Sliding glass doors add an aesthetic appeal to your house, but their single-latch feature may not be enough to prevent intruders. So, we have brought a list of the best sliding glass door locks to provide you with adequate security. With these locks, you can stop thieves and trespassers from entering your house and prevent children and pets from running outside. Sliding glass door locks adhere to the conventional mortise lock, so you don’t have to change the entire door to ensure your family’s protection. They are sturdy and cannot be damaged easily. Various options are available, including adhesive, pin lock, mortise lock, or bar lock type. So, explore your options to choose the right one for your home.

13 Best Sliding Glass Door Lock

1. Best Child-Safe:Ashtonbee Sliding Door Lock

Ashtonbee’s child-safety door locks are designed to fit into doors of rooms and closets. This locking device is one of the best door locks on the market and requires no screws or drill for installation. You can install it by peeling off the tape and sticking it on the designated surface. Its keyless design allows you to unlock it by flipping and lock it by pressing down. The tape is compatible with most surfaces and is ideal for babies and toddlers. It requires little space and blends easily with your home. The lock measures 9x3x0.05″. Click here to check out this YouTuber’s unbiased review. Pros

Hassle-free installation Multi-purpose Durable Easy to operate

Cons

The latch may not always stay locked Might get challenging to uninstall

2. Best Self-Locking Hinge-Type:Burglabar Sliding Patio Door Lock

The two-pack Burglabar door lock is a uniquely designed self-locking hinge-type lock that protects your windows and doors. You can easily install the door lock without using any tools. The lock, made of sturdy transparent material Lexan, has a unique adhesive that adheres like a weld. Each lock can withhold dynamic shear of 300-450lb. The lock measures 7.64 x 4.76 x 0.75 inches. Here’s a personal review video to help you get a better understanding of the product. Pros

Easy to install Strong adhesive Stays for a long duration

Cons

Might get installed wrongly if the directions are not read May not be sturdy enough

3. Best Sturdy:Okefan Sliding Glass Door Child Lock

The glass door child lock is one of the best locks for childproofing your house. You can install the pack of four sturdy locks beside the door shelf and lock the door by pressing the double buttons to prevent it from sliding. The lock is made of high-quality ABS plastic with stainless steel spring and 3M adhesive tape. You can install the lock without any tools, and it is suitable for most types of doors, closets, and windows. Click here to check out a detailed personal review of this product. Pros

Durable Easy installation and use Sturdy

Cons

The thickness of the lock may not be ideal for all types of sliding doors

4. Best Spring-Loaded:Prime-Line E 2014 Mortise Lock

The spring-loaded adjustable hook latch is a sturdy lock suitable for sliding patio doors made of wood, vinyl, or aluminum. You can easily mount the mortise lock on the door’s surface, and it has a handle kit with a 45-degree angled keyway position when in the locked position. It is an ideal choice for replacing old locks or increasing the safety of your house. The mounting hole centers of the lock measure 3-11/16″. The dimensions of the mortise lock are 1.125×0.5×3.688″. The product comes with a one-year warranty against manufacturing defects. Pros

Easy to operate Sturdy Durable

Cons

Installing it may be a hassle May not be lubricated appropriately

5. Best Easy-To-Install:Sure Basics Sliding Door Lock

The combination of two sliding door locks is perfect for baby-proofing closets and doors. You can quickly install it on your door without any tools by simply peeling off the strong double-sided tape that works on most surfaces. The lock is made of high-quality BPA-free PP material, which is also non-toxic, odorless, and safe. While the screen door lock rests on the overlapping door, you can lock it by pulling with your finger and pressing it down to unlock. The lock measures 29.53×19.69×0.24″. Pros

Easy to install Easy to operate Sturdy

Cons

The latch may not stay in place

6. Best Elegant:U.S. Patrol JB8095 Black Sliding Door Lock Bar

The elegantly designed strong bar lock made with durable iron will give your house more safety once you attach it to your sliding door and will blend easily with your home decor. You need to place it in the door track and adjust it to the required length to tighten it in place. The lock is adjustable between 26-42 inches and can be easily installed or removed at your convenience. Pros

Robust Stylish Easy to install Easy to adjust

Cons

It may not fit well in every door May not be suitable for windows since it could break the glass if placed at a certain height

7. Best Reusable:Secure Home Sliding Door Locks

The keyless sliding door locks, made from high-quality ABS and TPE, are suitable for baby-proofing your apartment and easy to install without any tools. The set of four sliding door locks blend easily with your home décor and are easy to adjust as per the intended length up to five inches. These locks are suitable for most handles, such as round knobs, D-shaped, and annular handles. The smartly designed locks require no adhesive and easy to install by peeling the tape. Pros

Reusable and convenient Easy to install Stylish and sturdy

Cons

May unlock with brute force May be too thick for some sliding doors

8. Best ABS Plastic:Kong Nai Sliding Door Lock for Child Safety

The combination of two beautiful-looking door locks made of sturdy ABS is ideal for childproofing your closets, doors, and cabinets. It does not require drilling or screws to install, and its triangular shape prevents the doors from opening. The touching surface of the lock uses TPR rubber coating to avoid damage to your door. The door clearance is above 7mm, and it can be opened manually to avoid automatic lock-up. By merely peeling the 3M tape backing, the lock can be installed within minutes without tools. The lock measures 9.02×3.19×0.39”. Pros

Easy to install Stylish yet tough

Cons

May come off easily

9. Best Corrosion-Resistant:FPL Sliding Glass Door Replacement Mortise Lock with Adapter Plate

The mortise lock plated with yellow zinc dichromate has a corrosion-resistant design. It is elegantly designed to perfectly fit your vinyl, aluminum, and wooden sliding doors, thus providing higher security. The all-steel lock mechanism can withstand nearly 1000 pounds of forced entry load and has a round end faceplate, a 45-degree hub, 5-3/8″ screw holes, and an adjustable hook. The lock measures 6.5x1x2”. Pros

Durable Sturdy Adjustable Locks and unlocks easily

Cons

May not work well for certain doors

10. Best For Different Surfaces:Inaya Sliding Door Lock for Child Safety

The combination of four sliding door locks is what you need to make your home safer. The sturdy locks with pre-coated 3M adhesive are easy to apply within a few minutes to baby-proof your home. The locks adhere to almost any surface and blend well with the furniture. It is just ¼” thick, which makes it versatile. You can use a hairdryer to melt the adhesive and pull it out to remove it quickly. The product has a one-year warranty and comes with video instructions for installation. Pros

Easy to install Simple and versatile design Does not damage the furniture Easy to stick and lock Effective

Cons

May pop open by itself May come off easily

11. Best Double-Bolt Locks:Cal Security Double Bolt Lock for Glass Sliding Doors

The smart-looking double-bolt locks are made with advanced technology to keep your house safe from burglars and intruders. The high-security lock also allows childproofing your sliding patio doors by clearly indicating lock/unlock status. The double bolt lock has a slim, stylish, and simple design that easily fits most sliding doors even in limited space and provides more than 1000 pounds of forced entry load tension. You can easily mount the lock on OEM lock to keep it beyond children’s reach. The product offers a 100% money-back guarantee and measures 11.9×4.5×1.5”. Pros

Easy to install and operate Stylish

Cons

The lock installation may leave a gap between the door and the frame leaking sound and wind through it The plastic material may not be of good quality

12. Best Chrome-Coated:Defender Security U 9858 Sliding Patio Door Lock Pin

The hardened steel pin locks with plated case and chrome coating allow you to protect your house with a hassle-free installation. You can securely lock the door in a closed or ventilated position and prevent the door from sliding or lifting. The pin mounts into 1/8-inch holes drilled through the fixed panel frame. The locking pin rests into the retaining ring when locked and in the holder when unlocked. It measures 0.63 x 3.81 x 2.62”. Pros

Easy to install Works well Simple yet effective

Cons

May be too short for wooden doors May break easily

13. Best Sleek:Latibell Sliding Glass Door Locks

The pack of four sliding glass door locks is ideal for your child’s safety since it has strong adhesive tape to attach it to the doors with ease. It does not require any tools or drilling and can be used by raising the baffle, and when not in use, pressing the baffle can open the window or door normally. The sliding door locks can typically work on most surfaces, such as glass, wood, plastic, and metal surfaces. The lock is sleek, robust, and stylish and can be used by simply peeling off the 3M tape backing. The lock is made of durable BPA-free ABS plastic and allows you to seal the doors firmly when in use. Pros

Easy to use Easy to install in less time Well-designed Versatile Durable Occupies minimal space Blends well with the home decor

Cons

It may not work for all door-types, and if your weather gap is thin, it may not work well Removing it may be a hassle

How To Choose The Right Sliding Glass Door Lock?

Here are a couple of things to keep in mind while buying a sliding glass door lock.

Why Trust MomJunction?

We have noticed many consumers skeptical about having sliding glass doors. To address the issue, we bring you this list of the best sliding glass door locks that will give your house the extra addition of security to ensure your family’s protection. After going through several reviews from customers and their ratings, we chose these products. We have also included a buying guide to help you choose the right locks for your safety.

Loop locks can be installed by a beginner without professional equipment, making them an affordable option. Deadbolt locks secure the doors to the track, making them very difficult to remove from the tracks. Slide track locks may prevent your doors from sliding involuntarily, but they need professional equipment for installation.

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