5+ Days Ago
Highlights
Pet Friendly
Location
6721 Madrid St #6721, Houston, TX 77021, USA|OST - South Union
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Property Overview
Located in a value-rich area, this property is recognized for its proximity to essential amenities, including a top-rated high school just under a mile away and grocery stores within a 2.8-mile radius. Additionally, pet owners will find convenience with multiple nearby pet supply stores and grooming services. Accessibility is enhanced with public transport available within 1.8 miles, making it a well-rounded option for potential residents.
This summary uses Zumper’s proprietary data. “Things you’ll love” and “Great for” are based on our internal analyses of market trends and renter insights.
Things you’ll love
Less expensive- High school nearby
Great for
Pet owners
Amenities for 6721 Madrid St #6721, OST - South Union
Apartment Amenities
| Air Conditioning |
Building
| Cats OK | Dogs OK |
Grounds
| Outdoor Space |
Units, floor plans, amenities, dimensions, details, availability, and prices may be approximate and subject to change. Please contact a community representative for more information.
Policies and fees
Applicants
Applicants
One-time.
Contact Property
REQUIRED FEES
Security Deposit
One-time. Refundable.
Contact Property
Dog Policy
Allowed
Cat Policy
Allowed
Contact for more information on pet policy.
Questions about this property’s policies and fees?
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About 6721 Madrid St #6721
Sweet deal!
This listing is 24% below the median price for 4 bedroom apartments in OST - South Union.
Welcome home! This charming 4-bedroom, 2-bathroom home offers an abundance of natural light and an open living room concept. The home boasts a beautiful kitchen complete with new cabinets, granite countertops and stainless-steel appliances. Additional renovations include vinyl flooring, double pane windows, roof, A/C and plumbing. The backyard is spacious and complete with a privacy fence perfect for entertaining. Easy access to 610 and minutes away from NRG Stadium, the Medical Center, University of Houston, TSU and Downtown Houston. Ready for immediate move-in.
Property highlights
We compared every listing in the surrounding area to determine which amenities are most common. If a building lacks an amenity that most others in the area have, it is a con. If a building has an amenity most others in the area do not, it is a pro. Similarly, price, schools, and size are calculated relative to the size, price, and distance to schools of the other properties nearby.How 6721 Madrid St #6721 compares to other nearby properties.
Positives
- Less expensive
- The 4-bedrooms are cheaper than other similar listings nearby
- High school nearby
- There is a high school 1 mile away
Address details
| Neighborhood | OST - South Union |
|---|---|
| Zip code | 77021 |
| Type | Apartment for rent |
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Rent trends in OST - South Union
4-bedroom apartments at 6721 Madrid St #6721 cost about 24% less than the average rent price for 4-bedroom apartments in Houston.
Median rents as of Mar 21 2026.
OST - South Union
Houston
| Month | Median Rent |
|---|---|
| April 2024 | $2,126 |
| May 2024 | $2,089 |
| June 2024 | $2,102 |
| July 2024 | $2,103 |
| August 2024 | $2,060 |
| September 2024 | $2,039 |
| October 2024 | $2,028 |
| November 2024 | $2,028 |
| December 2024 | $2,068 |
| January 2025 | $2,082 |
| February 2025 | $2,090 |
| March 2025 | $2,105 |
| April 2025 | $2,197 |
| May 2025 | $2,187 |
| June 2025 | $2,188 |
| July 2025 | $2,175 |
| August 2025 | $2,168 |
| September 2025 | $2,149 |
| October 2025 | $2,161 |
| November 2025 | $2,160 |
| December 2025 | $2,241 |
| January 2026 | $2,250 |
| February 2026 | $2,235 |
| March 2026 | $2,266 |
| Month | Median Rent |
|---|---|
| April 2024 | $1,495 |
| May 2024 | $1,745 |
| June 2024 | $1,631 |
| July 2024 | $1,895 |
| August 2024 | $1,895 |
| September 2024 | $1,837 |
| October 2024 | $1,799 |
| November 2024 | $1,799 |
| January 2025 | $1,721 |
| February 2025 | $1,789 |
| March 2025 | $1,619 |
| April 2025 | $1,612 |
| May 2025 | $1,605 |
| June 2025 | $1,637 |
| July 2025 | $1,740 |
| August 2025 | $1,926 |
| September 2025 | $1,993 |
| October 2025 | $1,983 |
| November 2025 | $2,035 |
| December 2025 | $2,012 |
| January 2026 | $2,107 |
| February 2026 | $2,400 |
| March 2026 | $2,391 |
Affordability calculator
Can I afford to live at 6721 Madrid St #6721?
Bedrooms
4+ bedroomsRent-to-income ratio
30%
Slide to adjust the percentage of your monthly income you are willing to spend on rent.
The general rule of thumb is to spend around 30% or less of your income on rent.
Recommended income
$71,800/yr
With your selected rent-to-income ratio, you'd ideally want to make $71,800 annually to afford this 4-bedrooms monthly rent price of $1,795.
For more information on rent affordability, visit our rent calculator.
Schools near 6721 Madrid St #6721
Hartsfield Elementary School
5001 perry st
houston, TX, 77021
PK, K-5Public
C
Community Services
1102 telephone rd
houston, TX, 77023
K-12Public
C+
Ninfa R. Laurenzo Early Childhood Center
205 n delmar
houston, TX, 77011
PK, KPublic
B-
Sheldon Lake Elementary School
13002 sheldon community dr
houston, TX, 77044
1-5Public
C+
Galena Park ISD PEP Child Care Center
1906 2nd st
galena park, TX, 77547
PKPublic
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Internet available near 6721 Madrid St #6721
Neighborhood
OST - South Union | Houston, TX
NEIGHBORHOOD VIBE
Peaceful and quiet
Noise-canceling headphones not required in this mostly noise free area.
Getting around Houston near 6721 Madrid St #6721
Walking
5/10
Some shops and stores are within a few minutes.
Driving
8/10
Commuting is easy with multiple accessible routes and plenty of parking.
Cycling
6/10
More spots are within biking distance and some roads are cyclist-friendly.
Transit
4/10
There are a few mass transit options within the area.
Points of interest for 6721 Madrid St #6721, Houston
Groceries
6/10
At least one supermarket within a 20-minute walk
Shopping
5/10
Several shops within walking distance
Cafes
4/10
Some cafés within walking distance
Restaurants
5/10
Some restaurants within a few minutes’ walk
Primary schools
8/10
At least one elementary school within a 15-minute walk
High schools
4/10
At least one high school within a 20-minute walk
Parks
6/10
Large amount of park space nearby
Nightlife
3/10
Some bars within walking distance
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