Home and business security systems. Securing Tuolumne County and surrounding areas.

About Us

Here at Granite Peak Alarm, we are focused on providing local service with experience you can trust. Our team of trained professionals are ready to assist you with your security needs. As a family owned and operated business, we understand the importance of long term relationships with our customers. Our base of operations is in Sonora, California, in Tuolumne County where we call home.

Get Your FREE Security Assessment & Quote

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OR CALL (209) 651-0051

Home Security Tour

Our home security video highlights a few of the many features available to our customers wanting smart home features. Security systems that are wireless, or hardwired, can be your launchpad for smart lights, locks, thermostats, garage door openers, cameras, and more…

Tax Savings Opportunities for Building Owners

Building owners can now immediately write-off most or all of the cost of retrofitted interior building systems and also claim accelerated deductions.

Security Solutions for Your House

We offer Rock Solid Security Solutions that fit your specific needs.  Our easy to use applications let you monitor your home 24/7, and provide peace of mind.  Call (209) 651-0051 for more information and a free security evaluation.

Burglar Alarm Systems

Installing a burglar alarm system comes with many benefits – including protecting your most valuable assets and keeping your home safe from theft, vandalism, and intrusion. Granite Peak Alarm can design alarm systems that are customized for your house, and give you full control of your system remotely.

Remember, the most common thing stolen is your peace of mind!  Our alarm systems can give you back the security you need.

Burglar Alarm panel by Qolsys with Granite Peak Alarm

Security Camera Systems

Security camera systems offer many benefits when installed professionally and designed purposefully.  Capture the bad guys in the act, protect yourself against liability, deter intrusion, or provide proof of theft with cameras installed by Granite Peak Alarm.  You can also verify an alarm signal, or just check on your home or business while you’re away with the click of a button.

Home Automation Systems

Affordable solutions for controlling your alarm system, door locks, thermostat, lighting, and even open your garage door from your smart phone.  Home automation can be installed in almost any house, from a very simple setup to a very complex design.

Intercom Systems

Granite Peak Alarm offers voice and video intercom systems providing enhanced protection at-the-door. Installing home intercom systems allow homeowners to screen visitors, verify package delivery, and help protect the neighborhood.

A commercial intercom system will save you hours of constantly answering the door. Intercoms prevent you from missing a knock at the door, increasing productivity for your growing business.

Customized Security For Your Business

We design commercial security systems around your specific business needs, giving you the best security now, and room to grow later.  Call (209) 651-0051 for more information and a free security evaluation.

Alarm Systems

Protect your assets and manage users. Let us customize a solution to meet your specific security needs of your business.

Business security camera system from Granite Peak Alarm


We offer full service professional installation for video surveillance cameras and security systems.

Business with intercom security system from Granite Peak Alarm


Allow owners, managers, and employees to screen visitors, and provide two-way communication at your business.

Access Control alarm systems from Granite Peak Alarm

Access Control

Use a badge, key fob, or phone to unlock a commercial door.  Run reports, schedule access, and manage employees.

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We value quality customer experience and satisfaction. That’s why we appreciate when our clients give us reviews.  Call (209) 651-0051 for more information and a free security evaluation.

They were very cooperative. He assessed the needs to begin with and his pricing was up front. He did a great job at clean up. Customer service was exceptional. I have already recommended him to a friend or colleague.

Susan C.

Sean and his team did a great job , clean , quick , training , service all top notch couldn’t ask for a better company , they are fantastic.


They installed a new alarm system for me, and I would recommend them and actually already have! Definitely happy with everything. Sean trained me with utilizing my new system, and installation was very clean. Overall 5 star experience.

David M.


Get Your FREE Quote

Use our form, or call now at (209) 651-0051 to discuss your project. Whether you need security for your house or commercial business, we will provide a FREE security analysis tailored for you. Then we work to meet all your security needs and budget.

  • We hate spam as much as you. We never sell or share your information.
  • This field is for validation purposes and should be left unchanged.


BNI Sonora Gold Member - Granite Peak Alarm