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Crenshaw Lock

Deadbolt Installation in La Verne · 24/7 mobile

Deadbolt Installation in La Verne, California

Crenshaw Lock Company provides mobile deadbolt installation in La Verne, California, 24 hours a day, 7 days a week. We add or replace single- and double-cylinder deadbolts right at your door, from Old Town to the foothills. Call (323) 997-8867 to talk through your door.

  • Mobile to your La Verne 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 an exterior door harder to defeat, but only when it is the right bolt, fitted properly into a sound door and frame. In La Verne the doors vary a lot. You have century-old Craftsman homes near D Street and Bonita Ave, student rentals around the University of La Verne, and newer foothill homes climbing toward Marshall Canyon. Each one calls for a slightly different approach.

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 to visit. We bring the hardware and tools to your La Verne door, look at how it is built, and install the deadbolt on site.

Whether you are adding a first deadbolt to a door that only has a knob lock, replacing a worn or sticky one, or choosing between single- and double-cylinder, we explain the options plainly so you can decide what suits your home and your household.

How it works in La Verne

  1. 1

    Call and describe the door

    Phone (323) 997-8867 any hour. Tell us the door type (wood, metal, or fiberglass), whether it already has a deadbolt, and what you want to accomplish. We are available 24/7 and fully mobile, so we come to your La Verne address.

  2. 2

    Inspect the door, edge, and frame

    On site we check the door thickness, the condition of the edge, the existing bore holes, and the strike area of the frame. A deadbolt is only as strong as the wood or metal around it, so we look for splitting, loose hinges, and a weak jamb before installing anything.

  3. 3

    Choose single or double cylinder

    A single-cylinder deadbolt turns with a key outside and a thumbturn inside, which is easiest to use in an emergency. A double-cylinder needs a key on both sides and is sometimes considered for doors with nearby glass. We talk through the tradeoffs, including fire-exit concerns, and you decide.

  4. 4

    Install and align the hardware

    We prepare the door, fit the bolt and cylinder, and set the strike plate into the frame so the bolt throws fully and moves smoothly. On older Craftsman doors we work carefully to avoid damaging original wood and trim.

  5. 5

    Test, key, and walk through

    We operate the lock several times with the door open and closed, confirm the bolt seats properly, and hand over your keys. If you want the new deadbolt keyed to match your existing locks, we can discuss that during the visit.

Need deadbolt installation in La Verne?

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

Call (323) 997-8867

What affects the price

  • Whether you are adding a new deadbolt or replacing an existing one, since new installs may need holes drilled while replacements often reuse them
  • The grade and style of the deadbolt you choose, from standard residential hardware to higher-security options
  • Door material and condition, such as older solid wood, hollow metal, or fiberglass, and whether the door needs prep or repair
  • Whether the strike plate and frame need reinforcement to make the bolt effective
  • The number of doors and whether you want them keyed alike
  • Time of day and urgency, since we are available around the clock and after-hours calls differ from scheduled visits

Why La Verne chooses us

  • Fully mobile service: we work at your door in La Verne, with no shop to drive to
  • In business since 1987, with owner David Shar leading the work
  • Open 24/7, so a broken or missing deadbolt after a late-night incident can be addressed any time
  • We pay attention to period doors, including early-1900s Craftsman homes where original wood and hardware deserve care
  • We give honest guidance on single versus double cylinder rather than pushing the most expensive option
  • We look at the frame and strike, not just the lock, because that is where many deadbolts fail

Deadbolt Installation across La Verne

La Verne's housing mix shapes most deadbolt jobs here. In Old Town La Verne, around D Street and Bonita Ave, many early-1900s Craftsman and period homes still have original mortise locks or skeleton-key doors. Owners often want a modern deadbolt added without ruining the look of a door that has lasted a century, and that takes careful drilling and good fitting.

Near the University of La Verne, student rentals change hands often, and a fresh deadbolt or rekey at the start of a term is a sensible way to know who holds keys. Up in North La Verne and the Marshall Canyon foothills, newer developments tend to have solid modern doors where a quality deadbolt and a reinforced strike make a real difference. These homes sit a little farther from the main roads, so a mobile visit saves you a trip.

We serve ZIP code 91750 and the areas around Foothill Blvd, Arrow Hwy, Wheeler Ave, and Fruit St, with quick access from SR-210 and SR-57. Near Brackett Field, we can also discuss padlock and roll-door lock needs for hangars. For any La Verne door, 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 La Verne locksmith services

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

Deadbolt Installation in La Verne — FAQs

Can you install a deadbolt on a door that only has a knob lock?
Yes. We inspect the door thickness and edge, then prepare it and fit the deadbolt. Call (323) 997-8867 to describe your door and we can tell you what to expect.
Should I pick a single- or double-cylinder deadbolt?
Single-cylinder is easier to use from inside, which matters in an emergency. Double-cylinder requires a key on both sides and is sometimes considered when glass is near the lock. We explain both during the visit.
Can you add a deadbolt to my Old Town La Verne Craftsman door?
Yes. Older doors need careful work, so we assess the wood, any existing mortise hardware, and the frame before deciding how to install the deadbolt while preserving as much of the original character as possible.
Do you offer deadbolt installation at night or on weekends?
Yes. We are available 24/7 and fully mobile. Call (323) 997-8867 at any hour and we will talk through your situation.
I rent near the University of La Verne. Can I have a deadbolt installed?
Rental rules vary, so check with your landlord first. Landlords and property managers also call us to add deadbolts or rekey between tenants.
Will a new deadbolt help if my door frame is weak?
Not fully. A strong bolt in a split or loose frame can still fail, so we check the jamb and strike plate and discuss reinforcement when needed.
Can you key several new deadbolts alike?
Usually yes. Tell us how many doors you have and we can discuss keying them to one key.
Do I need to come to a shop?
No. Crenshaw Lock Company is mobile only, with no storefront. We come to your La Verne home.
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