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1804 GREENHILL DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,146 sqftBuilt 1981

Property at a Glance

This home is estimated between $209,800 and $259,172, with a best estimate of $229,457. That places the property below the R463489I - Greenhill Sec 1,3,5 median of $237,198, in a neighborhood that declined 16.7% over the past year.

Estimated Value Range

$209,800 $259,172
Best Estimate
$229,457
WCAD Value
$224,228
Medium Confidence

Based on 5 comparable properties(4 in the same subdivision)

Based on 5 comparable properties (4 in the same subdivision, 1 nearby), the estimated range is $209,800 and $259,172. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

3 bed 2 bath 1,138 sqft Built 1982
Raw Value $254,431
Adjusted Value $259,172

Adjusted +$1,622 for 8 sqft more living space and +$3,119 for being newer. Net adjustment: +$4,741.

1806 BRADMORE DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,284 sqft Built 1979
Raw Value $249,467
Adjusted Value $215,257

Adjusted -$27,973 for 138 sqft less living space and -$6,237 for being older. Net adjustment: -$34,210.

1810 DENFIELD DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,228 sqft Built 1979
Raw Value $232,658
Adjusted Value $209,800

Adjusted -$16,621 for 82 sqft less living space and -$6,237 for being older. Net adjustment: -$22,858.

102 BARRHALL DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,098 sqft Built 1979
Raw Value $251,872
Adjusted Value $255,365

Adjusted +$9,730 for 48 sqft more living space and -$6,237 for being older. Net adjustment: +$3,493.

1903 DENFIELD DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
2 bed 2 bath 1,040 sqft Built 1979
Raw Value $214,208
Adjusted Value $229,457

Adjusted +$21,486 for 106 sqft more living space and -$6,237 for being older. Net adjustment: +$15,249.

The Neighborhood

This home is valued 5.5% below the R463489I - Greenhill Sec 1,3,5 median of $237,198. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 16.7% over the past year.

R463489I - Greenhill Sec 1,3,5

typical
286 Properties
$237,198 Median Value
-16.7% YoY Change
2% Have Pool
82% Have Garage
This Home
$224,228
Median
$237,198

This home is -5.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $4,034 across all districts. With a homestead exemption claimed, that drops to $2,743 — saving $1,291 per year. That's $229 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%$2,003
Round RockCity0.3720%$834
Williamson CountyCounty0.3694%$828
Austin Community Collegespecial0.1034%$232
Williamson County FM/RdCounty0.0443%$99
Upper Brushy Creek WCIDWater0.0170%$38
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$4,034

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $229,457 would pay approximately $1,432 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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