The Abbreviation for Apartment: What Is It and How Is It Used?

If you’re looking for the correct definition and way to abbreviate the word apartment, you’ve come to the right place! In our short and sweet guide, we’ll review the correct abbreviation for this word, its definitions, its history, synonyms, and much more.

Let’s start with the main question—what are the common abbreviations for apartment?

There is only one abbreviation for the word apartment:

  •     Apt.

This abbreviation can also be written with any variation of capitalization and punctuation: Apt., apt., Apt, etc. The plural can be abbreviated as apts.  


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Apt. 5

123 Wilshire Ct.

Los Angeles, CA 90210

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What Does Apartment Mean? defines apartment as: 


  • a room or a group of related rooms, among similar sets in one building, designed for use as a dwelling.
  • a building containing or made up of such rooms.
  • any separated room or group of rooms in a house or other dwelling:
    We heard cries from an apartment at the back of the house.
  • apartments, British. a set of rooms used as a dwelling by one person or one family.”

Synonyms for Apartment

According to, apartment has the following synonyms:

The History Of The Word

The word apartment entered the English language in the 1640’s, according to The Online Etymology Dictionary. The word evolved from the Italian appartimento, meaning “a separated place.” It is also derived from the Latin word partem, or “a part, piece, a division.”

The earliest record of the word being used for a British flat comes from 1863. The phrase “apartment house” dates from  1870.

When to Use the Abbreviation

The abbreviation of the word apartment is mostly used in casual contexts and in postal  addresses. The USPS advises that APT is the preferred abbreviation for postal addressing. You’re most likely to find the abbreviation apt. in real estate listings or advertisements.  

For example:

FOR RENT—2nd Flr. Apt. available. 2bed/1bath. Util. and elec. not included. Hardwood floors in kitchen/dining room. Wall-to-wall carpet in living room. Dishwasher and washer/dryer hookup. Unfinished bsmt. $1,500/month. 

The abbreviation is not commonly used outside of headlines, addresses, ad listings, and forms.

Examples of the Word and Abbreviation in Context

Turning a nondescript New York rental into a homey, Instagram-worthy apartment can be a real challenge.

—Curbed New York

An investor bought an apartment building on the non-oceanfront side of Sunny Isles Beach for $7.56 million.

—The Real Deal

Apartment complex fire displaces 8 families| PIQUA — A fire at a Piqua apartment complex displaced eight families on Monday morning.

—Troy News Daily

SELLING POINTS: Goodwill sells Astoria apt. building for $35M 

—Real Estate Weekly

Early morning Lawrence Apt. building fire under investigation | LAWRENCE, Kan. (WIBW) Nobody was seriously injured in an early morning fire that caused nearly half a million dollars damage to a Lawrence Apartment Building.

—Channel 13 WIBW