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TRUSTED BY NEW CASTLE, DE HOMEOWNERS

  • Average homeowner rating star icon4.3
    Average homeowner rating
  • Verified reviews icon43
    Verified home security system services reviews

Top-Rated Home security system pros in New Castle - Updated Nov 2026

Avatar for SafeStreets - ADT Authorized Provider
SafeStreets - ADT Authorized Provider
4.8(
320
)
Alarm or Security System - InstallAlarm or Security System - Install - For BusinessAlarm or Security System - Monitor+5 more

Serving New Castle, DE and surrounding areas

Approved (Corporate)

In business since 2010

Free estimates

Emergency services offered

"SafeStreets made home security easy and stress-free. The technician was knowledgeable, friendly, and completed the installation quickly. Everything was explained clearly, and the ADT system works flawlessly. I feel much safer knowing my home is protected. Excellent service from start to finish—highly recommend SafeStreets for peace of mind and protection!"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+1

4 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Guardian Protection Services, INC
Guardian Protection Services, INC
3.6(
20
)
Alarm or Security System - InstallAlarm or Security System - Install - For BusinessAlarm or Security System - Monitor+1 more

Serving New Castle, DE and surrounding areas

Approved

In business since 1950

Free estimates

Warranties offered

Trusted smart home security and small business security, Guardian Protection is the nation's largest privately-held security company helping to protect more than a quarter-million customers. Guardian Protection is a company dedicated to life safety and monitoring of property. We provide an extensive array of security and monitoring services to more than a quarter-million residential and commercial customers. Guardian is the nation's largest privately-held security company, but we weren't always that way. We do business today with the same integrity, attention to detail and commitment to customer service that was present when the company was founded back in 1950. We're a security company you can depend on. Call today for a FREE quote or in home security assessment.

Guardian Protection Professional Installation
Guardian Protection App
Guardian Protection Video Doorbell
Guardian Protection Video Doorbell and App
Guardian Protection Devices

+1

Recommended by68%of homeowners
Avatar for Best Buy - Greater Philadelphia
Best Buy - Greater Philadelphia
4.8(
5
)
Smart Home System - Install or Service

Serving New Castle, DE and surrounding areas

Approved (Corporate)

In business since 1966

Free estimates

Credit card accepted

Thinking about adding new tech or appliances? Get a free In-Home Consultation from Best Buy. A Best Buy, In-Home Advisor can visit your home, show you what is possible, and create a customized plan. Best Buy, works hard every day to enrich the lives of consumers through technology, whether you come to us online, visit our stores or invite us into your homes. We do this by solving technology problems and addressing key human needs across a range of areas, including entertainment, productivity, communication, food, security and health. Call today! \n \n

In-Home Consultation
In-Home Consultation
In-Home Consultation
In-Home Consultation
In-Home Consultation

+5

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 New Castle, DE 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 CASTILLOSA GROUP LLC
CASTILLOSA GROUP LLC
5.0(
8
)
Surveillance Cameras - Install or Repair

Serving New Castle, DE and surrounding areas

Approved

In business since 2024

Free estimates

Offers commercial services

Castillosa Group is a Delaware home improvement contractor providing professional remodeling, installation, repair and improvement services for residential properties. From kitchens and bathrooms to doors, outdoor living projects, drywall, additions and specialty installations, we provide complete project solutions with a focus on quality workmanship, clear communication and dependable service.

Interior Doors upgrade
Interior Doors upgrade
Interior Doors upgrade
Interior Doors upgrade
New room addition

+11

4 neighbors recently requested a quote
Avatar for EdGi Automation
EdGi Automation
5.0(
2
)
Building Automation System - Install or Service - For BusinessSmart Home System - Install or Service

Serving New Castle, DE and surrounding areas

Approved

In business since 2019

Free estimates

Small jobs welcome

CALL US DIRECTLY AT 302-448-8557 FOR A FREE QUOTE. EdGi Automation 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.

Kitchen lighting
Kitchen lighting
Control surface
Control surface
Lighting and fireplace

+1

Response time6 hrs
Recommended by100%of homeowners
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Home Security Systems FAQs, answered by experts

Each has its use, depending on the scenario. Security doors are primarily intended to keep people out of the home, while storm doors are used to protect the home from extreme weather. Both tend to be made from heavy-duty metal and may include glass panels to allow light to enter the home. Storm doors can feature mesh screens, just like screen doors, to allow for increased ventilation and to keep out pests. Security doors rarely, if ever, have mesh screens.

The cost of home automation averages around $1,000, with most projects falling between $200 and $2,000. The total cost depends on several factors, including the level of automation, brand, system features, home size, and location. For a DIY approach, basic home automation technology can cost between $100 and $500, though the scope and interaction between products may be limited. High-end, all-inclusive systems for larger homes can cost anywhere from $10,000 to $150,000, especially when they include smart appliances like refrigerators and dishwashers that require extensive wiring. Additional costs, such as subscriptions for maintenance services, can also impact the total price. It's often helpful to set a budget and consult with an expert to determine the best options for your home.

One significant drawback of home automation is the increased risk of cybersecurity threats. With more connected devices in our homes, there's a greater chance that hackers might try to exploit vulnerabilities to access personal data or even control your devices. If you don't secure your smart gadgets properly, they can become entry points for cyberattacks, risking your privacy and safety. Moreover, technology isn't perfect. Sometimes, systems can malfunction or experience connectivity issues, disrupting your daily routines. The upfront cost of buying and installing smart devices can also be a hurdle for some people. 

There are several strategic ways to lower your home insurance premium. The primary one is to shop around and get quotes every few years to make sure you’re getting the best deal. Also, sometimes bundling your auto and homeowner’s insurance will get you a discount on both. Finally, try to keep your credit score up; many homeowner insurance companies use credit scores to generate quotes.

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

The New Castle, DE homeowners’ guide to home security system services

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