The San Antonio, TX, zip codes with the most new apartments

Over the last decade, developers completed more than 60,000 apartments across San Antonio, reflecting the city’s rapid population growth and continued expansion across multiple corridors. Understanding where construction has concentrated can help renters identify areas with the most housing options, newer inventory, and access to major employment centers.

Which San Antonio zip codes saw the most new apartment construction?

Living in San Antonio offers the scale and amenities of a major U.S. city with a cost structure that continues to attract new residents from across Texas and beyond. The cost of living in San Antonio is 1% lower than the state average and 8% lower than the national average, making it an appealing option for those seeking affordability without sacrificing urban opportunity.

To help renters navigate this expanding market, we’ve identified the San Antonio zip codes where new apartment development has been most concentrated.

4,842 new apartments put zip code 78253 at the top of San Antonio’s construction list

Zip code 78253 added 4,842 new apartments, making it the most active area for new apartment construction in San Antonio over the past decade. The zip code covers much of the far west side beyond Loop 1604, including rapidly developing areas along Culebra Road and State Highway 211.

Employment access includes Lackland Air Force Base, Joint Base San Antonio facilities, the South Texas Medical Center, and major corporate campuses on the northwest side. Downtown San Antonio is typically reachable in approximately 25–35 minutes by car. Public transit coverage exists but remains limited compared to inner-city neighborhoods.

Zip code 78245 added 4,315 new apartments

Zip code 78245 gained 4,315 new apartments, reflecting sustained development on San Antonio’s west side near Lackland Air Force Base. The area extends west and south of the base toward Highway 90 and Loop 1604.

Lackland Air Force Base and the broader Joint Base San Antonio complex serve as the area’s primary employment anchors, with additional access to downtown offices and medical facilities within a typical 20–25 minute drive. Most residents rely on personal vehicles, as transit service is concentrated along major corridors.

3,971 new apartments expand housing options in zip code 78257

Zip code 78257 added 3,971 new apartments, continuing residential growth along San Antonio’s north side beyond Loop 1604. The area represents a northern extension of established development patterns centered around Highway 281 and Interstate 10.

The South Texas Medical Center lies approximately 15–20 minutes south, while downtown employment centers are generally reachable within 25–35 minutes. The area is primarily car-oriented, with limited public transit coverage.

Zip code 78256 delivered 3,859 new apartments

Zip code 78256 added 3,859 new apartments, reinforcing its role as one of San Antonio’s most established areas for residential development. The zip code sits along U.S. Highway 281 north of Loop 1604.

Major employment centers include the South Texas Medical Center, corporate offices along the northwest corridor, and downtown San Antonio, typically accessed within a 20–30 minute drive. While some bus service is available, most daily travel occurs by car.

3,775 new apartments grow zip code 78258’s inventory

Zip code 78258 added 3,775 new apartments, representing continued buildout within San Antonio’s broader north-side development corridor. The area lies between Highway 281 and Interstate 10, connecting residential neighborhoods with regional employment hubs.

Employment destinations include Joint Base San Antonio facilities, medical and research institutions, and downtown offices, generally reachable within 20–30 minutes. As with much of the city, personal transportation remains the primary mode of travel.

Top 5 zip codes for new apartments in San Antonio, TX

* Total new apartments completed between 2015 and 2025.

Source:
RentCafe.com analysis of Yardi data as of July 2025

San Antonio’s apartment development over the past decade reflects a metro area expanding outward rather than upward. Construction has concentrated in areas offering available land, highway access, and proximity to major employment centers — particularly along Loop 1604 and the west side.

Steady population growth, military activity, and continued expansion in healthcare and professional services support long-term demand for rental housing. While new supply has entered multiple submarkets, development remains closely tied to infrastructure growth and job access.

Methodology

RentCafe.com is a nationwide apartment search website that enables renters to easily find apartments and houses for rent throughout the U.S.

This study uses data from 2015–2025, with the ‘past decade’ referring to this period.