Greater Ost-South Union, located between OST and South Union, is a residential and institutional Houston neighborhood with mid-century brick homes and broad, tree-lined streets. The neighborhood’s character concentrates around the University of Houston campus edge near Calhoun Rd and Wheeler Ave, where student-foot-traffic, coffee counters, and campus venues set the daily rhythm. Architectural lines lean ranch-style and postwar infill, with deep setbacks and long driveways. University of Houston’s Cullen Performance Hall and the Blaffer Art Museum act as cultural anchors, while TDECU Stadium brings game-day energy. Green breaks appear at nearby MacGregor Park, and METRORail access at Palm Center Transit Center links the area to Downtown.
Provided by Walk Score and Local Logic
Market insights
6507 Calhoun Rd · $1,300,000
DAYS ON MARKET
7 days
The average home goes pending in 40 days.
SALE-TO-LIST
97.4%
Most homes are selling 3% below list price.
LIST PRICE
$1,300,000
Median sale price in this area is $337,005. (74% lower than this home)
PRICE DROP
0 price drops
25% of homes in this area have had a price drop in the past month.
Property details
Exterior
Exterior features
Located in the South Side subdivision
Home design
Built in 2007
Construction
Living area approximately 6480 (living area provided by listing)
Sale and tax history for 6507 Calhoun Rd
Sale History
Tax History
Date
Event
Price
FSBO.com #cmsywscjb00gms601tdpx5p0x
Aug 18, 2026
Listed
$1,300,000
$201/sq ft
Public Records
Jan 1, 2001
Sold
*
Year
Property tax
Land + Additions
Assessment*
2025
$33,170 (+3.1%)
$935,000 + $625,801
$1,560,801
2024
$32,179 (+14.2%)
2023
$28,169 (+184.9%)
2022
$9,887 (+69.0%)
2021
$5,851 (+14.0%)
2020
$5,132 (−32.9%)
$82,500 + $131,388
$213,888
2019
$7,645 (+5.3%)
2018
$7,262 (+8.0%)
$247,500 + $39,500
$287,000
2017
$6,725 (+9.9%)
2016
$6,119 (+9.7%)
2015
$5,577 (+8.5%)
2014
$5,141 (+0.5%)
$137,500 + $62,500
$200,000
2013
$5,118 (−7.5%)
$137,500 + $62,500
$200,000
2012
$5,531 (+9.3%)
$137,500 + $62,500
$200,000
2011
$5,058 (−18.1%)
2010
$6,180 (+109.9%)
2009
$2,945
Public record
Public record
Permits
Beds
3
Baths
2
Stories
1
Lot width
—
Lot depth
—
Lot size
1.26 Acres
Year renovated
2007
Finished Sq. Ft.
2,100
Unfinished Sq. Ft.
—
Total Sq. Ft.
2,100
Year built
2007
Style
Single Family Residential
County
Harris County
APN
0540310000007
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Jul 23, 2026.
Jun 30, 2022 • Final
E1-addl-elect
Construct a residential addition in accordance with building and energy conservation codes.
Addition
Electrical
Jun 30, 2022 • Final
Electrical pmt
Construct a residential addition in accordance with building and energy conservation codes.
Addition
Electrical
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Climate risks
9/10 Flood Factor
Estimated 80%+ chance of a flood reaching the building in the next 30 years
1/10 Fire Factor
Unlikely to be in a wildfire in next 30 years
9/10 Heat Factor
7 days above 109° expected this year, 23 days in 30 years
9/10 Wind Factor
99% chance of strong winds in next 30 years
2/10 Air Factor
2 unhealthy days expected this year, 2 days in 30 years
Provided by First Street
Historical weather
Houston, TX • 77021
Average low and high temperatures (°F)
62
46
72
54
80
61
82
68
86
71
91
78
93
78
95
80
91
75
87
69
78
61
70
54
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
84/ 100
Very good sunlight
Sunscore
There appears to be minimal shading by surrounding buildings, terrain, and vegetation.
8.8 hrs
5.3 hrs
JuneDecember
Provided by Shadowmap
Redfin Estimate for 6507 Calhoun Rd
There isn’t enough information to generate an accurate estimate at this time. Learn More