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3985 LORD BYRON CIR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath2,322 sqftBuilt 2001

Property at a Glance

This home is estimated between $354,821 and $591,629, with a best estimate of $441,880. That places the property below 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

$354,821 $591,629
Best Estimate
$441,880
WCAD Value
$463,621
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 $354,821 and $591,629. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

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 $395,351

Adjusted -$129,606 for 453 sqft less living space and +$1,965 for being newer. Net adjustment: -$127,641.

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 $441,880

Adjusted -$14,878 for 52 sqft less living space and -$1,965 for being older. Net adjustment: -$16,843.

3905 LORD BYRON CIR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,006 sqft Built 2000
Raw Value $499,254
Adjusted Value $591,629

Adjusted +$90,410 for 316 sqft more living space and +$1,965 for being newer. Net adjustment: +$92,375.

4003 LORD BYRON CIR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,861 sqft Built 2001
Raw Value $509,032
Adjusted Value $354,821

Adjusted -$154,211 for 539 sqft less living space. Net adjustment: -$154,211.

3932 LORD BYRON CIR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,152 sqft Built 1999
Raw Value $432,884
Adjusted Value $485,452

Adjusted +$48,638 for 170 sqft more living space and +$3,930 for being newer. Net adjustment: +$52,568.

The Neighborhood

This home is valued 9.8% below the R550600D - Forest Creek Sec 15,16,19,31 median of $514,276. That positions it competitively for buyers comparing within the neighborhood. 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
$463,621
Median
$514,276

This home is -9.8% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,342 across all districts. With a homestead exemption claimed, that drops to $7,006 — saving $1,336 per year. That's $584 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%$4,141
Round RockCity0.3720%$1,725
Williamson CountyCounty0.3694%$1,713
Austin Community Collegespecial0.1034%$479
Williamson County FM/RdCounty0.0443%$206
Upper Brushy Creek WCIDWater0.0170%$79
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$8,342

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $441,880 would pay approximately $2,758 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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