Professional Dog Door Installation in Denver & Colorado Springs
Custom sliding glass, wall, French door & electronic pet door installation — clean, secure, and built for Colorado weather.
Call for a free estimate today 720-515-4211
The Best Dog Door installers in Denver-Colorado Springs
To provide the best service for our customers, our Denver dog door installation service area includes Littleton, Highlands Ranch, Centennial, Parker, Castle Rock, Castle Pines, Monument, and Colorado Springs. We do work outside of this area in surrounding cities. 720-515-4211
Why Homeowners Trust Dog Door Guy
Our Promise
We’ve been Serving Colorado Since 2013. Over the years, we’ve worked on thousands of homes, tackling every tricky install you can imagine, and we do it right the first time.
With 20+ years of professional installation experience, we specialize in seamless glass, wall, and door installs, tailored specifically for Colorado weather and homes. Our Fully Insured Professional Installers delivers clean Energy Efficient Installations, professional workmanship on every job, supported by a dedicated staff working as part of the team.
We don’t experiment on your home; we bring experience and quality products, along with the best customer service in the business.
Plus, we offer great warranties on our products.
The Hale Pet Door-Made is proudly manufactured in Canon City, Colorado, and comes with a 10-year warranty.
The Endura Flap Pet Door is built in the USA and is backed by a Lifetime Warranty,
Plexidor Pet Doors, also made in the USA, are covered by a 10-year warranty.
We have installed products from most of the other 15 or 20 dog door manufacturers, and this is the list of what we use or would use at our own home.
For reliable pet door installation, contact the Dog Door Guy at 720-515-4211.
✔ Why Homeowners Choose Us
The Best Customer Service Options
🪟 Glass & Installation Expertise
We use the latest glass-matching technology to match Low-E tint with your existing windows for a seamless look.
Custom glass, wall, and door installations done cleanly and securely.
🚪 Faster Install Options
Sliding Glass Door Insert Loaner Program – Limited availability while your custom glass is being made.
Ask about temporary plywood solutions to get your dog door installed faster when timing matters.
💳 Convenience & Support
Financing available with approval
Free estimates (in-home)
We only sell brands we trust — no cheap imports or big-box store doors
Same-day temporary solutions when possible
Multi-pet sizing consultations
Wildlife-resistant door recommendations
Energy-efficiency focused install
Security-focused installs for patio doors
Contractor / builder/ HOA collaboration options
🏆 Trusted -
Premium Pet Doors We Install
Hale Pet Door
Plexidor
Security Boss
Endura Flap
Hi Tech Pet Products (Power Pet electronic pet doors)
🐾 Pet & Home Safety Services
Professional Pet Safety Preparation & Home Evaluation (puppy-proofing guidance)
Virtual Expert Home Visit for measurements, planning, and advice
Sliding Glass Dog Door Installation
We replace your existing glass panel with custom tempered glass that includes a professionally installed pet door. Reversable glass option. Glass matches your Low-E tint
Wall Dog Door Installation
Clean exterior finish, insulated and sealed for Colorado winters.
✔ Clean interior trim finish
✔ Exterior weather sealing
✔ Works with stucco, siding & brick
✔ Ideal for custom placement
French Door Installation
Custom Tempered Glass Replacement
Reversable glass option
Glass matches your Low-E tint
Energy Efficient Installations
Precision installation in wood, fiberglass, and steel doors.
Standard Door Dog Door Installation in Denver and Colorado Springs.
We install insulated pet doors directly into existing wood or metal exterior doors.
✔ Precision cut & sealed
✔ Insulated flap systems
✔ Secure & weather-resistant
✔ Professional finish
Electronic Dog Doors
We sell and install Wi-Fi Power Pet Dog doors by Hi-tech
and the Plexidor electronic door in Denver & Colorado Springs.
When do you need electronic doors
- Keep unwanted pests out of your house
- Track of your dog's activities with Wi-Fi
- Control your dog's movement
- Some dogs are unable to use a standard dog door design
- It won't keep cats in