Every contractor knows they need job site security cameras. What most don't know is which type, how many, and where to put them. It's not a one-size-fits-all situation — a 50-story downtown Phoenix tower has very different security needs than a rural highway widening project in Buckeye.
After 25+ years of installing and deploying job site cameras across Arizona, we've seen what works and what doesn't. This guide covers everything you need to make the right call for your project.
Types of Job Site Security Cameras
There are four main categories of job site security cameras, and understanding the differences is the first step to making the right choice.
1. Mobile Surveillance Trailers
Self-contained camera towers on wheeled platforms. Solar powered, 4G connected, and ready to deploy in hours. Best for temporary projects where you need flexibility.
- Best for: Most construction projects, especially temporary or phased work
- Pros: No power needed, relocatable, rental options available
- Cons: Monthly rental cost, need clear line of sight
- Cost: $500-$800/month per unit rental
2. Solar-Powered Fixed Cameras
Individual cameras with built-in solar panels mounted on poles or structures. Good for sites that won't change layout much during the project.
- Best for: Perimeter monitoring, gate entrances, fixed material yards
- Pros: Lower per-unit cost, handles Arizona heat well, discreet
- Cons: Less coverage area per camera, harder to relocate
- Cost: $300-$500/month per camera rental
3. Hardwired IP Camera Systems
Traditional cameras connected via ethernet cable to an on-site NVR. The gold standard for image quality and reliability, but requires power and network infrastructure.
- Best for: Long-term projects (12+ months) with on-site power
- Pros: Best image quality, most reliable, no bandwidth limitations
- Cons: Requires power and internet, installation takes longer, not easily moved
- Cost: $3,000-$8,000 installed (owned)
4. PTZ (Pan-Tilt-Zoom) Cameras
Motorized cameras that can pan 360°, tilt, and zoom in on details. Often mounted on mobile trailers or tall poles for maximum coverage.
- Best for: Large sites where one camera needs to cover a wide area
- Pros: One camera covers the area of 3-4 fixed cameras
- Cons: Higher cost per unit, mechanical parts can wear
- Cost: $800-$1,200/month rental per unit
How Many Job Site Security Cameras Do You Need?
Here's a rough guide based on site size:
- Small site (under 1 acre): 2-4 cameras covering entry points and material storage
- Medium site (1-5 acres): 4-8 cameras with a mix of perimeter and interior coverage
- Large site (5+ acres): 8-16+ cameras, typically mobile trailers with PTZ for broad coverage
- Linear projects (roads, pipelines): 1 mobile trailer every 1/4 to 1/2 mile
The most common mistake we see is under-covering the material staging area. That's where 70% of construction theft happens — not at the building itself, but where the copper, lumber, and tools are stored overnight.
Where to Place Job Site Security Cameras
Camera placement matters more than camera count. Here are the critical zones (for a deeper dive, check out our complete camera placement guide):
- Main entrance/exit gates — capture every vehicle and person entering or leaving
- Material storage areas — where theft actually happens
- Equipment parking — heavy equipment is a high-value target
- Perimeter weak points — gaps in fencing, adjacent vacant lots, dark corners
- Office/trailer area — tools, plans, and personal property
Solar vs. Wired: Which Is Right for Your Arizona Job Site?
In Arizona, this question almost always leans toward solar. Here's why:
- 300+ sunny days per year means solar panels perform at peak capacity most of the time
- Many job sites lack power infrastructure in early phases
- Trenching cable across an active construction site creates safety hazards and gets damaged
- Solar cameras can be deployed the same day you call — no waiting for electricians
The only scenario where we'd recommend hardwired over solar is a 12+ month project with existing power infrastructure and a layout that won't change. Even then, we often deploy a few solar units for hard-to-reach areas.
What About Live Monitoring vs. Recorded-Only?
Most job site cameras record 24/7 with motion-triggered alerts sent to your phone. But some contractors want a step further: live video monitoring where a human operator watches the feeds and responds in real time.
Live monitoring makes sense for:
- High-value sites with expensive materials or equipment
- Sites with a history of theft or trespassing
- Projects in high-crime areas
- Sites with regulatory requirements (government or military-adjacent projects)
STG offers both options — self-monitored with mobile app alerts, or fully managed live monitoring with real-time response.
How Much Do Job Site Security Cameras Cost in Arizona?
Here's a straightforward breakdown:
- Mobile surveillance trailer rental: $500-$800/month per unit (includes everything)
- Solar camera rental: $300-$500/month per camera
- Hardwired system purchase + install: $3,000-$15,000 depending on camera count
- Live monitoring add-on: $100-$300/month per site
For most projects, renting beats buying. You get better equipment, zero maintenance headaches, and you're not stuck with depreciating assets between projects.
Common Mistakes with Job Site Security Cameras
After 25 years, we've seen every mistake in the book. Here are the ones that cost contractors the most:
- Waiting until after a theft to install cameras — the deterrent value alone justifies day-one deployment
- Relying on dummy cameras — experienced thieves spot them immediately
- Poor camera height — cameras below 15 feet get vandalized or stolen themselves
- No cellular backup — Wi-Fi cameras go dark when someone cuts the cable or generator dies
- Forgetting the material staging area — 70% of theft happens here, not at the building
Ready to Secure Your Job Site?
If you're starting a new construction project in Arizona — or if you've got an active site that's not properly covered — contact STG for a free consultation. We'll assess your site, recommend the right camera setup, and have your job site security cameras deployed within 24 hours.
Call (480) 343-1325 or use our Rent Now tool to configure your system and get a quote in minutes.
Need Help With Your Project?
Our team has been protecting Arizona properties since 2000. Whether you need a temporary rental or a permanent install, we\'re here to help.

