Chicago + North Shore · Security & Low-Voltage

Security cameras, access control, intercoms
and repair service calls for Chicago businesses & HOA buildings

We handle security camera installation in Chicago and nearby suburbs, and we design and install access control systems for Chicago offices, condo associations, HOA buildings and multifamily properties. Intercom system installation and repair is a big part of the work too, along with the networking that ties it all together.

We also provide service calls and repairs for systems installed by us or by other vendors, including electric strikes that fail to release, access control doors that stop working, cameras offline after power issues, intercom failures and recorder/network problems that disrupt daily operations.

Based in Winnetka · Serving Chicago, North Shore and high-value business suburbs including Elk Grove Village, Schaumburg, Rosemont, Des Plaines and surrounding commercial corridors.

Security systems for small business, retail, restaurants, offices and HOA buildings

We are oriented toward real-world operating properties, not only new construction. That means we design for business hours, staff turnover, deliveries, tenant traffic, after-hours access and recurring service needs. For condo and HOA properties, we also plan around board approvals, resident communication and phased upgrades.

For Chicago condo boards and property managers, we also help with the day-to-day support issues we see every week: building entry doors not releasing, electric strikes not latching, intercom calls failing, readers going offline, and cameras dropping after power or network events. Unlike national intercom companies, we are local — we walk the building first and quote from what is actually on the wall.

Retail stores & boutiques

Entry cameras, POS-area visibility, stock-room coverage and reliable back-door access control for owner-operated shops and multi-location retail.

Cafes, bars & restaurants

Front-of-house and rear-door coverage, office/storage access and stable networking for cameras and POS-adjacent systems in busy hospitality environments.

Offices & small commercial

Door access control, lobby and common-area cameras, and structured low-voltage planning that scales as tenants, staff and security requirements grow.

Condos, HOA & multifamily

Intercoms, access control, cameras, garages and common-area systems with service support for property managers, board members and building engineers.

Common condo / HOA support topics we handle include:

  • Chicago condo intercom upgrade
  • HOA access control repair Chicago
  • multifamily camera system service call
  • door strike repair for apartment entry
  • garage gate and entry access troubleshooting
  • building intercom not calling residents

Brands and platforms we work with

We work with a compact set of brands that are proven in real buildings, easy to service and have long-term support. This includes:

Click any logo to open the brand page with notes on how we use that platform in Chicago, North Shore and nearby suburban projects.

  • Brivo – cloud access control and mobile credentials.
  • Paxton – Net2 access control for small and mid-size sites.
  • 2N – IP video intercoms and access units for condos and offices.
  • Axis – network cameras for detailed coverage and analytics.
  • Hanwha – cameras and recorders for scalable video systems.
  • Ubiquiti – networking, Wi-Fi and UniFi Protect cameras.
  • HID – readers and credentials for professional access control.

Browse specific models in our catalog or open the individual brand pages to see how we use them in Chicago North Shore projects.

Security system installation and repair service in Chicago and the suburbs

We focus our field response on dense commercial and multifamily areas where system uptime directly affects business operations and tenant access: Chicago business districts, the North Shore, and suburbs with a strong mix of offices, restaurants, retail and managed buildings. That covers new installations, takeovers and service calls for security cameras, access control, intercoms, electric strikes and the network and power infrastructure behind them — the situations where a rear door that will not lock or an entry system that stops calling residents cannot wait. We are a local security cameras installer based in Winnetka, which keeps our response times to the North Shore and the O'Hare corridor realistic.

North Shore & north suburbs

Chicago neighborhoods

  • The Loop
  • West Loop
  • River North
  • Lincoln Park
  • Lakeview
  • Wicker Park

These are the areas we visit most, not a hard boundary — see the full list of city and suburb pages with local notes, or send us the address and we will confirm availability.

Main services

Security services for Chicago North Shore buildings

7DVR.com focuses on modern, network-based security systems for homes, small businesses, multifamily buildings and HOAs. Instead of pushing a single product, we design the whole system and then pick the right mix of cameras, controllers, intercoms and network gear from our equipment catalog.

CCTV & IP video

Security Cameras

Design and installation of IP cameras for entrances, parking, hallways and perimeter coverage with remote viewing and smart recording.

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Cards, fobs & mobile

Access Control Systems

Cloud and on-prem access control for doors, garages and elevators with fobs, cards and mobile credentials for residents and staff.

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Condos & HOAs

Video Intercoms & Entry

Video intercom systems for condo and HOA buildings — entry panels with phone apps, video calls and visitor management.

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Switches, PoE & routers

Networking & Wi-Fi for Security

Networking and Wi-Fi for security systems — PoE switches, gateways and access points sized for cameras, controllers, intercoms and low-voltage gear.

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Upgrades & retrofit

System Upgrades & Modernization

Step-by-step upgrade plans for existing DVR, coax and legacy access systems – add IP cameras, better coverage and new features without replacing everything at once.

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Cloud VMS & AI

Cloud & AI-powered Video

Cloud video platforms and AI analytics for people / vehicle detection, smart search and alerts – tuned for Chicago North Shore properties and real-world bandwidth limits.

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Design & consulting

Design for Renovations & New Builds

Security and low-voltage design for renovations and new construction – conduit, cabling, device locations and network layout coordinated with your GC, architect and trades.

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Who we work with

Single-family homes & townhomes

We help homeowners add or upgrade cameras, doorbells, intercoms and Wi-Fi without turning the house into a “science project”. We design simple, reliable layouts that work with how your family actually uses the property.

Condos, HOAs & multifamily buildings

For multifamily buildings we combine cameras, access control and intercoms into one plan: entrances, garages, elevators, mail rooms and common areas – with realistic cabling and network design for legacy and new construction. Looking for an intercom installer near you in Chicago? This is the work we do most.

Small business & offices

For shops, offices and small warehouses we focus on clean video coverage, controlled staff access and a network that can handle both office and security traffic without conflict or guesswork.

Existing system not working the way it should?

Many buildings already have cameras, access control or intercoms that are technically “installed” but nobody fully trusts them. We regularly take over and stabilise systems that were built by other vendors, including partial upgrades and clean-up after emergency fixes.

  • Unreliable video recording or missing footage when you actually need it.
  • Readers, doors or fobs that only work “sometimes”.
  • No documentation of how the system is wired or configured.
  • Old vendor disappeared, stopped answering calls or lost your configuration.

For new service clients we offer a 50% discount on the first service visit within our service area. During this visit we diagnose the system, document what is there and outline realistic next steps instead of forcing a full rip-and-replace.

Common service call requests we handle

  • Electric strike on the entry door does not release, or the door stays unlocked / does not latch correctly.
  • Access control panel or controller is offline and fobs/cards stop working at one or multiple doors.
  • Power supply or PoE switch fails and multiple cameras suddenly go offline after an outage or surge.
  • Recorder/NVR stops recording, storage is full, or playback is missing when an incident must be reviewed.
  • Intercom calls do not reach residents, audio/video is unreliable, or door release works intermittently.
  • Door readers beep but credentials are denied because of configuration, network or database sync issues.
  • Cameras lose image at night due to power, IR, exposure or network problems after weather changes.
  • Emergency service call is needed to stabilize a system before a full upgrade plan can be scheduled.

We built a dedicated Support & Service page for property managers, business owners and HOA boards who need security system repair service calls in Chicago, Elk Grove Village, Schaumburg, Rosemont and the North Shore.

Use the Contact page and briefly describe what is happening (or attach photos of panels and equipment). We will reply with a plan and an estimate for stabilising and improving your system.

Common support and repair requests we handle

Many clients first contact us because of a specific failure, not because they are planning a full new installation. The requests below reflect the real language used by business owners, office managers and HOA representatives in Chicago and nearby suburbs.

  • security camera repair Chicago
  • access control repair Chicago
  • door strike repair Chicago
  • intercom repair Chicago condo building
  • security system service call near Elk Grove Village
  • cameras offline after power outage Chicago
  • commercial security maintenance Chicago suburbs
  • HOA security system troubleshooting

If your issue sounds similar but the wording is different, send us the symptoms. We can usually identify whether the likely problem is door hardware, access control power, network/PoE, recorder storage, camera configuration or a combination of them.

How a typical project works

  1. 1. Short call or email. You describe the property, your concerns and goals – security, convenience, remote access, insurance, etc.
  2. 2. Site visit & documentation. We walk the building, review existing equipment and cabling, and take photos of key areas and panels.
  3. 3. Design & proposal. We create a practical design with a clear scope of work and an equipment list from our catalog.
  4. 4. Installation & configuration. We install, label and test everything, and make sure you can actually use the system without a manual.
  5. 5. Handover & support. You receive logins, documentation and a realistic maintenance plan, plus access to service and remote support.

Estimates for new projects are free. For ongoing support you can call us when something happens or arrange a maintenance plan for critical systems.

Planning your system: guides & examples

We are building a library of simple, practical guides that explain how modern security systems are put together in real Chicago North Shore buildings:

Even if your exact building type is not listed yet, the same principles apply. You can send us photos and a short description, and we will map them to one of these patterns.

Ready to talk about your building?

Starting from scratch, comparing quotes or trying to fix an existing system — we can help you choose a realistic plan for your property in Chicago and the North Shore.

Estimates for new projects are free, and new service clients receive a 50% discount on the first service visit.