North Side Security Lock Co.
About North Side Security Lock Co.
High-security lock installation in Chicago. Medeco, Mul-T-Lock, and commercial-grade access control. We upgrade residential and commercial security. Chicago's extreme weather swings from below-zero winters to hot humid summers test every system and material. Our Chicago team knows how to spec and install for Midwest conditions. We serve Cook County, DuPage County, and the surrounding Chicago suburbs. Licensed and insured Illinois contractor. We offer emergency service, evening appointments, and weekend availability for busy Chicago homeowners and property managers.
4 years in business
Services
Emergency / Same-Day Service
Same-day emergency service available in Chicago. We respond quickly when you need help most. After-hours and weekend service available.
Starting at $550 / per visit
Location
Chicago, IL 60614
Hours of Operation
Services Offered
Emergency / Same-Day Service
Same-day emergency service available in Chicago. We respond quickly when you need help most. After-hours and weekend service available.
$550
starting at
Reviews
5
3 reviews
3 reviews
Lisa P.
Got three quotes in Chicago and chose North Side Security Lock Co.. Most knowledgeable of the bunch. Showed up on time, delivered exactly what was promised, and cleaned up perfectly.
Response from North Side Security Lock Co.
Thank you for trusting North Side Security Lock Co.. We appreciate serving Chicago homeowners.
Donna R.
Called North Side Security Lock Co. on a friend's recommendation. The work was done right, on schedule, and at the quoted price. Hard to find this level of reliability in Chicago. Five stars earned.
1 person found this helpful
Response from North Side Security Lock Co.
Thank you for trusting North Side Security Lock Co.. We appreciate serving Chicago homeowners.
Nancy C.
North Side Security Lock Co. did excellent work on our Chicago property. Professional, clean crew, fair pricing. Results exceeded expectations. Already recommended to neighbors.
4 people found this helpful
Response from North Side Security Lock Co.
Thank you for trusting North Side Security Lock Co.. We appreciate serving Chicago homeowners.
Location
Chicago, IL 60614
Frequently Asked Questions
Last updated April 2026
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