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Crenshaw Lock

High Security Locks in Ventura · 24/7 mobile

High Security Locks in Ventura, California

Crenshaw Lock Company installs pick-, bump- and drill-resistant high security locks and restricted keys throughout Ventura, California. We are fully mobile and available 24/7, coming to your home, rental or business. Call (323) 997-8867 to talk through your door and your options.

  • Mobile to your Ventura location
  • Available 24/7
  • Price quoted before we start
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High-security lock cylinder with a dimple key
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A high security lock is not simply a more expensive deadbolt. It is a lock built to resist the specific ways doors actually get defeated: picking, bumping, drilling, and unauthorized key duplication. Many come with restricted keyways, so copies can only be cut with proof of authorization. In Ventura, where homes range from 1920s Craftsman bungalows to canal-front houses to newer East Ventura tract homes, the right upgrade depends on the door you actually have.

Crenshaw Lock Company has served Greater Los Angeles and Ventura County since 1987, and David Shar and our technicians do this work from a fully mobile setup. There is no storefront to visit. We come to you, look at the door, the frame, the strike and the surrounding hardware, and explain what will genuinely improve security and what will not. A strong cylinder in a weak frame is still a weak door, and we will tell you so.

Whether you are a homeowner who wants key control after a rental turnover, a Main Street business owner who has lost track of how many keys are out there, or someone who simply wants better protection for a coastal home, this page explains how the process works, what affects the price, and what is specific to Ventura.

How it works in Ventura

  1. 1

    Assess the door, frame and current hardware

    We start by looking at what is already there: the door material, thickness, the frame, the strike plate, the hinges and the existing lock. Security depends on the whole assembly, so we note weak points such as short strike screws, a thin jamb, or a lock bored too close to the edge.

  2. 2

    Choose the right level of protection

    We talk through how you use the property. A single-family home may only need a high-security deadbolt with a restricted keyway. A business or multi-key situation may call for key control, master keying, or a keyed-alike setup. We explain the tradeoffs in plain language so you can decide.

  3. 3

    Select compatible hardware

    High-security cylinders come in different formats, and not every one fits every door. On older doors we check backset, thickness and whether the lock can be installed without damaging original woodwork. Where a mortise lock is involved, we look at cylinder options that suit the existing body.

  4. 4

    Install and reinforce

    We install the new lock, then reinforce where it matters, typically with a longer strike plate screwed into the framing and attention to the area around the latch. Work is done carefully to keep the finish and fit of the door intact.

  5. 5

    Cut and test keys, then walk you through it

    We cut and test the keys, confirm the lock operates smoothly from both sides, and explain how restricted key duplication works so you know how to order extra keys later. If you are rekeying multiple locks to one key, we verify each one.

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What affects the price

  • The type and grade of high-security cylinder chosen, including whether the keyway is patent-protected or restricted.
  • How many locks are being installed and whether they are keyed alike or separately.
  • The condition of the door and frame, and whether reinforcement such as a strike plate or jamb work is needed.
  • Whether the door has older or historic hardware, such as a mortise lock, that calls for careful fitting or sourcing of compatible parts.
  • Finish requirements and corrosion resistance, which matter more near the water in places like Pierpont and Ventura Keys.
  • Whether the job is a planned appointment or an urgent after-hours call, and how many extra keys or key-control cards you want.

Why Ventura chooses us

  • Fully mobile service: we come to the door, so we assess the real installation instead of guessing from a description.
  • Serving Ventura County since 1987, with hands-on experience across older mortise hardware and modern cylinders.
  • We tell you when the frame, hinges or strike are the real weak point, rather than selling a lock that the door cannot support.
  • Owner-led operation under David Shar, so questions about your door get answered by someone who has actually worked on them.
  • 24/7 availability for urgent situations such as a break-in repair, a lost key set, or a rental turnover that cannot wait.
  • We explain key control honestly, including what restricted keys do and do not protect against.

High Security Locks across Ventura

Ventura's housing stock makes high security work more varied than in a typical suburb. In Downtown Ventura and Midtown (including addresses in 93001), Craftsman bungalows and Spanish Colonial Revival homes often still carry original mortise locks and period hardware, and many sit near the Mission San Buenaventura and the Main Street historic district. Upgrading those doors usually means working with what the door can accept instead of cutting new holes. Historic Main Street storefronts present a similar challenge, where the goal is better key control without disturbing the character of the building.

Along the water, Pierpont and Ventura Keys homes deal with salt air that wears down finishes and internal parts. A high-security lock is only useful if it keeps working, so we pay attention to corrosion-resistant finishes, and we check hinges and strikes that may have weakened over time. Docks and side gates on canal-front properties are worth including in a security review as well. Many of these homes fall within 93001 and 93003, depending on the street.

Up in Hobson Heights and the hillside areas, custom homes often have heavier entry doors and several exterior entries, which makes keyed-alike systems with restricted keys appealing. East Ventura tract homes, many in 93003 and 93004, tend to have standard doors where a good deadbolt and a reinforced strike make a noticeable difference. Whether you are near Telephone Rd, Victoria Ave, Harbor Blvd or just off the US-101, we come to you around the clock.

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Other Ventura locksmith services

See all of our Ventura services, or our citywide high security locks page.

High Security Locks in Ventura — FAQs

What makes a lock "high security" instead of a regular deadbolt?
High-security locks are designed to resist picking, bumping and drilling, and most use restricted keyways so keys cannot be casually copied. A regular deadbolt may only meet basic standards. Call (323) 997-8867 and we can talk through which level suits your door.
Can you install high-security locks on an older Craftsman or Spanish Revival door in Downtown Ventura?
Often yes. We look at the door's thickness, backset and any existing mortise hardware first, then choose a cylinder or lock that fits without unnecessary damage to original woodwork. If the home has preservation concerns, mention that when you call (323) 997-8867.
Do high-security locks hold up near the ocean?
Salt air is hard on any hardware, so finish and material matter on homes in Pierpont and Ventura Keys. We discuss corrosion-resistant options and check the hinges and strike plate too, since those often fail before the lock does.
Will a high-security lock stop a break-in by itself?
Not alone. Many forced entries involve kicking the door or splitting the frame. That is why we also check and reinforce the strike plate, screws and jamb as part of the job.
Can extra keys be copied at a hardware store?
Restricted keys generally cannot be duplicated at a typical hardware store. Extra keys are ordered through an authorized process, which is exactly the point. We can explain how this works for your specific lock.
Is this useful for a vacation rental near the Ventura Pier?
It can be. Restricted keys limit unauthorized copies, and some owners combine them with keypad or smart locks for guest access. If you are locked out or need codes reset, call (323) 997-8867 any time.
Do you have a shop I can come to?
No. Crenshaw Lock Company is fully mobile, so we come to your home or business in Ventura and assess the door in person.
Can you work on a business or Main Street storefront?
Yes. We handle commercial doors too, including key control and keyed-alike setups when several people need access. Call (323) 997-8867 to discuss your building.
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