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Thornton, Colorado
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226 listings

Missing pets in Thornton

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Lost pets Lafayette, photo: Missing cat Female, Lafayette (usl545718)
Lost
Missing cat Female, Lafayette...
West Simpson Street, 411, Lafayette
Black and white shorthair cat. Very old, 22yo...
Sat, 09/05/2026
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Lost pets Denver, photo: Lost dog, East 45th North Drive, Denver — male red and white pit bull
Lost
Lost dog, East 45th North Driv...
East 45th North Drive, Denver
Red nose pit bull red and white has a spot on...
Fri, 09/04/2026
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Lost pets Brighton, photo: Lost female cat, Prairie Center Parkway, 1966, Brighton — black long-haired Maine Coon
Lost
Lost female cat, Prairie Cente...
Prairie Center Parkway, 1966, Brighton
Black long hair Maine coon. Traveling a long...
Fri, 09/04/2026
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Lost pets Arlington, photo: Lost dog, Bristlecone Street, Brighton, Arlington - very skittish
Lost
Lost dog, Bristlecone Street,...
Bristlecone Street, Brighton
Very skittish, but a sweet boy. The lawn peop...
Mon, 08/31/2026
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Lost pets Commerce City, photo: Lost dog, East 60th Avenue, 5767, Commerce City - male
Lost
Lost dog, East 60th Avenue, 57...
East 60th Avenue, 5767, Commerce City
Tan with white chest
Mon, 08/31/2026
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Lost pets Brighton, photo: Lost dog, Silver Maple Street, 5209, Brighton — black male Chihuahua, special food
Lost
Lost dog, Silver Maple Street,...
Silver Maple Street, 5209, Brighton
Black male Chihuahua, approximately 10 pounds...
Mon, 08/31/2026
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Lost pets Westminster, photo: Lost dog, Green Court, 9410, Westminster — friendly black and spotted Frenchie
Lost
Lost dog, Green Court, 9410, W...
Green Court, 9410, Westminster
Very friendly black and spotted frenchie. Big...
Thu, 08/27/2026
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Lost pets Westminster, photo: Lost dog, Home Farm Lane, 12740, Westminster - male, 2 years old
Lost
Lost dog, Home Farm Lane, 1274...
Home Farm Lane, 12740, Westminster
Caramel/golden coat, white chest, purple coll...
Wed, 08/26/2026
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Lost pets Thornton, photo: Lost female dog, Milwaukee Street, 9886, Thornton — shy pup with spotted chest and feet
Lost
Lost female dog, Milwaukee Str...
Milwaukee Street, 9886, Thornton
Skittish, shy pup. Adopted six weeks ago. Bla...
Tue, 08/25/2026
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Lost pets Boardman, photo: Lost dog, East 117th Avenue, 15984, Commerce City, Boardman - male black lab
Success
Reunited
East 117th Avenue, 15984, Commerce City
Hunter is a 14 year old Black lab. He has a f...
Mon, 08/24/2026
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Lost pets Westminster, photo: Lost cat, West 128th Place, Westminster - female gray domestic shorthair with a pink collar
Lost
Lost cat, West 128th Place, We...
West 128th Place, Westminster
Eva is a female gray domestic shorthair cat....
Tue, 08/18/2026
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Lost pets Denver, photo: Lost dog, East 112th Drive, 364, Northglenn, Denver — male brindle chihuahua
Success
Reunited
East 112th Drive, 364, Northglenn
Opie is a med sized brindle chihuahua. He onl...
Mon, 08/17/2026
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Lost pets Brighton, photo: Lost dog, Balsam Avenue, Brighton - 9-month-old black Pomeranian
Lost
Lost dog, Balsam Avenue, Brigh...
Balsam Avenue, Brighton
Please help us find Pollo ️ Pollo is a 9-mont...
Fri, 07/31/2026
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Lost pets Denver, photo: Lost dog, Galapago Street, 7069, Western Hills, Denver
Lost
Lost dog, Galapago Street, 706...
Galapago Street, 7069, Western Hills
Thu, 07/30/2026
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Lost pets Arvada, photo: Lost dog, West 84th Avenue, 11364, Arvada — 2-year-old male, white with one brown ear
Lost
Lost dog, West 84th Avenue, 11...
West 84th Avenue, 11364, Arvada
Approx 55lb mixed breed, 2 year old male dog....
Thu, 07/16/2026
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Lost pets Westminster, photo: Lost dog, Raleigh Street, 7499, Westminster - male Chihuahua
Lost
Lost dog, Raleigh Street, 7499...
Raleigh Street, 7499, Westminster
Black and Brown Chihuahua, extremely small (...
Wed, 07/15/2026
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Lost pets Colorado Springs, photo: Lost dog, Altura Street, 10142, Commerce City, Colorado Springs - 14-year-old chiweenie with health and eye issues
Lost
Lost dog, Altura Street, 10142...
Altura Street, 10142, Commerce City
14 year old chiweenie with health and eye iss...
Fri, 07/10/2026
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Lost pets Arlington, photo: Lost dog, North Lowell Boulevard, Westminster, Arlington - female, white on all 4 paws, white chin
Lost
Lost dog, North Lowell Bouleva...
North Lowell Boulevard, Westminster
Mini has a jumpy yet timid personality. She l...
Tue, 07/07/2026
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Lost pets Denver, photo: Lost dog, North Race Street, 4760, Denver - female Australian shepherd mix
Lost
Lost dog, North Race Street, 4...
North Race Street, 4760, Denver
Australian shepherd mix. Gray w/ black spots....
Sun, 07/05/2026
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Lost pets Thornton, photo: Lost dog, Thornton, Colorado - white with a mostly brown face and brown spots
Lost
Lost dog, Thornton, Colorado -...
Thornton, Colorado
Mickey is white with mostly a brown face and...
Sat, 07/04/2026

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