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

1404 GREEN DOWNS DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed1 bath1,521 sqftBuilt 1980

Property at a Glance

This home is estimated between $273,060 and $336,319, with a best estimate of $309,763. That places the property above 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

$273,060 $336,319
Best Estimate
$309,763
WCAD Value
$312,297
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 $273,060 and $336,319. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1303 GREEN DOWNS DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
2 bed 1 bath 1,112 sqft Built 1980
Raw Value $218,424
Adjusted Value $312,626

Adjusted +$94,202 for 409 sqft more living space. Net adjustment: +$94,202.

1102 GREEN DOWNS DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 1 bath 1,190 sqft Built 1981
Raw Value $233,874
Adjusted Value $309,763

Adjusted +$76,237 for 331 sqft more living space and -$348 for being older. Net adjustment: +$75,889.

1004 GREEN DOWNS DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
2 bed 1 bath 1,166 sqft Built 1982
Raw Value $255,252
Adjusted Value $336,319

Adjusted +$81,764 for 355 sqft more living space and -$697 for being older. Net adjustment: +$81,067.

1402 GREEN DOWNS DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
2 bed 1 bath 1,386 sqft Built 1980
Raw Value $246,775
Adjusted Value $277,868

Adjusted +$31,093 for 135 sqft more living space. Net adjustment: +$31,093.

1303 GREEN TERRACE DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,457 sqft Built 1993
Raw Value $262,847
Adjusted Value $273,060

Adjusted +$14,741 for 64 sqft more living space and -$4,528 for being older. Net adjustment: +$10,213.

The Neighborhood

This home is valued 17.5% above the R522492G - GREENSLOPES - DOVE CREEK - TWIN RIDGE median of $265,799. With 1,079 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 10.6% over the past year.

R522492G - GREENSLOPES - DOVE CREEK - TWIN RIDGE

above average
1,079 Properties
$265,799 Median Value
-10.6% YoY Change
2% Have Pool
90% Have Garage
This Home
$312,297
Median
$265,799

This home is +17.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $5,619 across all districts. With a homestead exemption claimed, that drops to $4,311 — saving $1,308 per year. That's $359 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%$2,789
Round RockCity0.3720%$1,162
Williamson CountyCounty0.3694%$1,154
Austin Community Collegespecial0.1034%$323
Williamson County FM/RdCounty0.0443%$138
Upper Brushy Creek WCIDWater0.0170%$53
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,619

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $309,763 would pay approximately $1,934 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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