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About Us

Englewood – Littleton – Highlands Ranch
Doggie Daycare and Dog Boarding Facts and Staff

“I have always felt Blake is in a safe environment and is in good hands of caring people who genuinely love and care for all dogs.” ~ Shana and Blake

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Dog boarding and day care at The Dog House


We are centrally located between Downtown Denver and Highlands Ranch, about 15 minutes from either location. Our address is 1101 West Quincy Avenue in Englewood Colorado, between Santa Fe and Broadway on Quincy Ave, about mid-way between Hampden/285 and Belleview. Click here for directions.

Our Facility

Our dog boarding and doggie day care facility has two large outside yards with over 5,000 square feet of play area and one large inside play area that is cleaned and sanitized daily. Our outside yard includes a large wading pool and sheltered areas for hot summer days. We provide our guests with lots of social interaction, play time, and plenty of exercise. Your best friend will come home healthy and happy, eager to return to our facility to play with new friends.


The Dog House has been satisfying doggie day care and dog boarding customers from Englewood, Littleton, Highlands Ranch, Centennial, South Denver, Greenwood Village, Cherry Hills, mountain commuters and all of the south metro area for more than 14 years.


Our employees are true dog lovers. Each one is carefully pre-screened to ensure that your best friend is given the love and attention he or she deserves. Please meet are key staff members:

Jeff Sizemore - Owner

The Dog House Doggie Daycare and Dog Boarding Facility is owned by Jeff Sizemore. Jeff has been running the business for 14 years and he lives on site. Prior to buying the business in the summer of 2000, Jeff owned a pet sitting service, but realized that for what he was charging clients to spend 1 hour with their dog, he could take care of a dog all day for the same price -- and the dogs wouldn’t have to be alone most of the day.

Jeff is a stickler for cleanliness and is proud that The Dog House is the cleanest kennel facility he’s ever seen. He is committed to providing the best possible doggy daycare and dog boarding experience for his four-legged guests and their owners. He feels that the best way to do that is have the dogs out of their kennels and active most of the day, playing, running socializing.

His top priority is the welfare of the dogs in his care. To that end, he hires only the best possible employees who provide loving attention, close supervision for all play, and deliver a personal and hands-on doggie day care and dog boarding experience.

His open door policy (anyone can stop by at any time) is unique in the industry, but as he says, “We’re an open book and never have anything to hide.”

If you would like to talk to Jeff or have any questions, please feel free to call 303-781-4577 and ask to speak to him, or you can email Jeff directly at

Jakie - Staff - The Dog HouseJackie – Kennel Manager

A former volunteer at the zoo who worked with zookeepers, Jackie is a true animal lover. She is also a dedicated vegan who doesn’t eat animals or any animal byproducts or even use any products with animal byproducts. Although she loved working at the zoo, dogs are her favorite animal. She loves how ‘’happy and optimistic” they are -- and she wants to dedicate her life to them. She is currently going to school to learn to be a dog trainer. Jackie has worked at other doggie daycares but loves The Dog House because it’s very personal and “homey” and feels more like a family than an institution. Also because it is open and customers can always see their dogs and see what’s going on, and they’re not behind a wall like most places. She especially likes that Jeff lives on site. Jackie is passionate about making sure the dogs are well taken care of. She appreciates that The Dog House allows her to take care of the dogs like she would want her own pets taken care of, with plenty of attention to details, especially around feeding and medication. Jackie has had dogs and cats her whole life. Currently she has a Red Heeler lab mix puppy named Kahri and a silver tabby cat named Scyther. 

Caitlin - Staff - The Dog HouseCaitlin – Assistant Kennel Manager

Caitlin has been working at The Dog House since she started volunteering here when she was 14. Now that she has grown up, she’s a real employee and a shift supervisor. She’s a true dog lover, with five dogs of her own – all rescues.  Caitlin’s special gift is bonding with the scared or shy dogs who come for daycare or boarding. They all naturally gravitate to her, probably because she is very calm and patient and loving. They know they are safe with Caitlin and quickly come to love and trust her. As much as she enjoys being with the dogs, one of Caitlin’s favorite parts of the day is when the parents come to pick up their happy pets. “It’s just so cute” she says, “and it warms my heart because we have the greatest customers; it’s a real family environment. We love our customers as much as our doggie guests. A lot of “dog people” aren’t necessarily ‘people people’ but our staff is both, and that makes for a really great work environment.”

Nannette - Staff - The Dog HouseNannette – Shift Supervisor

Nannette has always wanted to work with animals. Five years ago after her kids left home, she went to vet tech school and is now a Certified Veterinary Assistant. Nannette loves dogs and has two of her own; she also has fish, birds, spiders and the newest addition to the family which is a bearded dragon lizard.

She enjoys the daycare setting more than the veterinary hospital where she worked because she gets to play with dogs, have fun with them, be outdoors with them and has the opportunity to really engage and take care of them. Nannette loves working at The Dog House. She says that the people here are tremendous, work together as a real team and are very much there for each other. She says owner Jeff Sizemore is one of the best people she has ever worked for -- that he’s open, honest, down-to-earth, supportive and has great rapport with the clients. However, her favorite part of her job is the love and “smooches” of the pooches. Nannette says she goes home “doggie slobbered” every day and couldn’t be happier about that.


“We just love the friendliness of all the staff; and they truly enjoy what they do.”  ~ Jake's Owner 

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For more information about our dog day care or dog boarding serving
 Engelwood, Littleton, Highlands Ranch, Centennial, Greenwood Village and Cherry Hills, Colorado,
please give us a call . . . . or feel free to stop by any time!

The Dog House
1101 W. Quincy Avenue, Englewood, CO 80110

1101 W. Quincy Avenue, Englewood, CO 80110 - Phone 303-781-4577 - email

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