183 listings

Missing pets in Montclair

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Lost pets Ontario, photo: Lost dog, East I Street, 909, Ontario — friendly male, may be scared
Lost
Lost dog, East I Street, 909,...
East I Street, 909, Ontario
He is extremely friendly but is likely scared...
Tue, 10/06/2026
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Lost pets Vista, photo: Lost cat, Avalon Street, 3319, Riverside, Vista — female tortoiseshell cat
Lost
Lost cat, Avalon Street, 3319,...
Avalon Street, 3319, Riverside
Mira is a medium/long hair tortoiseshell 1yea...
Tue, 10/06/2026
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Lost pets Ontario, photo: Lost dog, East I Street, 909, Ontario — male with a white facial stripe
Lost
Lost dog, East I Street, 909,...
East I Street, 909, Ontario
He is brown white a white stripe on his face,...
Mon, 10/05/2026
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Lost pets Monrovia, photo: Lost male cat, Leafdale Avenue, 2749, El Monte, Monrovia — gray, no collar
Lost
Lost male cat, Leafdale Avenue...
Leafdale Avenue, 2749, El Monte
Gray, no collar, female, 2 years old.
Sun, 10/04/2026
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Lost pets Glendora, photo: Lost Dog, South Jenifer Avenue, 970, Glendora — Small Brown Male Dog
Lost
Lost Dog, South Jenifer Avenue...
South Jenifer Avenue, 970, Glendora
Small brown dog and he is all brown and my nu...
Sun, 10/04/2026
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Lost pets Chino, photo: Lost dog, Rancho Cucamonga, California, Chino — male, Homecoming Apartments
Lost
Lost dog, Rancho Cucamonga, Ca...
Rancho Cucamonga, California
Lost in the homecoming apartments
Mon, 09/28/2026
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Lost pets Riverside, photo: Lost dog, Mountain Avenue, 11177, Riverside — male black and tan French bulldog
Lost
Lost dog, Mountain Avenue, 111...
Mountain Avenue, 11177, Riverside
Broly is a black and tan French bulldog. He i...
Sun, 09/27/2026
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Lost pets Ontario, photo: Lost cat, East Harlow Lane, 2651, Ontario — male beige shorthair
Lost
Lost cat, East Harlow Lane, 26...
East Harlow Lane, 2651, Ontario
He has a somewhat beige coat, shorthair and a...
Sat, 09/26/2026
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Lost pets Brea, photo: Lost dog, Spruce Tree Drive, 1405, Diamond Bar, Brea — black female dog
Lost
Lost dog, Spruce Tree Drive, 1...
Spruce Tree Drive, 1405, Diamond Bar
Black color charlie king dog was missing arou...
Wed, 09/23/2026
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Lost pets Riverside, photo: Missing cat Male, Riverside (usl547442)
Lost
Missing cat Male, Riverside (u...
Riverside, California
Grey Tuxedo with a white hair close to his no...
Tue, 09/22/2026
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Lost pets Moreno Valley, photo: Lost dog, Riverside, California, Moreno Valley — neutered male Rottweiler
Lost
Lost dog, Riverside, Californi...
Riverside, California
Bronx is a neutered male black with tan marki...
Sun, 09/20/2026
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Lost pets Moreno Valley, photo: Lost dog, West Arrow Highway, 270, Upland, Moreno Valley — male, white, named Toro
Lost
Lost dog, West Arrow Highway,...
West Arrow Highway, 270, Upland
White dog named Toro. Last wearing yellow coc...
Sat, 09/12/2026
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Lost pets Vista, photo: Lost cat, South Diamond Bar Boulevard, 2380, Diamond Bar, Vista — neutered male with a white chest
Lost
Lost cat, South Diamond Bar Bo...
South Diamond Bar Boulevard, 2380, Diamond Bar
Jelly is a black-and-white neutered male cat...
Thu, 09/10/2026
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Lost pets Pomona, photo: Lost dog, Vejar Street, 1622, Pomona — female with a golden-brown coat
Lost
Lost dog, Vejar Street, 1622,...
Vejar Street, 1622, Pomona
Golden brown with white idk she was here at h...
Sat, 09/05/2026
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Lost pets Anaheim, photo: Lost male dog, Jurupa Valley, California, Anaheim
Lost
Lost male dog, Jurupa Valley,...
Jurupa Valley, California
Sat, 08/29/2026
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Lost pets Riverside, photo: Lost dog, male, Felspar Street, 5745, Jurupa Valley, Riverside
Lost
Lost dog, male, Felspar Street...
Felspar Street, 5745, Jurupa Valley
Not sure
Listing is boosting
Sat, 08/29/2026
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Lost pets Azusa, photo: Lost Dog, Felspar Street, Jurupa Valley, Azusa — Male with Green Eyes
Lost
Lost Dog, Felspar Street, Juru...
Felspar Street, Jurupa Valley
Green eyes, Scab on his belly
Sat, 08/29/2026
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Lost pets West Covina, photo: Missing dog Female, West Covina (usl545098)
Lost
Missing dog Female, West Covin...
Lochmere Avenue, 571, La Puente
Super friendly Very old but looks younger Has...
Sat, 08/29/2026
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Lost pets Jurupa Valley, photo: Lost cat, Hudson Street, 6127, Jurupa Valley - male Persian, orange hair
Lost
Lost cat, Hudson Street, 6127,...
Hudson Street, 6127, Jurupa Valley
Garfield is a Persian cat thats Orange haired...
Sun, 08/23/2026
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Lost pets Covina, photo: Lost cat, West San Bernardino Road, 300, Covina - male tuxedo cat
Success
Reunited
West San Bernardino Road, 300, Covina
Shimmy is a male tuxedo cat, approximately 1...
Listing is boosting
Mon, 08/03/2026