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3945 LORD BYRON CIR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed2 bath1,617 sqftBuilt 2001

Property at a Glance

This home is estimated between $283,747 and $559,611, with a best estimate of $453,384. 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

$283,747 $559,611
Best Estimate
$453,384
WCAD Value
$505,107
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 $283,747 and $559,611. 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 $487,787

Adjusted -$17,739 for 62 sqft less living space. Net adjustment: -$17,739.

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 $559,611

Adjusted +$1,431 for 5 sqft more living space and +$1,965 for being newer. Net adjustment: +$3,396.

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 $389,924

Adjusted -$111,295 for 389 sqft less living space and +$1,965 for being newer. Net adjustment: -$109,330.

3955 LORD BYRON CIR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
6 bed 3 bath 1,816 sqft Built 2000
Raw Value $508,354
Adjusted Value $453,384

Adjusted -$56,935 for 199 sqft less living space and +$1,965 for being newer. Net adjustment: -$54,970.

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 $283,747

Adjusted -$153,067 for 535 sqft less living space and +$3,930 for being newer. Net adjustment: -$149,137.

The Neighborhood

This home is valued 1.8% 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
$505,107
Median
$514,276

This home is -1.8% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,088 across all districts. With a homestead exemption claimed, that drops to $7,745 — saving $1,343 per year. That's $645 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%$4,511
Round RockCity0.3720%$1,879
Williamson CountyCounty0.3694%$1,866
Austin Community Collegespecial0.1034%$522
Williamson County FM/RdCounty0.0443%$224
Upper Brushy Creek WCIDWater0.0170%$86
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$9,088

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $453,384 would pay approximately $2,830 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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