5 Best Z Wave Door Lock for Smart Homes

The Kwikset HomeConnect 620 Keypad Smart Lock is the top pick for most buyers and the best z wave door lock because it combines keypad entry with Z-Wave control in one familiar deadbolt format. Its traditional design also makes it a simpler upgrade than a fully connected door system.

This guide is for homeowners replacing a standard deadbolt, renters with permission to modify hardware, and anyone adding a Z-Wave lock to an existing hub. Focus first on door compatibility, exterior size, and battery life. A lock that fits the bore but crowds the trim can be awkward, while weak battery performance can leave keypad access unavailable at the wrong time. The five picks below are ranked by practical features, setup needs, and value, with clear reasons and honest drawbacks for each.

Quick Comparison

5 Top Z-Wave Door Lock Picks

These Z-Wave locks are ranked by compatibility, security features, and value, counting down to the top pick.

5. Kwikset HomeConnect 918 Smart Touchscreen Lock

Best for: Ring Alarm users wanting keyless entry

The Kwikset HomeConnect 918 is a touchscreen deadbolt for connected home systems. Its matte black finish fits doors from 1-3/8 to 2 inches thick, with an adjustable 2-3/8 to 2-3/4-inch backset. Installation uses a screwdriver, and four included AA alkaline batteries should last at least 12 months. The lock carries Grade 2 BHMA certification for security, durability, and finish.

Its strongest feature is code capacity. You can create up to 250 user codes, plus one programming code for managing them. Auto-lock can activate after 30 seconds, 1, 3, 5, or 10 minutes. Z-Wave 700 Long Range connects with a compatible hub, while S2 encryption adds protection for wireless communication. Ring Alarm control requires a Ring Alarm smart hub. Samsung SmartThings users also need a compatible hub, sold separately. SmartKey lets you re-key the lock yourself, which helps when you need to change access without replacing the deadbolt.

Pros

• Supports up to 250 individual user codes, useful for families, guests, or rentals.
• Offers several auto-lock delays, from 30 seconds to 10 minutes.
• Includes batteries and fits a broad range of standard door thicknesses.

Cons

• It cannot provide smart-home control by itself. A compatible Z-Wave hub is required and sold separately.
• Touchscreen entry still depends on battery power, so a dead battery can prevent normal access.

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4. Kwikset HomeConnect 620 Keypad Smart Lock

Best for: Ring Alarm households wanting keypad access

The Kwikset HomeConnect 620 is a touchscreen smart lock for key-free entry. Its Venetian Bronze finish suits doors with traditional or contemporary hardware. You can create up to 250 user codes, plus one programming code for editing or deleting access. That makes it practical for family members, guests, cleaners, or short-term visitors.

This lock uses Z-Wave 700 Long Range to connect with a compatible hub, but the hub is not included. Ring Alarm users can manage the lock through a Ring Alarm smart hub and app. S2 encryption adds protection to the wireless connection, while SmartStart can simplify setup with supported hubs. Auto-lock offers five timing choices, from 30 seconds to 10 minutes. Four AA alkaline batteries are included, with a stated battery life of at least 12 months. Still, battery life will vary with use and settings.

Pros

• Stores up to 250 individual user codes, useful for busy households or rental access.
• Offers auto-lock settings from 30 seconds through 10 minutes.
• Works with compatible Z-Wave hubs and Ring Alarm systems.

Cons

• Requires a compatible Z-Wave hub, sold separately, for smart controls and app access.
• Battery-powered operation means replacing four AA batteries as needed, and the touchscreen may be less convenient if the batteries run low.

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3. Kwikset HomeConnect 620 Keypad Smart Lock

Best for: Z-Wave-connected household entry

The Kwikset HomeConnect 620 is a touchscreen deadbolt for keyless home access. At $154.38, it supports up to 250 user codes plus one programming code, so family members, guests, and service workers can have separate entry numbers. Auto-lock can activate after 30 seconds, 1, 3, 5, or 10 minutes. The lock fits doors from 1-3/8 to 2 inches thick and includes an adjustable 2-3/8 to 2-3/4-inch backset.

Its biggest advantage is broad Z-Wave 700 coverage, which connects directly with a compatible hub throughout the home. S2 encryption adds protection for connected commands, while SmartStart can simplify setup with supported hubs. Ring Alarm users can check and control the lock through the Ring system, but a Ring Alarm smart hub is required. Four included AA alkaline batteries are rated for at least 12 months. Grade 2 BHMA certification covers security, durability, and finish. SmartKey lets owners re-key the lock without replacing the entire unit.

Pros

• Stores up to 250 individual user codes.
• Offers flexible auto-lock times from 30 seconds to 10 minutes.
• Fits common door sizes and installs with a screwdriver.

Cons

• Smart controls require a compatible Z-Wave hub.
• Battery life depends on use, and the lock needs four AA batteries.

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2. Kwikset HomeConnect 620 Keypad Smart Lock

Best for: Ring Alarm households needing keypad access

The Kwikset HomeConnect 620 is a touchscreen smart lock with a Venetian Bronze finish and Z-Wave 700 connectivity. It replaces routine key use with keypad entry, so family members or guests can enter using assigned codes. A compatible Z-Wave hub is required and sold separately. The lock also supports Ring Alarm systems through a Ring Alarm smart hub, letting you check and control its status in the Ring app.

Its code capacity is unusually generous for a residential lock. You can create up to 250 user codes, plus one programming code for managing them. Auto-lock can activate after 30 seconds, 1, 3, 5, or 10 minutes. Z-Wave Long Range can connect directly to a compatible hub across the home, while S2 encryption adds protection during communication. SmartStart may simplify setup with supported hubs. Four included AA alkaline batteries should last at least 12 months, though battery life depends on use and network conditions. At $124.99, it offers useful smart features without requiring a built-in Wi-Fi radio.

Pros

• Supports up to 250 user codes, useful for households, renters, or service providers.
• Adjustable auto-lock timing includes five settings from 30 seconds to 10 minutes.
• Uses four included AA batteries with a stated minimum life of 12 months.

Cons

• A compatible Z-Wave hub is required, and the hub costs extra.
• Ring Alarm compatibility depends on owning a Ring Alarm smart hub, limiting use with other alarm platforms.

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1. Kwikset HomeConnect 620 Keypad Smart Lock

Best for: Ring Alarm households needing keypad access

The Kwikset HomeConnect 620 is a touchscreen deadbolt for key-free entry. Its polished brass finish suits traditional exterior hardware, while the keypad lets household members unlock the door with individual codes. It supports up to 250 user codes plus one programming code, so owners can add, remove, or change access without handing out keys. Auto-lock can be set for 30 seconds, 1, 3, 5, or 10 minutes.

This model uses Z-Wave 700 Long Range and connects to a compatible hub, with S2 encryption and SmartStart pairing. Ring Alarm users can check and control the lock through the Ring Alarm system and app, but the Ring Alarm hub is required. Four included AA alkaline batteries are rated for at least 12 months. Installation uses a screwdriver and fits doors 1-3/8 to 2 inches thick, with a 2-3/8 to 2-3/4-inch adjustable backset. Grade 2 BHMA certification and SmartKey re-keying add useful physical-security features.

Pros

• Stores up to 250 custom user codes.
• Offers auto-lock settings from 30 seconds to 10 minutes.
• Includes SmartKey re-keying and Grade 2 BHMA certification.

Cons

• Requires a compatible Z-Wave hub, sold separately, for smart controls.
• Works only with doors 1-3/8 to 2 inches thick and uses four AA batteries.

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Buying Guide

Hub compatibility is the most important factor when choosing a Z-Wave-connected lock. A lock that cannot join your existing hub, controller, or alarm system may lose remote access and automation features.

• Hub and frequency compatibility: Confirm support for your controller, such as SmartThings, Hubitat, or Home Assistant, and match the required Z-Wave frequency for your region.
• Door and deadbolt fit: Measure the backset, usually 2 3/8 or 2 3/4 inches, plus door thickness and hole diameter before ordering. Check that the lock replaces your current deadbolt.
• Security rating: Look for an ANSI/BHMA Grade 1 or Grade 2 rating. Grade 1 suits exterior doors with heavier security demands, while Grade 2 fits many residential entrances.
• Power and backup access: Choose a model with at least six months of typical battery life, low-battery alerts, and an exterior keyway or 9-volt emergency power option.
• Access and installation features: A keypad with 20 or more user codes helps larger households. One-touch locking, auto-lock settings from 30 seconds to 10 minutes, and a clear installation guide can reduce daily hassle.

If you cannot have everything, prioritize hub compatibility and physical door fit before convenience features.

Frequently Asked Questions

How does a Z-Wave door lock work?

A Z-Wave door lock connects to a compatible smart-home hub, which sends commands to lock or unlock the deadbolt. The hub can also share status with apps, alarms, and automation routines. Most Z-Wave devices communicate across roughly 30 to 100 feet indoors, depending on walls and other powered devices.

What features matter most in a Z-Wave smart lock?

The most useful features are secure key access, a compatible hub, clear battery warnings, and a manual key or thumb turn. Look for models that support multiple user codes and auto-lock settings. A typical keypad lock stores 20 to 100 codes, but capacity varies by model and manufacturer.

Can I install a Z-Wave lock on any door?

You cannot install one on every door, because the lock must match the door’s borehole, backset, thickness, and existing deadbolt layout. Many residential doors use a 2⅛-inch borehole and a 2⅜- or 2¾-inch backset. Check the product’s measurements before buying, especially for multipoint or narrow-profile doors.

Are Z-Wave door locks secure and reliable?

Z-Wave door locks can be secure and reliable when installed correctly, paired with an updated hub, and protected with unique user codes. They still depend on batteries, network setup, and the physical door. Plan to replace batteries about once or twice a year, though usage, temperature, and model can change that interval.

Conclusion

Kwikset HomeConnect 620 Keypad Smart Lock is the top pick for homeowners who want keyless entry, Z-Wave control, and a familiar keypad. If your priority is a lower price or simpler setup, choose a basic keypad model that works with your existing hub, since it may reduce equipment and installation costs. Before buying, double-check the lock’s size, deadbolt fit, Z-Wave compatibility, package quantity, and current price, then confirm the interior unit has enough clearance and that your hub supports the required features, because a good match on paper can still fail at the door or cost more after accessories. A careful fit check helps prevent returns and installation problems.