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2121 PARADISE RIDGE DR, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed2 bath1,324 sqftBuilt 2005

Property at a Glance

This home is estimated between $260,452 and $573,705, with a best estimate of $513,208. That places the property above the R530506E - SONOMA ALL SECTIONS median of $451,534, in a neighborhood that declined 7.0% over the past year.

Estimated Value Range

$260,452 $573,705
Best Estimate
$513,208
WCAD Value
$429,388
High Confidence

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

Based on 5 comparable properties in R530506E - SONOMA ALL SECTIONS, this home's estimated market value is between $260,452 and $573,705. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1816 PARADISE RIDGE DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 1,345 sqft Built 2001
Raw Value $417,708
Adjusted Value $433,809

Adjusted -$5,628 for 21 sqft less living space and +$21,729 for being newer. Net adjustment: +$16,101.

1859 PARADISE RIDGE DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,198 sqft Built 2001
Raw Value $482,775
Adjusted Value $538,270

Adjusted +$33,766 for 126 sqft more living space and +$21,729 for being newer. Net adjustment: +$55,495.

2348 PARADISE RIDGE DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,726 sqft Built 2005
Raw Value $368,181
Adjusted Value $260,452

Adjusted -$107,729 for 402 sqft less living space. Net adjustment: -$107,729.

1822 PARADISE RIDGE DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,020 sqft Built 2002
Raw Value $415,446
Adjusted Value $513,208

Adjusted +$81,466 for 304 sqft more living space and +$16,296 for being newer. Net adjustment: +$97,762.

2209 PARADISE RIDGE DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,223 sqft Built 2005
Raw Value $546,639
Adjusted Value $573,705

Adjusted +$27,066 for 101 sqft more living space. Net adjustment: +$27,066.

The Neighborhood

This home is valued 4.9% below the R530506E - SONOMA ALL SECTIONS median of $451,534. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 7.0% over the past year.

R530506E - SONOMA ALL SECTIONS

typical
1,029 Properties
$451,534 Median Value
-7.0% YoY Change
2% Have Pool
100% Have Garage
This Home
$429,388
Median
$451,534

This home is -4.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,726 across all districts. With a homestead exemption claimed, that drops to $6,396 — saving $1,330 per year. That's $533 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%$3,835
Round RockCity0.3720%$1,597
Williamson CountyCounty0.3694%$1,586
Austin Community Collegespecial0.1034%$444
Williamson County FM/RdCounty0.0443%$190
Upper Brushy Creek WCIDWater0.0170%$73
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$7,726

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $513,208 would pay approximately $3,203 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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