24 hour locksmith — Cambridge, MA

Last updated: September 24, 2026

What affects the price

Locksmith bills vary based on the specific job requirements. The time of day matters, as after-hours or holiday service often carries a higher fee. Your location also plays a role, as travel distance affects the total. The type of hardware involved—whether it is a standard deadbolt, a high-security lock, or a modern electronic key fob—dictates the complexity and parts needed. If you are locked out of your home, the difficulty of the entry method will be a factor. Exact pricing confirmed free on the call.

About this service

A 24-hour locksmith is available to assist with emergencies outside of standard business hours, such as late at night or on holidays. You need this service if you lose your keys or suffer a lockout when most shops are closed. Because these services involve working during off-hours, the cost is typically higher than a standard weekday appointment. Factors like your specific location and the complexity of the lock determine the total. Exact pricing confirmed free on the call.

Frequently asked in Cambridge

Also serving nearby: Newton · Boston · Quincy · Lynn · Brockton

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More on this: FTC locksmith scam alert — avoiding locksmith scams — why licensed routing matters.

Service area details

Serving all of Cambridge — population 118,214; about 18,479 residents per square mile across 6.4 sq mi. ZIP codes covered include 02138, 02139, 02140, 02141, 02142, 02238.

Neighborhoods served in Cambridge: Harvard Square, Central Square, Inman Square, Porter Square, East Cambridge — and every surrounding area.