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4205 FLAT STONE CT, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,510 sqftBuilt 2003

Property at a Glance

This home is estimated between $204,870 and $313,427, with a best estimate of $278,195. 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

$204,870 $313,427
Best Estimate
$278,195
WCAD Value
$316,013
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 $204,870 and $313,427. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4201 FLAT STONE CT, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,902 sqft Built 2005
Raw Value $370,015
Adjusted Value $278,195

Adjusted -$93,458 for 392 sqft less living space and +$1,638 for being newer. Net adjustment: -$91,820.

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 $289,299

Adjusted -$80,583 for 338 sqft less living space and +$819 for being newer. Net adjustment: -$79,764.

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 $313,427

Adjusted -$33,378 for 140 sqft less living space and +$819 for being newer. Net adjustment: -$32,559.

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 $204,870

Adjusted -$193,114 for 810 sqft less living space and +$819 for being newer. Net adjustment: -$192,295.

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 $222,870

Adjusted -$141,855 for 595 sqft less living space and -$819 for being older. Net adjustment: -$142,674.

The Neighborhood

This home is valued 26.7% 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

below average
1,632 Properties
$430,980 Median Value
-4.6% YoY Change
1% Have Pool
99% Have Garage
This Home
$316,013
Median
$430,980

This home is -26.7% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,051 across all districts. With a homestead exemption claimed, that drops to $4,742 — saving $1,309 per year. That's $395 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%$2,822
Williamson County MUD #10MUD0.3875%$1,225
Williamson CountyCounty0.3694%$1,168
Austin Community Collegespecial0.1034%$327
Williamson County ESD #9 - Round RockESD0.0999%$316
Williamson County FM/RdCounty0.0443%$140
Upper Brushy Creek WCIDWater0.0170%$54
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9147%$6,051

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $278,195 would pay approximately $1,736 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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