Rekeying Locks After Moving: Your 2026 Home Guide

Table of Contents

• Why Rekeying Locks After Moving Should Be Your First Priority
• Rekey vs Replace Locks: Which Makes Sense for Your New Home?
  • When Rekeying Is the Smarter Choice
  • When a Full Lock Replacement Is Worth It
  • How to Tell the Difference in Five Minutes
• How Rekeying Works: Cylinders, Pins, and Keyways Explained
• Cost to Rekey House Locks: What Drives the Price
• Locksmith Services for New Homeowners: What to Expect
  • DIY Re-Keying Kits vs Professional Service
• Smart Locks, Insurance, and Lock Grading: What Most Guides Skip
  • Smart Lock Compatibility: Not Every Electronic Lock Can Be Rekeyed
  • Insurance Requirements: What Your Policy May Actually Say
  • Lock Grading Standards: The Number That Should Drive Your Decision
• Key Control, Duplication Risks, and Master Key Systems
• Conclusion: Secure Your New Home the Right Way
• Frequently Asked Questions

Last Updated: September 30, 2026

Why Rekeying Locks After Moving Should Be Your First Priority

Rekeying locks after moving changes the internal pin configuration of your existing lock cylinders so old keys no longer work, typically the single most important security step for a new homeowner. At Anytime Unlock and George's Key Shop, we've handled rekeys for new owners since 1971, and the pattern never changes: the first week in a new house is when you're most exposed.

Rekey vs Replace Locks: Which Makes Sense for Your New Home?

The short answer: rekey when your locks are in good condition and you just need old keys to stop working; replace when the hardware is worn, damaged, or below modern security standards. Rekeying is the cost-effective default for most move-ins.

When Rekeying Is the Smarter Choice

Rekeying wins when the lock mechanism is solid but the key situation is unknown. If your deadbolts throw smoothly, the cylinders aren't loose, and the hardware looks reasonably modern, a locksmith can reset the pins and hand you fresh keys.

• You have no idea how many copies of the old keys exist
• The existing locks are quality brands in good working order
• You want one key to open every exterior door
• You're renting and the landlord approves a rekey
• The cylinders are standard pin-tumbler designs (the vast majority of residential deadbolts and knobs)

When a Full Lock Replacement Is Worth It

Replacement makes sense when the hardware itself is the problem, not just the keys. Worn cylinders, sticky deadbolts, or builder-grade locks that fail a basic security assessment are worth swapping.

• The lock is damaged, corroded, or jammed
• The cylinder is a non-standard or high-security design that requires proprietary pins
• You're upgrading to a higher security grade (see the grading section below)
• You want a smart lock with keypad or app access
• The existing hardware is flimsy, thin gauge, loose mounting, or a strike plate held by short screws
• The lock is a discontinued model with no parts availability

How to Tell the Difference in Five Minutes

Walk your exterior doors and check four things:

1. Throw the bolt. If it binds, grinds, or needs a shoulder to seat, the mechanism is tired.
2. Wiggle the cylinder. Any play in the plug or housing means wear.
3. Look at the faceplate and strike. A strike plate secured with 3/4-inch screws is a builder-grade tell; 3-inch screws into the framing are a sign someone cared.
4. Check the brand and grade. A name-brand deadbolt with a Grade 1 or Grade 2 rating is worth rekeying. An unbranded lock with no rating is worth replacing.

If you're weighing this decision, a quick Consumer Reports guidance on door lock security can help you judge whether your current hardware is worth keeping.

How Rekeying Works: Cylinders, Pins, and Keyways Explained

Rekeying works by removing the lock cylinder, swapping the pins inside the plug to match a new key, and reinstalling it, so the lock mechanism stays but the key changes. The housing, strike plate, and deadbolt body remain untouched.

Cost to Rekey House Locks: What Drives the Price

Pricing for rekeying depends on the number of locks, the lock type, and whether you need mobile service, so it varies by job. We don't quote flat numbers because a single deadbolt and a five-door house with mixed hardware are completely different jobs.

What moves the price up or down:

• Number of cylinders. More locks, more labor.
• Lock type. Standard deadbolts are straightforward; some high-security cylinders take longer.
• Mobile vs. shop service. A mobile locksmith brings the work to your door.
• Key duplication. Extra copies and master key setups add cost.
• Condition. Seized or damaged cylinders take more time.

Locksmith Services for New Homeowners: What to Expect

A professional locksmith visit for a rekey usually takes under an hour for a typical home: assess, rekey, test, and hand over new keys.

1. Security assessment. The tech checks every entry point, notes the lock types, and flags anything worn.
2. Rekey each cylinder. Pins are swapped to match your new key.
3. Test operation. Every lock is cycled to confirm smooth function.
4. Key handoff. You get your new keys, and the old ones are now useless.

DIY Re-Keying Kits vs Professional Service

DIY re-keying kits exist and can work if you're handy and your locks are standard, but kits are brand-specific, and mismatched pins or a dropped tumbler can leave a lock jammed. For a single lock, DIY is reasonable; for a whole house with multiple entry points, professional service is faster and includes a security assessment. Anytime Unlock and George's Key Shop offers 24/7 mobile service, so scheduling around a move doesn't mean taking a day off.

Smart Locks, Insurance, and Lock Grading: What Most Guides Skip

Three things almost every rekeying guide ignores: whether your new smart lock can be rekeyed at all, what your insurer actually expects, and how lock grades should shape your rekey-or-replace call.

Smart Lock Compatibility: Not Every Electronic Lock Can Be Rekeyed

Smart locks fall into two broad categories, and the difference determines whether a move-in rekey is even possible.

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Before you buy, check three things:

1. Does the product page mention a standard keyway? If it lists a Schlage SC1, Kwikset KW1, or similar, it's almost certainly rekeyable.
2. Can the cylinder be removed without disassembling the electronics? If yes, a locksmith can rekey it.
3. Does the manufacturer sell a rekey kit? Kwikset's SmartKey system, for example, lets homeowners rekey compatible locks themselves with a simple tool, no locksmith visit required.

Insurance Requirements: What Your Policy May Actually Say

Homeowners insurance policies rarely mandate a specific lock brand, but many require baseline protections on exterior doors. Common policy language includes:

• Deadbolts on all exterior doors. A knob lock alone often doesn't satisfy the requirement.
• Minimum deadbolt throw. A 1-inch bolt is the common standard; shorter throws may not qualify.
• Locks in good working order. A jammed or non-functional lock can be treated as a maintenance issue and used to reduce or deny a claim.
• Proof of forced entry for theft claims. This is where rekeying matters: if a burglar used a key that was never returned, some insurers scrutinize whether the homeowner took reasonable steps to secure the property after move-in.

Lock Grading Standards: The Number That Should Drive Your Decision

Locks are rated under the ANSI/BHMA lock grading standards, which run from Grade 3 to Grade 1. The grade reflects how the lock performs under cycle testing, impact, and forced-entry attempts.

• Grade 3, basic residential. Builder-grade hardware. Acceptable but the minimum.
• Grade 2, mid-range residential. Noticeably better resistance and durability.
• Grade 1, highest residential and light commercial. The standard for doors you actually care about.

Key Control, Duplication Risks, and Master Key Systems

Key control is the practice of limiting who can copy your keys, and it's why a rekey matters even if the old keys "probably" got tossed. Standard keys can be duplicated at any hardware store in minutes, exactly the risk you're trying to eliminate.

Conclusion: Secure Your New Home the Right Way

The gap between "I moved in" and "I rekeyed" is the window where old keys still work, and closing it is the cheapest security upgrade a new homeowner can make. Rekeying locks after moving protects your entry points, resets key control, and gives you one key for the whole house.