There is a wide range of home security companies in Phoenix, AZ, each offering its unique features, advantages, and of course, pricing. No matter what your home may require, you can be confident that there’s a system perfect for you. Installation cost, equipment and monthly monitoring charges are the three main variables in determining the cost of your home security system. If you have the system installed by a professional, it might cost you up to $200; many security systems can be installed without professional help. A basic security system usually costs around $230. However, if you sign up for monthly monitoring services, some home security providers will give you a system. When it comes to monitoring services, depending on the features you want, you can plan to pay anywhere from $15 per month to just over $200.