Beta Williamson County, TX only — data and coverage are limited during early access.

1815 WALLIN LOOP, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,194 sqftBuilt 1999

Property at a Glance

This home is estimated between $201,291 and $396,984, with a best estimate of $254,164. That places the property below the R475498G - Jester Farms, All Sections median of $318,340, in a neighborhood that declined 5.4% over the past year.

Estimated Value Range

$201,291 $396,984
Best Estimate
$254,164
WCAD Value
$270,444
High Confidence

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

Based on 5 comparable properties in R475498G - Jester Farms, All Sections, this home's estimated market value is between $201,291 and $396,984. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1869 WALLIN LOOP, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,780 sqft Built 1998
Raw Value $322,334
Adjusted Value $201,291

Adjusted -$120,549 for 586 sqft less living space and -$494 for being older. Net adjustment: -$121,043.

1823 WALLIN LOOP, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 750 sqft Built 1999
Raw Value $297,672
Adjusted Value $389,009

Adjusted +$91,337 for 444 sqft more living space. Net adjustment: +$91,337.

1860 WALLIN LOOP, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,345 sqft Built 1998
Raw Value $285,721
Adjusted Value $254,164

Adjusted -$31,063 for 151 sqft less living space and -$494 for being older. Net adjustment: -$31,557.

1871 WALLIN LOOP, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 966 sqft Built 1998
Raw Value $350,575
Adjusted Value $396,984

Adjusted +$46,903 for 228 sqft more living space and -$494 for being older. Net adjustment: +$46,409.

1809 WALLIN LOOP, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,707 sqft Built 1999
Raw Value $317,122
Adjusted Value $211,591

Adjusted -$105,531 for 513 sqft less living space. Net adjustment: -$105,531.

The Neighborhood

This home is valued 15.0% below the R475498G - Jester Farms, All Sections median of $318,340. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 5.4% over the past year.

R475498G - Jester Farms, All Sections

below average
489 Properties
$318,340 Median Value
-5.4% YoY Change
1% Have Pool
100% Have Garage
This Home
$270,444
Median
$318,340

This home is -15.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $4,866 across all districts. With a homestead exemption claimed, that drops to $3,566 — 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%$2,415
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%$4,866

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $254,164 would pay approximately $1,586 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.

View full property details