Home Security · 2026-10-19
High-Security Locks Explained: A Panorama City Homeowner's Checklist

What "High-Security" Actually Means
Most locks sold at big-box stores are built to a price. A high-security lock is built to resist specific attacks: picking, bumping, drilling, prying, and unauthorized key copying. Whether you live near the Panorama Mall district, along the Van Nuys Boulevard corridor, or in a quiet residential block, the same basics apply.
This checklist walks you through what to look for, what to ask, and when an upgrade is worth it. For a deeper look at what we offer, see our high-security locks service page or the Panorama City high-security locks page.
Checklist 1: The Features That Matter
A genuinely high-security cylinder usually combines several protections, not just one. Look for:
- Pick resistance: special pin shapes or extra security pins that make manipulation far harder.
- Bump resistance: designs that blunt the common "bump key" trick.
- Drill protection: hardened steel inserts that protect the cylinder's weak points.
- Key control: patented or restricted keyways, so copies can only be made with your authorization.
- Solid construction: a sturdy bolt, a strong strike plate, and a reinforced housing, not thin stamped metal.
- Independent testing: ratings from recognized standards bodies, such as ANSI/BHMA grades. Ask to see the rating rather than taking a sales claim on faith.
Checklist 2: A Lock Is Only as Strong as the Door
The best cylinder in the world will not help if the door gives way. Check these before spending money on hardware:
- Door material: solid-core wood, steel, or fiberglass beats a hollow-core door.
- Deadbolt throw: a bolt that extends a full inch into the frame is a good target.
- Strike plate screws: replace short screws with 3-inch screws that reach the wall stud.
- Door frame condition: cracked or rotted wood around the latch is a weak link.
- Hinges: on outswing doors, make sure the hinge pins cannot simply be removed.
- Glass nearby: a sidelight within arm's reach of a deadbolt can undermine the whole setup.
Checklist 3: Signs It's Time to Upgrade
Consider stepping up to high-security hardware if any of these sound familiar:
- You have lost keys and are not sure who might have found them.
- Former roommates, tenants, contractors, or employees once held copies.
- Your key is a common type that any hardware store can duplicate in minutes.
- Your lock sticks, spins, or feels loose in the door.
- You have had a break-in or an attempted one on your street.
- You store valuables, files, medications, or equipment that deserve more protection.
- You recently moved in and do not know who else holds a key.
Checklist 4: Homes, Apartments, and Businesses Differ
For homes and apartments
- Prioritize the front, back, and any garage-entry doors.
- Check your lease before changing hardware; renters should ask the landlord first.
- Choose a restricted keyway so nobody can quietly copy your key.
For businesses and commercial spaces
Shops near the Panorama Mall district and along Van Nuys Boulevard, as well as warehouses and offices in and around The Plant area, often have more people with keys and more to lose. Consider:
- Master key systems that give staff only the access they need.
- Restricted keys so employees cannot copy them at a kiosk.
- A plan for re-keying when someone leaves the team.
- Hardware rated for heavy daily use on storefront and back-of-house doors.
Our commercial locksmith services and the local Panorama City commercial locksmith page cover these setups in more detail.
Checklist 5: Questions to Ask Before You Buy
- What security rating does this lock have, and who tested it?
- Is the keyway restricted, and how are duplicate keys authorized?
- Can the existing door and frame support this hardware?
- Would re-keying my current locks be enough, or do I need new cylinders?
- What warranty comes with the lock and the installation?
- Who will install it, and are they experienced with this brand?
A trustworthy locksmith will answer these plainly, and will tell you when a simpler fix is enough.
Checklist 6: Habits That Keep the Lock Working
- Keep a record of who has keys, and collect them when people move out or leave.
- Never hide a spare key under the mat or in a planter.
- Lubricate with a graphite or dry lubricant, not oil that attracts grit.
- Replace worn keys instead of forcing them.
- Test your deadbolt monthly to catch misalignment early.
Honest Advice
High-security locks are not magic, and not every door needs one. For many households, a quality deadbolt, a reinforced strike plate, and a key you control will make a big difference. For businesses or anyone with a specific concern, a certified high-security cylinder is a smart investment.
Ready to Talk It Through?
Crenshaw Lock Company has served Greater Los Angeles and Ventura County since 1987, and our service is fully mobile, so we come to you in Panorama City. Call (323) 997-8867 or contact us online and we will help you figure out the right level of protection for your door.