Windows and Doors · Doors

Door Lock Replacement Cost, Permits and Who Does the Work

Removing an existing door lock and installing a new one, typically handled by a locksmith.

Model reviewed August 2026

Typical cost

Cost under revalidation

Get itemized local quotes

Range

Not published

Being revalidated

Trade

Locksmith

DIY difficulty 4/5

Permit

Rarely required

Normally treated as maintenance

Do I need a permit for door lock replacement?

Usually no

Door Lock work of this type is normally treated as maintenance or a direct swap and is not typically permitted. Always confirm with the building department that has jurisdiction over your address.

What this job costs

Cost range under revalidation.

We are revalidating the cost range for this job, so no price figures are shown here. Ask two or three local contractors for itemized written quotes covering labor, materials, permits and disposal.

A comparable written quote should separate the service call or diagnostic fee, labor hours, parts, any permit or inspection fee, and warranty terms. Ask what happens to the diagnostic charge if you approve the repair, and whether the parts carry their own warranty.

Variants

Distinct options within this job that buyers compare before committing.

Smart lockDeadboltKeypad

Calculators for this job

Window Replacement Cost Calculator Impact Window Cost Calculator Entry Door Cost Calculator Garage Door Cost Calculator

Related jobs

Related projects homeowners often plan together.

Replacement forDoor Lock InstallationCost under revalidation Replacement forDoor Lock RepairCost under revalidation Often combined withEntry Door Replacement$700 – $4,500 Often combined withEntry Door Repair$154 – $990 Often combined withEntry Door Installation$700 – $4,500 Often combined withSliding Glass Door Replacement$900 – $5,500 Often combined withSliding Glass Door Installation$900 – $5,500 Often combined withSliding Glass Door Repair$198 – $1,210

Also searched as

You may also hear this called:

replace door lock · new door lock · door lock replacement cost · door lock swap

Frequently asked questions

How much does door lock replacement cost?

We are revalidating the cost range for this job, so no price figures are shown here. Ask two or three local contractors for itemized written quotes covering labor, materials, permits and disposal.

Do I need a permit for door lock work?

Usually not. This work is normally treated as maintenance or a like-for-like swap, so no permit is typically pulled.

Who does door lock replacement?

A locksmith handles this job. DIY difficulty is rated 4/5 (5 = very DIY friendly).

Does the price change much by location?

Labor rates, local code requirements and permit fees move this price between metros. We are revalidating our range for this job, so compare itemized quotes from local contractors rather than a national figure.