons 🩷🐕🤞"

🐾 Description: "Black German shepherd with a small white spot on her chest. She's very sweet and she's a big dog."

🔗 For more info or to contact Luna L.'s owner, click here: https://www.pawboost.com/p/72996989

📣 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.

🚨Max was LOST on June 6, 2026 in Rancho Cucamonga, CA 91701 near Hillside & Saphire.Please spread the word for this lost...
06/12/2026

🚨Max was LOST on June 6, 2026 in Rancho Cucamonga, CA 91701 near Hillside & Saphire.
Please spread the word for this lost cat by sharing this post.

💬 Owner's Message: "Our daughter's cat Max went missing and we could usd some help finding him. He doesn't go out much, but had spent the night a few times, this was one of those times. He would usually be found on the back porch in the morning hours, but not this time. If you see or have seen him, please let me know, thank you."

🐾 Description: "Grey/black/white tabby"

🔗 For more info or to contact Max's owner, click here: https://www.pawboost.com/p/72996471

📣 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.

UPDATE: REUNITED!! Mack is home safe & sound after 9 minutes :)🚨Mack was LOST on June 11, 2026 in Rancho Cucamonga, CA...
06/12/2026

UPDATE: REUNITED!! Mack is home safe & sound after 9 minutes :)

🚨Mack was LOST on June 11, 2026 in Rancho Cucamonga, CA 91701 near Carnelian and Lemon .
Please spread the word for this lost dog by sharing this post.

💬 Owner's Message: "Mack got out today when the gate was left open he is a kind sweet dog. Please help "

🐾 Description: "Black and white Husky blue eyes "

🔗 For more info or to contact Mack 's owner, click here: https://www.pawboost.com/p/72996424

📣 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.

🚨Dilr was LOST on June 3, 2026 in Ontario, CA 91761 near Euclid and Mission .Please spread the word for this lost dog by...
06/12/2026

🚨Dilr was LOST on June 3, 2026 in Ontario, CA 91761 near Euclid and Mission .
Please spread the word for this lost dog by sharing this post.

💬 Owner's Message: "LOOKING FOR GOOD SAMARITAN WHO PICKED UP "DIOR"
ONTARIO CA
Euclid & Mission 6/3 @ 12:56pm
Euclid Elementary School

"Dior" went missing on 6/3
Family has been searching high and low & recently obtained video footage of a Good Samaritan picking her up in the school parking lot.

Vehicle black 2024-2025 Frontier Frontier Pro 4-X
License plate being withheld per law enforcement
Distinct custom wheels

Male white/Hispanic
Approx 20-30 yrs old
Seen in video picking up Dior from traffic lanes & returning back to pick up truck.
Headed southbound on Euclid per cameras in area

Additional video footage being reviewed by Ontario PD

Have yet to hear from this Good Samaritan & hoping they will see all the social media posts/fliers in area
Are you keeping this beloved family dog safe?
Anyone recognize this young man?
Please reach out so we can arrange her reunion"

🐾 Description: "Black and Tan with short hair"

🔗 For more info or to contact Dilr's owner, click here: https://www.pawboost.com/p/72996389

📣 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.

🚨dior was LOST on June 3, 2026 in Ontario, CA 91762 near W. Ralston st and Euclid avenue .Please spread the word for thi...
06/11/2026

🚨dior was LOST on June 3, 2026 in Ontario, CA 91762 near W. Ralston st and Euclid avenue .
Please spread the word for this lost dog by sharing this post.

💬 Owner's Message: "Someone stole my dog in a black chevrolet silverado at these crossbreeds "

🐾 Description: "Female yorkie teacup 4 years old "

🔗 For more info or to contact dior's owner, click here: https://www.pawboost.com/p/72994937

📣 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.

Spread the great news: Cutiegirl has been reunited with her family after 3 days, 8 hours! Here is a picture of her home ...
06/11/2026

Spread the great news: Cutiegirl has been reunited with her family after 3 days, 8 hours! Here is a picture of her home safe and sound :)

"Thanks so much our beloved cat Cutiegirl came back yesterday and is safe and sound. "
-Cutiegirl's Owner

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

🚨Little Bit was LOST on June 8, 2026 in Montclair, CA 91763 near Orchard St. and Poulsen Ave .Please spread the word for...
06/11/2026

🚨Little Bit was LOST on June 8, 2026 in Montclair, CA 91763 near Orchard St. and Poulsen Ave .
Please spread the word for this lost dog by sharing this post.

💬 Owner's Message: "She is a mother to 4 pups and they need her. She is my baby and I miss her. Please, if anyone has her, please call me and we can talk about a reward."

🐾 Description: "Black Mexican Hairless Xolo Dog"

🔗 For more info or to contact Little Bit's owner, click here: https://www.pawboost.com/p/72993010

📣 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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