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

1338 RAINBOW PARKE DR, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,979 sqftBuilt 2006

Property at a Glance

This home is estimated between $315,475 and $353,558, with a best estimate of $347,311. That places the property above the R457404G - RAINBOW PARKE median of $342,797, in a neighborhood that declined 7.4% over the past year.

Estimated Value Range

$315,475 $353,558
Best Estimate
$347,311
WCAD Value
$334,577
High Confidence

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

Based on 5 comparable properties in R457404G - RAINBOW PARKE, this home's estimated market value is between $315,475 and $353,558. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1473 RAINBOW PARKE DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,866 sqft Built 2006
Raw Value $328,735
Adjusted Value $348,936

Adjusted +$20,201 for 113 sqft more living space. Net adjustment: +$20,201.

1322 RAINBOW PARKE DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,904 sqft Built 2007
Raw Value $335,083
Adjusted Value $347,311

Adjusted +$13,408 for 75 sqft more living space and -$1,180 for being older. Net adjustment: +$12,228.

1325 RAINBOW PARKE DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,847 sqft Built 2008
Raw Value $332,320
Adjusted Value $353,558

Adjusted +$23,598 for 132 sqft more living space and -$2,360 for being older. Net adjustment: +$21,238.

1306 RAINBOW PARKE DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,146 sqft Built 2006
Raw Value $345,330
Adjusted Value $315,475

Adjusted -$29,855 for 167 sqft less living space. Net adjustment: -$29,855.

1290 RAINBOW PARKE DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,982 sqft Built 2009
Raw Value $348,730
Adjusted Value $344,654

Adjusted -$536 for 3 sqft less living space and -$3,540 for being older. Net adjustment: -$4,076.

The Neighborhood

This home is valued 2.4% below the R457404G - RAINBOW PARKE median of $342,797. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 7.4% over the past year.

R457404G - RAINBOW PARKE

typical
131 Properties
$342,797 Median Value
-7.4% YoY Change
1% Have Pool
100% Have Garage
This Home
$334,577
Median
$342,797

This home is -2.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,020 across all districts. With a homestead exemption claimed, that drops to $4,708 — saving $1,312 per year. That's $392 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%$2,988
Round RockCity0.3720%$1,245
Williamson CountyCounty0.3694%$1,236
Austin Community Collegespecial0.1034%$346
Williamson County FM/RdCounty0.0443%$148
Upper Brushy Creek WCIDWater0.0170%$57
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,020

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $347,311 would pay approximately $2,168 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