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3829 OCTAVIA LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath3,037 sqftBuilt 2004

Property at a Glance

This home is estimated between $577,032 and $941,464, with a best estimate of $901,380. That places the property above the L498506D - VILLAGE AT MAYFIELD median of $510,992, in a neighborhood that declined 5.8% over the past year.

Estimated Value Range

$577,032 $941,464
Best Estimate
$901,380
WCAD Value
$559,069
High Confidence

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

Based on 5 comparable properties in L498506D - VILLAGE AT MAYFIELD, this home's estimated market value is between $577,032 and $941,464. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3825 OCTAVIA LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,868 sqft Built 2006
Raw Value $530,458
Adjusted Value $577,032

Adjusted +$47,115 for 169 sqft more living space and -$541 for being older. Net adjustment: +$46,574.

3821 OCTAVIA LN, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
3 bed 2 bath 2,616 sqft Built 2006
Raw Value $489,521
Adjusted Value $606,350

Adjusted +$117,370 for 421 sqft more living space and -$541 for being older. Net adjustment: +$116,829.

3816 OCTAVIA LN, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
4 bed 2 bath 1,860 sqft Built 2007
Raw Value $614,141
Adjusted Value $941,464

Adjusted +$328,135 for 1,177 sqft more living space and -$812 for being older. Net adjustment: +$327,323.

3809 OCTAVIA LN, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
4 bed 2 bath 2,077 sqft Built 2006
Raw Value $658,513
Adjusted Value $925,609

Adjusted +$267,637 for 960 sqft more living space and -$541 for being older. Net adjustment: +$267,096.

3805 OCTAVIA LN, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,919 sqft Built 2006
Raw Value $590,235
Adjusted Value $901,380

Adjusted +$311,686 for 1,118 sqft more living space and -$541 for being older. Net adjustment: +$311,145.

The Neighborhood

This home is valued 9.4% above the L498506D - VILLAGE AT MAYFIELD median of $510,992. With 696 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 5.8% over the past year.

L498506D - VILLAGE AT MAYFIELD

typical
696 Properties
$510,992 Median Value
-5.8% YoY Change
1% Have Pool
100% Have Garage
This Home
$559,069
Median
$510,992

This home is +9.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,059 across all districts. With a homestead exemption claimed, that drops to $8,706 — saving $1,353 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%$4,993
Round RockCity0.3720%$2,080
Williamson CountyCounty0.3694%$2,065
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%$10,059

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $901,380 would pay approximately $5,626 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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