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Apartments for Rent in OST - South Union, Houston, TX

87 rentals available

3814 Luca St - Photo 1 of 1
3D tour

5d+ ago

OST - South Union house for rent in Houston

Detached,Traditional, Detached - Houston, TX

3814 Luca St, Houston, TX 77021

In-unit laundry | Air conditioning | Hardwood floor

5 beds

2 baths

$1,895

House for rent

5-bed Houston house with granite kitchen & parking

Located in OST - South Union, this 5-bed, 2-bath house features an open kitchen with granite counters and gas range connecting to the family room. The 1,711 sqft layout includes in-unit laundry, hardwood and tile floors, plus a large fenced backyard with double-wide driveway for four cars. Top-rated schools within half a mile.

6004 Schroeder Road - Photo 1 of 1

5d+ ago

OST - South Union apartment for rent in Houston

6004 K&D Schroeder - 6004-9

6004 Schroeder Road, Houston, TX 77021

On-site laundry

2 beds

1 bath

$1,300

Apartment for rent

Available Feb 17

Renovated 2-bed apartment near Medical Center

Quietly set in OST - South Union, this 2-bed, 1-bath apartment features new appliances, hardwood floors, and granite countertops throughout. The recently renovated unit includes central heating and air, ceiling fans in all rooms, and assigned parking. Located within the inner loop near light rail, with easy access to the Medical Center, downtown, University of Houston, and Texas Southern University.

5150 Oasis Park #1 - Photo 1 of 1

5d+ ago

OST - South Union house for rent in Houston

5150 Oasis Park #1, Houston, TX 77021

In-unit laundry | Furnished | Air conditioning

1 bed

1 bath

$900

House for rent

Available Dec 1

Furnished room near University of Houston

This furnished 1-bed, 1-bath house in OST - South Union sits minutes from University of Houston, downtown, and major highways I-45 and I-610. The 144 sqft private room includes hardwood floors, high vaulted ceilings, walk-in closet, and shared access to in-unit laundry, dishwasher, and fenced backyard in a gated community.

3655 Seabrook St #6 - Photo 1 of 1

5d+ ago

OST - South Union house for rent in Houston

2 beds

1 bath

$1,000

House for rent

Description

Nice 2 Bedroom 1 Bath With 1600 Sf

4007 Corder St #4345 - Photo 1 of 1

5d+ ago

OST - South Union apartment for rent in Houston

Apartments in South Side ..gourmet kitchens and custom cabinets

4007 Corder St #4345, Houston, TX 77021

Air conditioning | On-site laundry | Balcony

2 beds

1 bath

$885

Apartment for rent

2-bed apartment near Medical Center & downtown

A 2-bed apartment in Houston, TX's OST - South Union neighborhood, this 814 sqft unit sits minutes from the Medical Center, University of Houston, and downtown via Metro Busline 52. The apartment includes a dishwasher, air conditioning, balcony, and walk-in closet, with onsite laundry and controlled access in the gated community.

5924 Schroeder Rd #3038 - Photo 1 of 1

5d+ ago

OST - South Union apartment for rent in Houston

reduced rents apartment in South Side

5924 Schroeder Rd #3038, Houston, TX 77021

In-unit laundry | Furnished | Air conditioning

2 beds

1 bath

$895

Apartment for rent

Renovated 2-bed apartment near UH and Med Center

Apartment in OST - South Union, this 2-bed, 1-bath unit features granite countertops, hardwood floors, and in-unit laundry in a 900 sqft layout. Recently renovated with new black appliances and central air, the apartment includes a balcony and walk-in closets. Close to University of Houston, Texas Southern University, and the Medical Center with light rail access nearby.

5520 Griggs Rd #3039 - Photo 1 of 1

5d+ ago

OST - South Union apartment for rent in Houston

Incredible community in South Side4 weeks free

5520 Griggs Rd #3039, Houston, TX 77021

In-unit laundry | Air conditioning | Walk-in closets

1 bed

1 bath

$1,030

Apartment for rent

1-bed apartment with in-unit laundry & pool

Apartment with 1 bed in OST - South Union, this 1-bed, 1-bath unit spans 1,003 sqft with high ceilings and a walk-in closet. In-unit laundry, dishwasher, and air conditioning add convenience, while the gated community includes a pool, business center, and controlled access. Pet-friendly with $15 monthly rent for cats or dogs.

5520 Griggs Rd #3040 - Photo 1 of 1

5d+ ago

OST - South Union apartment for rent in Houston

Very nice apartment in South Side4 weeks free

5520 Griggs Rd #3040, Houston, TX 77021

In-unit laundry | Air conditioning | Walk-in closets

2 beds

2 baths

$1,241

Apartment for rent

2-bed apartment with in-unit laundry & pool

Right in OST - South Union, this 2-bed, 2-bath apartment offers 1,322 sqft with high ceilings and walk-in closets. In-unit laundry, dishwasher, and air conditioning add convenience, while the gated community includes a pool, business center, and controlled access. Pet-friendly with $15 monthly rent for cats or dogs.

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6 Old Spanish Trail @ Del Rio St #3041 - Photo 1 of 1

5d+ ago

OST - South Union apartment for rent in Houston

one month free discover your brand-new luxury apartment in South Side

6 Old Spanish Trail @ Del Rio St #3041, Houston, TX 77021

In-unit laundry | Furnished | Air conditioning

1 bed

1 bath

$1,200

Apartment for rent

1-bed apartment near Texas Medical Center

A apartment in OST - South Union, this 1-bed, 1-bath unit offers 1,003 sqft with in-unit laundry and a dishwasher. Nine-foot ceilings, European-style cabinetry, and a walk-in closet add comfort, while the gated community provides direct freeway access. Minutes from Hermann Park, the Texas Medical Center, and Downtown Houston.

6 Old Spanish Trail @ Del Rio St #3042 - Photo 1 of 1

5d+ ago

OST - South Union apartment for rent in Houston

4 weeks free luxury chic apartment in South Side!!

6 Old Spanish Trail @ Del Rio St #3042, Houston, TX 77021

In-unit laundry | Furnished | Air conditioning

2 beds

2 baths

$1,383

Apartment for rent

2-bed apartment near Medical Center & Downtown

Set in OST - South Union, this 2-bed, 2-bath apartment offers 1,322 sqft with nine-foot ceilings and European-style cabinetry. In-unit laundry, dishwasher, walk-in closets, and energy-efficient appliances complete the layout. Located minutes from Texas Medical Center, Downtown, Hermann Park, and major freeways for easy commuting.

5924 Schroeder Rd #3037 - Photo 1 of 1

5d+ ago

OST - South Union apartment for rent in Houston

1.5 months freeurban retreat apartment in South Side

5924 Schroeder Rd #3037, Houston, TX 77021

In-unit laundry | Furnished | Air conditioning

1 bed

1 bath

$795

Apartment for rent

Renovated 1-bed apartment near UH and Med Center

This 800 square-foot apartment in OST - South Union includes granite countertops, hardwood floors, and in-unit laundry. The 1-bed, 1-bath layout features central heat and air, ceiling fans, walk-in closets, and a private balcony. Located close to University of Houston, Texas Southern University, and the Medical Center with light rail access nearby.

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Home > Apartments in Houston > OST - South Union Apartments For Rent
Updated: June 25, 2026

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Learn more about renting in OST - South Union, Houston, TX

What is the average rent for a 1-bedroom apartment in OST - South Union, Houston, TX?

One-bedroom apartments in OST - South Union average around $900 per month in 2025. These units typically offer around 911 square feet of living space.

What is the average rent for a 2-bedroom apartment in OST - South Union, Houston, TX?

Two-bedroom apartments in OST - South Union rent for around $1,100 per month in 2025. These units average approximately 913 square feet in size.

What is the average rent for a 3-bedroom apartment in OST - South Union, Houston, TX?

Three-bedroom apartments in OST - South Union average around $2,100 per month in 2025. These larger units offer around 1,504 square feet of living space.

How much does it cost to rent an apartment in OST - South Union, Houston, TX?

OST - South Union's rental market averaged around $1,100 per month across all property types in 2025, down 10.8% from the previous year. Rent varies by unit size, with studios at around $800, one-bedrooms at around $900, two-bedrooms at around $1,100, and three-bedrooms at around $2,100.

What is the average apartment size in OST - South Union, Houston, TX?

Apartments in OST - South Union average around 1,091 square feet across all unit types. Size varies by bedroom count, with studios averaging 59 square feet, one-bedrooms around 911 square feet, two-bedrooms around 913 square feet, and three-bedrooms around 1,504 square feet.

What type of apartment is most common in OST - South Union, Houston, TX?

Two-bedroom apartments are the most common rental type in OST - South Union, with about 33 listings available monthly. One-bedroom and three-bedroom units follow closely with approximately 29 and 31 listings respectively.

Why OST - South Union, Houston is a great place to live

We've analyzed data from the last few years to understand what makes OST - South Union a desirable neighborhood for renters. It appears that this area excels in catering to two key lifestyle trends: social life and pet friendliness.

For those who value an active social life, OST - South Union offers a unique blend of advantages. Its high transit frequency, well-designed street infrastructure, and diverse neighborhood age distribution all contribute to a dynamic community. Additionally, the area's strong safety record and excellent walk score make it an ideal spot for exploring local amenities.

Pet owners will also find OST - South Union to be an excellent choice, with many apartments offering pet-friendly features such as dedicated pet spaces, pet-safe windows, and suitable flooring. The neighborhood also hosts pet events and provides outdoor spaces for pets to enjoy. With no breed restrictions and a relaxed pet policy, this area is perfect for renters with furry friends.

What type of apartment is least common in OST - South Union, Houston, TX?

Studio apartments are the least common rental type in OST - South Union, with about 2 listings available monthly. The neighborhood sees much higher availability in larger unit types, with two-bedrooms being most prevalent at around 33 monthly listings.

Methodology: How we got this data

Zumper’s proprietary rental data fuels our analysis. Rent and market trends, availability, neighborhood popularity, and lifestyle scores are all calculated using real-time and 2026 rental inventory and prices.

Our Lifestyle Categories ("great for eco-living," "great for social life," "great for pet owners," etc.) are determined by set criteria, against which we score each listing and its available features. At the neighborhood level, we calculate the listing count for each category to determine which lifestyles best fit each area.

Zumper, founded in 2012, is North America’s largest privately-owned rental platform, offering over 1 million listings across the U.S. and Canada. Stay informed on the latest trends and shifts in the rental market with our monthly National Rent Report, your go-to resource for key insights into the evolving rental landscape.

Looking for apartments in OST - South Union, Houston, TX near you?

🔑Available apartment rentals87
💰Best rent deal5924 Schroeder Rd #3037
Popular amenities, ,
🧦In-unit laundry
🍽With dishwasher
🏠With photos