10 Best Dog Doors That Lock 2025 in the United States

The PetSafe Doggy Door for Sliding Glass Doors stands out as an excellent choice for renters and apartment dwellers. Its no-cut, DIY installation is a significant advantage for those who are not handy with tools or prefer a hassle-free setup. The adjustable height feature, ranging from 75 7/8" to 81", adds to its versatility, allowing it to fit various sliding door tracks.

This dog door is designed to accommodate large dogs, with a flap opening that suits pets up to 100 pounds, ensuring comfort and safety for your furry friend. The aluminum material provides durability, while the inclusion of a security lock helps maintain your home's security. Additionally, the controlled access feature via a closing panel allows you to manage your pet's outdoor activities effectively.

It is worth noting that the aluminum panel might not offer the same level of insulation as some other materials, potentially affecting energy efficiency in extreme weather conditions. With a weight of nearly 8 pounds, it may require some effort during installation. Despite these minor drawbacks, the PetSafe Doggy Door offers a reliable and user-friendly option for pet owners who need a practical and secure solution for their large dogs.

The Baboni Pet Door for Wall is designed for large dogs, accommodating pets up to 220 pounds. Its ample size ensures that even the largest breeds can comfortably use it without any issues. The door's locking mechanism is an aluminum lock, making it durable and secure, which is crucial for keeping unwanted guests out. The frame is constructed from a combination of high-quality aluminum and alloy steel, promising durability and longevity.

Installation is relatively straightforward, with a cut-out template and easy-to-follow instructions included. This makes it a good option for both interior and exterior walls, with the telescoping tunnel accommodating wall thicknesses from 4 3/4 to 7 1/4 inches. One of the key strengths is its double-flap design, which provides excellent weather resistance and energy efficiency by helping to maintain indoor temperatures and protect against drafts.

On the downside, the pet door is quite hefty, weighing in at 22.7 pounds, which might make installation a bit challenging for some users. However, the company offers a strong after-sales guarantee, which can provide peace of mind. This pet door is best suited for large dog owners who need a sturdy, weather-resistant, and easy-to-install solution for their pets.

The PetSafe Never Rust Plastic Doggie Door is a convenient option for pet owners with medium-sized dogs. Its size is suitable for pets up to 40 pounds, providing them with the freedom to move between interior and exterior spaces.

The locking mechanism is a simple snap-on closing panel that enhances security by preventing stray animals from entering your home, though it might not be as robust as some other advanced locking systems on the market.

The material is primarily plastic, which is paintable and allows you to match it with your door's color, adding a customizable touch to maintain your home's aesthetics. Installation is straightforward and user-friendly, designed for DIY installation.