Keystone Security Systems

Alarm Systems
9 Hickory Street Guelph ON N1G 2X2
Write a Review
Write a Review
Alarm Systems
Keystone Security Systems
Star Score
StarScore uses a complex algorithm which considers a company’s review ratings, responsiveness, reputation, and recency. Learn more.


This is the average rating based on homeowner reviews.
This indicates how long it's been since the last review.
Low reputation means there has been review tampering or a company request to remove a review. This score is also impacted when we do not have enough information i.e: low number of reviews.
How well a company responds to Service Requests and Reviews.
Reviews by rating (past 12 months)

Review for Keystone Security Systems

Average customer rating:
10 10 (1 reviews)

Sort by

Star in Forest Hill
Star in Forest Hill
5 reviews Toronto, ON

Home alarm system

Keystone has installed, monitored, upgraded and expanded the alarm monitoring system in our home since 1993. Everyone at Keystone has been responsive, responsible, honest and effective in providing service to us.

1 of 1 people found this review helpful.
Was this review helpful?
The reviews on this page are the subjective opinion of the Author and not of HomeStars Inc.

Is this your business?

Receive leads and respond to reviews.
Claiming is easy and free.

Claim this business
Company profile information is not moderated by HomeStars. Ask the contractor to verify before hiring.
Looking for Alarm Systems pros in Guelph?