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1127 GREENBRIAR LOOP, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

2 bed2 bath919 sqftBuilt 1984

Property at a Glance

This home is estimated between $178,742 and $295,611, with a best estimate of $237,443. That places the property below the R522492G - GREENSLOPES - DOVE CREEK - TWIN RIDGE median of $265,799, in a neighborhood that declined 10.6% over the past year.

Estimated Value Range

$178,742 $295,611
Best Estimate
$237,443
WCAD Value
$225,500
High Confidence

Based on 5 comparable properties(5 in the same subdivision)

Based on 5 comparable properties in R522492G - GREENSLOPES - DOVE CREEK - TWIN RIDGE, this home's estimated market value is between $178,742 and $295,611. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1225 GREENBRIAR LOOP, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 864 sqft Built 1984
Raw Value $238,988
Adjusted Value $251,656

Adjusted +$12,668 for 55 sqft more living space. Net adjustment: +$12,668.

1414 CLEARVIEW LOOP, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 945 sqft Built 1994
Raw Value $305,082
Adjusted Value $295,611

Adjusted -$5,988 for 26 sqft less living space and -$3,483 for being older. Net adjustment: -$9,471.

1017 GREENBRIAR LOOP, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,232 sqft Built 1984
Raw Value $261,015
Adjusted Value $188,924

Adjusted -$72,091 for 313 sqft less living space. Net adjustment: -$72,091.

1207 GREENBRIAR LOOP, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,178 sqft Built 1984
Raw Value $238,395
Adjusted Value $178,742

Adjusted -$59,653 for 259 sqft less living space. Net adjustment: -$59,653.

1021 GREENBRIAR LOOP, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 864 sqft Built 1984
Raw Value $224,775
Adjusted Value $237,443

Adjusted +$12,668 for 55 sqft more living space. Net adjustment: +$12,668.

The Neighborhood

This home is valued 15.2% below the R522492G - GREENSLOPES - DOVE CREEK - TWIN RIDGE median of $265,799. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 10.6% over the past year.

R522492G - GREENSLOPES - DOVE CREEK - TWIN RIDGE

below average
1,079 Properties
$265,799 Median Value
-10.6% YoY Change
2% Have Pool
90% Have Garage
This Home
$225,500
Median
$265,799

This home is -15.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $4,057 across all districts. With a homestead exemption claimed, that drops to $2,765 — saving $1,292 per year. That's $230 per month a buyer should budget. The assessed value increased roughly in line with the neighborhood, so a tax protest is unlikely to yield significant savings.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$2,014
Round RockCity0.3720%$839
Williamson CountyCounty0.3694%$833
Austin Community Collegespecial0.1034%$233
Williamson County FM/RdCounty0.0443%$100
Upper Brushy Creek WCIDWater0.0170%$38
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$4,057

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $237,443 would pay approximately $1,482 per month (principal and interest only, excluding taxes and insurance).

Data sourced from Williamson County Appraisal District (WCAD), Texas Education Agency (TEA), and Federal Reserve Economic Data (FRED). Assessment values reflect the appraisal district's estimate, not market sale prices. Report generated 4/18/2026.

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