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3812 LAGOONA DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,227 sqftBuilt 2003

Property at a Glance

This home is estimated between $198,024 and $538,104, with a best estimate of $278,270. That places the property below the L498506D - VILLAGE AT MAYFIELD median of $510,992, in a neighborhood that declined 5.8% over the past year.

Estimated Value Range

$198,024 $538,104
Best Estimate
$278,270
WCAD Value
$492,291
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in L498506D - VILLAGE AT MAYFIELD. The estimated range of $198,024 and $538,104 should be treated as a rough guide.

Comparable Properties (5)

3 bed 1,232 sqft Built 2011
Raw Value $141,391
Adjusted Value $198,024

Adjusted -$1,394 for 5 sqft less living space and -$2,166 for being older and +$60,193 for having a garage. Net adjustment: +$56,633.

3 bed 2 bath 1,254 sqft Built 1984
Raw Value $270,083
Adjusted Value $267,699

Adjusted -$7,527 for 27 sqft less living space and +$5,143 for being newer. Net adjustment: -$2,384.

4 bed 2 bath 1,186 sqft Built 1994
Raw Value $407,186
Adjusted Value $421,052

Adjusted +$11,430 for 41 sqft more living space and +$2,436 for being newer. Net adjustment: +$13,866.

3 bed 2 bath 940 sqft Built 2002
Raw Value $457,821
Adjusted Value $538,104

Adjusted +$80,012 for 287 sqft more living space and +$271 for being newer. Net adjustment: +$80,283.

3 bed 2 bath 1,212 sqft Built 1982
Raw Value $268,403
Adjusted Value $278,270

Adjusted +$4,182 for 15 sqft more living space and +$5,685 for being newer. Net adjustment: +$9,867.

The Neighborhood

This home is valued 3.7% 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
$492,291
Median
$510,992

This home is -3.7% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,812 across all districts. With a homestead exemption claimed, that drops to $8,199 — saving $1,613 per year. That's $683 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
Leander ISDSchool1.0869%$5,351
Round RockCity0.3720%$1,831
Williamson CountyCounty0.3694%$1,819
Austin Community Collegespecial0.1034%$509
Williamson County FM/RdCounty0.0443%$218
Upper Brushy Creek WCIDWater0.0170%$84
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9931%$9,812

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $278,270 would pay approximately $1,737 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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