Home Security & Alarm Systems in Mississauga

Grand Alarms protects Mississauga homes with professionally installed home security systems, smart alarm systems, security cameras, and 24/7 monitoring through a ULC-certified central station.

Whether you live in a Port Credit condo, an Erin Mills family home, a Lorne Park detached property, or a townhome near Square One, we design your system around your property, your routines, and the way you actually use your home.

– Trusted By Mississauga Homes and Businesses –

4.7 Stars

1,288+ HomeStars reviews

A+ BBB Rating

Established GTA security company

ULC-Listed

Professional Monitoring Centre

Alarm Service

Homes, condos, and businesses

Home » Service Areas » Mississauga, Ontario

Security System Packages for Mississauga Homes

Three tiers built around Mississauga’s most common home types.

How much does a home alarm system cost in Toronto? Grand Alarms packages range from $32.99 to $59.99 per month, with $0 upfront options and a 3-year price lock. 24/7 ULC-approved monitoring is included on every plan.

Essentials Package

$32.99/mo.

3-year price lock

24/7 Monitoring
Backup Battery
Cellular Communicator
Comprehensive Warranty
Door & Window Sensors
Lawn Sign & Stickers
Motion Sensors
SmartHub Security Panel

Standard Package

$39.99/mo.

3-year price lock- $0 Upfront

• Arm and disarm from your phone
• Get alerts while away

Plus Package

$59.99/mo.

3-year price lock

• Answer your door from anywhere
• More visibility around your home

Smart Security Cameras for Mississauga Homes & Businesses

Smart indoor and outdoor security cameras give Mississauga homeowners and businesses clear video of every entrance, driveway and yard — day or night. Each camera ties into your Grand Alarms system and 24/7 ULC-listed monitoring, so you see package deliveries, visitors and activity in real time from the app.

High-definition video clarity

Wide-angle view of your doorway

Night vision for after-dark security

See faces, packages, and activity clearly

Smart Doorbell Cameras for Mississauga Homes

video doorbell camera view with motion alerts and two-way talk for a property in Mississauga (home security company Mississauga).

video doorbell camera view with motion alerts and two-way talk for a property in Mississauga (Smart home security system Mississauga).

video doorbell camera view with motion alerts and two-way talk for a property in Mississauga (Smart home alarm system Mississauga).

Smart Door Locks for Mississauga Properties

Smart locks add keyless, controllable access to your Mississauga home or business. Lock or unlock from the app, share time-limited codes, and link the lock to your alarm system so every door is part of one connected security setup — built for Canadian winters.

Instant Smart-Lock Alerts for Your Mississauga Home

smart door lock with keyless entry and remote access control for a property in Mississauga (home alarm company Mississauga).

smart door lock with keyless entry and remote access control for a property in Mississauga (Mississauga home alarm systems).

smart door lock with keyless entry and remote access control for a property in Mississauga (Home alarm systems Mississauga).

All in One Smart Security System for Mississauga

One Grand Alarms system covers it all for Mississauga homes and businesses — cameras, door and window sensors, smart locks, and 24/7 ULC-listed monitoring, managed from a single app. Powerful protection, with none of the complexity.

Smart Security Devices Built for Mississauga Homes

24/7 Monitoring

Top Quality Products

Instant Notifications

Fast Installation

Smart-Lock Access Control for Mississauga Homes

Trusted Security Installation in Mississauga

Grand Alarms is a Vaughan-based, BBB A+ accredited security company rated 4.7★ across 1,288+ HomeStars reviews. Our own technicians install and service smart security systems across Mississauga, backed by 24/7 ULC-listed central-station monitoring and long-term local support.

Security Solutions Across Mississauga Neighbourhoods

From the Lake Ontario shoreline to the suburbs along Highway 403, Mississauga is a city of distinct neighbourhoods — each with its own housing mix and security needs. Grand Alarms installs and monitors home and business security systems across all of them, tailoring every setup to the property and the people in it.

Grand Alarms Ltd. | 9000 Keele Street Suite 12 Vaughan Ontario L4K 0B3

Port Credit

Mississauga’s lakeside village mixes century-old homes with new mid-rise condos and steady weekend foot traffic along Lakeshore Road, so a video doorbell and exterior cameras keep watch over entrances when the patios and marina are busy.

Lorne Park

One of Mississauga’s most established neighbourhoods, Lorne Park is known for large detached homes on deep, tree-lined lots, where perimeter sensors and well-placed cameras cover the long driveways and side yards that bigger properties create.

Streetsville

“The Village in the City” keeps its historic Main Street character and older housing stock, where discreet wireless sensors and smart-app control add modern protection without altering the look of a heritage home.

Erin Mills

A large planned community of family subdivisions around Erin Mills Town Centre, Erin Mills suits 24/7 monitoring with smartphone alerts so parents can confirm doors are locked and kids are home safe from anywhere.

Central Erin Mills

Newer executive homes and townhomes near Credit Valley Hospital benefit from smart-home integration that ties alarms, cameras and lighting together for households juggling busy, overlapping schedules.

Meadowvale

With its quiet courts, cul-de-sacs and a large commuter population, Meadowvale homes often sit empty during the day, so away-mode automation and motion alerts flag activity while you are at work.

Churchill Meadows

One of Mississauga’s fastest-growing areas, Churchill Meadows is full of newer detached homes and young families who value a fully app-controlled system with door, window and camera coverage from day one.

Cooksville

A dense, transit-connected hub around Cooksville GO and Hurontario, Cooksville mixes houses, low-rise apartments and rentals, making monitored alarms and entry-point sensors especially valuable.

Clarkson

This lakeside neighbourhood near Clarkson GO blends mature detached homes with newer infill, where exterior cameras and a monitored alarm deter break-ins along the quieter streets feeding the station.

Mineola

An affluent enclave of large lots between Port Credit and the QEW, Mineola suits comprehensive perimeter protection – driveway cameras, glass-break sensors and 24/7 monitoring across a bigger footprint.

24/7 Home and Business Alarm Monitoring in Mississauga

Grand Alarms provides 24/7 ULC-listed alarm monitoring for homes and businesses across Mississauga, with instant alerts and fast central-station response — every day of the year.

What Mississauga Customers Say About Grand Alarms

Homeowners across Mississauga trust our security company for fast installation, helpful service, and dependable alarm monitoring. Below are real experiences from Mississauga residents who upgraded their home or business security with our smart systems.

★★★★★

Excellent Service

Sanjay Gandhi
Google Review
March, 2026

“Excellent service; they were quick to install equipments and provided step by step instructions.”

Read Review On Google Reviews

★★★★★

Quick Install

Sharon Gordon
Google Review
May 2026

“A contractor named Issa came to update and install my alarm system, and he was excellent. I would recommend him all the time every time. He’s very efficient knows of stuff and fast.”

Read Review On Google Reviews

★★★★★

Very Impressive

Carrie Chai
Google Review
April 2026

“We had an alarm system upgrade. The service was amazing and fast. Very impressive.”

Read Review On Google Reviews

Mississauga Home Security FAQs

Q: What type of home security system works best in Mississauga?

The best home security system in Mississauga is usually a smart, professionally installed system with cameras, sensors, and 24/7 monitoring. The combination gives you fast alerts, strong alarm protection, and a reliable way to secure your home whether you are in the city or away.

Q: Do you install business alarm systems in Mississauga?

Yes. Our company installs full business alarm systems for offices, retail stores, warehouses, and service businesses across Mississauga. We build smart systems with access control, cameras, and monitoring to protect assets, staff, and daily operations.

Q: How does 24/7 alarm monitoring actually work?

When your system detects activity, it sends an alert to a monitoring centre staffed by trained professionals. They review the event, contact you if needed, and dispatch emergency services when required. This ensures your home or business in Mississauga is protected at all times.

Q: Can I control my security system from my phone?

Yes. Smart home security systems include full mobile app control. You can arm or disarm your alarm, check cameras, monitor business activity, and receive alerts from anywhere in Mississauga or beyond. The system stays connected through encrypted communication.

Q: What smart devices can be added to a Mississauga home?

Most homeowners add smart doorbell cameras, smart locks, indoor and outdoor cameras, window sensors, and automated lights. These devices work together as part of a complete system to strengthen home security and improve daily convenience.

Q: Do security cameras work in winter weather?

Yes. Modern smart cameras and doorbell units are designed to handle Canadian winters, including Mississauga’s cold temperatures. They operate reliably during snow, rain, and low-light conditions, which is essential for year round home and business monitoring.

Q: How long does it take to install a new security system?

Most Mississauga installations are completed in a single day. A technician sets up the smart panel, sensors, cameras, and alarm devices, then tests the system with you. Business systems may take longer depending on the size of the property and the level of monitoring required.

Q: Can you upgrade my existing alarm system to a smart system?

Yes. Many homeowners and businesses in Mississauga upgrade older alarm systems to a modern smart system. We replace outdated hardware with new devices and connect everything to a mobile app for better control, better monitoring, and more reliable protection.

Q: Do you support both home security and business security in Mississauga?

Our company provides full home and business security systems throughout Mississauga. Whether you need a complete smart home system, a business alarm solution, or 24/7 monitoring, we install and support systems for properties of all sizes.

Q: How much does a home alarm system cost in Mississauga?

Grand Alarms home security packages in Mississauga range from $32.99 to $59.99 per month. The Standard package is available with $0 upfront, and every plan comes with a 3-year price lock and 24/7 ULC-listed monitoring.

Q: Which areas of Mississauga does Grand Alarms cover?

We install and monitor security systems across all of Mississauga – from Port Credit, Lorne Park and Streetsville to Erin Mills, Meadowvale, Churchill Meadows, Cooksville, Clarkson and the Square One / City Centre area.

Q: Is alarm monitoring in Mississauga ULC-listed?

Yes. Every Grand Alarms plan includes 24/7 ULC-listed central-station monitoring – the monitoring standard most Ontario home insurers look for when applying alarm discounts.

Q: Can I control my Mississauga home security system from my phone?

Yes. The Standard and Plus packages include smart app control, so you can arm and disarm the system, check its status and receive real-time alerts from anywhere – whether you are at Square One or away on vacation.

Q: Can a monitored alarm help lower my home insurance in Mississauga?

Many Ontario insurers offer premium discounts for homes with a ULC-listed monitored alarm. On request, Grand Alarms can provide a monitoring certificate you can submit to your insurer in Mississauga to confirm your coverage.

Home Security & Alarm Systems in Mississauga

Q: Do you install business alarm systems in Mississauga?

Yes. Grand Alarms installs full business alarm systems for offices, retail stores, warehouses, and service businesses across Mississauga. Systems can include access control, cameras, sensors, and monitoring to help protect assets, staff, and daily operations.

Q: Can I control my security system from my phone?

Yes. Smart home security systems can include mobile app control. You can arm or disarm your alarm, check cameras, monitor activity, and receive alerts from anywhere in Mississauga or beyond.

Q: What smart devices can be added to a Mississauga home?

Many homeowners add smart doorbell cameras, smart locks, indoor and outdoor cameras, window sensors, motion sensors, and smart home devices. These devices work together as part of a connected security system.

Q: How long does it take to install a new security system?

Most Mississauga home security installations are completed in a single day. A technician sets up the panel, sensors, cameras, and alarm devices, then tests the system with you. Larger business systems may take longer depending on the property.

Q: Do you support both home security and business security in Mississauga?

Yes. Grand Alarms provides home and business security systems throughout Mississauga. Whether you need a smart home system, a business alarm solution, cameras, access control, or 24/7 monitoring, systems are designed around the property.

Grand Alarms protects Mississauga homes with professionally installed home security systems, smart alarm systems, security cameras, and 24/7 monitoring through a ULC-certified central station.

– Trusted By Mississauga Homes and Businesses –

Smart Security Solutions | Professional Installation | 24/7 Alarm Monitoring | Peace of Mind

A+ BBB Rating

Established GTA security company

ULC-Listed

Professional Monitoring Centre

Alarm Service

Homes, condos, and businesses

4.7 Stars

1,288+ HomeStars reviews

Home » Service Areas » Mississauga, Ontario

Security System Packages for Mississauga Homes

Three tiers built around Mississauga’s most common home types.

How much does a home alarm system cost in Mississauga? Grand Alarms packages range from $32.99 to $59.99 per month, with $0 upfront options and a 3-year price lock. 24/7 ULC-approved monitoring is included on every plan.

Essentials Package For Mississauga

$32.99/mo.

3-year 3-year price lock - $0 Upfront lock

24/7 Monitoring
Backup Battery
Cellular Communicator
Comprehensive Warranty
Door & Window Sensors
Lawn Sign & Stickers
Motion Sensors
SmartHub Security Panel

Standard Package For Mississauga Homes

$39.99/mo.

3-year price lock - $0 Upfront

• Arm and disarm from your phone
• Get alerts while away

Plus Package For Mississauga Homes

$59.99/mo.

3-year price lock - $0 Upfront

• Answer your door from anywhere
• More visibility around your home

Smart Security Cameras for Mississauga Homes & Businesses

High-definition video clarity

Wide-angle view of your doorway

Night vision for after-dark security

See faces, packages, and activity clearly

Smart Doorbell Cameras for Mississauga Homes

A smart doorbell camera provides live video, two way audio, and motion alerts that help protect your Mississauga home. It connects to your alarm system and gives you a complete view of who approaches your door.

Package Deliveries

Kids Arriving Home

Unwanted Guests

Smart Door Locks for Mississauga Properties

That moment of doubt is gone.

• See lock status instantly

• Lock or unlock from anywhere

• Get alerts the moment your door opens

• Built for real Canadian weather

Instant Smart-Lock Alerts for Your Mississauga Home

The moment your door is locked or unlocked, you know. Whether you are at work, on vacation, or just upstairs, real-time notifications keep you informed.

Instant alerts on door activity

Check lock status anywhere, anytime

Know if a door was left unlocked

All in One Smart Security System for Mississauga

Smart Security Devices Built for Mississauga Homes

Always Ready.

24/7 Monitoring

The Best of the Best.

Top Quality Products

Free App.

Instant Notifications

Always On.

Live Camera Views

Smart-Lock Access Control for Mississauga Homes

Not everyone needs full access. Our smart door locks create and manage user profiles for family, guests, or service providers. Full control. No awkward conversations.

•Create custom user profiles

•Assign access levels per person

•Add or remove users instantly

•Perfect for guests and short-term access

Trusted Security Installation in Mississauga

Security Solutions Across Mississauga Neighbourhoods

Port Credit

Lorne Park

Erin Mills

Meadowvale

With its quiet courts, cul-de-sacs and a large commuter population, Meadowvale homes often sit empty during the day, so away-mode automation and motion alerts flag activity while you are at work.

Cooksville

A dense, transit-connected hub around Cooksville GO and Hurontario, Cooksville mixes houses, low-rise apartments and rentals, making monitored alarms and entry-point sensors especially valuable.

Mineola

Central Erin Mills

Churchill Meadows

Clarkson

Streetsville

24/7 Home and Business Alarm Monitoring in Mississauga

Grand Alarms provides 24/7 ULC-listed alarm monitoring for homes and businesses across Mississauga, with instant alerts and fast central-station response — every day of the year.

What Mississauga Customers Say About Grand Alarms

★★★★★

Excellent Service

Sanjay Gandhi
Google Review
March, 2026

“Excellent service; they were quick to install equipments and provided step by step instructions.”

Read Review On Google Reviews

★★★★★

Quick Install

Sharon Gordon
Google Review
May 2026

“A contractor named Issa came to update and install my alarm system, and he was excellent. I would recommend him all the time every time. He’s very efficient knows of stuff and fast.”

Read Review On Google Reviews

★★★★★

Very Impressive

Carrie Chai
Google Review
April 2026

“We had an alarm system upgrade. The service was amazing and fast. Very impressive.”

Read Review On Google Reviews

Mississauga Home Security FAQs

Q: What type of home security system works best in Mississauga?

Q: Do you install business alarm systems in Mississauga?

Q: How does 24/7 alarm monitoring actually work?

Q: Can I control my security system from my phone?

Q: What smart devices can be added to a Mississauga home?

Q: Do security cameras work in winter weather?

Q: How long does it take to install a new security system?

Q: Can you upgrade my existing alarm system to a smart system?

Q: Do you support both home security and business security in Mississauga?

Q: How much does a home alarm system cost in Mississauga?

Q: Which areas of Mississauga does Grand Alarms cover?

Q: Is alarm monitoring in Mississauga ULC-listed?

Yes. Every Grand Alarms plan includes 24/7 ULC-listed central-station monitoring – the monitoring standard most Ontario home insurers look for when applying alarm discounts.

Q: Can I control my Mississauga home security system from my phone?

Q: Can a monitored alarm help lower my home insurance in Mississauga?