What Is a Smart Apartment? A Guide for Owners, Operators and Residents

Resident using the Della Resident app in an apartment kitchen
Nov 11, 2026
Adam Hepworth

The short answer: a smart apartment is a rental unit with connected technology, such as a smart lock, smart thermostat, leak sensors and smart lighting, that the resident controls from one app and the property manages centrally. The best smart apartments are tied to the lease: the resident's access, Wi-Fi and services switch on at move-in and switch off at move-out, without anyone entering data twice.

What makes an apartment "smart"?

A smart apartment is different from a smart home. In a smart home, the owner buys and sets up their own devices. In a smart apartment, the property owns the technology, keeps it running, and hands it over to each new resident, often several times a year. That changes what "smart" has to mean:

  • Residents want everything in one app that works from the day they move in.
  • Site teams need to give and take away access, reset devices and spot problems without visiting every unit.
  • Owners want the same experience in every building, even when the hardware differs, and a way to measure the return.

What smart devices do renters expect?

The five that come up most often in apartment communities:

  1. Smart lock or digital key: unlock the unit, front door and amenities from a phone, and send guest or delivery passes.
  2. Smart thermostat: adjust climate from anywhere; the property can set back vacant units automatically.
  3. Leak sensors and water shutoff: catch a leak early and, where a valve is installed, stop it before it spreads.
  4. Video intercom or building entry: see and let in visitors from the phone.
  5. Smart lighting or switches: convenience for residents and an easy way to set up a unit for a self guided tour.

Behind all five, residents also expect reliable Wi-Fi that works on move-in day, package notifications, amenity booking and maintenance requests in the same app.

How does a smart apartment work?

Each device connects to the building's network, usually over Wi-Fi, Zigbee, Z-Wave or Bluetooth. A platform brings the devices together and links them to the property management system (PMS), which knows who lives in each unit and when their lease starts and ends.

When a lease is signed, the platform issues the resident's digital keys, sets up their Wi-Fi, takes the thermostat out of vacant mode and opens their account in the resident app. At move-out, it reverses every step and opens a turnover work order. The resident gets a unit that is ready when they arrive; the site team skips a list of manual updates.

Are smart apartments worth it for owners?

For most owners, the return comes from four places:

  • Labor: fewer lockouts, key handoffs, manual access changes and trips to vacant units.
  • Resident experience and retention: one app for the things residents do every day, and fewer reasons to call the office.
  • Asset protection and energy: leak detection and vacant unit setbacks. Savings depend on the building and how it is run.
  • Leasing: self guided tours and a unit that is "smart" on day one, which renters increasingly expect.

One example: Regius Square, a community of 124 units in Salt Lake City managed by Asset Living, connected its smart locks, thermostats, access control and intercoms into one platform and one resident app. The property reported 43% fewer resident complaints and 35% lower energy costs. That is one property's result, and every building is different. Read the case study.

Smart apartment vs. smart building

A smart apartment is the technology inside each unit. A smart building connects the whole property: units, entrances, amenities, parking, packages and common area systems, plus the people who run them. The two work best together, because a resident's day doesn't stop at their own front door. Read our guide to smart buildings.

What to look for in a smart apartment platform

  1. It acts on your PMS so move-in, transfer and move-out happen automatically.
  2. It works with the locks, thermostats and sensors you already own, and is clear about what, if anything, must be replaced.
  3. It gives residents one app for doors, guests, packages, amenities, climate and maintenance.
  4. It works offline where it matters, so a network outage doesn't lock anyone out.
  5. It runs the same way across your portfolio, even when buildings have different hardware.
  6. Local integrators install and support it, so problems get fixed by people who know the building.

Where Della OS fits

Della OS is a smart building and smart apartment platform for multifamily, student housing and condominium communities. Residents use the Della Resident app for digital keys, guests, amenities, packages, climate and maintenance. Property teams run everything from Della Connect. Occupancy Sync uses the PMS's lease events to set up and remove each resident's access and services automatically, across the hardware a property already owns. Your PMS runs the business. Della runs the building.

Book a walkthrough to see a smart apartment running on Della OS.

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