Beta Williamson County, TX only — data and coverage are limited during early access.

1503 MESA PARK W, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,638 sqftBuilt 1977

Property at a Glance

This home is estimated between $241,908 and $372,964, with a best estimate of $328,461. That places the property above the R464476H - MESA PARK ALL SECTIONS median of $279,680, in a neighborhood that declined 6.4% over the past year.

Estimated Value Range

$241,908 $372,964
Best Estimate
$328,461
WCAD Value
$317,856
High Confidence

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

Based on 5 comparable properties in R464476H - MESA PARK ALL SECTIONS, this home's estimated market value is between $241,908 and $372,964. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1503 MESA PARK E, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,380 sqft Built 1980
Raw Value $273,127
Adjusted Value $328,461

Adjusted +$53,200 for 258 sqft more living space and +$2,134 for being newer. Net adjustment: +$55,334.

1501 MESA PARK W, ROUND ROCK, TX 78664
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,599 sqft Built 1977
Raw Value $315,726
Adjusted Value $323,768

Adjusted +$8,042 for 39 sqft more living space. Net adjustment: +$8,042.

1501 MESA PARK E, ROUND ROCK, TX 78664
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,327 sqft Built 1980
Raw Value $306,701
Adjusted Value $372,964

Adjusted +$64,129 for 311 sqft more living space and +$2,134 for being newer. Net adjustment: +$66,263.

1505 W MESA PARK DR, ROUND ROCK, TX 78664
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,880 sqft Built 1977
Raw Value $303,438
Adjusted Value $241,908

Adjusted -$49,901 for 242 sqft less living space and -$11,629 for no pool. Net adjustment: -$61,530.

1505 MESA PARK E, ROUND ROCK, TX 78664
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,238 sqft Built 1980
Raw Value $269,733
Adjusted Value $354,348

Adjusted +$82,481 for 400 sqft more living space and +$2,134 for being newer. Net adjustment: +$84,615.

The Neighborhood

This home is valued 13.6% above the R464476H - MESA PARK ALL SECTIONS median of $279,680. With 722 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 6.4% over the past year.

R464476H - MESA PARK ALL SECTIONS

typical
722 Properties
$279,680 Median Value
-6.4% YoY Change
2% Have Pool
91% Have Garage
This Home
$317,856
Median
$279,680

This home is +13.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $5,719 across all districts. With a homestead exemption claimed, that drops to $4,410 — saving $1,309 per year. That's $368 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%$2,839
Round RockCity0.3720%$1,182
Williamson CountyCounty0.3694%$1,174
Austin Community Collegespecial0.1034%$329
Williamson County FM/RdCounty0.0443%$141
Upper Brushy Creek WCIDWater0.0170%$54
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,719

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $328,461 would pay approximately $2,050 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.

View full property details