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Crenshaw Lock

Deadbolt Installation in La Cañada Flintridge · 24/7 mobile

Deadbolt Installation in La Cañada Flintridge, CA

Crenshaw Lock Company provides mobile deadbolt installation in La Cañada Flintridge, California, available 24/7. We add or replace single- and double-cylinder deadbolts at your door, so you never have to visit a shop. Call (323) 997-8867 to talk through your door and schedule a visit.

  • Mobile to your La Cañada Flintridge location
  • Available 24/7
  • Price quoted before we start
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Deadbolt bolt extended into a reinforced strike plate
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A deadbolt is the one piece of hardware on your front door that does the real work of keeping it shut. In La Cañada Flintridge, where many homes sit back from the street behind long driveways and landscaping, an entry door can be out of sight of neighbors for long stretches. That makes the quality of the bolt, the strike plate, and the screws holding it all together matter more than most people realize.

Crenshaw Lock Company has served Greater Los Angeles and Ventura County since 1987, and owner and lead technician David Shar built the business around coming to the customer. We are fully mobile, with no storefront. We bring hardware and tools to your door, whether you are adding a first deadbolt to a side entry, replacing a worn one on a mid-century front door, or upgrading to a high-security cylinder.

This page explains how an installation works, what affects the cost, and what is specific to homes in La Cañada Flintridge. If you are unsure whether you need single or double cylinder, or whether your door can take a new bolt at all, call (323) 997-8867 and we will help you sort it out.

How it works in La Cañada Flintridge

  1. 1

    Look at the door and what you need

    We start by examining the door: its material, thickness, existing bore holes, and the condition of the frame. We also ask how you use the entry. A front door with a glass sidelight calls for different thinking than a solid wood door or a service door off the garage.

  2. 2

    Choose the right type of deadbolt

    We explain single-cylinder (thumb turn inside) versus double-cylinder (key on both sides) and the tradeoffs. A double cylinder can make sense near glass, but it needs to be weighed against fire safety and easy exit. We also cover standard grades, high-security cylinders, and smart-lock deadbolts if you want keypad or app access.

  3. 3

    Prepare the door

    If the door has no existing hole, we drill the cross bore and edge bore with proper templates so the bolt sits square. If we are replacing a deadbolt, we check that the existing holes fit and correct them if they do not. Clean, accurate boring is what lets a deadbolt throw smoothly for years.

  4. 4

    Install and reinforce

    We mount the bolt, set the latch, and install the strike plate. Where it helps, we use longer screws that reach the wall stud behind the jamb rather than only the thin door frame. That reinforcement is often what decides whether a door holds under force.

  5. 5

    Test, key, and hand over

    We cycle the bolt many times with the door open and closed, confirm it extends fully into the strike, and check alignment. If you want the new deadbolt keyed to match your other locks, we can arrange that. You leave with working keys and a clear idea of how to use and maintain the hardware.

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What affects the price

  • Whether you need a new deadbolt added where none exists, which involves drilling, or a replacement that uses existing holes.
  • The type of hardware: standard grade, high-security cylinder, or an electronic or smart deadbolt with keypad or app control.
  • Door material and condition, since solid wood, metal, and older or warped doors can each need different preparation.
  • How many doors are being done in one visit, such as a front door, side entry, and garage service door together.
  • Whether the strike plate and frame need reinforcement or repair to make the new bolt effective.
  • Whether you want the new locks keyed alike with others on the property, and the time of day you need service.

Why La Cañada Flintridge chooses us

  • Fully mobile service: David Shar and our technicians come to your door, and there is no shop to drive to.
  • Available 24/7, so a broken or compromised deadbolt can be addressed any time you need it.
  • In business since 1987, which means long experience with the older ranch and mid-century doors common around La Cañada Flintridge.
  • We focus on installation quality, including proper boring and stud-length screws, not just swapping hardware.
  • We will tell you honestly if a single-cylinder deadbolt is the better choice over a double cylinder, rather than steering you to the option that sounds most secure.
  • We can coordinate deadbolts with smart-lock systems and keying across house, gates, and garage so you carry fewer keys.

Deadbolt Installation across La Cañada Flintridge

La Cañada Flintridge is a hillside city split by the 210 Freeway, and its housing varies widely. In Flintridge and the slopes toward the Angeles forest, you find custom homes and gated estates where owners often want high-security deadbolts or smart-lock packages on the main entry, with matching keying for perimeter and pedestrian gates. Around Alta Canyada, long driveways and private lots mean the front door is frequently the primary line of defense, and a properly reinforced deadbolt matters.

Many homes in the Sagebrush area and closer to the Foothill Boulevard corridor are 1950s through 1970s ranch and mid-century houses. Original doors on these homes can be thin, have worn bore holes, or have loose frames, so a new deadbolt often involves checking and reinforcing the jamb. A common job here is an engineer or professional who has just bought a home, perhaps working at NASA's Jet Propulsion Laboratory, and wants a new deadbolt on the front door and consolidated keying for the house, side gate, and garage.

We serve ZIP codes 91011 and 91012, reaching homes near Verdugo Boulevard, Angeles Crest Highway, Memorial Park, and Descanso Gardens, and on either side of the 210. Because we are mobile, we come to your property wherever it is. Call (323) 997-8867 to schedule.

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Other La Cañada Flintridge locksmith services

See all of our La Cañada Flintridge services, or our citywide deadbolt installation page.

Deadbolt Installation in La Cañada Flintridge — FAQs

Do you install deadbolts at any hour in La Cañada Flintridge?
Yes. We are available 24/7 and fully mobile. Call (323) 997-8867 and we will discuss your door and schedule the installation.
Should I get a single- or double-cylinder deadbolt?
Single-cylinder has a thumb turn inside and is easiest to exit in an emergency. Double-cylinder needs a key on both sides and is sometimes considered near glass. We walk through the tradeoffs, including safety, before you decide.
Can you add a deadbolt to a door that does not have one?
Usually yes, if the door is thick enough and in good shape. We drill the needed holes and install the hardware. We check the door first and tell you if it is not a good candidate.
My home is a 1960s ranch. Will a new deadbolt fit the old door?
Typically, yes. Older doors may need bore adjustments or a reinforced strike plate and longer screws into the stud. We look at the door and frame before recommending anything.
Can you install a smart deadbolt?
Yes. We can install keypad and app-enabled deadbolts and explain how they work. Call (323) 997-8867 to talk about which options suit your door and how you want to use it.
Can you key my new deadbolt to match my other locks?
Often we can, including house, side gate, and garage so you use one key. It depends on the brands and hardware involved, so we check what you currently have.
Do you also handle gate locks at gated properties?
We can discuss rekeying or replacing locks on perimeter and pedestrian gates alongside the deadbolt work. Gate hardware varies, so describe what you have when you call (323) 997-8867.
Do I need to come to a shop?
No. Crenshaw Lock Company is mobile only, with no storefront. We bring the hardware and tools to your door.
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