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Lost Dogs Database for Boulder, CO

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

236 lost dogs in your search

Lost Male Dog last seen Railroad tracks on Wadsworth and Ralston, Arvada, CO 80002

Reported 4 weeks ago, updated 2 weeks ago

Dirt Male Dog

LOST PawBoost ID: 73400003


Arvada, CO 80002

He has a white patch on his chest and a red nose. He looks like a little fox

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Lost Male Dog last seen Near w 4th ave, Lakewood, CO 80226

Reported 3 weeks ago

Toby Male Dog

LOST PawBoost ID: 73446349


Lakewood, CO 80226

White/Tan Chihuahua

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Lost Female Dog last seen Muriel and albion, Thornton, CO 80233

Reported 3 weeks ago

Abigail Female Dog

LOST PawBoost ID: 73441450


Thornton, CO 80233

Black and white jack Russel korgi mix

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Lost Male Dog last seen Muriel and albion, Thornton, CO 80233

Reported 3 weeks ago

Zeus Male Dog

LOST PawBoost ID: 73441440


Thornton, CO 80233

Black-and-white spots

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Lost Male Dog last seen Wadsworth, Lakewood, CO 80214

Reported 3 weeks ago

Capullo Male Dog

LOST PawBoost ID: 73440942


Lakewood, CO 80214

Hi is white curly hair small dog

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Lost Male Dog last seen 1st Federal Denver, Denver, CO 80219

Reported 3 weeks ago

Koa Male Dog

LOST PawBoost ID: 73440009


Denver, CO 80219

Raccoon apperance. Black face, beige and tan with white

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Lost Male Dog last seen 101st street and Altura, Commerce City, CO 80022

Reported 3 months ago, updated 3 weeks ago

Maximus Male Dog

LOST PawBoost ID: 73123840


Commerce City, CO 80022

Chihuahua and dachshund mix

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Lost Female Dog last seen 104th and huron street, Northglenn, CO 80260

Reported 1 month ago, updated 3 weeks ago

Bella Female Dog

LOST PawBoost ID: 73347144


Northglenn, CO 80260

Black staffy mix

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Lost Female Dog last seen 72nd simms next to 7/11, Arvada, CO 80005

Reported 3 weeks ago

Five Female Dog

LOST PawBoost ID: 73430347


Arvada, CO 80005

She has a white chest with a gold ish brown and black fade she should be wearing a orange red coller

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Lost Male Dog last seen alemeda and federal, Denver, CO 80223

Reported 8 months ago, updated 3 weeks ago

lewis Male Dog

LOST PawBoost ID: 72541652


Denver, CO 80223

two black eyes and two black butt cheeks

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Lost Female Dog last seen S Federal Blvd, Denver, CO 80219

Reported 3 weeks ago, updated 3 weeks ago

Bella Female Dog

LOST PawBoost ID: 73427229


Denver, CO 80219

View Pet

Lost Female Dog last seen Coal creek canyon road, Arvada, CO 80007

Reported 3 weeks ago

Pancake Female Dog

LOST PawBoost ID: 73426482


Arvada, CO 80007

Yellow lab mix with a collar and leash attached

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Lost Male Dog last seen Near s Lowell blvd, Denver, CO 80219

Reported 3 weeks ago

Dog Male Dog

LOST PawBoost ID: 73426118


Denver, CO 80219

Black and white pitbull lab mix

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Lost Male Dog last seen Mitchell’s Mobile Home, Lakewood, CO 80214

Reported 3 weeks ago

Puppy Male Dog

LOST PawBoost ID: 73424127


Lakewood, CO 80214

Toy Poodle

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Lost Female Dog last seen Corner of 6th Ave Pkwy and Dahlia St., Denver, CO 80220

Reported 3 weeks ago

Dakota Female Dog

LOST PawBoost ID: 73419619


Denver, CO 80220

White with Brown spots

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Lost Female Dog last seen Arizona and Welch, Lakewood, CO 80228

Reported 4 months ago, updated 3 weeks ago

Peanut Female Dog

LOST PawBoost ID: 73016850


Lakewood, CO 80228

Small tan chi mix

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Lost Male Dog last seen Holly and 60th, Commerce City, CO 80022

Reported 2 months ago, updated 3 weeks ago

Skeeter Male Dog

LOST PawBoost ID: 73326019


Commerce City, CO 80022

Tan Chihuahua with a white stripe down his forehead and a little bit on his chest

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Lost Male Dog last seen First st and Fairfax st, Denver, CO 80220

Reported 3 weeks ago

Titan Male Dog

LOST PawBoost ID: 73418210


Denver, CO 80220

Black and white with blue eyes

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Lost Male Dog last seen 104th and Huron, Northglenn, CO 80260

Reported 4 weeks ago

Milo Male Dog

LOST PawBoost ID: 73414689


Northglenn, CO 80260

View Pet

Lost Male Dog last seen Mexico and federal, Denver, CO 80219

Reported 4 weeks ago

Brownie Male Dog

LOST PawBoost ID: 73413263


Denver, CO 80219

Brownie is half rott and half dobi, he’s 2 years old black with little white and brown on his under his neck

View Pet

Lost Dog Data for Boulder, CO

There are 236 lost dogs in Boulder, CO.

Find Local Dog Shelters in Boulder, CO

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 Boulder?

With our free tools and premium add-on services, PawBoost helps lost dog owners find their furry loved ones – 2,331,952 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 Boulder 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 Boulder, CO?

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 Boulder area. Millions of pet lovers have signed up for our local lost & found pet alerts, and that includes pet lovers near Boulder!

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.