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603 SPANISH MUSTANG DR, CEDAR PARK, TX 78613

CEDAR PARK, 78613 — williamson County

4 bed3 bath1,973 sqftBuilt 2012

Property at a Glance

This home is estimated between $510,394 and $846,121, with a best estimate of $547,869. That places the property below the L543514A - Ranch at Brushy Creek - Section 8A median of $769,335, in a neighborhood that declined 3.9% over the past year.

Estimated Value Range

$510,394 $846,121
Best Estimate
$547,869
WCAD Value
$569,494
High Confidence

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

Based on 5 comparable properties in L543514A - Ranch at Brushy Creek - Section 8A, this home's estimated market value is between $510,394 and $846,121. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

503 SPANISH MUSTANG DR, CEDAR PARK, TX 78613
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,138 sqft Built 2011
Raw Value $591,438
Adjusted Value $540,378

Adjusted -$62,366 for 165 sqft less living space and +$11,306 for being newer. Net adjustment: -$51,060.

307 SPANISH MUSTANG DR, CEDAR PARK, TX 78613
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,795 sqft Built 2011
Raw Value $767,536
Adjusted Value $846,121

Adjusted +$67,279 for 178 sqft more living space and +$11,306 for being newer. Net adjustment: +$78,585.

511 SPANISH MUSTANG DR, CEDAR PARK, TX 78613
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,023 sqft Built 2012
Raw Value $566,768
Adjusted Value $547,869

Adjusted -$18,899 for 50 sqft less living space. Net adjustment: -$18,899.

611 SPANISH MUSTANG DR, CEDAR PARK, TX 78613
0.00 mi 99% similar Same subdivision
4 bed 3 bath 1,945 sqft Built 2013
Raw Value $712,138
Adjusted Value $711,415

Adjusted +$10,583 for 28 sqft more living space and -$11,306 for being older. Net adjustment: -$723.

313 SPANISH MUSTANG DR, CEDAR PARK, TX 78613
0.00 mi 98% similar Same subdivision
3 bed 2 bath 2,288 sqft Built 2011
Raw Value $618,150
Adjusted Value $510,394

Adjusted -$119,062 for 315 sqft less living space and +$11,306 for being newer. Net adjustment: -$107,756.

The Neighborhood

This home is valued 26.0% below the L543514A - Ranch at Brushy Creek - Section 8A median of $769,335. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 3.9% over the past year.

L543514A - Ranch at Brushy Creek - Section 8A

below average
1,488 Properties
$769,335 Median Value
-3.9% YoY Change
1% Have Pool
100% Have Garage
This Home
$569,494
Median
$769,335

This home is -26.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $10,178 across all districts. With a homestead exemption claimed, that drops to $8,802 — saving $1,376 per year. That's $734 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%$5,086
Williamson CountyCounty0.3694%$2,104
Cedar ParkCity0.3600%$2,050
Austin Community Collegespecial0.1034%$589
Williamson County FM/RdCounty0.0443%$252
Upper Brushy Creek WCIDWater0.0170%$97
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7873%$10,178

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $547,869 would pay approximately $3,420 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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