Building Networks, Security and IT for Commercial Real Estate in Northern Virginia
Tenants kept apart, building systems locked down, and one team accountable for the closets, risers, cameras and doors.
IT and building technology for commercial real estate gives every tenant suite, camera, door reader and building controller its own secure lane on one shared building network.
This page is for property managers, owners and developers of office buildings, retail centers, mixed-use properties and medical plazas. DistrictConnects designs, cables and manages the building network, installs cameras and access control as a Virginia DCJS licensed electronic security provider, and deals with the ISPs and building system vendors on your behalf.
- 2,000+Network devices deployed
- 500+Security devices deployed
- 24/7Monitoring of the building network devices we manage
What makes a building network different
An office network serves one company. A building network serves every tenant, the management office and a dozen systems installed by different contractors over the years.
- One backbone, many tenants. Shared MDF and IDF rooms, risers, fiber and patch panels carry everyone’s traffic. Each tenant needs its own VLAN, SSID and policy, built on structured cabling that is labeled and mapped.
- Building systems installed without a network plan. HVAC, elevators, signage, chargers and door controllers often arrive with default passwords on a flat network. They belong on isolated segments behind a business firewall.
- Tenants with their own rules. A medical suite under the HIPAA Security Rule, a restaurant taking cards under PCI DSS and a contractor handling CUI under NIST SP 800-171 should never share risk with the suite next door.
- Tenant turnover. Every move-out leaves dead ports and stale VLANs, and every move-in needs a clean handoff. A written suite standard makes each turnover repeatable.
- Licensed security work. Cameras and alarm devices are electronic security equipment under Va. Code § 9.1-138, and installing without a license is a Class 1 misdemeanor. DistrictConnects is licensed and bonded, and every technician meets DCJS training requirements. License number available to clients on request.
- Too many vendors. The ISP, the camera company, the door company and the IT provider each blame the other. One team running the network and Wi-Fi, cameras and access control removes the finger-pointing.
Blocking tenants from each other by default and documenting every port turns the building network into something you can hand to the next tenant with confidence.
Risks we see in this industry
Building systems on a flat network
HVAC controllers, elevators, meters, signage, EV chargers and door controllers often go in on the same network as everything else, with default passwords. One weak device becomes a way into the rest of the building.
Tenants who can see each other
Shared switches and one Wi-Fi network for every suite mean an infected laptop in one tenant's office can reach another tenant's printers, file shares and cameras. Blocking tenant-to-tenant traffic should be the default.
An ISP router as the only defense
The router the carrier left behind was built to deliver internet, not to separate tenants, building systems and guests. Without a business firewall and managed switching there are no VLANs, no rules and no logs.
One circuit for the whole building
When the only line drops, tenants lose internet, cloud-managed cameras stop uploading and remote door management goes dark. Calls to the carrier start with the property manager on hold.
Closets nobody can read
Unlabeled patch panels, dead ports from tenants long gone and no port map in the MDF and IDF rooms. Every move-in turns into a hunt, and every troubleshooting call starts with tracing cables by hand.
Video that is not there when a claim arrives
A slip-and-fall, a damaged car or an after-hours break-in gets reported weeks later, and the recorder has overwritten it or stopped recording. Retention was never planned against how claims actually come in.
Compliance and insurance requirements
- Virginia DCJS licensing Cameras and alarm devices that protect a building count as electronic security equipment in Virginia, and installing security systems without a DCJS license is a Class 1 misdemeanor. Ask any camera or door vendor for their license before they start.
- PCI DSS for payment points Parking pay stations and retail or restaurant tenants that take cards bring PCI DSS into the building. Card devices need their own network segment with no route from guest Wi-Fi or other tenants.
- Tenants under HIPAA and CUI rules Medical tenants protect patient data under the HIPAA Security Rule, and government contractors handle controlled unclassified information under NIST SP 800-171. Shared building infrastructure must not put their networks at risk.
- Cyber insurance questionnaires Insurers ask owners and managers about MFA, segmentation, backups and who can reach building systems remotely. Documented VLANs, firewall rules and access logs make those answers true and easy to prove.
Services that matter most
Heat-mapped design, UniFi, Meraki, Aruba
Structured Cabling and Low Voltage
CAT6A, fiber, racks and closet cleanup
Deployment, rules and ongoing administration
AI detection, NDAA-compliant options
Readers, strikes and mobile credentials
Dual ISP and automatic LTE backup
Monitoring, patching, help desk, onboarding
UniFi gateways, switching and Wi-Fi
How we start
Building walkthrough
We walk the MDF, IDF rooms, risers, common areas and a sample of suites with your property manager, and list every system on the network: tenants, Wi-Fi, cameras, doors, HVAC, elevators, signage and chargers.
Inventory and vendor map
We record the ISP circuits, firewall and switches, who holds admin access to each building system and which vendor is responsible for what, so there is one picture of the building instead of five.
Design and itemized quote
You get a VLAN plan per tenant and building system, the firewall and Wi-Fi design, camera and door layouts, cabling and closet work, and backup internet. The quote is itemized so it can be phased by budget.
Closets and cabling
We clean up the MDF and IDF rooms, remove abandoned cable, label every patch panel and port, run new Cat6, Cat6A or fiber to suites and risers where needed, and hand over port maps.
Segment and secure
Building systems move to isolated networks, tenants are blocked from each other, cameras and door controllers get their own VLANs, and remote access is limited to approved people with multi-factor sign-in.
Tenant standard and ongoing support
We write a tenant suite handoff standard for ports, VLANs and labeling, monitor the network devices 24/7, and handle ISP and vendor calls for you. Agreements are month to month.
Service area
On-site across Northern Virginia and DC.
Prince William
- Manassas
- Haymarket
Arlington and Alexandria
- Arlington
- Alexandria
DC and Maryland
Common questions
What do IT services for commercial real estate cover?
The building side of the network: firewalls, managed switching, Wi-Fi for common areas and amenity spaces, separate networks for each tenant and building system, structured cabling in the MDF, IDF rooms and risers, security cameras, access control and backup internet. We can also provide managed IT for the property management office, so one team answers for the whole building.
Why does VLAN segmentation matter in a multi-tenant building?
VLANs split one physical network into separate ones. Each tenant, the cameras, the door system, HVAC and guests get their own, with firewall rules deciding what may talk to what. A compromised camera or tenant laptop then cannot reach anyone else, which limits the damage from a breach and the owner's liability when a tenant with HIPAA or PCI duties shares the building.
Is the router from our internet provider enough?
No. A carrier router is designed to deliver internet to one customer. It cannot separate tenants, building systems and guests, log what happens or apply real firewall rules. A multi-tenant building needs a business firewall and managed switches so each network is isolated, monitored and documented. The carrier's equipment can stay as the handoff in front of it.
What happens if the building internet goes down?
For clients under an SLA, a building-wide outage is handled as the top priority. We contact the carrier and manage the ticket so your property manager does not have to sit on hold. With a cellular backup line on the firewall, traffic switches over automatically, typically in under a minute, so common area Wi-Fi, cloud cameras and door management keep working.
Do you support smart building and IoT systems?
Yes. Meters, HVAC controllers and sensors, digital signage, elevators and EV chargers each go on their own segmented network, with only the outbound connections their vendor actually needs. Vendors get remote access through approved, logged accounts instead of a modem or an open port. That way a weak device stays contained instead of becoming a way into tenant networks.
Can you work with our contractor on new construction or a renovation?
Yes, and the earlier the better. We work with general contractors and architects during design on low voltage pathways, closet and server room layout, rack power, access point and camera positions and door hardware. Planning before the walls close costs far less than opening them later, and the suites are ready for tenants on handover.
We manage several properties. Can you standardize them?
Yes. We build one template for firewall rules, VLANs, Wi-Fi, labeling and camera retention, then apply it property by property. Every site is documented the same way and monitored from one place, so troubleshooting does not depend on who installed what. Your managers get one contact for every building instead of a different vendor at each address.
Do you provide on-site service across the region?
Yes. We are based in Herndon and work on-site across Northern Virginia and Washington DC, plus Montgomery County, Maryland, with remote support for every property. Our team works 7 days a week, 7am to 7pm, and new inquiries get a reply the same day. Camera and access control installs are done under our Virginia DCJS license.