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505 CAMBRIDGE DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,236 sqftBuilt 1978

Property at a Glance

This home is estimated between $187,311 and $324,464, with a best estimate of $252,711. 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

$187,311 $324,464
Best Estimate
$252,711
WCAD Value
$285,142
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 $187,311 and $324,464. 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 $213,822

Adjusted -$67,019 for 319 sqft less living space. Net adjustment: -$67,019.

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 $187,311

Adjusted -$98,533 for 469 sqft less living space. Net adjustment: -$98,533.

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 $252,711

Adjusted -$57,145 for 272 sqft less living space. Net adjustment: -$57,145.

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 $264,906

Adjusted -$30,463 for 145 sqft less living space and +$359 for being newer. Net adjustment: -$30,104.

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 $324,464

Adjusted +$1,261 for 6 sqft more living space. Net adjustment: +$1,261.

The Neighborhood

This home is valued 8.6% 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
$285,142
Median
$312,111

This home is -8.6% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,130 across all districts. With a homestead exemption claimed, that drops to $3,827 — saving $1,303 per year. That's $319 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%$2,547
Round RockCity0.3720%$1,061
Williamson CountyCounty0.3694%$1,053
Austin Community Collegespecial0.1034%$295
Williamson County FM/RdCounty0.0443%$126
Upper Brushy Creek WCIDWater0.0170%$48
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,130

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $252,711 would pay approximately $1,577 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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