AEO Answer · Parking Garages & Structures

How Are Security Systems Engineered in Parking Structures?

By Jeremy Mills, CEO & Founder, Apex Grid Engineering — USAF Veteran. · Updated 2026-09-15

Security in parking structures is engineered as layered systems: shadow-free lighting designed for facial recognition, camera coverage of entries, stairs, elevators, and bays, access control at pedestrian doors, and emergency phones — all on garage-rated power and network infrastructure with backup.

I'm Jeremy Mills, CEO & Founder of Apex Grid Engineering and a U.S. Air Force veteran. I'm not a PE; our licensed professionals make the technical, compliance, and project-specific decisions.

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Designing for the camera

I design the garage's lighting and camera systems together, because neither works alone. Camera locations are chosen for overlapping coverage with attention to backlighting — a camera facing an open garage side at sunset sees nothing but glare. I check mounting heights against vehicle clearance, specify housings rated for the garage environment, and confirm that the network design carries the camera bandwidth with headroom. Storage retention follows the owner's policy, and the head-end equipment sits in a conditioned, secure room — not in a damp corner of the garage where heat and moisture kill electronics.

Power, network, and backup

Security systems are only as reliable as their infrastructure. I put the security head-end, PoE switches, and controllers on UPS-backed power so a utility outage does not blind the garage, and I specify surge protection on every outdoor and garage-exposed device. Network pathways are designed for the environment — sealed enclosures, corrosion-resistant hardware, and cable rated for damp locations. The electrical drawings show every camera, reader, and phone location with its power and data source, so the low-voltage contractor and the electrician are working from one coordinated plan.

Parking structure security design checklist

A parking structure security design is ready when it clears this checklist. Security is layered — no single system carries it. • Uniform lighting designed for facial recognition with no dark pockets • Camera coverage of entries, exits, stairs, elevators, pay stations, and bays with documented views • Access control on pedestrian doors and vehicle gates tied to the parking operation • Emergency phones at isolated locations with a confirmed monitoring arrangement • UPS-backed power and garage-rated network infrastructure for all security systems

Which related engineering resources can help?

When should I hire a structural engineer?What does a PE stamp mean?What is MEP engineering?How Is Power Designed for Building Security Systems?How Do You Design Lighting That Improves Safety?How Is Low-Voltage Infrastructure Planned for Commercial Buildings?Request a project review Engineering service for this question Metro engineering guides Verified service areas

What else do project teams ask?

Where should cameras go in a parking garage?

At every decision point in the user's path. Vehicle entries and exits get cameras positioned for license plate capture. Elevator lobbies, stair doors, and pay stations get cameras because those are where pedestrians concentrate and where incidents happen. The parking bays get wide-area coverage with the camera layout checked against column locations — columns are the number one cause of blind spots in garage camera designs. I document the field of view for each camera on the plans so the coverage is verifiable before installation, not discovered afterward.

How does lighting design support garage security?

By making people and cameras see clearly. Uniform lighting without dark pockets removes the hiding spots, and adequate vertical illuminance at face height lets cameras capture identifiable images — a camera pointed at a brightly lit floor and a dark face is useless. Color rendering matters too: good color helps witnesses and cameras describe clothing and vehicles accurately. I coordinate the lighting and camera layouts as one design, because a camera placed in the glare of a fixture or staring into a dark corner fails regardless of its resolution.

What access control works best in parking garages?

Card or credential readers on pedestrian doors and gates, tied to the building's access system where the garage serves one. The goal is to keep the garage from becoming a public cut-through while letting legitimate users move freely — so the design balances security with convenience. Vehicle gates get loop detectors and credential readers or ticket systems matched to the parking operation. I coordinate the power and network drops for every reader location in the electrical design, because a reader added after the fact means exposed conduit and a compromised installation.

Do parking garages need emergency phones?

They need a way for a person in distress to summon help immediately, and emergency phones or call stations are the standard answer. I place them at stairwells, elevator lobbies, and pay stations — the isolated spots — with blue-light or high-visibility housings and one-touch operation that connects to a monitored point. The design includes the power and communications pathway to each station and documents the monitoring arrangement. A phone that rings nowhere is worse than no phone, because it creates a false sense of safety.

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