Looking for the perfect small pet door to give your furry friend freedom?
We’ve got durable, easy-to-install pet doors with locking options and weatherproof designs to keep your pet safe and happy!
Small pets need freedom to move in and out of your home. Pet doors give them this independence while keeping your life easier. We’ve found the best small pet doors to fit your needs.
These doors are easy to install and durable, perfect for cats, small dogs, and other pets. They come with locking options for safety and control.
From weatherproof designs to paintable frames, these doors blend into your home. Discover the perfect fit for your furry friend and enjoy peace of mind.
List of Top 10 Small Pet Doors
| Image | Title | Best For | Price |
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PetSafe Never Rust Dog & Cat Plastic Door, Small, for Pets Up to 15 lb, Paintable, Easy DIY Installation, Closing Panel Included, Install in Interior & Exterior Doors or Walls, Durable |
This pet door is perfect for pet owners with small dogs or cats up to 15 pounds. It’s easy to install and lets your pet come and go freely while keeping your home secure. |
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Thin Cat Door for Windows, Pet Doors and Sliding Door, Safety Pet Door with 4 Way Lock, Weatherproof Cat Flap for Thin Door and Wall(Medium, Outer Size 7.76 * 7.5 * 0.78in) |
This pet door is perfect for cat and small dog owners who want to give their pets freedom and convenience. It’s great for windows, wooden doors, and sliding glass doors, making it easy to install without cutting. |
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goTeamghjkl Cat Door Flap (Outer Size 7.5″ x 7.8″), 4 Way Locking Medium Cat Door for Interior Exterior Doors, Weatherproof Pet Door for Cats Doggie Kitty and Kittens with Circumference < 15.75" |
This cat door flap is perfect for pet owners who want easy control of their cat’s movements. It’s great for cats under 16 pounds and fits doors, walls, or windows. |
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Baboni 3-Flaps Pet Door for Interior and Exterior Doors, Durable Plastic Frame and Telescoping Tunnel, Aluminum Lock/Metal Panel, Strong Magnetic Flaps, Never Rust Dog Door (Pets Up to 40 Lb) -Medium |
This pet door is perfect for pet owners with cats or dogs up to 40 pounds who want to give their pets freedom to go in and out without help. It’s great for interior and exterior doors and saves energy with its 3-flap design. |
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Amazon Basics Adjustable Plastic Dog and Cat Door with Easy Installation, Medium, 10.5″ x 15″ x 3.9″, White and Grey |
This Amazon Basics Adjustable Plastic Dog and Cat Door is perfect for pet owners who want to give their small pets easy access to indoor and outdoor spaces. It’s great for cats and small dogs, offering durable, hassle-free installation. |
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Small Doggie Door with Magnetic Locking Panel for Home Security – Durable & Weatherproof Outer Size 13.5×11.1in for Small to Medium Dogs, Cats, Pets. Easy to Install |
This small doggie door is perfect for pet owners who want safety, convenience, and durability. It’s ideal for small to medium dogs, cats, and pets up to 100 pounds, offering easy access control and weatherproof protection. |
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CEESC Dog Door for Pets Up to 20 lb, Weatherproof Pet Door for Cats and Dogs, Durable, Snap-in Closing Panel Included, Suitable for Interior and Exterior Doors(Small White) |
This pet door is perfect for pet owners with small dogs or cats up to 20 pounds. It’s great for those who want to give their pets freedom to come and go while keeping their home secure and weatherproof. |
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PetSafe Interior Cat Door – 4-Way Lock Option – For cats up to 15 pounds |
This PetSafe Interior Cat Door is perfect for cat owners who want to give their cat private access to the litter box or food, while keeping dogs and kids out. It’s easy to install and designed for cats up to 15 pounds. |
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Cat Door for Interior Exterior Door (Outer Size 9.8″ x 9.3″), 4-Way Locking Flap for Cats & Dogs(Circumference < 23"), Weatherproof Pet Door, White, ABS Material (L) |
This pet door is perfect for pet owners who want easy, safe access for their cats or small dogs. It’s great for anyone looking for a durable, weatherproof solution that’s simple to install and gives full control over their pet’s movement. |
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PetSafe Pet Entry for Screen Doors, Windows, and Porches – Size Small for Dogs and Cats up to 30 lb Easy Access Brown |
This PetSafe Pet Entry is perfect for pet owners with small dogs or cats up to 30 lbs. It’s easy to install and works with most screens, giving your pet quick outdoor access while blending seamlessly with your home. |
Detailed Reviews
Discover the top 10 Small Pet Doors carefully selected for comfort, durability, and value. Each product is expert-reviewed and backed by real customer feedback, ensuring you find the perfect fit. Whether you need easy installation, weatherproof designs, or secure locking, this guide has you covered. Dive in to find the best small pet door that keeps your furry friend happy and your home safe.
1. PetSafe Never Rust Dog & Cat Plastic Door, Small, for Pets Up to 15 lb, Paintable, Easy DIY Installation, Closing Panel Included, Install in Interior & Exterior Doors or Walls, Durable

Give your small pet the freedom to go outside whenever they need to. The PetSafe Never Rust Dog & Cat Plastic Door is easy to install and fits interior or exterior doors. It’s paintable, so you can match it to your home.
This durable door includes a closing panel to control your pet’s access. It’s designed for pets up to 15 pounds and comes with U.S.-based customer care for support.
| Pros | Cons |
|---|---|
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Perfect For:
This pet door is perfect for pet owners with small dogs or cats up to 15 pounds. It’s easy to install and lets your pet come and go freely while keeping your home secure.
Ready to Purchase?
2. Thin Cat Door for Windows, Pet Doors and Sliding Door, Safety Pet Door with 4 Way Lock, Weatherproof Cat Flap for Thin Door and Wall(Medium, Outer Size 7.76 * 7.5 * 0.78in)

Give your pets freedom with the Thin Cat Door for Windows. It lets cats or small dogs move in and out quietly and easily. No more feeling trapped or bothering you to open doors.
Stay in control with 4 lock modes. Choose Free In & Out, Fully Locked, Out Only, or In Only. Keep stray animals out and your pets safe.
Easy to install, durable, and weatherproof. Fits windows, doors, and sliding glass. No cutting needed—just follow the simple instructions.
| Pros | Cons |
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Perfect For:
This pet door is perfect for cat and small dog owners who want to give their pets freedom and convenience. It’s great for windows, wooden doors, and sliding glass doors, making it easy to install without cutting.
Ready to Purchase?
3. goTeamghjkl Cat Door Flap (Outer Size 7.5″ x 7.8″), 4 Way Locking Medium Cat Door for Interior Exterior Doors, Weatherproof Pet Door for Cats Doggie Kitty and Kittens with Circumference < 15.75"

The goTeamghjkl Cat Door Flap is a 4-way locking pet door for cats and small dogs. It fits interior and exterior doors and keeps out rain, wind, and pests. The weatherproof design ensures your home stays protected.
It’s easy to install with clear instructions and a video guide. The ABS material is durable and smooth, making it perfect for pets under 16 lbs.
| Pros | Cons |
|---|---|
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Perfect For:
This cat door flap is perfect for pet owners who want easy control of their cat’s movements. It’s great for cats under 16 pounds and fits doors, walls, or windows.
Ready to Purchase?
4. Baboni 3-Flaps Pet Door for Interior and Exterior Doors, Durable Plastic Frame and Telescoping Tunnel, Aluminum Lock/Metal Panel, Strong Magnetic Flaps, Never Rust Dog Door (Pets Up to 40 Lb) -Medium

The Baboni 3-Flaps Pet Door gives your pets freedom to go in and out on their own. It’s durable and fits interior and exterior doors. The telescoping tunnel works with doors 1 1/8 to 1 31/32 inches thick.
This door is energy-efficient and weatherproof. The 3-flap design keeps out drafts and extreme weather. It’s made with special outdoor plastic for long-lasting use.
Installation is easy with a cut-out template and clear instructions. The metal lock adds security, and the magnetic flaps ensure a tight seal. Baboni offers a satisfaction guarantee for peace of mind.
| Pros | Cons |
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Perfect For:
This pet door is perfect for pet owners with cats or dogs up to 40 pounds who want to give their pets freedom to go in and out without help. It’s great for interior and exterior doors and saves energy with its 3-flap design.
Ready to Purchase?
5. Amazon Basics Adjustable Plastic Dog and Cat Door with Easy Installation, Medium, 10.5″ x 15″ x 3.9″, White and Grey

The Amazon Basics Adjustable Pet Door gives you control over your pet’s access to indoor and outdoor spaces. It’s perfect for small pets like cats and small dogs. Made from durable plastic, it’s built to last.
Installation is easy with all parts and instructions included. The entrance size is 7.5’’ x 11.5’’, fitting most small pets comfortably.
| Pros | Cons |
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Perfect For:
This Amazon Basics Adjustable Plastic Dog and Cat Door is perfect for pet owners who want to give their small pets easy access to indoor and outdoor spaces. It’s great for cats and small dogs, offering durable, hassle-free installation.
Ready to Purchase?
6. Small Doggie Door with Magnetic Locking Panel for Home Security – Durable & Weatherproof Outer Size 13.5×11.1in for Small to Medium Dogs, Cats, Pets. Easy to Install

The Small Doggie Door keeps your home secure with its magnetic locking system. It stays closed tightly when not in use, giving you peace of mind.
This door is durable and weatherproof, perfect for small to medium pets. It works well in any weather, keeping your home dry and warm.
Easy to install, controls pet access, and saves energy. A great choice for pet owners.
| Pros | Cons |
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Perfect For:
This small doggie door is perfect for pet owners who want safety, convenience, and durability. It’s ideal for small to medium dogs, cats, and pets up to 100 pounds, offering easy access control and weatherproof protection.
Ready to Purchase?
7. CEESC Dog Door for Pets Up to 20 lb, Weatherproof Pet Door for Cats and Dogs, Durable, Snap-in Closing Panel Included, Suitable for Interior and Exterior Doors(Small White)

The CEESC Dog Door is a durable, weatherproof solution for pets up to 20 pounds. It fits interior and exterior doors with a telescoping tunnel for easy installation. The snap-in closing panel adds security and control.
This pet door features a removable flap with windproof and rainproof seals and a magnetic strip for a tight close. It’s easy to install with clear instructions and a cutting template included.
| Pros | Cons |
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Perfect For:
This pet door is perfect for pet owners with small dogs or cats up to 20 pounds. It’s great for those who want to give their pets freedom to come and go while keeping their home secure and weatherproof.
Ready to Purchase?
8. PetSafe Interior Cat Door – 4-Way Lock Option – For cats up to 15 pounds

The PetSafe Interior Cat Door gives your cat private access to the litter box or food. It fits interior doors and keeps dogs and kids out.
It has two lock options: locked and unlocked. The white plastic frame and clear flap are easy for cats to use.
It’s simple to install with included tools and fits doors ½ to 2 inches thick. PetSafe is a trusted brand with 30 years of experience helping pets and people live happily together.
| Pros | Cons |
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Perfect For:
This PetSafe Interior Cat Door is perfect for cat owners who want to give their cat private access to the litter box or food, while keeping dogs and kids out. It’s easy to install and designed for cats up to 15 pounds.
Ready to Purchase?
9. Cat Door for Interior Exterior Door (Outer Size 9.8″ x 9.3″), 4-Way Locking Flap for Cats & Dogs(Circumference < 23"), Weatherproof Pet Door, White, ABS Material (L)

The Cat Door fits interior and exterior doors. It’s 9.8″ x 9.3″ and works for cats and small dogs. Made of ABS material, it’s durable and weatherproof.
It has a 4-way locking flap for full control. The quiet design blocks noise and drafts. Installation is quick and simple.
This door is pet-safe and long-lasting. It keeps insects and moisture out. Perfect for daily use, indoors or out.
| Pros | Cons |
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Perfect For:
This pet door is perfect for pet owners who want easy, safe access for their cats or small dogs. It’s great for anyone looking for a durable, weatherproof solution that’s simple to install and gives full control over their pet’s movement.
Ready to Purchase?
10. PetSafe Pet Entry for Screen Doors, Windows, and Porches – Size Small for Dogs and Cats up to 30 lb Easy Access Brown

The PetSafe Pet Entry is a simple solution for pets to enjoy the outdoors. It snaps onto your screen quickly, giving your pet easy access. Perfect for dogs and cats up to 30 lbs.
It works with most screens, fits doors, windows, or porches, and has a bronze frame to blend in. The screen flap lets pets come and go, while dual slide locks keep them safe when needed.
This small-sized door has a flap opening of 8″ W x 9 1/4″ H. The frame measures 9 7/16” x 11 7/16”, making it compact and practical. Great for pets of all ages.
| Pros | Cons |
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Perfect For:
This PetSafe Pet Entry is perfect for pet owners with small dogs or cats up to 30 lbs. It’s easy to install and works with most screens, giving your pet quick outdoor access while blending seamlessly with your home.
Ready to Purchase?
Buying Guide
Small pet doors give your furry friends freedom and make your life easier. They let pets move in and out safely while keeping your home secure. We’ve found the best options to fit your needs.
Factors to Consider When Buying Small Pet Doors:
- Pet Size: Choose a door that fits your pet’s size. Measure their height and width to ensure a comfortable fit.
- Installation: Look for doors that are easy to install. Some fit doors, walls, or windows, so pick one that matches your space.
- Material: Durable materials like plastic or ABS last longer. Weatherproof designs keep out rain, wind, and pests.
- Locking Options: 4-way locks offer control over your pet’s access. Choose in-only, out-only, or fully locked for safety.
- Energy Efficiency: Doors with magnetic flaps or tight seals keep drafts out, saving energy and keeping your home cozy.
- Design: Paintable frames or neutral colors blend into your home. Pick a style that matches your décor.
- Ease of Use: Pets should be able to use the door easily. Quiet flaps and smooth edges make it pet-friendly.
- Security: Doors with locking panels or magnetic closures keep stray animals out and your pet safe.
Enjoy peace of mind and a happier pet with the right small pet door!