How Much Does a Lock Change Cost?

Updated March 24, 2026 · Expert-verified answer

Quick Answer

A lock change costs $75–$200 per lock including the new lock and labor. High-security locks cost $100–$350. Smart locks cost $150–$400 installed. Changing all exterior locks on a home runs $250–$800.

Cost Breakdown

Service Low High Notes
Standard deadbolt change $75 $200
High-security lock $100 $350
Smart lock installation $150 $400
All exterior locks $250 $800
Knob + deadbolt combo $100 $250

How Much Does a Lock Change Cost?

A lock change costs $75–$200 per lock including the new lock and labor. High-security locks cost $100–$350. Smart locks cost $150–$400 installed. Changing all exterior locks on a home runs $250–$800.

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