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Dog Doors/Gates/Pens

10 Best Dog Doors That Lock (for Security Conscious Pet Parents)

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Are you looking for high-quality lockable dog door options for your pooch? This post is for you! From pet doors with locking mechanisms built-in, to those that lock with a key or slide-in security panel, check out our top picks for the best dog doors that lock below!

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Dog Doors That Lock with a Key

If you’re looking for a dog door that locks with a key, the PlexiDor Performance pet door range is hard to beat;

Sizes:

Features:

1. PLEXIDOR Performance Pet Door

via PlexiDor

4 sizes:
S, M, L, XL

Suits pets up to 220 lbs

Lockable with key (M-XL)
Steel security plate (M-XL)
Comes with 2 keys (M-XL)
Strong aluminum frame
Saloon style panels
Energy efficient
3 colors available
Made in USA

Silver and bronze colors are also available.

Electronic model also available.

Collar and Microchip-Activated Dog Doors That Lock

For an electronic locking dog door alternative, that also allows you to control entry/exit permissions by way of a collar sensor or microchip, check out the following popular options from High Tech Pet, PetSafe, and SureFlap;

Sizes:

Features:

2. HIGH TECH PET Power Pet Electronic Pet Door

via High Tech Pet

2 sizes:
M, L

Suits pets up to 100 lbs

Collar-activated using ultrasonic technology
Includes 4-way access lock
Secure auto deadbolt locking
Motorized vertical sliding door
Bulletproof resin door panel
AC or battery operation
1x ultrasonic collar included
Tunnel extender available
Additional collars available
Airtight seal, 100% weatherproof

Models are also available to suit sliding glass door installation.

3. PETSAFE Electronic SmartDoor

via PetSafe

2 sizes:
S, L

Collar-activated (SmartKey)
3 programmable modes (locked/unlocked/auto)
Battery operated (4x D-cell)
1x collar SmartKey included
Program up to 5 pets
Tunnel extender available
Additional SmartKeys available

4. SUREFLAP Microchip Pet Door

via SureFlap

1 size:
Small

Microchip and collar-activated using RFID technology
Manual lock/ unlock feature
Built-in curfew timer
Battery operated (4x C)
Stores up to 32 pet identities
1x RFID collar tag included (additional tags also available)
Mounting accessories available
Battery indicator light

App-controlled model also available.

Pet Doors with a Locking Mechanism

For affordable, traditional dog door options with a simple sliding lock mechanism built-in, check out the following budget-friendly options;

Sizes:

Features:

5. HAKUNA PETS Super Tough Dog Pet Door with 2-Way Lock

via Hakuna Pets

3 sizes:
S, M, L

Suits pets up to 100 lbs

6. PERFECT PET Tubby Kat Pet Door

via Perfect Pet

1 size:
Small

Suits pets up to 25 lbs

Built-in 4-way lock
Suits large cats and small dogs
Suits doors 1 1/4"-1 3/4" thick
Durable LEXAN flap
7 1/2" by 10 1/2" flap size
Weather resistant

Dog Doors with a Sliding Security Plate or Locking Panel

And finally, for a high-quality dog door option that comes complete with a sliding security plate or locking panel for added peace of mind, check out the following highly-rated pet door options below;