Apartments for Rent in Brentwood, Allegheny County, PA

Prices and availability in Brentwood, Allegheny County, PA were last updated on 5 Jun 2026.

The best apartments in Brentwood, Allegheny County, PA are: 4140-4146 DALEWOOD ST., Hillcrest Residences and 2940 Brevard Ave.

The average rent in Brentwood, Allegheny County, PA is $828.

In Brentwood, 28% of the residents are renting compared to 72% owning a home, according to data from the U.S. Census Bureau. Large-scale apartment buildings with more than 50 units represent 11% of Brentwood's rentals, 76% are small-scale complexes with under 50 units, and 13% are single-family rentals.

The average age of rental buildings in Brentwood is 59 years old, with 4% being newer apartment buildings completed since 2000. The average height of apartment buildings in the city is 3 stories, of which all are garden-style apartment communities, none are mid-sized buildings, and none are high-rises. These characteristics describe large-scale apartment communities of 50 apartments or more.

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 57% of the total apartments in the city, while 2-bedroom floorplans represent around 19% 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.