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1500 SAM BASS RD, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,688 sqftBuilt 1940

Property at a Glance

This home is estimated between $124,893 and $780,497, with a best estimate of $580,606. 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

$124,893 $780,497
Best Estimate
$580,606
WCAD Value
$513,824
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R701575F - OLD TOWN ROUND ROCK. The estimated range of $124,893 and $780,497 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 1,938 sqft Built 1971
Raw Value $670,001
Adjusted Value $385,528

Adjusted -$64,190 for 250 sqft less living space and -$95,863 for being older and -$124,420 for no garage. Net adjustment: -$284,473.

3 bed 2 bath 1,756 sqft Built 1980
Raw Value $868,751
Adjusted Value $727,597

Adjusted -$17,460 for 68 sqft less living space and -$123,694 for being older. Net adjustment: -$141,154.

3 bed 2 bath 2,103 sqft Built 1970
Raw Value $1,104,243
Adjusted Value $780,497

Adjusted -$106,556 for 415 sqft less living space and -$92,770 for being older and -$124,420 for no garage. Net adjustment: -$323,746.

3 bed 4 bath 1,645 sqft Built 1982
Raw Value $368,150
Adjusted Value $124,893

Adjusted +$11,041 for 43 sqft more living space and -$129,878 for being older and -$124,420 for no garage. Net adjustment: -$243,257.

4 bed 2 bath 1,364 sqft Built 1977
Raw Value $736,252
Adjusted Value $580,606

Adjusted +$83,191 for 324 sqft more living space and -$114,417 for being older and -$124,420 for no garage. Net adjustment: -$155,646.

The Neighborhood

This home is valued 60.9% above the R701575F - OLD TOWN ROUND ROCK median of $319,256. With 360 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 4.3% over the past year.

R701575F - OLD TOWN ROUND ROCK

outlier high
360 Properties
$319,256 Median Value
+4.3% YoY Change
5% Have Pool
24% Have Garage
This Home
$513,824
Median
$319,256

This home is +60.9% above the subdivision median.

Tax Analysis

The estimated annual property tax is $7,905 across all districts. With a homestead exemption claimed, that drops to $6,573 — saving $1,332 per year. That's $548 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%$3,924
Round RockCity0.3720%$1,634
Williamson CountyCounty0.3694%$1,623
Austin Community Collegespecial0.1034%$454
Williamson County FM/RdCounty0.0443%$195
Upper Brushy Creek WCIDWater0.0170%$75
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$7,905

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $580,606 would pay approximately $3,624 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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