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1018 TWIN TERRACE CT, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed2 bath2,287 sqftBuilt 1999

Property at a Glance

This home is estimated between $467,774 and $867,019, with a best estimate of $747,395. That places the property above the R501598E - Forest Ridge, Small Lots median of $533,875, in a neighborhood that appreciated 4.6% over the past year.

Estimated Value Range

$467,774 $867,019
Best Estimate
$747,395
WCAD Value
$534,818
High Confidence

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

Based on 5 comparable properties in R501598E - Forest Ridge, Small Lots, this home's estimated market value is between $467,774 and $867,019. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1024 TWIN TERRACE CT, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,446 sqft Built 1999
Raw Value $519,735
Adjusted Value $467,774

Adjusted -$51,961 for 159 sqft less living space. Net adjustment: -$51,961.

1022 TWIN TERRACE CT, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,629 sqft Built 1999
Raw Value $651,984
Adjusted Value $867,019

Adjusted +$215,035 for 658 sqft more living space. Net adjustment: +$215,035.

1019 TWIN TERRACE CT, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,713 sqft Built 1999
Raw Value $537,573
Adjusted Value $725,157

Adjusted +$187,584 for 574 sqft more living space. Net adjustment: +$187,584.

1017 TWIN TERRACE CT, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,657 sqft Built 1999
Raw Value $541,510
Adjusted Value $747,395

Adjusted +$205,885 for 630 sqft more living space. Net adjustment: +$205,885.

1020 TWIN TERRACE CT, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,644 sqft Built 1999
Raw Value $542,614
Adjusted Value $752,747

Adjusted +$210,133 for 643 sqft more living space. Net adjustment: +$210,133.

The Neighborhood

This home is in line with the R501598E - Forest Ridge, Small Lots median of $533,875. The neighborhood appreciated 4.6% over the past year.

R501598E - Forest Ridge, Small Lots

typical
269 Properties
$533,875 Median Value
+4.6% YoY Change
0% Have Pool
99% Have Garage
This Home
$534,818
Median
$533,875

This home is +0.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,623 across all districts. With a homestead exemption claimed, that drops to $8,274 — saving $1,349 per year. That's $690 per month a buyer should budget. The assessed value increased +8.2% vs the subdivision average of +4.6%. 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%$4,776
Round RockCity0.3720%$1,990
Williamson CountyCounty0.3694%$1,976
Austin Community Collegespecial0.1034%$553
Williamson County FM/RdCounty0.0443%$237
Upper Brushy Creek WCIDWater0.0170%$91
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$9,623
33 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $747,395 would pay approximately $4,665 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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