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1903 ZEPHYR LN, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,355 sqftBuilt 2002

Property at a Glance

This home is estimated between $244,369 and $335,507, with a best estimate of $294,923. That places the property below the R604482H - KENSINGTON / WINDY TERRACE 1985 AND OLDER median of $312,111, in a neighborhood that declined 9.7% over the past year.

Estimated Value Range

$244,369 $335,507
Best Estimate
$294,923
WCAD Value
$307,804
High Confidence

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

Based on 5 comparable properties in R604482H - KENSINGTON / WINDY TERRACE 1985 AND OLDER, this home's estimated market value is between $244,369 and $335,507. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1906 ZEPHYR LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,254 sqft Built 1991
Raw Value $315,078
Adjusted Value $335,507

Adjusted +$21,219 for 101 sqft more living space and -$790 for being older. Net adjustment: +$20,429.

2020 ZEPHYR LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,519 sqft Built 1985
Raw Value $324,683
Adjusted Value $289,007

Adjusted -$34,455 for 164 sqft less living space and -$1,221 for being older. Net adjustment: -$35,676.

2013 ZEPHYR LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,581 sqft Built 1985
Raw Value $293,071
Adjusted Value $244,369

Adjusted -$47,481 for 226 sqft less living space and -$1,221 for being older. Net adjustment: -$48,702.

2101 ZEPHYR LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,208 sqft Built 1985
Raw Value $265,261
Adjusted Value $294,923

Adjusted +$30,883 for 147 sqft more living space and -$1,221 for being older. Net adjustment: +$29,662.

2105 ZEPHYR LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,519 sqft Built 1985
Raw Value $341,382
Adjusted Value $305,706

Adjusted -$34,455 for 164 sqft less living space and -$1,221 for being older. Net adjustment: -$35,676.

The Neighborhood

This home is valued 1.4% below the R604482H - KENSINGTON / WINDY TERRACE 1985 AND OLDER median of $312,111. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 9.7% over the past year.

R604482H - KENSINGTON / WINDY TERRACE 1985 AND OLDER

typical
459 Properties
$312,111 Median Value
-9.7% YoY Change
2% Have Pool
94% Have Garage
This Home
$307,804
Median
$312,111

This home is -1.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,538 across all districts. With a homestead exemption claimed, that drops to $4,231 — saving $1,307 per year. That's $353 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%$2,749
Round RockCity0.3720%$1,145
Williamson CountyCounty0.3694%$1,137
Austin Community Collegespecial0.1034%$318
Williamson County FM/RdCounty0.0443%$136
Upper Brushy Creek WCIDWater0.0170%$52
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,538

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $294,923 would pay approximately $1,841 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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