Lock Checklist Between Tenants: A Miami Landlord Guide

Why the lock is part of the turnover, not an afterthought

Most landlords treat a turnover as a cleaning and painting project. The walls get patched, the carpet or floors get attention, the appliances get wiped, and the keys get handed over at the end. The lock rarely gets a thought until something goes wrong, and by then the question is awkward: who still has a copy?

A key does not expire when a lease does. The outgoing tenant may have made extras for a partner, a parent, a dog walker or a friend who watered the plants. Previous tenants before that person may have done the same. Over several lease cycles, a single apartment or house can have a surprising number of working keys scattered around Miami and beyond.

That is the real reason a turnover checklist matters. It is not about suspecting anyone. It is about making sure the only people who can open the door are the people who are supposed to be able to, and that you can say so with a straight face if a new tenant ever asks.

This page is general guidance for Miami Dade landlords and property owners. Your lease, your association rules and your own situation will shape the details, so treat the steps below as a framework you adapt rather than a rulebook.

There is also a fairness angle. A new tenant is paying for a home that feels secure from the first night. Handing over a unit where the previous occupant's keys might still work is a quiet breach of that expectation, even if nobody ever misuses them. Doing the lock work before move in is a way of respecting the person who is about to live there, and it protects you from awkward conversations later.

Start with a walk and a written list of every opening

Before anyone touches a tool, walk the unit and write down every opening that locks. Front door, back door, any side door, sliding patio door, garage entry, balcony door, storage closet, mailbox, and any window that has a latch or a secondary lock. Include the shared elements too: a building entry fob, a gate remote, a parking access card, a laundry room key.

Next to each item, note what type of lock it is and who controls it. A deadbolt on the unit door is yours. A cluster mailbox is usually controlled by the postal service or the association. A lobby door belongs to the building. Knowing the difference saves you from trying to change something that is not yours to change, and it tells you whom to call for the rest.

This list becomes your master record for the unit. Keep it somewhere you can find it in a year, because the next turnover will be easier if you do not have to rediscover which door has the odd lock.

Take a few photographs while you are there. A picture of the lock set, the strike plate and the door edge is more reliable than memory, and it helps a technician understand what is on the door before a visit. It also gives you a plain record of the condition of the hardware at the start and end of each tenancy, which can be useful if a question about damage ever comes up.

• Entry door deadbolt and the handle or latch below it.
• Sliding patio or balcony door lock and any security bar.
• Any garage, side or utility door that connects to the unit.
• Mailbox, storage closet and any shared amenity key.
• Building fobs, gate remotes and parking access cards.

Decide between rekeying and replacing

For the main entry points, you have two honest options. Rekeying changes the inside of the existing lock so that old keys no longer work and a new key does. Replacing swaps the whole lock for a different one. Both end with old keys being useless, but they differ in what else they accomplish.

Rekeying makes sense when the hardware is in good shape and you simply want a clean key history. It is also convenient when you want several doors to share one key, so a tenant is not carrying a ring of four. Our guide on rekey versus replace goes through the trade offs in more detail, and the page on lock rekeying explains how the work is done.

Replacement makes sense when the lock is worn, loose, corroded or simply a lower grade than you would like. If the handle wobbles or the bolt drags, there is little point in rekeying something that is already failing. You can read about the signs of a loose lock to judge whether a lock is worth keeping.

If you are unsure, bring the question to the locksmith when you describe the situation. A good technician will look at the hardware and tell you which route fits, rather than selling you the bigger job by default.

One practical point for landlords with several doors: decide up front whether the unit should operate on a single key. Having the front door, the patio door and any secondary entry all work with the same key is easier on the tenant and easier on you, because you only track one key type. The trade off is that losing that one key affects every door it opens, so keep the number of copies small and written down.

Check how the lock behaves, not just how it looks

A lock that looks fine can still be tired. Turn the key all the way in both directions and feel for resistance, grinding or a sticky spot. Close the door gently and listen to whether the latch catches cleanly. Throw the deadbolt and see whether it extends fully into the frame or only partway.

Miami adds its own wear. Salt air and humidity attack metal finishes and moving parts, especially close to the water but also inland over time. A bolt that sticks on a humid afternoon and works fine in the morning is a lock asking for attention. The notes in our piece on salt air and lock corrosion explain what to look for, and lock maintenance can keep a good lock working longer.

Look at the door itself as well. A strike plate that has loosened, a frame that has shifted, or a door that has swollen and rubs can all make a perfectly good lock behave badly. Fixing the lock without addressing the door only moves the problem.

Sliding doors deserve their own look. The latch on a patio slider is often a light hook that wears out, and the track fills with grit and moisture over a tenancy. Check that the door closes fully, that the latch engages the frame without being forced, and that any secondary bar or pin is present. A slider that does not lock properly undermines a good deadbolt on the front door, because a visitor will simply try the weaker opening first.

Handle keypads, smart locks and codes

Electronic locks change the turnover job. There may be no physical key to worry about, but there are codes, and codes are easy to forget. A keypad lock often holds a master code, a handful of user codes, and sometimes temporary codes that were created for a cleaner or a contractor and never deleted.

The clean approach is to clear every user code, set a fresh master code that only you know, and then create the new tenant's code at handover. Check the battery at the same time. A lock that dies in the first week leaves a new tenant standing outside and starts the tenancy on the wrong foot. If the lock is a connected model, remove the previous account or device pairing so the old tenant's phone no longer has any say.

If you are considering moving a rental to electronic hardware, read about smart lock installation and our notes on managing keypad codes for guests, cleaners and contractors. Both are useful for deciding who should get a code and how to track it.

Remember that electronic locks still have a mechanical side. The bolt, the latch and the strike plate wear in the same way as on any other lock, and the humid climate here is hard on exposed electronics and battery contacts. If a keypad has been unresponsive, beeping oddly or slow to react, treat that as a turnover repair item rather than something to hand to the next tenant as a surprise.

Do not forget the shared and secondary keys

The unit door is the obvious one, but a tenant's access usually extends past it. In a condo or apartment community, there may be a mailbox key, a fob for the building entrance, a gate opener, a pool or gym key and a parking tag. Each of these is a way into the property, and each belongs on your turnover list.

Mailboxes deserve special mention. They are easy to overlook, and a lost or unreturned mailbox key means someone else might still be able to reach the new tenant's mail. The page on mailbox and cluster box locks explains who normally handles them and what to ask.

For fobs and gate remotes, the management office or association usually controls the programming. Ask them to deactivate the outgoing tenant's items and issue new ones, and keep a record of the serial numbers or tag numbers you receive. It is a small piece of paperwork that pays off the first time a question comes up.

Know who you need to ask in a condo or managed building

Landlords who own a unit in a condo or a managed community work inside someone else's rules. Many associations ask to be told when locks change, some require that a copy of the key be kept on file, and some restrict what hardware can be installed on the front door. Requirements vary, so the safest move is to ask your association or property manager before you schedule work.

If the building has a management office, bring them into the turnover early. They can tell you which fobs to deactivate, whether a key deposit applies, and whether a particular door finish is required. Our overview of condo lock rules and keys covers the common questions, and the page on high rise lockouts and management roles shows how responsibilities are often divided. High rises add layers, because the lobby, elevators, garage and unit doors may each answer to a different party.

Do not assume that a rule you met in one building applies in the next. Each association writes its own, and they change. A short phone call beats a notice of violation every time.

Think about the ownership check before any work starts

When you call a residential locksmith to rekey or change locks, expect to be asked to show that you have the authority to authorize the work. That is a good sign, not an irritation. A professional who opens or rekeys a door without checking is a professional who could be talked into letting the wrong person into your property.

Landlords sometimes forget that the person standing at the door may be a property manager, a family member or a hired helper, not the owner. If someone other than you will be there, talk it through beforehand so that the right paperwork or confirmation is available. The explanation of what to expect is simple: you call, you describe the situation and the place, authority is checked, the work and the price are explained before anything begins, and the finished result is tested with you.

If you manage several units, our page for property managers describes how larger portfolios usually organize this kind of work.

Be ready to explain the scope when you call. Say how many doors are involved, whether any are electronic, whether the building has its own access system, and whether the unit is occupied or empty. The more clearly you describe the situation and place, the more accurately the work and the price can be explained to you before it begins. A vague description tends to produce a vague plan, and vague plans are how turnover days run long and confusing.

Handing over keys and setting expectations with the new tenant

Once the locks are ready, the handover itself is worth doing deliberately. Give the new tenant the exact number of keys, fobs and codes you intend them to have, and write that number down on whatever you both sign. If the lease allows copies, say so. If it does not, say that too, and mention that special key types usually cannot be duplicated at a hardware counter without authorization.

Show the tenant how the locks work. It takes a minute to demonstrate that the deadbolt should be thrown when they leave, that the sliding door has a secondary lock, and that the keypad has a code they should change if they prefer. A tenant who understands the hardware is less likely to damage it or lock themselves out.

Tenants often have their own questions about what they may change. Our page on renter lock questions is written from the tenant side, and it can be useful to point them to it. Explain that you expect to be told before any lock is swapped, so you can keep a working key for legitimate access.

Finish by testing everything with the tenant if you can. Lock and unlock each door from both sides, check that the keys they were given are the right ones, and confirm that nothing sticks. It is far better to find a mismatched key at the door on move in day than to receive a message late in the evening from a tenant standing outside with a key that does not turn.

Build a record and a rhythm you can repeat

The most valuable part of any checklist is that it gets reused. After each turnover, update your list with what you did: which doors were rekeyed, which codes were reset, which hardware needs attention before the next tenant. Note the date, the work performed and the number of keys issued. A simple folder or spreadsheet is enough.

Over time, patterns appear. You may find that one door always sticks in summer, that the same sliding door lock fails every few tenancies, or that a certain key is always the one that goes missing. Patterns tell you where to invest in better hardware rather than repeat the same small repairs.

If you run short term or vacation stays alongside long term tenancies, the rhythm is busier and the stakes are higher. The notes on vacation rental lock management and the guide to spare key strategies will help you decide how many keys should exist at all, and where each one should live.

Finally, schedule a seasonal look. Hurricane season brings storm prep, shuttered windows and the occasional evacuation, and a landlord who knows where every key and code is stored can respond calmly. Check that doors close and latch properly before a storm, that spare keys are somewhere you can reach, and that tenants know whom to call if a lock fails. A small bit of preparation turns a stressful event into a routine one.