Walk into any electronics store and you'll find aisles of cameras. Search online and you'll drown in specs. But choosing a security camera system for a Manhattan office, a Brooklyn retail store, or a Queens apartment building isn't the same as picking up a home camera from a big-box retailer. NYC has older buildings, stricter co-op boards, dense environments, and real security stakes. This guide cuts through the noise and helps you make a decision that will actually work for your property.
The Four Main System Types
Before anything else, you need to understand what you're choosing between. There are four main types of camera systems, and they differ in how they capture video, how that video travels to a recorder, and what it costs to install and maintain.
Analog / CCTV
Analog cameras transmit video over coaxial cable to a DVR (digital video recorder). This is the traditional technology — reliable, widely understood, and often the cheapest entry point. Modern HD-over-coax formats (HD-TVI, HD-CVI, AHD) have brought analog resolution up to 4K, which blurs the line considerably. If your building already has coaxial runs from an old system, reusing that cabling can keep installation costs down.
IP / Network Cameras
IP cameras are networked devices — each one has its own IP address, and video travels over Ethernet (Cat5e/Cat6) to an NVR (network video recorder). IP systems offer better resolution, smarter features (on-camera analytics, two-way audio, license plate recognition), and more flexibility. They also cost more per camera and require a more capable network infrastructure.
PoE (Power over Ethernet)
PoE is not a separate system type — it's a feature of most modern IP systems. A PoE switch or NVR sends both data and electrical power through a single Cat6 cable, eliminating the need for a separate power run to each camera. In NYC buildings where running additional conduit is expensive or structurally difficult, PoE is often a significant cost saver. Most commercial installs today default to PoE IP systems for this reason.
Wireless / WiFi
Wireless cameras connect over WiFi and are popular in residential settings. For commercial use, they're generally a poor choice — WiFi is susceptible to interference, bandwidth-limited, and less reliable than a wired run. The exception is truly difficult retrofit situations where running cable is structurally impossible. Even then, point-to-point wireless bridges (not standard WiFi cameras) are a better option for any serious installation.
What Makes NYC Different
Installing cameras in a New York City building comes with constraints you won't find in a suburban office park.
Older building infrastructure. Pre-war buildings — common across Manhattan, the Bronx, and parts of Brooklyn — often have plaster walls, limited conduit paths, and no cable trays. Running new wiring requires careful planning and sometimes creative routing. A good installer knows how to work within these constraints without damaging historic finishes.
Co-op and condo board approval. If you own a unit in a co-op or condo building, you almost certainly need board approval before installing any cameras in common areas or on building exteriors. Most boards require that cameras cover only common spaces (not neighboring units or public sidewalks in certain ways) and that footage is managed by building management, not individual unit owners.
Exterior mounting restrictions. Landmark buildings and historic districts have restrictions on visible exterior modifications. Even standard buildings require proper weatherproofing and secure mounting — NYC wind loads and temperature swings are no joke.
Pro tip: If you're in a landmarked building or historic district, talk to your installer before buying anything. Some camera housing styles and mounting methods require Landmarks Preservation Commission review. It's a paperwork problem, not an insurmountable one — but you need to know upfront.
Assessing Your Coverage Needs
Before you count cameras, map your risk areas. Start with entry and exit points — front door, service entrance, rear exit, loading dock, elevator lobbies, and stairwell doors. These are non-negotiable. Any access point that isn't covered is a gap.
Next, identify your high-value or high-risk interior zones: the point-of-sale area in retail, the server room in an office, the mail room in a residential building, the parking garage in a mixed-use property. These areas benefit from dedicated coverage even if the rest of the floor plan doesn't.
Finally, think about outdoor perimeter coverage. For ground-floor retail in Manhattan or the Bronx, a wide-angle exterior camera covering the storefront is standard. For a building with a parking lot in Queens or Staten Island, perimeter cameras covering vehicle approach paths can be as important as interior coverage.
Indoor vs. Outdoor Cameras
This distinction matters more than most people realize. Outdoor cameras need weather ratings (IP66 minimum), vandal-resistant housings (IK10), and longer IR range for nighttime coverage. Using an indoor camera outdoors — even under a covered overhang — will result in premature failure. NYC's summer humidity, winter temperature drops, and salt air near the waterfront accelerate damage to unrated equipment significantly.
For a full security camera installation that covers both interior and exterior zones, your installer will typically specify different camera models for different environments. That's normal and correct — not upselling.
Budget Ranges
Real-world installed costs (hardware + labor + NVR/DVR) for NYC commercial properties typically fall in these ranges:
- Small retail or office (4–8 cameras): $900 – $2,500
- Mid-size commercial (8–16 cameras): $2,500 – $6,000
- Large commercial or multi-unit residential (16–32+ cameras): $6,000 – $12,000+
These figures assume a standard PoE IP system with a local NVR. Analog retrofits using existing coax can come in lower. Higher-resolution cameras (4K), advanced analytics, or complex cabling runs push costs higher. Cloud storage subscriptions are an ongoing additional cost not reflected above.
Get a site survey first. No reputable installer should quote a final price without walking the property. A proper site survey identifies cabling paths, conduit needs, camera placement, and potential obstructions — all of which affect the final number. Be skeptical of any quote given without a walkthrough.
A Simple Recommendation Framework
If you're overwhelmed by options, here's how to think about it: start with a wired PoE IP system unless you have a compelling reason not to. It's the current standard for a reason — reliable, scalable, high-resolution, and future-proof. Use 4MP cameras as the default resolution (the sweet spot of image quality vs. storage cost). Add outdoor-rated cameras for any exterior or semi-exposed location. Size your NVR for at least 30 days of continuous recording at your chosen resolution.
If your building already has coaxial cabling in good condition, an HD-over-coax analog system is a legitimate option that can save significant installation cost — especially in a pre-war building where fishing new Cat6 is expensive.
Next Steps
The best camera system is the one designed for your specific building, not the one that sells the most units online. Coverage gaps, poor camera placement, and undersized recorders are the most common problems we see when clients come to us after a DIY install or a low-bid contractor job.
If you're ready to figure out what your property actually needs, contact Seneca Security for a free site survey. We'll walk the building with you, map the coverage, and give you a straight answer on what it takes — no pressure, no inflated specs.