Beta Williamson County, TX only — data and coverage are limited during early access.

1012 GREENBRIAR CV, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath904 sqftBuilt 1984

Property at a Glance

This home is estimated between $199,290 and $282,603, with a best estimate of $238,761. 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

$199,290 $282,603
Best Estimate
$238,761
WCAD Value
$226,256
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 $199,290 and $282,603. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1011 FAIRLAWN CV, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
2 bed 2 bath 919 sqft Built 1984
Raw Value $242,216
Adjusted Value $238,761

Adjusted -$3,455 for 15 sqft less living space. Net adjustment: -$3,455.

1011 PARKSIDE CIR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,163 sqft Built 1983
Raw Value $258,595
Adjusted Value $199,290

Adjusted -$59,653 for 259 sqft less living space and +$348 for being newer. Net adjustment: -$59,305.

1011 GREENBRIAR LOOP, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
2 bed 2 bath 919 sqft Built 1984
Raw Value $242,812
Adjusted Value $239,357

Adjusted -$3,455 for 15 sqft less living space. Net adjustment: -$3,455.

1018 GREENBRIAR CV, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 728 sqft Built 1984
Raw Value $242,066
Adjusted Value $282,603

Adjusted +$40,537 for 176 sqft more living space. Net adjustment: +$40,537.

1016 GREENBRIAR CV, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
2 bed 2 bath 916 sqft Built 1984
Raw Value $241,198
Adjusted Value $238,434

Adjusted -$2,764 for 12 sqft less living space. Net adjustment: -$2,764.

The Neighborhood

This home is valued 14.9% 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

typical
1,079 Properties
$265,799 Median Value
-10.6% YoY Change
2% Have Pool
90% Have Garage
This Home
$226,256
Median
$265,799

This home is -14.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $4,071 across all districts. With a homestead exemption claimed, that drops to $2,779 — saving $1,292 per year. That's $232 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%$2,021
Round RockCity0.3720%$842
Williamson CountyCounty0.3694%$836
Austin Community Collegespecial0.1034%$234
Williamson County FM/RdCounty0.0443%$100
Upper Brushy Creek WCIDWater0.0170%$38
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$4,071

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $238,761 would pay approximately $1,490 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.

View full property details