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820 RUSK RD, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath749 sqftBuilt 2003

Property at a Glance

This home is estimated between $150,699 and $353,124, with a best estimate of $340,060. That places the property below the R530506E - SONOMA ALL SECTIONS median of $451,534, in a neighborhood that declined 7.0% over the past year.

Estimated Value Range

$150,699 $353,124
Best Estimate
$340,060
WCAD Value
$369,416
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 $150,699 and $353,124. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

664 RUSK RD, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,116 sqft Built 2005
Raw Value $454,777
Adjusted Value $345,564

Adjusted -$98,349 for 367 sqft less living space and -$10,864 for being older. Net adjustment: -$109,213.

749 RUSK RD, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,187 sqft Built 2004
Raw Value $475,932
Adjusted Value $353,124

Adjusted -$117,376 for 438 sqft less living space and -$5,432 for being older. Net adjustment: -$122,808.

840 RUSK RD, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 942 sqft Built 2003
Raw Value $391,780
Adjusted Value $340,060

Adjusted -$51,720 for 193 sqft less living space. Net adjustment: -$51,720.

745 RUSK RD, ROUND ROCK, TX 78665
0.00 mi 98% similar Same subdivision
3 bed 2 bath 1,426 sqft Built 2003
Raw Value $341,672
Adjusted Value $160,249

Adjusted -$181,423 for 677 sqft less living space. Net adjustment: -$181,423.

828 RUSK RD, ROUND ROCK, TX 78665
0.00 mi 98% similar Same subdivision
3 bed 2 bath 1,478 sqft Built 2003
Raw Value $346,058
Adjusted Value $150,699

Adjusted -$195,359 for 729 sqft less living space. Net adjustment: -$195,359.

The Neighborhood

This home is valued 18.2% 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

below average
1,029 Properties
$451,534 Median Value
-7.0% YoY Change
2% Have Pool
100% Have Garage
This Home
$369,416
Median
$451,534

This home is -18.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,647 across all districts. With a homestead exemption claimed, that drops to $5,328 — saving $1,319 per year. That's $444 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%$3,299
Round RockCity0.3720%$1,374
Williamson CountyCounty0.3694%$1,365
Austin Community Collegespecial0.1034%$382
Williamson County FM/RdCounty0.0443%$164
Upper Brushy Creek WCIDWater0.0170%$63
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,647

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $340,060 would pay approximately $2,123 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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