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1508 SAM BASS RD, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

2 bed1 bath2,423 sqftBuilt 1940

Property at a Glance

This home is estimated between $116,572 and $969,217, with a best estimate of $574,247. 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

$116,572 $969,217
Best Estimate
$574,247
WCAD Value
$409,861
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 $116,572 and $969,217 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 2,103 sqft Built 1970
Raw Value $1,104,243
Adjusted Value $969,217

Adjusted +$82,164 for 320 sqft more living space and -$92,770 for being older and -$124,420 for no garage. Net adjustment: -$135,026.

3 bed 2 bath 1,938 sqft Built 1971
Raw Value $670,001
Adjusted Value $574,247

Adjusted +$124,529 for 485 sqft more living space and -$95,863 for being older and -$124,420 for no garage. Net adjustment: -$95,754.

3 bed 2 bath 2,461 sqft Built 2016
Raw Value $485,767
Adjusted Value $116,572

Adjusted -$9,757 for 38 sqft less living space and -$235,018 for being older and -$124,420 for no garage. Net adjustment: -$369,195.

3 bed 2,958 sqft Built 1977
Raw Value $1,255,433
Adjusted Value $879,229

Adjusted -$137,367 for 535 sqft less living space and -$114,417 for being older and -$124,420 for no garage. Net adjustment: -$376,204.

2 bed 2 bath 2,004 sqft Built 2016
Raw Value $458,554
Adjusted Value $206,699

Adjusted +$107,583 for 419 sqft more living space and -$235,018 for being older and -$124,420 for no garage. Net adjustment: -$251,855.

The Neighborhood

This home is valued 28.4% 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

above average
360 Properties
$319,256 Median Value
+4.3% YoY Change
5% Have Pool
24% Have Garage
This Home
$409,861
Median
$319,256

This home is +28.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $7,375 across all districts. With a homestead exemption claimed, that drops to $6,048 — saving $1,327 per year. That's $504 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%$3,660
Round RockCity0.3720%$1,525
Williamson CountyCounty0.3694%$1,514
Austin Community Collegespecial0.1034%$424
Williamson County FM/RdCounty0.0443%$182
Upper Brushy Creek WCIDWater0.0170%$70
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$7,375

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $574,247 would pay approximately $3,584 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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