Metro Detroit Integrated Systems
Verified Pro
13+ years online4.9(30)
Access Control & Intercom in Detroit, MI
Compare 49 access control & intercom contractors near you in Detroit and surrounding area with an average rating of 4.5/5. Get free quotes, read reviews, and find the right pro for your project.
Last updated March 22, 2026
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Access Control & Intercom in Detroit, MI
Detroit access control and intercom work covers a wide range: urban rowhouse apartments in Midtown and Corktown, multi-family conversions in Indian Village, commercial properties along Woodward Avenue, and suburban ring municipalities in Warren and Dearborn. The housing stock leans old — a large share of Detroit's buildings were built between 1900 and 1950 — which means retrofit work often encounters knob-and-tube wiring, plaster walls, and long cable runs through unfinished basements. Common residential jobs include smart-lock upgrades on original oak entry doors, replacing aging buzzer intercoms in small apartment buildings, and adding keypad entry to back-alley garage doors. Commercial work focuses on card access for manufacturing, small offices, and non-profits housed in converted industrial buildings.
Residential smart lock installs in Detroit run $250-$600; commercial card access for a 10-20 door office runs $6,000-$25,000. Michigan doesn't license low-voltage alarm installers separately but commercial integrators typically hold a State of Michigan Security Alarm Contractor license. Detroit Building Safety and Engineering Department permits are required for line-voltage tie-ins. Winter cold (January-February averages below 25°F) slows exterior work significantly — most outdoor gate and keypad installs are scheduled April through November. Older industrial conversions often have useful existing low-voltage pathways from telephone or alarm systems that save significant rewiring.
Frequently Asked Questions
- Will a smart lock work on the original door of my 1910 Detroit home?
- Most smart locks require a standard 2⅛" bore hole and 1" edge bore with a modern latch. Older doors sometimes have non-standard mortise locks that need a reinforcement plate or conversion kit. Expect $50-$150 in adapter hardware for older door conversions. A pro can inspect the door and confirm compatibility in a 15-minute visit.
- How do I handle intercom wiring in a 1920s Detroit apartment building?
- Older buildings often have existing telephone or fire-alarm wiring runs that can double as pathways for new Cat5 or intercom cable. Walking the basement and attic is the first step — experienced installers can often reuse 60-70% of existing pathways, cutting a 40-unit retrofit from $60,000 to $35,000.
- What permits do I need for a new gate opener at my Detroit property?
- Detroit requires an electrical permit from Building Safety, Engineering, and Environmental Department for any line-voltage tie-in. Commercial gates on a public-facing driveway also require compliance with UL 325 entrapment protection standards. Permit costs run $100-$300 for a residential installation.
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