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3801 OCTAVIA LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath3,008 sqftBuilt 2004

Property at a Glance

This home is estimated between $553,395 and $933,379, with a best estimate of $893,295. 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

$553,395 $933,379
Best Estimate
$893,295
WCAD Value
$558,069
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 $553,395 and $933,379. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3805 OCTAVIA LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,919 sqft Built 2006
Raw Value $590,235
Adjusted Value $893,295

Adjusted +$303,601 for 1,089 sqft more living space and -$541 for being older. Net adjustment: +$303,060.

3809 OCTAVIA LN, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
4 bed 2 bath 2,077 sqft Built 2006
Raw Value $658,513
Adjusted Value $917,525

Adjusted +$259,553 for 931 sqft more living space and -$541 for being older. Net adjustment: +$259,012.

3800 OCTAVIA LN, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
3 bed 2 bath 2,910 sqft Built 2004
Raw Value $526,074
Adjusted Value $553,395

Adjusted +$27,321 for 98 sqft more living space. Net adjustment: +$27,321.

3901 VALLARTA LN, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
3 bed 2 bath 3,031 sqft Built 2004
Raw Value $603,714
Adjusted Value $597,302

Adjusted -$6,412 for 23 sqft less living space. Net adjustment: -$6,412.

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 $933,379

Adjusted +$320,050 for 1,148 sqft more living space and -$812 for being older. Net adjustment: +$319,238.

The Neighborhood

This home is valued 9.2% 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
$558,069
Median
$510,992

This home is +9.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,041 across all districts. With a homestead exemption claimed, that drops to $8,688 — saving $1,353 per year. That's $724 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%$4,984
Round RockCity0.3720%$2,076
Williamson CountyCounty0.3694%$2,062
Austin Community Collegespecial0.1034%$577
Williamson County FM/RdCounty0.0443%$247
Upper Brushy Creek WCIDWater0.0170%$95
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$10,041

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $893,295 would pay approximately $5,576 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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