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

1105 GREEN DOWNS DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

2 bed1 bath1,040 sqftBuilt 1982

Property at a Glance

This home is estimated between $167,781 and $278,772, with a best estimate of $202,538. 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

$167,781 $278,772
Best Estimate
$202,538
WCAD Value
$221,789
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 $167,781 and $278,772. 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 $202,538

Adjusted -$16,583 for 72 sqft less living space and +$697 for being newer. Net adjustment: -$15,886.

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 $199,674

Adjusted -$34,548 for 150 sqft less living space and +$348 for being newer. Net adjustment: -$34,200.

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 $226,231

Adjusted -$29,021 for 126 sqft less living space. Net adjustment: -$29,021.

1202 GREEN DOWNS DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
2 bed 1 bath 896 sqft Built 1980
Raw Value $244,909
Adjusted Value $278,772

Adjusted +$33,166 for 144 sqft more living space and +$697 for being newer. Net adjustment: +$33,863.

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 $167,781

Adjusted -$79,691 for 346 sqft less living space and +$697 for being newer. Net adjustment: -$78,994.

The Neighborhood

This home is valued 16.6% 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
$221,789
Median
$265,799

This home is -16.6% below the subdivision median.

Tax Analysis

The estimated annual property tax is $3,991 across all districts. With a homestead exemption claimed, that drops to $2,699 — saving $1,292 per year. That's $225 per month a buyer should budget. The assessed value increased -4.0% vs the subdivision average of -10.6%. This above-average increase gives a protest opportunity score of 33 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$1,981
Round RockCity0.3720%$825
Williamson CountyCounty0.3694%$819
Austin Community Collegespecial0.1034%$229
Williamson County FM/RdCounty0.0443%$98
Upper Brushy Creek WCIDWater0.0170%$38
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$3,991
33 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $202,538 would pay approximately $1,264 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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