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4212 FLAT STONE CT, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,900 sqftBuilt 2004

Property at a Glance

This home is estimated between $297,032 and $405,589, with a best estimate of $370,357. 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

$297,032 $405,589
Best Estimate
$370,357
WCAD Value
$381,531
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 $297,032 and $405,589. 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 $370,357

Adjusted -$477 for 2 sqft less living space and +$819 for being newer. Net adjustment: +$342.

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 $381,460

Adjusted +$12,397 for 52 sqft more living space. Net adjustment: +$12,397.

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 $405,589

Adjusted +$59,603 for 250 sqft more living space. Net adjustment: +$59,603.

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 $297,032

Adjusted -$100,133 for 420 sqft less living space. Net adjustment: -$100,133.

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 $315,031

Adjusted -$48,875 for 205 sqft less living space and -$1,638 for being older. Net adjustment: -$50,513.

The Neighborhood

This home is valued 11.5% 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
$381,531
Median
$430,980

This home is -11.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,305 across all districts. With a homestead exemption claimed, that drops to $5,984 — saving $1,321 per year. That's $499 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%$3,407
Williamson County MUD #10MUD0.3875%$1,478
Williamson CountyCounty0.3694%$1,410
Austin Community Collegespecial0.1034%$395
Williamson County ESD #9 - Round RockESD0.0999%$381
Williamson County FM/RdCounty0.0443%$169
Upper Brushy Creek WCIDWater0.0170%$65
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9147%$7,305

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $370,357 would pay approximately $2,312 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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