Apartments for Rent in Brentwood, Allegheny County, PA

Prices and availability in Brentwood, Allegheny County, PA were last updated on 29 May 2026.

The best apartments in Brentwood, Allegheny County, PA are: 3028 Elroy Ave and Hillcrest Residences.

The average rent in Brentwood, Allegheny County, PA is $797.

In Brentwood 28% of the housing is rented out compared to 72% of homes are owned, according to the most recent Census Bureau estimates. 11% of Brentwood's apartments are found in large buildings of 50 units or more, 76% are located in smaller apartment complexes with less than 50 units, and 13% are single-family rentals.

The age and size of multifamily buildings are among the most visible characteristics of the rental market in a city. In this case, the apartment buildings in Brentwood are about 57 years old, on average. Of these, 4% have been built since 2000, representing the newer options on the market and typically offering more amenities. Rental buildings in the city have an average height of 3 stories. About all of the rental communities here are low-rise, garden-style communities, none are mid-rises, and none are high-rise buildings. These are true especially for large-scale multifamily buildings with over 50 apartments.

Rental apartments in Brentwood come in a range of sizes and floorplans. Studio apartments represent 16% of units for rent, ideal for singles, renters on a budget and people who value central locations more than space. Rentals with 1-bedroom floorplans make up 55% of the total apartments in the city, while 2-bedroom floorplans represent around 21% of all rentals in Brentwood. The rest are larger floorplans with 3 bedrooms or more, typically preferred by families, larger households or roommates sharing space.