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1603 CUSHING ST, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed4 bath1,830 sqftBuilt 1977

Property at a Glance

This home is estimated between $342,075 and $412,009, with a best estimate of $370,266. That places the property above the R605477I - South Park, Southern Terrace, Cushing PA median of $311,935, in a neighborhood that appreciated 0.3% over the past year.

Estimated Value Range

$342,075 $412,009
Best Estimate
$370,266
WCAD Value
$365,194
High Confidence

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

Based on 5 comparable properties in R605477I - South Park, Southern Terrace, Cushing PA, this home's estimated market value is between $342,075 and $412,009. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1706 CUSHING PARK DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,552 sqft Built 1977
Raw Value $321,064
Adjusted Value $378,072

Adjusted +$57,008 for 278 sqft more living space. Net adjustment: +$57,008.

1701 CUSHING ST, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,762 sqft Built 1977
Raw Value $332,258
Adjusted Value $346,202

Adjusted +$13,944 for 68 sqft more living space. Net adjustment: +$13,944.

206 CUSHING PARK DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,677 sqft Built 1979
Raw Value $385,787
Adjusted Value $412,009

Adjusted +$31,375 for 153 sqft more living space and -$5,153 for being older. Net adjustment: +$26,222.

1701 CUSHING PARK DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,670 sqft Built 1978
Raw Value $311,841
Adjusted Value $342,075

Adjusted +$32,810 for 160 sqft more living space and -$2,576 for being older. Net adjustment: +$30,234.

1603 CUSHING PARK DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,630 sqft Built 1979
Raw Value $334,406
Adjusted Value $370,266

Adjusted +$41,013 for 200 sqft more living space and -$5,153 for being older. Net adjustment: +$35,860.

The Neighborhood

This home is valued 17.1% above the R605477I - South Park, Southern Terrace, Cushing PA median of $311,935. With 125 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 0.3% over the past year.

R605477I - South Park, Southern Terrace, Cushing PA

above average
125 Properties
$311,935 Median Value
+0.3% YoY Change
2% Have Pool
61% Have Garage
This Home
$365,194
Median
$311,935

This home is +17.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,571 across all districts. With a homestead exemption claimed, that drops to $5,253 — saving $1,318 per year. That's $438 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%$3,262
Round RockCity0.3720%$1,359
Williamson CountyCounty0.3694%$1,349
Austin Community Collegespecial0.1034%$378
Williamson County FM/RdCounty0.0443%$162
Upper Brushy Creek WCIDWater0.0170%$62
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,571

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $370,266 would pay approximately $2,311 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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