Certified Dog Door Installation Throughout Colorado
Colorado's Certified Pet Door Installation Team – Serving Denver, Colorado Springs, Boulder, Fort Collins & the Front Range
Our skilled pet door installation professionals cover up to 50 miles outside posted service zones – just ask!
📞 Call 855-DOG-DOOR or Request an Official Quote Below
Our Colorado coverage is growing. Service maps stay current so you always know where we operate – or call to ask about your location.
Portal Pros: Colorado's Preferred Dog Door & Cat Door Installers
Whether it's a pet door for your patio slider, dog doors through exterior walls, in-glass pet door installations, screen door pet doors, or custom builds for large breeds – Portal Pros provides certified pet door installation built to handle Colorado's mountain weather and altitude.

Pet Door Solutions We Offer Across Colorado
Portal Pros delivers comprehensive pet door installations for dogs and cats of every breed and size. We use only MaxSeal™ and Security Boss™ pet doors – the industry's highest-performing, most weather-resistant pet door brands.
🏠 Entry Door Dog Doors
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Professional dog door installation into wood, metal, fiberglass, and composite entry doors. Our entry door pet doors feature cold-weather dual flaps, magnetic seals, and insulated security panels engineered for Colorado's freezing winters and temperature swings. Colorado Installation: |
🧱 Wall-Mounted Pet Doors
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Through-wall pet door installation in brick, siding, stone, stucco, and drywall. Our wall-mounted dog doors include insulated tunnel systems built to combat Colorado's harsh winters, keeping frigid air out and heated air in. Colorado Installation: |
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🪟 Sliding Glass Door Pet Inserts
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No-modification patio door pet inserts with dual-pane glass and insulated aluminum frames. Ideal for Colorado renters or homeowners who want dog doors for sliding glass doors without cutting their patio doors. Installs and removes without any trace. Colorado Installation: |
🔷 In-Glass Pet Doors
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Pet doors cut and sealed into glass panels with factory-grade tempered glass replacement. Works beautifully in French doors, sidelights, and stationary glass panels. Our Colorado in-glass work includes new tempered glass with the pet door precision-fitted. Colorado Installation: |
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✨ French Door Pet Doors
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Tasteful pet door installations for French doors that maintain your Colorado home's mountain-lodge or modern aesthetic. We install dog doors in French door glass or directly through the door – configured to your needs. Colorado Installation: |
🪟 Window Pet Doors
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Window-sash pet door systems with insulated frames and weatherproof gaskets for single-hung, double-hung, and sliding windows. A popular option for Colorado cat owners wanting window access to enclosed sunrooms or three-season porches. Colorado Installation: |
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🐾 Screen Door Pet Doors
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Rugged pet doors for screen doors giving dogs and cats the freedom to enjoy Colorado's beautiful summers while filtering out mountain insects. Our industrial-strength screen door dog doors handle active pets and frequent seasonal use. Colorado Installation: |
⛈️ Storm Door Pet Doors
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Pet doors integrated into storm doors with cold-weather seals and reinforced locking panels. Critical for Colorado homes battling snow, wind, and sub-zero temperatures. Our storm door dog doors keep the elements out while pets come and go. Colorado Installation: |
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🐕 Kennel & Dog Run Doors
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Industrial pet doors for kennels and dog runs with heavy-duty guillotine mechanisms. Built for Colorado breeders, groomers, boarding facilities, and homeowners with outdoor dog spaces that need to withstand mountain weather. Colorado Installation: |
⭐ Custom Pet Door Solutions
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XL and custom-engineered pet doors for unique openings and giant breeds like Great Pyrenees, Bernese Mountain Dogs, and Saint Bernards – breeds that thrive in Colorado. Our custom pet door installers craft one-of-a-kind solutions for any challenge. Colorado Installation: |
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Why Colorado Homeowners Trust Portal Pros

Our certified Colorado pet door installers provide expert-level craftsmanship – specifically engineered for Colorado's freezing winters, high-altitude UV exposure, and dramatic temperature swings. Every project is protected by our lifetime warranty and our commitment to donate a portion of proceeds to no-kill animal shelters.
- ✅ Cold-Weather Pet Doors – Dual-flap insulation to block sub-zero drafts and slash heating bills
- ✅ Snow & Wind Sealing – Professional weatherproofing against blizzards, hail, and mountain gusts
- ✅ Altitude-Tested Materials – UV-resistant components that withstand Colorado's intense high-altitude sunshine
- ✅ All Pet Sizes – From cat doors to XXL dog doors for Colorado's large mountain breeds
- ✅ MaxSeal™ & Security Boss™ – The industry's toughest, most weather-resistant pet door systems
- ✅ Lifetime Warranty – Full protection on every installation
- ✅ No-Kill Shelter Donations – Every installation supports Colorado animal rescues
Questions? Outside posted coverage? Call 855-DOG-DOOR. Our team is here to assist with all your pet door installation needs across Colorado.
Portal Pros Corporate Locations in Colorado
🌟 Portal Pros Denver – Front Range Pet Door Installation
Serving the Denver Metro Area including Denver, Aurora, Lakewood, Arvada, Westminster, Thornton, Centennial, Highlands Ranch, Littleton, Englewood, Broomfield, Northglenn, Brighton, Commerce City, Parker, Castle Rock, Castle Pines, Lone Tree, Golden, Wheat Ridge, Edgewater, Federal Heights, Greenwood Village, Cherry Hills Village and all of the Front Range.
Popular Services:
Door-Mount Pet Doors • Wall-Mount Pet Doors • Glass Pet Doors • Patio Door Inserts • Custom Pet Doors
📍 1312 17th St Unit #2330, Denver, CO 80202
📞 Tel: (720) 383-4307
🌟 Portal Pros Colorado Springs – Southern Colorado Pet Door Installation
Serving Colorado Springs, Pueblo, Manitou Springs, Monument, Palmer Lake, Woodland Park, Canon City, Falcon, Fountain, Security-Widefield, Black Forest, Peyton, Cimarron Hills, Fort Carson and surrounding Southern Colorado communities.
Popular Services:
Door-Mount Pet Doors • Wall-Mount Pet Doors • Glass Pet Doors • Patio Door Inserts • Custom Pet Doors
📍 2609 N El Paso St, Colorado Springs, CO 80909
📞 Tel: (719) 301-7678
Top 50 Colorado Cities We Serve for Pet Door Installation
Portal Pros provides certified dog door installation and cat door installation across the Centennial State. Our installers serve the following Colorado cities and surrounding areas:
Denver
Colorado Springs
Aurora
Fort Collins
Lakewood
Thornton
Arvada
Westminster
Centennial
Highlands Ranch
Boulder
Pueblo
Greeley
Longmont
Loveland
Broomfield
Castle Rock
Commerce City
Parker
Littleton
Northglenn
Brighton
Englewood
Wheat Ridge
Golden
Lone Tree
Castle Pines
Federal Heights
Greenwood Village
Cherry Hills Village
Edgewater
Monument
Palmer Lake
Woodland Park
Manitou Springs
Canon City
Falcon
Fountain
Security-Widefield
Black Forest
Estes Park
Grand Junction
Durango
Steamboat Springs
Vail
Aspen
Breckenridge
Telluride
Glenwood Springs
Salida
Don't see your town? Our pet door installers travel up to 50 miles beyond posted service zones. Call 855-DOG-DOOR to verify availability in your area.
Colorado Pet Door Installation FAQs
What does pet door installation cost in Colorado?
Professional pet door installation in Colorado typically ranges from $175–$950+ based on installation type, wall material, and pet door size. Door-mount jobs are most affordable; through-wall and in-glass projects run higher. Contact your nearest Portal Pros location for a free estimate.
Can you install a pet door through a brick wall?
Yes! Colorado homes with brick, stone, siding, and stucco exteriors are routine for our team. Our wall-mount pet door installation handles all Colorado building materials with insulated tunnel systems.
Which pet door is best for Colorado winters?
The MaxSeal™ pet door with dual-flap insulation is designed for extreme cold. The air gap between flaps creates a thermal barrier that blocks drafts and cuts heating costs. Explore options at Portal Pros Denver or Portal Pros Colorado Springs.
Do you install cat doors in Colorado?
Yes! We install cat doors and small pet doors in doors, walls, windows, and screens throughout Colorado. Our smallest units accommodate cats and small breeds under 15 lbs.
Can I get a pet door in my rental without modifications?
Yes! Our sliding glass door pet inserts require no cutting or permanent alterations. They slide in and remove cleanly – ideal for Colorado renters.
How long does installation take?
Door-mount projects take 1–2 hours. Wall-mount installations run 2–4 hours depending on wall construction. In-glass projects may require a return visit for custom tempered glass fabrication.
Ready for Certified Pet Door Installation in Colorado?
📞 Call 855-DOG-DOOR Today
Or Visit Your Nearest Colorado Location:
Denver • Colorado Springs
Request a Free Pet Door Installation Quote
Fill out the form below and a Portal Pros representative will get back to you promptly.









