Your renovation is finished. The dust is settled, the punch list is closed, and the final invoice is paid. But before you relax into the new kitchen or the finished casita, ask one question: how many people had a key, a code, or a clear view of your home’s entry points over the last few months?

A renovation is one of the few times your home’s security perimeter is wide open by design. Contractors, subcontractors, inspectors, delivery drivers, and sometimes a property manager all moved through your space, often unsupervised, often with access you granted weeks ago and forgot about. Closing that gap is the last step of the project, not an optional add-on.

Quick summary:

• Rekey or replace every exterior lock that contractors or subs had access to during the project, not just the ones tied to the renovation itself.
• Audit garage doors, side gates, casita entrances, and pool gates separately; these get forgotten more often than front doors.
• If smart locks were installed during the renovation, confirm that old user codes and app access were wiped, not just the installer’s.
• Phoenix’s heat and dust cycles wear on lock hardware more quickly than in mild climates, so a post-renovation inspection doubles as a maintenance check.
• A same-day rekey is almost always cheaper and faster than a full lock replacement, unless the hardware itself is damaged or needs to be upgraded.

Why a Renovation Leaves Your Home More Exposed Than You Think

During a typical remodel, access isn’t limited to one trusted contractor. General contractors sub out electrical, plumbing, flooring, and HVAC work, and each crew may show up on a different schedule, sometimes when the homeowner isn’t on-site. Lockboxes get placed on the front door for convenience. Garage code pads get shared so deliveries can come and go. Side gates get propped open for material staging and stay that way for days.

None of this is unusual, and it’s not a sign anyone did anything wrong. It’s simply how renovation logistics work. The issue is that very few homeowners go back and methodically close every access point once the work wraps. The result is a home where the new floors are immaculate, and the locks are still the same ones a dozen strangers had access to.

Who Actually Had Access During Your Project?

Before deciding what to rekey or replace, make a real list. It’s longer than most homeowners expect:

• The general contractor and project manager
• Every subcontractor crew (electrical, plumbing, drywall, flooring, painting, landscaping)
• Building inspectors who needed entry for code checks
• Delivery and installation crews for appliances, cabinetry, or fixtures
• Anyone who used a lockbox code, including real estate agents, if the home was also listed or appraised during the project
• House cleaners or staging crews were brought in near the end

If a lockbox was used at any point, treat that as a compromised access point even after it’s removed. Lockbox codes get shared more casually than people realize, and you have no way to know how many devices that code was typed into.

Rekey or Replace? What Makes Sense After a Renovation

This is the most common question Phoenix homeowners ask once a project closes out, and the right answer depends on what actually happened to the hardware during construction.

Situation	Recommended Action	Why
Original locks are intact; just want a clean slate	Rekey	Same hardware, new key, fastest and cheapest option
New exterior doors were installed during the reno	Replace or rekey new hardware	New doors usually come with builder-grade locks that should be upgraded anyway
Smart lock installed mid-project	Factory reset + reconfigure	Wipes installer and contractor codes from the system
Door frame was damaged or shimmed during install	Replace	Damaged frames compromise strike plate alignment and security
Multiple contractors had lockbox or code access	Rekey at minimum, consider smart lock upgrade	Physical keys can’t be “revoked” once duplicated; codes can
Pool gate, casita, or guest house also renovated	Treat as separate access point	These are routinely overlooked and locked with builder-grade hardware

Rekeying is almost always the lower-cost option when the hardware itself is undamaged. Replacement makes sense when doors were swapped, frames were altered, or you’re using the moment to upgrade to better-rated hardware anyway.

The Smart Lock Mismatch Nobody Catches

Smart locks installed during a renovation create a specific blind spot. The installer sets up the lock, creates an admin account, and hands you the app login. What often doesn’t happen is a full audit of every user code and every linked device created during testing and installation. Electricians and low-voltage techs sometimes get a temporary code to test the lock alongside other smart home systems, and that code can sit active long after the project ends.

Before you consider a smart lock “done,” check the app for every registered user, every temporary code, and every connected device. If you can’t account for who or what each entry represents, remove it and start clean.

Entry Points Contractors Forget (and So Do Homeowners)

Front and back doors get most of the attention. These get missed:

• Garage side doors and code pads. Garages are a primary staging area during renovations, and the code pad is often shared informally.
• Casitas and guest houses. If your Phoenix estate has a detached structure, it likely has its own lock that never made it onto anyone’s checklist.
• Pool and side-yard gates. Landscaping and pool work mean these gates were propped open repeatedly, and the latch hardware itself often shows wear by the end of a project.
• Storage sheds and equipment access. Lower priority, but still a point worth checking if expensive equipment is stored there.

Phoenix-Specific Factors Worth Knowing

Local climate plays a real role here, separate from the renovation itself. Phoenix’s heat cycles, dust, and the summer monsoon season put more wear on exterior lock hardware than milder climates do. Metal expands and contracts with the heat, dust works into pin tumblers, and monsoon humidity spikes can cause sticking in hardware that’s been sitting unused or exposed during construction. A post-renovation lock inspection is a good moment to also check for this kind of wear, especially on any hardware that was exposed to open construction conditions for months.

If your property is in an HOA community, also confirm whether shared gate codes or community access credentials need to be reset, separate from your own home’s locks.

Post-Renovation Security Checklist

• [ ] List every party that had physical key or code access during the project
• [ ] Rekey or replace all exterior door locks
• [ ] Reset or replace smart lock codes and review all linked users
• [ ] Inspect and reset garage code pads
• [ ] Check casita, guest house, and detached structure locks separately
• [ ] Inspect pool gates and side-yard gate hardware for wear and proper latching
• [ ] Remove any lockbox used during the project
• [ ] Confirm HOA or community gate codes were not shared and reset if needed
• [ ] Test all new locks and smart devices before considering the project closed

When to Call a Locksmith vs. a Security Company

A locksmith handles the physical layer: rekeying, replacing hardware, repairing damaged frames, and properly configuring smart locks. A security company handles monitored alarm systems, cameras, and sensors. Most post-renovation situations are a locksmith job first, since the question is almost always “who has a physical or digital way in,” not “do we need monitoring.” If your renovation also disrupted an existing alarm system (common when electrical work touches door and window sensors), you may need both, and a locksmith can usually tell you which parts of that work fall outside their scope.

If you’re not sure where your home stands after a project, a same-day lock audit is a low-cost way to find out before it becomes a problem instead of a checklist item.

Frequently Asked Questions

Do I need to rekey my house after a renovation, even if nothing seems wrong?

Yes. The risk isn’t visible damage; it’s unknown access. Contractors, subs, and delivery crews may have had keys or codes for months, and you have no reliable way to know if any were duplicated. Rekeying closes that gap regardless of whether anything has gone wrong yet.

How much does it cost to rekey a house in Phoenix after a renovation?

Rekeying is typically far less expensive than replacing hardware, since the existing lock body is reused with a new key. A full replacement costs more and is usually necessary only if doors or frames were altered during the project. A locksmith can quote exact pricing after seeing your specific hardware.

Should I just change my smart lock codes myself instead of calling a locksmith?

You can reset the codes yourself if you have full admin access and know all devices or users associated with the lock. If you’re unsure who has access or the lock was set up by an installer you didn’t personally onboard, a factory reset and professional reconfiguration are safer.

What’s the most commonly forgotten entry point after a renovation?

Garage side doors and detached structures like casitas or guest houses. Most homeowners focus on the front door and miss the points that were actually used most during construction.

Does Phoenix’s climate actually affect lock security?

Heat cycling, dust, and monsoon humidity genuinely accelerate wear on exterior lock hardware. It doesn’t replace the need to rekey after a renovation, but it’s a real reason to combine a security check with a hardware inspection rather than treating them separately.

Is a lockbox used during a renovation a real security risk afterward?

Yes. Lockbox codes get shared more casually than most homeowners expect, often with people the homeowner never personally vetted. Once a code has been used by multiple parties, the lockbox itself should be removed and the door it protected should be rekeyed.

See also: Restricted Key Systems: The Smart Security Upgrade for Phoenix Luxury Properties | Why Luxury Homeowners in Phoenix Should Never Rely on Hardware Key Copies