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3821 OCTAVIA LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath2,616 sqftBuilt 2006

Property at a Glance

This home is estimated between $442,240 and $838,403, with a best estimate of $808,780. 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

$442,240 $838,403
Best Estimate
$808,780
WCAD Value
$489,521
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 $442,240 and $838,403. 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 $460,203

Adjusted -$70,255 for 252 sqft less living space. Net adjustment: -$70,255.

3829 OCTAVIA LN, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
4 bed 2 bath 3,037 sqft Built 2004
Raw Value $559,069
Adjusted Value $442,240

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

3820 OCTAVIA LN, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,950 sqft Built 2006
Raw Value $652,730
Adjusted Value $838,403

Adjusted +$185,673 for 666 sqft more living space. Net adjustment: +$185,673.

3816 OCTAVIA LN, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
4 bed 2 bath 1,860 sqft Built 2007
Raw Value $614,141
Adjusted Value $824,634

Adjusted +$210,764 for 756 sqft more living space and -$271 for being older. Net adjustment: +$210,493.

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 $808,780

Adjusted +$150,267 for 539 sqft more living space. Net adjustment: +$150,267.

The Neighborhood

This home is valued 4.2% below the L498506D - VILLAGE AT MAYFIELD median of $510,992. That positions it competitively for buyers comparing within the neighborhood. 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
$489,521
Median
$510,992

This home is -4.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,808 across all districts. With a homestead exemption claimed, that drops to $7,467 — saving $1,341 per year. That's $622 per month a buyer should budget. The assessed value increased +0.9% vs the subdivision average of -5.8%. This above-average increase gives a protest opportunity score of 34 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$4,372
Round RockCity0.3720%$1,821
Williamson CountyCounty0.3694%$1,809
Austin Community Collegespecial0.1034%$506
Williamson County FM/RdCounty0.0443%$217
Upper Brushy Creek WCIDWater0.0170%$83
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$8,808
34 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $808,780 would pay approximately $5,048 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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