Getting locked out because an app crashes or a battery dies is a frustration you can avoid. A smart lock that keeps a physical key as a backup gives you digital convenience without putting all your trust in a single point of failure.
We looked at the Best Smart Locks With Key to find models that offer modern access control while still letting you turn a key if you need to. Our research focused on how well they integrate keyed entry without compromising on smart features.
Our overall pick is the Yale Matte Black Keyed Deadbolt Smart Lock with Google Matter. It provides a clean path to Matter compatibility for future smart home expansion, all while keeping a traditional keyway for peace of mind. Our top picks are just below.
Our Top Picks
Philips WiFi Smart Deadbolt: Keyless Front Door Lock with Fingerprint and Remote App Control
Pros
- Multiple unlock methods fit different family members and situations
- Built-in WiFi enables control from anywhere without extra devices
- Real-time notifications track who enters your home
- Simple setup works on most standard doors
- Custom passcodes manage guest access easily
Cons
- Batteries not included, so purchase 4 or 8 AA alkaline separately
- No door sensor means auto-lock works only if door is fully closed
- Requires stable home WiFi nearby for reliable remote access
This Philips WiFi deadbolt offers straightforward keyless entry for your front door, replacing traditional locks with options like fingerprint scans, app control, or passcodes. For busy mornings rushing kids to school, a quick finger touch opens the door without fumbling for keys, while remote unlocking from your phone handles package deliveries when you're at work. Entry notifications keep you informed about who's coming and going, providing peace of mind during the day.
Auto-locking after a set time ensures your home stays secure even if you forget in the rush out the door, and away mode disables most access methods except a master code when you're on vacation. Family members each get their preferred method, from voice commands via smart speakers to physical keys as backup. This setup reduces daily hassles around the front entry while maintaining solid protection.
Custom passcodes let you grant temporary access to service providers without being home, tracking exactly when they arrive and leave through the app history. Though it lacks a door sensor, the flexible unlock variety covers most household needs, making it a practical upgrade for monitoring porches and securing against unauthorized entry.
Overall, it delivers reliable control for everyday home defense, focusing on convenience in real scenarios like watching over pets inside or gates near driveways.
Check your door thickness first, as this lock fits standard sizes from 1-3/8 to 2 inches thick. Most front doors match this without issues.
- Use just a screwdriver for a 10-minute DIY install on right or left-handed doors.
- Provide 4 or 8 AA alkaline batteries, as none come included.
- Ensure your door has a standard deadbolt hole setup; measure beforehand to avoid returns.
- Available in black or nickel finish, so confirm color preference.
The app connects directly via your home WiFi for remote locking, unlocking, and alerts without any hub. Keep the lock within range of your router for steady performance.
- Works with common home networks; update the app for voice control with Alexa or Google Assistant.
- View entry history and manage up to 100 passcodes or fingerprints for family and guests.
- Real-time notifications arrive on your phone for door activity.
- Away mode adds protection by restricting access remotely.
Pros
- Replaces existing deadbolt using only a screwdriver.
- Auto-lock reduces chances of leaving the door unsecured.
- App enables remote locking and code sharing from anywhere.
- Keypad works while wearing gloves.
Cons
- Depends on a stable home network for remote alerts.
- Battery changes are needed every few months.
- Initial app connection may need extra steps.
This deadbolt gives homeowners straightforward control over front door access through keypad or phone options. It connects to an app for checking status during the day.
Auto-lock activates once the door closes, which helps after leaving for work or handling deliveries. Remote code sharing works well for letting in service providers without being present.
The main trade-off here is reliance on a steady internet link to receive alerts away from home. Without it, some features become unavailable.
I see this suiting owners of standard entry doors who want basic remote oversight without complex setup.
This lock fits most standard deadbolt holes on wood or metal doors during replacement projects. It uses a screwdriver for the swap without extra drilling in many cases.
- Confirm your door thickness matches common sizes before starting.
- Apartment renters should check lease rules on modifications first.
- New installs may need a compatible strike plate addition.
- Wood-frame homes allow easier alignment than older metal setups.
Always test the latch movement after fitting to avoid binding issues later.
Pros
- Replaces existing deadbolts on most doors easily
- Works with Google Home for voice lock commands
- Offers code, app, and key backup access options
- Fingerprint resistant keypad stays clean daily
Cons
- Remote access requires a separate Matter hub
- Limited to 2.4 GHz networks only
- Battery changes needed every few months
This Yale deadbolt delivers reliable keyless entry for standard front doors in homes with Google setups. It supports remote checks and code sharing without needing physical keys on hand.
The integration lets you confirm door status during package arrivals or when kids return alone. Voice commands via Google Assistant handle locks when carrying items inside.
The main trade-off here is the need for a Matter hub to enable full remote use beyond the home network. Local codes still function without it.
It fits best for homeowners already using Google devices who want simple daily access management.
Measure your current deadbolt hole before buying. Most standard U.S. doors fit without extra work, but smaller 1.5 inch bores need the included adapter.
- Replace an old deadbolt by removing two screws and sliding in the new unit.
- Wood frame doors install the same as metal ones with basic tools.
- New installs require drilling a deadbolt hole if none exists.
- Align the latch properly to avoid binding on the strike plate.
- Apartment renters should check lease rules before swapping hardware.
Pros
- Allows remote unlock for deliveries or visitors
- Fits standard doors with basic screwdriver setup
- Backup keys and charging port prevent lockouts
- Multiple codes reduce key sharing among family
Cons
- Needs steady WiFi for app functions to work
- Batteries require replacement every six months
- Keypad can show wear from frequent use
This smart deadbolt provides keyless entry options that simplify daily front door routines for most homes.
It handles remote approvals well when packages arrive or when family members need entry without keys on hand.
The main trade-off here is reliance on batteries that must be swapped regularly to maintain operation.
Homeowners with standard doors and basic WiFi access will find this setup practical for added convenience.
This lock fits most U.S. doors between 1-3/8 and 2 inches thick. Check your door thickness first to avoid mismatches during setup.
- Standard left or right handed doors work without extra parts.
- Replacement installs take about 10 minutes with a screwdriver.
- New builds may need hole adjustments if existing cutouts do not match.
- Apartment doors often require landlord approval before changes.
- Wood frame doors accept the lock easily while metal ones may need extra drilling care.
Buying Guide for Smart Locks with Key
A lock with a key backup has to serve two masters: it needs to work seamlessly as a smart device while keeping its mechanical fallback ready and reliable. The right balance depends on your door, your routine, and how you plan to use both access methods.
Keyway placement and weather protection
Where the keyhole sits on the lock affects both security and durability. A keyway on the bottom can collect rain and debris, which may freeze or cause corrosion over a winter. A side-mounted key cylinder is often better protected from the elements.
Look for a design that shields the keyhole without making it awkward to use. This is especially important for front doors facing prevailing weather, where a clogged keyway on a cold night defeats the purpose of having a backup at all.
Smart platform and backup independence
The smart side of the lock should not interfere with the mechanical key. Some locks pair their key to the same app that manages codes, which can create a single point of failure if the platform has an outage. The physical key should work entirely independently of Wi-Fi or battery status.
This separation is critical for renters or anyone who cannot guarantee a perfect network. A lock that uses a common standard, like those compatible with Matter, offers more long-term flexibility than one tied to a proprietary ecosystem you might want to leave later.
Battery alerts and key access
A smart lock that dies silently turns your key backup from a convenience into a necessity. A clear low-battery warning gives you days to change batteries before you are forced to use the key. The alert should be obvious, not buried in an app notification you might miss.
For households with frequent comings and goings, battery life is less about total months and more about predictable decline. A lock that powers the keypad from a separate source than the motor can often give more reliable warning before a complete failure.
Installation and door fit
Not all doors are prepared for a lock that adds electronics to a deadbolt. The thickness of your door and the existing hole alignment determine whether a smart lock will sit flush or require adapters. A poorly fitted lock can strain the mechanism and shorten its life.
Most models include templates and spacers for standard doors, but older homes or apartment doors often have non-standard setups. Checking the lock’s compatibility with your specific door setup prevents the frustration of a halfway-installed lock and a trip to the hardware store.
Code management and key control
When you give out temporary codes for a cleaner or guest, you want to know those codes expire as scheduled. A lock that reliably manages digital access reduces how often you need to hand out physical keys, which are harder to retrieve and track.
This is where smart locks with key backup excel over traditional keypad deadbolts. You can run the door on codes for daily use, keeping the physical keys for true emergencies or trusted family members. It is a practical approach to controlled access, similar to the logic behind dedicated smart key lockboxes for handoffs.
Durability and finish
The lock’s exterior takes daily contact from hands, weather, and occasionally bumped packages. A finish that resists fingerprints and scratches maintains its appearance, while the internal mechanism needs to withstand temperature swings without binding.
Look for materials that feel solid, not hollow, when you operate the key or turn the thumbturn. A lock that meets a recognized durability standard, like ANSI Grade 3, has been tested for cycles and force, which translates to years of reliable operation on a busy door.
Once you weigh where you need key access against the smart features that simplify your day, the choice becomes clearer. The goal is a lock that you use digitally most of the time, with a key that works when everything else does not.
Why You Should Trust Us
Our recommendations are based on systematic research, not hands-on testing. We analyze manufacturer specifications, cross-reference independent certifications from organizations like UL and BHMA, and examine the architecture of smart home compatibility. Each product is evaluated against a consistent set of criteria for security, convenience, and reliability.
We use the SHU Score, a proprietary rating system that weights factors like installation clarity, backup access reliability, and platform stability. This method allows us to compare locks objectively, focusing on how they perform in real home scenarios rather than on paper.
Final Thoughts
The right smart lock with a key gives you control without complexity, adding digital access while keeping a simple physical solution in reserve. Focus on the backup key’s reliability and how the lock manages the transition between its smart and mechanical sides.
For most homes, the Yale Matte Black Keyed Deadbolt Smart Lock with Google Matter is our Editor’s Pick. Its built-in Matter support offers a future-ready path for your smart home, and the design integrates the keyway cleanly without sacrificing deadbolt strength. It is a solid choice for upgrading a main entry door.
If you prioritize widespread adoption and proven operation, the Yale Assure Lock 2 Deadbolt, Satin Nickel Keyed Smart Entry Door Lock is the Best Seller. Its built-in Wi-Fi removes the need for a separate hub, simplifying setup for those who want remote access without extra devices. This makes it a straightforward option for a first smart lock.
For side doors or rental properties where you need keyed access but also want basic app control, models with simpler Wi-Fi connectivity offer a good middle ground. Choosing a lock that fits your specific access pattern, whether for a main entry, a side gate, or a rental unit, turns a potential point of stress into one less thing to worry about.
FAQs
Can you still use a key with a smart lock?
Smart locks with a key backup are designed specifically for this. The physical key operates the mechanical deadbolt independently of the electronics, so it works even if the battery is dead or the Wi-Fi is down. This makes them a practical choice for primary entry doors where reliable access is non-negotiable.
Do smart locks with keys work during a power outage?
Yes, the key will always work because it turns the mechanical lock directly. The smart features like the keypad or remote access rely on battery power, so those may be unavailable if the batteries are dead, but the physical keyway does not require any power to function.
Is it better to have a keypad or just an app and key?
A keypad adds significant daily convenience for anyone entering without a phone, like children or frequent visitors. Relying only on an app and a key means you must always have your phone to enter digitally, which can be a problem if the battery dies or the app has an issue.
How do you rekey a smart lock with a key?
Most smart locks with keys use a standard key cylinder that a locksmith can rekey to match your existing house keys. The process is the same as rekeying a traditional deadbolt; the smart electronics are housed separately and are not affected by changing the physical key pins.
What happens if the smart lock motor fails?
If the motor that drives the smart locking mechanism fails, you can still use the physical key to lock and unlock the door manually. The key turns the bolt directly, bypassing the motor entirely. You would lose remote and keypad access until the unit is repaired or replaced.
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