Change Locks After Moving in Denver

When you move into a new home in Denver, you’re inheriting a key history you know nothing about. The previous owners gave copies to neighbors, family members, and contractors. The people who had copies before them did the same. In a rental, the key history is even murkier — previous tenants, building managers, maintenance workers, and anyone those tenants gave a key to over the years. You don’t know who has what, and there’s no practical way to find out.
Rekeying your locks on move-in day is the standard security response to that situation. It’s not a dramatic measure — it’s routine maintenance that costs a fraction of what a lock replacement would and takes under an hour for most Denver homes. Every exterior lock gets rekeyed to a new key, all existing keys become permanently inoperable, and access control is entirely yours from that point forward. The alternative is running your home security on the assumption that every previous key holder was careful, responsible, and didn’t make copies — which is a lot to assume about people you’ve never met.
This guide covers why move-in rekeying matters specifically in Denver’s housing market, when rekeying is the right call versus full lock replacement, what the process looks like on-site, and how Locked Out Locksmith handles move-in rekeying across the metro area.
Denver’s real estate market moves fast. Properties in Capitol Hill, Baker, Wash Park, the Highlands, and RiNo change hands frequently — and every transaction leaves a key history in its wake. Sellers hand keys to real estate agents, inspectors, appraisers, and neighbors who agreed to collect packages. Landlords give copies to contractors and maintenance teams. In high-turnover rental buildings in Five Points, Uptown, and near the universities, a single unit might have had dozens of key copies issued over a decade of occupancy.
Rekeying addresses all of that in one visit. A locksmith removes the lock cylinders, replaces the internal key pins with a new configuration matched to a new key, and reinstalls everything. The lock hardware stays in place. Your new key works. Every previous key doesn’t. The cost is significantly lower than replacing the locks entirely, and the outcome – complete access control from the moment you move in – is identical.
The lock rekeying service Locked Out Locksmith provides covers all exterior doors in a standard Denver home in under an hour, with all locks keyed to the same key if you want single-key convenience. Mobile technicians arrive within 30 minutes for most Denver metro addresses and carry the tools and pin sets needed for all standard residential lock brands on every service call.

The choice between rekeying and replacing depends on the condition of the existing hardware and the reason you’re changing access. Both outcomes produce the same result — previous keys no longer work — but they differ significantly in cost, time, and what you end up with afterward.
| Situation | Rekey | Replace |
| Moving into a Denver home with working locks | Correct — fast, affordable, same security outcome | Not required if hardware is in good condition |
| Locks are worn, stiff, or operate inconsistently | Not recommended | Correct — address the hardware failure |
| You want to upgrade from Grade 2 to Grade 1 hardware | Not applicable | Correct — rekeying keeps existing grade |
| Previous tenant changed and keys are unaccounted for | Correct solution | Optional — rekeying achieves the same outcome |
| Lock was visibly tampered with or forced | Not appropriate | Required — compromised hardware needs replacement |
| You want to consolidate all doors to one key | Correct — rekey all to the same cut | Possible but significantly more expensive |
| Moving into a property after a break-in | Not sufficient on its own | Required — replace alongside frame repair |
Locked Out Locksmith technicians assess the hardware on-site before starting any work and confirm which approach the condition supports. If rekeying is appropriate, they handle it immediately. If a lock’s condition warrants replacement, they’ll tell you that with a clear explanation and a quote before any work begins. Both services are available on the same visit through our residential locksmith team.
The on-site process for rekeying a Denver home is straightforward for a trained technician. Here’s what happens from the moment the locksmith arrives to when the job is complete:
Standard Denver homes with three to four exterior locks are typically complete in 45 to 60 minutes. All existing keys for the old configuration are permanently inoperable from the moment the new pins are installed — there’s no delay, no waiting period, and no need to collect old keys from anyone who might have them.
High-Turnover Rental Properties in Capitol Hill, Baker, and Five Points
Denver’s densest rental neighborhoods generate the most complex key histories. In Capitol Hill, Baker, Five Points, and Congress Park, rental properties often have histories stretching back decades, with landlords and property managers who were diligent about collecting keys at lease end and others who weren’t. When you move into any Denver rental, the only certain way to know you control access is to rekey. The landlord’s good intentions and general diligence aren’t the same thing as a confirmed fresh key configuration. Some Denver lease agreements require tenants to provide notice before rekeying — check your lease, but know that rekeying is generally permitted for security purposes in Colorado. Locked Out Locksmith handles these appointments same-day across the Capitol Hill and Baker areas and throughout the dense residential core of Denver.
Recent Home Purchases in South Metro Communities
Denver’s south metro communities — Centennial, Highlands Ranch, Aurora, and Lakewood — have active real estate markets where properties change hands frequently and quickly. In the rush of a fast close, rekeying often gets pushed down the priority list behind the move itself. It shouldn’t. The sellers’ real estate agent, the inspector who walked through, the previous owner’s family member who helped pack — all may have had copies of the key that can no longer be tracked. Rekeying on or within a few days of move-in closes that window before it becomes a problem rather than after.

Most move-in situations are straightforward rekeying calls. A few specific circumstances warrant a different conversation about what the right level of response looks like.
If the locks on the property are visibly worn — keys require significant force to turn, the bolt doesn’t engage cleanly, or the cylinder wobbles in the door — rekeying a failing mechanism doesn’t fix the underlying hardware problem. A worn lock that’s been rekeyed is still a worn lock. Lock installation with new hardware addresses the security gap that rekeying leaves open in those situations.
If the property has older Grade 3 builder-grade deadbolts and you’re moving into a neighborhood where security is a specific concern, a hardware upgrade alongside the rekey makes practical sense. Grade 1 deadbolts with reinforced strike plates provide meaningfully better forced-entry resistance than what most Denver properties ship with from developers. Locked Out Locksmith can assess the grade of existing hardware and quote a replacement alongside the rekeying if it’s warranted, all during the same visit.
For homeowners who want to eliminate physical keys entirely while also addressing the unknown key history problem, a smart lock installation during the move-in window replaces key-based access with code or app-based control. Every previous key becomes irrelevant not because it’s rekeyed but because the door no longer responds to physical keys at all.
Rekeying is the foundation of move-in security, but it’s most effective when it’s part of a broader check of what you’re working with. A few additional items worth addressing during the same locksmith visit:
The Denver Police Department actively recommends reviewing residential access credentials when moving into a new property as part of their home security guidance for Denver residents. The Denver Police Department’s Safety and Crime Prevention page provides specific guidance on residential security steps for Denver homeowners and renters — rekeying on move-in is among the most consistently cited recommendations.
Rekeying locks after moving into a Denver home is one of the most practical and cost-effective security investments available to new homeowners and renters. It takes under an hour, costs significantly less than lock replacement, and produces the same essential outcome: complete, confirmed access control from the moment you move in. The unknown key history of every property you move into — purchased or rented — is a real, addressable security gap, and rekeying is how you address it.
Locked Out Locksmith provides same-day move-in rekeying across Denver and the surrounding metro, with mobile technicians available within 30 minutes for most addresses. The service covers all exterior doors in a single visit, all keyed to one key if preferred, with the old keys tested on-site to confirm they no longer work before the technician leaves.

How much does move-in rekeying cost in Denver? Standard rekeying runs $15 to $25 per cylinder for the rekeying service itself, plus the service call fee. Most Denver homeowners rekeying three to four exterior locks complete the full appointment for $80 to $150, including the service call. This is typically 50 to 70 percent less than replacing the locks entirely with equivalent-grade hardware. Locked Out Locksmith confirms the total price before any work begins — call (303) 482-1434 for a phone estimate based on your specific number of locks and location.
Should I rekey immediately on move-in day or wait? Immediately, or as close to move-in day as possible. Every day between taking possession of the property and rekeying is a day where someone with an old key has access. In most situations nothing happens during that window — but the window doesn’t need to exist. Same-day rekeying on move-in day or the day before is the cleanest approach, and Locked Out Locksmith accommodates same-day scheduling across most Denver metro areas.
Can I rekey my rental apartment in Denver without the landlord’s permission? In Colorado, tenants generally have the right to install or change locks for security purposes, though specific lease terms may require landlord notification or approval beforehand. Review your lease agreement first. If your lease requires landlord notification, that’s typically a simple written notice rather than permission — the right to secure your rental from unknown key access is a basic security interest Colorado law recognizes. When in doubt, contact a Colorado tenant rights resource for guidance specific to your situation.
Can all my Denver home’s exterior locks be rekeyed to the same key? Yes. This is a standard part of the rekeying service. All exterior locks — front door, back door, side entry, and any others you want included — can be rekeyed to operate on a single new key. The locksmith matches the pin configuration in each cylinder to the same key cut, so one key handles every door. This is typically preferred over having separate keys for each entry and adds no significant time or cost to the appointment.
How quickly can Locked Out Locksmith respond to a move-in rekeying call in Denver? Most Denver city addresses and nearby communities including Aurora, Centennial, Highlands Ranch, and Lakewood see a technician within 30 minutes. Move-in rekeying is treated as a standard scheduled service — call ahead on move-in day and the technician arrives with pin sets for all common residential lock brands, ready to complete all doors in one visit.
Is there anything else I should do for home security besides rekeying when I move in? The Denver Police Department specifically recommends rekeying or changing locks as an immediate move-in security step, alongside checking window locks, resetting garage door codes, and reviewing other property access points. Their Safety and Crime Prevention resources provide a broader residential security checklist for Denver homeowners. For the lock hardware itself, the technician can assess strike plate condition and existing deadbolt grade during the same rekeying appointment and advise on whether any upgrades are worth considering.