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503 CAMBRIDGE DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

2 bed2 bath1,420 sqftBuilt 1982

Property at a Glance

This home is estimated between $225,681 and $362,833, with a best estimate of $291,081. 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

$225,681 $362,833
Best Estimate
$291,081
WCAD Value
$316,994
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 $225,681 and $362,833. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

806 CAMBRIDGE DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,555 sqft Built 1978
Raw Value $280,841
Adjusted Value $252,192

Adjusted -$28,362 for 135 sqft less living space and -$287 for being older. Net adjustment: -$28,649.

808 CAMBRIDGE DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,705 sqft Built 1978
Raw Value $285,844
Adjusted Value $225,681

Adjusted -$59,876 for 285 sqft less living space and -$287 for being older. Net adjustment: -$60,163.

701 CAMBRIDGE DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,508 sqft Built 1978
Raw Value $309,856
Adjusted Value $291,081

Adjusted -$18,488 for 88 sqft less living space and -$287 for being older. Net adjustment: -$18,775.

700 CAMBRIDGE DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,381 sqft Built 1983
Raw Value $295,010
Adjusted Value $303,276

Adjusted +$8,194 for 39 sqft more living space and +$72 for being newer. Net adjustment: +$8,266.

706 CAMBRIDGE DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,230 sqft Built 1978
Raw Value $323,203
Adjusted Value $362,833

Adjusted +$39,917 for 190 sqft more living space and -$287 for being older. Net adjustment: +$39,630.

The Neighborhood

This home is valued 1.6% 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
$316,994
Median
$312,111

This home is +1.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $5,704 across all districts. With a homestead exemption claimed, that drops to $4,395 — saving $1,309 per year. That's $366 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%$2,831
Round RockCity0.3720%$1,179
Williamson CountyCounty0.3694%$1,171
Austin Community Collegespecial0.1034%$328
Williamson County FM/RdCounty0.0443%$141
Upper Brushy Creek WCIDWater0.0170%$54
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,704

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $291,081 would pay approximately $1,817 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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