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Top-Rated Home security system pros in Greenbrae - Updated Nov 2026

Avatar for ADT
ADT
4.5(
890
)
Surveillance Cameras - Install or RepairAlarm or Security System - InstallAlarm or Security System - Repair+5 more

Serving Greenbrae, CA and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 1874

Free estimates

Emergency services offered

"I used to work in the security industry. Once I got married and had kids I definitely wanted a home security system. Bought ADT about a month ago and it’s worked out excellent. No glitches or issues and everyone was awesome in the buying and activation process."
Home Security Essentials
Smart Home Security
Cameras
Our Team
Home Security Essentials

+35

35 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for Digital Living
Digital Living
4.5(
353
)
Surveillance Cameras - Install or RepairBuilding Automation System - Install or Service - For BusinessSurveillance Cameras - Install or Repair - For Business

Serving Greenbrae, CA and surrounding areas

Approved

In business since 1994

Free estimates

Small jobs welcome

"Arrived on time and installed my 85 inch and 55 inch TVâ s. Had extra HDMI cables and mounts handy (good thing too, my cables were too short). Great service for the price and time it took to put up two TVâ s and conceal the wiring. Even provided a free assessment for my built in future home theater system."
Digital Living Clean, Professional Home Theater
 Marin Custom Home Theater, digital living theater
 CAT6 Network Cabling, Data Network Cabling
 custom home theater
 full motion TV mount, articulating TV mount

+97

Response time2 days
27 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Lightning Electric
Lightning Electric
4.5(
17
)
Building Automation System - Install or Service - For BusinessSmart Home System - Install or Service

Serving Greenbrae, CA and surrounding areas

Approved

In business since 2012

Free estimates

Small jobs welcome

Lightning Electric is a San Francisco Bay Area electrical contractor specializing in commercial and residential electrical work. Starting in 2007, Lightning Electric has developed a reputation for speedy professional electrical work at fair rates with friendly and honest customer service. A premier Bay Area electrical, lighting, and communication installation business.

Response time2 days
4 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Protect Your Home
Protect Your Home
2.6(
6
)
Alarm or Security System - InstallAlarm or Security System - Monitor

Serving Greenbrae, CA and surrounding areas

Approved (Corporate)

In business since 1998

Free estimates

Credit card accepted

Protect Your Home is a leader in the home security industry, providing safety and peace of mind to more than 1.5 million families nationwide. Since we emerged in 1998, we've grown from a company of few to having over 2,000 high performance team members, three locations in Indianapolis, a sales center in Kentucky, and over 128 field branches across the country—and we're still growing. \n \nFor nearly 20 years, Protect Your Home has partnered with ADT®, the #1 name in home security. Today, with our national reach, we are one of ADT's biggest partners and the only partner to be designated as an Authorized Premier Provider. \n \nOur commitment to serving others combined with our projects, events, and culture contribute to the development of our team professionally, personally, and financially. \n \nIt's our mission. It's who we are. It's our legacy. \n

SA and Homeowner
Recommended by100%of homeowners
Avatar for Northbay Technology Company
Northbay Technology Company
5.0(
2
)
Surveillance Cameras - Install or RepairSmart Home System - Install or ServiceSurveillance Cameras - Install or Repair - For Business+1 more

Serving Greenbrae, CA and surrounding areas

Approved

In business since 2016

Free estimates

Credit card accepted

Northbay Technology Company is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.

37 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Security One
Security One
4.1(
456
)
Alarm or Security System - InstallAlarm or Security System - Install - For BusinessAlarm or Security System - Monitor+7 more

Serving Greenbrae, CA and surrounding areas

In business since 2007

Credit card accepted

"It went great!  From Travis the sales person to Noah the installer I couldn't have asked for a more professional and through team to deliver my home security needs.  We just bought a new house in a neighborhood that's up and coming but there's still an element that we want to protect our home and valuable from.  Security One helped us find a system that we could monitor while we're away and that would make my girlfriend feel safe when I'm not a home.  We highly recommend them especially Travis and Noah.  Ask for them by name!
"
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+16

Recommended by84%of homeowners
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Home Security Systems FAQs, answered by experts

Some but not all security cameras have monthly fees, depending on the specific camera system and the services offered with it, especially monitored vs. unmonitored security systems. Home security companies that offer monitoring services along with cameras will charge a monthly fee for monitoring and possibly for using the security cameras. Cameras that you monitor yourself as part of your own security system will not have monthly fees charged.

A steel door that's been toughened up with extra materials creates the perfect barrier. These bad boys are way stronger than your typical wooden or fiberglass doors, making them a fantastic choice for folks who want that extra layer of security for their homes. So, if you're all about keeping things super secure, a reinforced steel door will cost you more, but it is your best bet.

Yes, many providers offer reinforced steel, fire-rated, and electronic access doors for businesses.

A potential weak link in any security system is poor connection strength or dropped signals, particularly in the case of a fully wireless system. You also want to ensure a reliable connection to get a hold of your service provider quickly. Also, you should exercise caution when handing out sign-in credentials to people outside the household.

Some Christmas lights are marked as being “UL Safety Certified” or Underwriters Laboratories Safety Certified. This lab is a trusted source for determining the safety standards of electrical products—you should make sure your Christmas lights have this label. Brush up on other electrical safety tips before installing any lighting features. 

The Greenbrae, CA homeowners’ guide to home security system services

From average costs to expert advice, get all the answers you need to get your job done.