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3982 LORD BYRON CIR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed3 bath2,013 sqftBuilt 2000

Property at a Glance

This home is estimated between $304,979 and $670,944, with a best estimate of $539,269. That places the property above the R550600D - Forest Creek Sec 15,16,19,31 median of $514,276, in a neighborhood that declined 8.7% over the past year.

Estimated Value Range

$304,979 $670,944
Best Estimate
$539,269
WCAD Value
$559,223
High Confidence

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

Based on 5 comparable properties in R550600D - Forest Creek Sec 15,16,19,31, this home's estimated market value is between $304,979 and $670,944. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3951 LORD BYRON CIR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,679 sqft Built 2001
Raw Value $505,526
Adjusted Value $599,121

Adjusted +$95,560 for 334 sqft more living space and -$1,965 for being older. Net adjustment: +$93,595.

4008 LORD BYRON CIR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
5 bed 3 bath 2,036 sqft Built 2000
Raw Value $545,849
Adjusted Value $539,269

Adjusted -$6,580 for 23 sqft less living space. Net adjustment: -$6,580.

3958 LORD BYRON CIR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,775 sqft Built 2000
Raw Value $522,992
Adjusted Value $304,979

Adjusted -$218,013 for 762 sqft less living space. Net adjustment: -$218,013.

3944 LORD BYRON CIR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,612 sqft Built 2000
Raw Value $556,215
Adjusted Value $670,944

Adjusted +$114,729 for 401 sqft more living space. Net adjustment: +$114,729.

3995 LORD BYRON CIR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,374 sqft Built 2002
Raw Value $458,723
Adjusted Value $351,509

Adjusted -$103,284 for 361 sqft less living space and -$3,930 for being older. Net adjustment: -$107,214.

The Neighborhood

This home is valued 8.7% above the R550600D - Forest Creek Sec 15,16,19,31 median of $514,276. With 274 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 8.7% over the past year.

R550600D - Forest Creek Sec 15,16,19,31

typical
274 Properties
$514,276 Median Value
-8.7% YoY Change
0% Have Pool
99% Have Garage
This Home
$559,223
Median
$514,276

This home is +8.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,062 across all districts. With a homestead exemption claimed, that drops to $8,708 — saving $1,354 per year. That's $726 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%$4,994
Round RockCity0.3720%$2,080
Williamson CountyCounty0.3694%$2,066
Austin Community Collegespecial0.1034%$578
Williamson County FM/RdCounty0.0443%$248
Upper Brushy Creek WCIDWater0.0170%$95
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$10,062

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $539,269 would pay approximately $3,366 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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