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

2002 ZEPHYR LN, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed1,775 sqftBuilt 1986

Property at a Glance

This home is estimated between $329,525 and $395,093, with a best estimate of $378,394. That places the property above 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

$329,525 $395,093
Best Estimate
$378,394
WCAD Value
$341,440
Medium Confidence

Based on 5 comparable properties(4 in the same subdivision)

Based on 5 comparable properties (4 in the same subdivision, 1 nearby), the estimated range is $329,525 and $395,093. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

3 bed 4 bath 1,971 sqft Built 1986
Raw Value $370,703
Adjusted Value $329,525

Adjusted -$41,178 for 196 sqft less living space. Net adjustment: -$41,178.

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 $378,394

Adjusted +$53,783 for 256 sqft more living space and -$72 for being older. Net adjustment: +$53,711.

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 $333,757

Adjusted +$40,758 for 194 sqft more living space and -$72 for being older. Net adjustment: +$40,686.

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 $384,311

Adjusted +$119,122 for 567 sqft more living space and -$72 for being older. Net adjustment: +$119,050.

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 $395,093

Adjusted +$53,783 for 256 sqft more living space and -$72 for being older. Net adjustment: +$53,711.

The Neighborhood

This home is valued 9.4% above the R604482H - KENSINGTON / WINDY TERRACE 1985 AND OLDER median of $312,111. With 459 homes in the subdivision, the property sits in the upper tier. 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
$341,440
Median
$312,111

This home is +9.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,143 across all districts. With a homestead exemption claimed, that drops to $4,830 — saving $1,313 per year. That's $403 per month a buyer should budget. The assessed value increased -3.5% vs the subdivision average of -9.7%. This above-average increase gives a protest opportunity score of 31 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$3,049
Round RockCity0.3720%$1,270
Williamson CountyCounty0.3694%$1,261
Austin Community Collegespecial0.1034%$353
Williamson County FM/RdCounty0.0443%$151
Upper Brushy Creek WCIDWater0.0170%$58
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,143
31 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $378,394 would pay approximately $2,362 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