Security Mistakes Small Businesses Make With Locks in Miami

Small businesses in Miami are disproportionately affected by break-ins. Most vulnerabilities are preventable. Here are the most common lock security mistakes.

2025-07-05 · 4 min read · Commercial

Small businesses in Miami — retail, restaurants, professional services, personal care — represent the majority of commercial burglary targets in Miami-Dade. Unlike larger businesses with dedicated security professionals, small business owners typically manage security themselves, often with limited time and context. These are the most common lock security mistakes.

Mistake 1: Relying on the Landlord's Hardware

Most commercial leases place responsibility for the interior space's security on the tenant, while the landlord controls the building's common areas. But many small business tenants move into a space and use whatever lock hardware was installed by the previous tenant — or the landlord — without assessing its quality or changing the keys.

The result: unknown key distribution (former tenants, previous employees, contractors) and often builder-grade hardware that wasn't appropriate for a commercial security context.

Mistake 2: Not Rekeying After Employee Termination

This is the most consistently violated security practice in small businesses. When an employee with key access is terminated — particularly on difficult terms — the standard practice should be immediate rekeying.

In reality, most small businesses delay rekeying due to cost, inconvenience, or the optimistic assumption that the former employee won't do anything. After-hours burglaries by former employees with retained keys are a documented and underreported crime category in Miami.

Mistake 3: Single Point of Security

Relying on one lock on the front door as the entire security system. A comprehensive approach includes: - Deadbolt + knob lock on entry doors - Alarm system monitoring - Camera coverage of all entry points - Adequate exterior lighting

The single-lock approach assumes the entry point will hold — which it often doesn't, especially on commercial doors with lightweight frames.

Mistake 4: Hollow Metal Doors Without Frame Reinforcement

Commercial doors are often hollow metal — which sounds secure but can be compromised more easily than solid steel. More importantly, the frame and strike plate are often the failure point. A kick test on a standard commercial door with a 3/4-inch strike plate screw can split the frame regardless of the door or deadbolt quality.

Upgrading the strike plate to a commercial-grade unit with 3-inch screws adds meaningful resistance at minimal cost.

Mistake 5: Poorly Positioned Key Storage

Small businesses often keep a spare key "somewhere" in the store — taped under a desk, in a drawer near the register, or in a clearly labeled envelope in the back office. A burglar who gains partial access or a dishonest employee knows to look for these locations.

Spare keys should be off-site or in a secure, locked location — not in the business being secured by those keys.

Mistake 6: Ignoring Secondary Entry Points

Back doors, receiving docks, bathroom windows, and storage room access points are often overlooked in favor of the front door. Many Miami commercial burglaries use rear entry, particularly in strip mall configurations where the back is not visible from the street.

Caraballo Locksmith provides commercial security assessments for small businesses in Miami-Dade, including lock grade evaluation, key control recommendations, and frame reinforcement upgrades.