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

206 NASH ST, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,378 sqftBuilt 1978

Property at a Glance

This home is estimated between $195,583 and $492,318, with a best estimate of $389,717. That places the property above the R701575F - OLD TOWN ROUND ROCK median of $319,256, in a neighborhood that appreciated 4.3% over the past year.

Estimated Value Range

$195,583 $492,318
Best Estimate
$389,717
WCAD Value
$246,902
High Confidence

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

Based on 5 comparable properties in R701575F - OLD TOWN ROUND ROCK, this home's estimated market value is between $195,583 and $492,318. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

406 MAIN AVE E, ROUND ROCK, TX 78664
0.05 mi 100% similar Same subdivision
3 bed 2 bath 1,334 sqft Built 1983
Raw Value $496,483
Adjusted Value $492,318

Adjusted +$11,297 for 44 sqft more living space and -$15,462 for being older. Net adjustment: -$4,165.

1406 MAIN AVE E, ROUND ROCK, TX 78664
0.05 mi 100% similar Same subdivision
3 bed 2 bath 1,626 sqft Built 1982
Raw Value $283,003
Adjusted Value $331,377

Adjusted -$63,677 for 248 sqft less living space and -$12,369 for being older and +$124,420 for having a garage. Net adjustment: +$48,374.

1402 MAIN AVE E, ROUND ROCK, TX 78664
0.05 mi 100% similar Same subdivision
3 bed 2 bath 1,245 sqft Built 1976
Raw Value $246,051
Adjusted Value $195,583

Adjusted +$34,149 for 133 sqft more living space and +$6,185 for being newer and -$90,802 for no pool. Net adjustment: -$50,468.

408 MAIN AVE E, ROUND ROCK, TX 78664
0.05 mi 100% similar Same subdivision
3 bed 2 bath 1,473 sqft Built 1983
Raw Value $434,038
Adjusted Value $394,184

Adjusted -$24,392 for 95 sqft less living space and -$15,462 for being older. Net adjustment: -$39,854.

1505 MAIN AVE E, ROUND ROCK, TX 78664
0.05 mi 98% similar Same subdivision
3 bed 2 bath 1,392 sqft Built 1999
Raw Value $333,831
Adjusted Value $389,717

Adjusted -$3,595 for 14 sqft less living space and -$64,939 for being older and +$124,420 for having a garage. Net adjustment: +$55,886.

The Neighborhood

This home is valued 22.7% below the R701575F - OLD TOWN ROUND ROCK median of $319,256. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 4.3% over the past year.

R701575F - OLD TOWN ROUND ROCK

below average
360 Properties
$319,256 Median Value
+4.3% YoY Change
5% Have Pool
24% Have Garage
This Home
$246,902
Median
$319,256

This home is -22.7% below the subdivision median.

Tax Analysis

The estimated annual property tax is $4,442 across all districts. With a homestead exemption claimed, that drops to $3,146 — saving $1,296 per year. That's $262 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%$2,205
Round RockCity0.3720%$918
Williamson CountyCounty0.3694%$912
Austin Community Collegespecial0.1034%$255
Williamson County FM/RdCounty0.0443%$109
Upper Brushy Creek WCIDWater0.0170%$42
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$4,442

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $389,717 would pay approximately $2,433 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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