Mark SkinnerKeeping your property safe is a top priority for protecting your family and achieving true peace of mind. The need for reliable security often hits you right as you are unpacking boxes from movers and settling into a brand-new neighborhood.
A solid security system keeps a watchful eye on things when you are away, and it works beautifully alongside professional door repair to ensure every single entry point is fully secure.
But with so many choices out there, finding the right fit can feel a bit overwhelming, so we did the heavy lifting by finding the top options in San Diego just for you!
How much does a home security system cost in San Diego?
Availing a home security system in San Diego typically involves an upfront equipment fee ranging from $200 to $2,500 along with monthly monitoring fees between $10 and $60.
| System Type | Upfront Costs (Equipment & Installation) | Monthly Monitoring Fees |
| Basic DIY Kits | $130 – $300 | $0 – $15 / month |
| Standard Professionally Installed Systems | $200 – $1,200 | $20 – $60+ / month |
| Premium Smart Home Systems | $1,200 – $2,500+ | $20 – $60+ / month |
1. Alert 360 Home & Business Security San Diego
Website: https://www.alert360.com/locations/home-and-business-security-san-diego
Address: 3645 Ruffin Rd Ste 225
Contact: 619-378-1055
Hours: Available 24/7
Alert 360 Home & Business Security San Diego makes it much easier to protect your property around the clock with a U.S.-based, Five Diamond-certified monitoring center that responds to emergencies instantly.
They’ve been around since 1973 and offer strong scalability for both residential homes and small business properties.
A big plus for convenience is their combination of custom system layouts and professional installation from certified technicians. With these, you don’t have to deal with complicated setup work.
I’m also quite impressed that the system connects alarms and live camera feeds into one mobile application. You can stay updated without switching between different platforms.
On top of that, its proactive video shield uses AI to detect potential threats in real time, adding another layer of everyday protection.
However, some customers have reported delays when transferring accounts or stopping billing during a move, which can be really frustrating at times.
Customer Reviews:
Prompt and courteous service
We had an existing security system in the home we bought. We added a skybell doorbell for only 4 dollars a month and Scott just placed a back yard video camera to find out what critters are triggering our security lights at night. No cost for the camera or installation, but 6.00 a month more for monitoring. Prompt and couteous service. Have been telling all my friends about Alert360!
- Jeffrey Stork | Google Review
I’m glad we chose to secure our home with this business
Every single tech is always extremely knowledgeable, polite, clean, and extremely efficient with anything that they come out to do. I greatly appreciate this company and I’m glad we chose to secure our home with this business.
- Edith Romero | Google Review
2. Real Home Security, LLC- Authorized ADT Dealer
Website: https://www.realhomesecurityllc.com/
Address: 8825 Aero Dr #220
Contact: 619-647-7923
Hours:
- Monday – Saturday: 8:00 AM – 8:00 PM
- Sunday: 8:00 AM – 5:00 PM
Real Home Security gives homeowners a reliable way to secure their property, backed by a nationwide support system delivered locally.
Their protection packages focus on key life-safety features like fire and carbon monoxide (CO) detection, along with standard burglary protection.
In addition, the systems integrate smoothly with smart voice assistants and mobile apps, so you can manage locks and security settings from almost anywhere.
Aside from the 6-month money-back guarantee, mover discounts and deductible coverage are also offered if a break-in occurs.
Just make sure to review all paperwork carefully, as some clients have reported sales miscommunications around bundle promotions and occasional billing or collection issues after account changes.
Customer Reviews:
We’re very happy with our home security system
Michale is incredibly detailed and patient, he took the time to answer all our questions and everything was delivered as promised! I was surprise by how fast and efficient the whole process was. We’re very happy with our home security system and the service provided, we highly recommend working with Michael, amazing service all throughout!! 👏👏👏👏👏
- Oscar Castro | Google Review
A great experience having the home security
It’s been a great experience having the home security. Especially when lots of homeless are passing by our house. They broke in twice before our security system but thank God my wife and daughters weren’t home. Ever since we’ve had our security system, they don’t bother to try.
- Manuel Sarria | Google Review
3. Smart Shield Systems Commercial & Residential Security
Website: https://www.smartshieldsystems.com/
Address: 9655 Granite Ridge Dr #200
Contact: 844-477-7627
Hours: Available 24/7
Fast initial setups and reliable, professional configurations are part of the service, thanks to Smart Shield Systems Commercial & Residential Security’s local presence.
If you want deep local expertise and tailored setups designed specifically for neighborhood building codes, this regional full-service provider can be a strong option. Their technicians respond quickly and complete installations more efficiently, too.
A noteworthy aspect is their highly customizable technology, which integrates intrusion detection, energy management, and climate automation into a single cohesive platform.
They also use Underwriters Laboratories (UL)–listed monitoring stations to help ensure emergency services get dispatched quickly during a crisis.
Do take note, though, that there could be hardware issues coming up after installation.
While the digital tools perform well, a few clients have reported long response times when requesting an on-site technician to fix malfunctioning sensors, which can temporarily affect system monitoring.
Customer Reviews:
I’m very impressed from the quality of workmanship
I had smart shield install a full smart home security system (that I just LOVE) it helps me control my life. We also had them do mesh network and some CCTV cameras that are fantastic.
I have to be honest here and say that I’m very impressed from the quality of workmanship and personal that showed up. They were super professional and polite, they treated our house as if it’s their own.
The price was fantastic compared to the other 2 quotes we received.
Overall 7 stars company!!!
- iGenius Repair | Google Review
Love the system, everything works excellent
We have had Smart Shield systems security for our home over a month now. We absolutely love the system, everything works excellent. We are very happy, we feel we made the right decision to go with Smart Shield systems security company.
- Alan Levy | Google Review
4. Halcyon Security Solutions
Website: https://www.halcyonmss.com/
Address: 4901 Morena Blvd Suite #811
Contact: 858-668-5446
Hours: Monday – Friday: 8:00 AM – 5:00 PM
Property owners who require heavy-duty protection often turn to Halcyon Security Solutions for premium enterprise-grade security systems.
This team covers the full process, including CCTV cameras, access control systems, installation, and ongoing monitoring.
They also design customized setups that give you full mobile application oversight of your entire property, so you can stay connected to your security system wherever you are.
However, this level of protection comes with a few financial and practical considerations that may not suit everyone.
The advanced hardware and professional labor lead to higher upfront costs, not to mention the ongoing subscription fees. The setup may feel excessive if you rent a small apartment or only need a simple doorbell camera setup.
Customer Reviews:
Helped me with my home alarm and monitoring system
Halcyon installed my home cctv security system, 4k Crystal clear video and very easy to use phone app, they also helped me with my home alarm and monitoring system. Very proffesional crew ans great rates
- Oded Iron | Google Review
Thank you for protecting my home and loved ones
I recently purchased a house and called Halcyon Technologies to install access control with video intercom for my front gate and security camera system with hi definition cameras around my house. I was extremely happy with the price and the installation and I highly recommend them!! They have amazing customer service and are a family business so they care about your personal needs. Now I can sleep soundly at night knowing myself and my family are safe. Thank you for protecting my home and loved ones!
- Shlomo Yakov | Google Review
5. Dempsey Alarms LLC
Website: https://www.dempseyalarms.com/
Address: 8930 Activity Rd. Suite F
Contact: 858-368-9707
Hours:
- Monday – Friday: 9:00 AM – 5:00 PM
- Saturday: 9:00 AM – 4:00 PM
Families seeking an experienced local professional can turn to Dempsey Alarms. The company is led by founder Eric Dempsey, who has personally handled thousands of installations over more than 15 years in the industry.
That hands-on experience shapes the team’s practical approach to home security. As a result, they provide modern smartphone control, automated text alerts, and complete environmental detection packages that guard against fire and water damage.
When I called to ask about pricing, I loved how the team explained the options clearly without any heavy sales pressure.
And for veterans and those in active-duty military service, note that the company offers exclusive discounts and the option to upgrade older wiring.
Just a heads-up, though: to access the best advertised package pricing, you must be willing to sign a 24-month monitoring contract.
Customer Reviews:
Expertly upgrading my system with professionalism and precision
Dempsey Alarms truly exceeded my expectations with their excellent customer service. A huge shout-out to Gage, the field technician, for expertly upgrading my system with professionalism and precision. His knowledge and attention to detail made the process seamless. Also, a big thank you to Gale at the front desk for her courteous and timely follow-ups, ensuring everything was on track. Their dedication and customer-first approach make Dempsey Alarms a top-notch choice. Highly recommend!
- Dorian Lv | Google Review
For any of your security alarm needs
Eric and Kim are the Best!!! Eric helped me trouble shoot my alarm system via the phone and got it back working again without coming to my house. I would not hesitate to call Eric or Kim for any of your security alarm needs! Professionalism at its Best!!! I owe you Eric. Thank you and have a Prosperous 2024. God bless and keep up the Great Work!
- FDR | Google Review
