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3637 TEXANA LOOP, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,444 sqftBuilt 2003

Property at a Glance

This home is estimated between $241,823 and $465,031, with a best estimate of $435,778. That places the property above the R402401F - Lakeside Sub Sec 1 median of $311,433, in a neighborhood that declined 11.3% over the past year.

Estimated Value Range

$241,823 $465,031
Best Estimate
$435,778
WCAD Value
$270,513
High Confidence

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

Based on 5 comparable properties in R402401F - Lakeside Sub Sec 1, this home's estimated market value is between $241,823 and $465,031. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3633 TEXANA LOOP, ROUND ROCK, TX 78665
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,083 sqft Built 2004
Raw Value $326,872
Adjusted Value $435,778

Adjusted +$106,438 for 361 sqft more living space and -$3,767 for being older and +$6,235 for having a pool. Net adjustment: +$108,906.

3641 TEXANA LOOP, ROUND ROCK, TX 78665
0.01 mi 100% similar Same subdivision
3 bed 1,676 sqft Built 2004
Raw Value $307,759
Adjusted Value $241,823

Adjusted -$68,404 for 232 sqft less living space and -$3,767 for being older and +$6,235 for having a pool. Net adjustment: -$65,936.

3645 TEXANA LOOP, ROUND ROCK, TX 78665
0.02 mi 100% similar Same subdivision
4 bed 2 bath 1,340 sqft Built 2004
Raw Value $412,179
Adjusted Value $445,311

Adjusted +$30,664 for 104 sqft more living space and -$3,767 for being older and +$6,235 for having a pool. Net adjustment: +$33,132.

3640 TEXANA LOOP, ROUND ROCK, TX 78665
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,523 sqft Built 2004
Raw Value $276,473
Adjusted Value $255,648

Adjusted -$23,293 for 79 sqft less living space and -$3,767 for being older and +$6,235 for having a pool. Net adjustment: -$20,825.

3629 TEXANA LOOP, ROUND ROCK, TX 78665
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,014 sqft Built 2004
Raw Value $335,780
Adjusted Value $465,031

Adjusted +$126,783 for 430 sqft more living space and -$3,767 for being older and +$6,235 for having a pool. Net adjustment: +$129,251.

The Neighborhood

This home is valued 13.1% below the R402401F - Lakeside Sub Sec 1 median of $311,433. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 11.3% over the past year.

R402401F - Lakeside Sub Sec 1

typical
135 Properties
$311,433 Median Value
-11.3% YoY Change
1% Have Pool
100% Have Garage
This Home
$270,513
Median
$311,433

This home is -13.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $4,867 across all districts. With a homestead exemption claimed, that drops to $3,567 — saving $1,300 per year. That's $297 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%$2,416
Round RockCity0.3720%$1,006
Williamson CountyCounty0.3694%$999
Austin Community Collegespecial0.1034%$280
Williamson County FM/RdCounty0.0443%$120
Upper Brushy Creek WCIDWater0.0170%$46
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$4,867

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $435,778 would pay approximately $2,720 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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