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Crenshaw Lock

Deadbolt Installation in Azusa · 24/7 mobile

Deadbolt Installation in Azusa, California

Crenshaw Lock Company installs and replaces single- and double-cylinder deadbolts in Azusa, California, 24 hours a day, 7 days a week. We are fully mobile and come to your door, whether you are downtown, in Rosedale or near APU. Call (323) 997-8867.

  • Mobile to your Azusa location
  • Available 24/7
  • Price quoted before we start
Call (323) 997-8867or tap to call — we answer 24/7
Deadbolt bolt extended into a reinforced strike plate
Open now(323) 997-8867

A deadbolt is one of the simplest ways to make a door harder to defeat, but only when it is the right bolt, fitted properly to the right door. Azusa has a wide spread of housing, from 1920s bungalows near Azusa Ave to post-war tract homes to the newer foothill neighborhoods, and each one presents different door thicknesses, strike plates, and framing. Installing a deadbolt well means looking at the door and frame, not just drilling a hole.

Crenshaw Lock Company has served Greater Los Angeles and Ventura County since 1987, and owner and lead technician David Shar has seen nearly every kind of door and frame in the region. We are a fully mobile locksmith. There is no storefront to visit; we bring the tools, hardware options and know-how to your home, rental or small business in Azusa.

Whether you are adding a first deadbolt to a door that only has a knob lock, replacing a worn or sticky bolt, or choosing between single-cylinder and double-cylinder designs, we will explain the tradeoffs plainly. Some doors call for a double-cylinder bolt, but there are real safety considerations with those, particularly in emergencies, so we talk it through with you rather than push one option.

How it works in Azusa

  1. 1

    Call and describe the door

    Call (323) 997-8867 any hour. Tell us the door type (wood, metal, or fiberglass), whether it already has a bolt, and what you want: a new deadbolt, a replacement, or a matching keyed-alike set. We work out what to bring before we head over.

  2. 2

    Inspect the door and frame

    On arrival we check door thickness, the existing bore holes, the edge, and the condition of the jamb. A strong bolt in a weak frame does little, so we look at whether the strike area needs reinforcement.

  3. 3

    Choose the right deadbolt

    We go over single-cylinder (thumbturn inside) versus double-cylinder (key on both sides), grade of hardware, finish, and whether you want it keyed to match other locks on the property. We tell you honestly which suits your door and situation.

  4. 4

    Install and align

    We fit the bolt, set the strike plate, and make sure the bolt throws fully into the frame without binding. On older doors we may need to adjust or fill existing holes so the hardware sits cleanly.

  5. 5

    Test and hand over keys

    We cycle the lock repeatedly with the door open and closed, confirm smooth operation, and hand you the keys. We also point out any leftover weak points, like a loose hinge or short screws, so you can decide what else to address.

Need deadbolt installation in Azusa?

24/7 Mobile Locksmith across Greater Los Angeles & Ventura County. We answer 24/7.

Call (323) 997-8867

What affects the price

  • Whether this is a new installation requiring fresh holes in the door, or a replacement into existing bore holes
  • The grade and brand of deadbolt you select, from basic residential hardware to heavier-duty options
  • Single-cylinder versus double-cylinder, and whether multiple locks need to be keyed alike
  • Door material and condition, since older wood doors may need repair work and metal or fiberglass doors require different handling
  • Frame and strike reinforcement, such as longer screws or a heavier strike plate
  • Time of day and the number of locks being done in one visit

Why Azusa chooses us

  • Fully mobile service: we come to your door in Azusa, with no shop visit needed
  • Available 24/7, so a lock that fails or a break-in repair does not have to wait until morning
  • Family-run experience since 1987 under owner and lead tech David Shar
  • We assess the frame as well as the lock, because the bolt is only as strong as what it bolts into
  • Honest advice on single versus double-cylinder, including the safety tradeoffs of keyed-both-sides designs
  • Comfortable with older doors and hardware, including 1920s bungalow entries, as well as modern pre-hung doors

Deadbolt Installation across Azusa

Azusa's housing is layered, and that shapes how deadbolt work goes. Around downtown Azusa and Azusa Ave, plus stretches of Foothill Blvd (the old Route 66), you find 1900s to 1920s bungalows and brick commercial buildings, some still carrying original mortise locks. Doors there can be thick, old, and irregular, so a deadbolt may need careful fitting or a look at whether the mortise lock itself should be repaired or upgraded instead.

In Rosedale, the master-planned community in the foothills, homes are newer and often built with modern, smart-lock-ready doors. People there frequently ask for a deadbolt that matches existing hardware, or one that can work with a keypad or smart setup. The gated Mountain Cove community near the canyon mouth has its own mix of owners who want reliable hardware on every exterior door, even with a gate at the entrance.

Students and landlords near Azusa Pacific University and Citrus College also call us, especially around semester turnover when a rental needs a fresh deadbolt or rekey. Whatever the neighborhood in ZIP code 91702, from the I-210 corridor to the SR-39 canyon gateway, we come to you at any hour. Call (323) 997-8867.

Locked out or need a locksmith now?

24/7 Mobile Locksmith across Greater Los Angeles & Ventura County. We answer 24/7.

Call (323) 997-8867

Other Azusa locksmith services

See all of our Azusa services, or our citywide deadbolt installation page.

Deadbolt Installation in Azusa — FAQs

Can you install a deadbolt on a door that has never had one?
Yes. We bore the required holes, install the bolt, and set the strike in the frame. We check that the door is thick and solid enough first. Call (323) 997-8867 to describe your door.
Should I choose a single-cylinder or double-cylinder deadbolt?
Single-cylinder has a thumbturn inside and is easier to exit in an emergency. Double-cylinder needs a key on both sides, which can help near glass but can slow escape. We discuss which fits your door and local fire-safety concerns.
Can you put a deadbolt on an old bungalow door in downtown Azusa?
Often yes. Older doors may have existing mortise locks, unusual thickness, or worn frames. We inspect and recommend whether to add a deadbolt, repair the mortise lock, or upgrade.
Do you handle deadbolts for rental properties near APU?
Yes. Landlords and property managers can have deadbolts installed or replaced and keyed alike across units, often at semester turnover. Call (323) 997-8867 to plan it.
Can I get a deadbolt installed outside normal business hours?
Yes. We are available 24/7 and fully mobile, so we can come to you at night, on weekends, or on holidays.
Will a new deadbolt work with a smart lock in Rosedale?
Many newer homes there are compatible with smart or keypad deadbolts. We can discuss options and check your door preparation before installing.
How is the price of a deadbolt installation determined?
It depends on the hardware grade, whether the door needs new holes, door and frame condition, and how many locks are involved. We explain the factors before we begin.
Do you have a shop I can visit to pick one out?
No, we are mobile only. We bring options to your door in Azusa. Call (323) 997-8867 any time.
DS

Reviewed by David Shar — Owner & Lead Technician

Crenshaw Lock Company has served Greater Los Angeles & Ventura County since 1987.

Last updated 2026-10-12.

Call (323) 997-8867 · Open 24/7