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605 WINDSOR RD, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,942 sqftBuilt 1978

Property at a Glance

This home is estimated between $376,559 and $429,630, with a best estimate of $417,890. 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

$376,559 $429,630
Best Estimate
$417,890
WCAD Value
$340,728
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 $376,559 and $429,630. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

601 DOVER LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,529 sqft Built 1986
Raw Value $326,924
Adjusted Value $414,267

Adjusted +$86,768 for 413 sqft more living space and +$575 for being newer. Net adjustment: +$87,343.

602 DOVER LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,474 sqft Built 1985
Raw Value $322,078
Adjusted Value $420,904

Adjusted +$98,323 for 468 sqft more living space and +$503 for being newer. Net adjustment: +$98,826.

601 WINDSOR RD, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,477 sqft Built 1980
Raw Value $278,723
Adjusted Value $376,559

Adjusted +$97,692 for 465 sqft more living space and +$144 for being newer. Net adjustment: +$97,836.

601 GREENWICH PL, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,441 sqft Built 1983
Raw Value $312,275
Adjusted Value $417,890

Adjusted +$105,256 for 501 sqft more living space and +$359 for being newer. Net adjustment: +$105,615.

600 WINDSOR RD, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,419 sqft Built 1983
Raw Value $319,393
Adjusted Value $429,630

Adjusted +$109,878 for 523 sqft more living space and +$359 for being newer. Net adjustment: +$110,237.

The Neighborhood

This home is valued 9.2% 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
$340,728
Median
$312,111

This home is +9.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,131 across all districts. With a homestead exemption claimed, that drops to $4,817 — saving $1,314 per year. That's $401 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%$3,043
Round RockCity0.3720%$1,268
Williamson CountyCounty0.3694%$1,259
Austin Community Collegespecial0.1034%$352
Williamson County FM/RdCounty0.0443%$151
Upper Brushy Creek WCIDWater0.0170%$58
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,131

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $417,890 would pay approximately $2,608 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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