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4201 FLAT STONE CT, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,902 sqftBuilt 2005

Property at a Glance

This home is estimated between $296,690 and $500,516, with a best estimate of $381,118. That places the property below the R417506E - TERAVISTA R4 median of $430,980, in a neighborhood that declined 4.6% over the past year.

Estimated Value Range

$296,690 $500,516
Best Estimate
$381,118
WCAD Value
$370,015
High Confidence

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

Based on 5 comparable properties in R417506E - TERAVISTA R4, this home's estimated market value is between $296,690 and $500,516. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4209 FLAT STONE CT, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,848 sqft Built 2004
Raw Value $369,063
Adjusted Value $381,118

Adjusted +$12,874 for 54 sqft more living space and -$819 for being older. Net adjustment: +$12,055.

4210 FLAT STONE CT, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,650 sqft Built 2004
Raw Value $345,986
Adjusted Value $405,247

Adjusted +$60,080 for 252 sqft more living space and -$819 for being older. Net adjustment: +$59,261.

4207 FLAT STONE CT, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,320 sqft Built 2004
Raw Value $397,165
Adjusted Value $296,690

Adjusted -$99,656 for 418 sqft less living space and -$819 for being older. Net adjustment: -$100,475.

1102 STONE SLOPE CT, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,105 sqft Built 2002
Raw Value $365,544
Adjusted Value $314,689

Adjusted -$48,398 for 203 sqft less living space and -$2,457 for being older. Net adjustment: -$50,855.

1103 STONE SLOPE CT, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,664 sqft Built 2003
Raw Value $445,412
Adjusted Value $500,516

Adjusted +$56,742 for 238 sqft more living space and -$1,638 for being older. Net adjustment: +$55,104.

The Neighborhood

This home is valued 14.1% below the R417506E - TERAVISTA R4 median of $430,980. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 4.6% over the past year.

R417506E - TERAVISTA R4

typical
1,632 Properties
$430,980 Median Value
-4.6% YoY Change
1% Have Pool
99% Have Garage
This Home
$370,015
Median
$430,980

This home is -14.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,085 across all districts. With a homestead exemption claimed, that drops to $5,766 — saving $1,319 per year. That's $481 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%$3,305
Williamson County MUD #10MUD0.3875%$1,434
Williamson CountyCounty0.3694%$1,367
Austin Community Collegespecial0.1034%$383
Williamson County ESD #9 - Round RockESD0.0999%$370
Williamson County FM/RdCounty0.0443%$164
Upper Brushy Creek WCIDWater0.0170%$63
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9147%$7,085

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $381,118 would pay approximately $2,379 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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