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1506 SAM BASS RD, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

2 bed1 bath808 sqftBuilt 1940

Property at a Glance

This home is estimated between $-207,970 and $554,548, with a best estimate of $354,656. 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

$-207,970 $554,548
Best Estimate
$354,656
WCAD Value
$199,175
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 $-207,970 and $554,548 should be treated as a rough guide.

Comparable Properties (5)

4 bed 2 bath 1,364 sqft Built 1977
Raw Value $736,252
Adjusted Value $354,656

Adjusted -$142,759 for 556 sqft less living space and -$114,417 for being older and -$124,420 for no garage. Net adjustment: -$381,596.

3 bed 2 bath 1,938 sqft Built 1971
Raw Value $670,001
Adjusted Value $159,578

Adjusted -$290,140 for 1,130 sqft less living space and -$95,863 for being older and -$124,420 for no garage. Net adjustment: -$510,423.

3 bed 2 bath 2,103 sqft Built 1970
Raw Value $1,104,243
Adjusted Value $554,548

Adjusted -$332,505 for 1,295 sqft less living space and -$92,770 for being older and -$124,420 for no garage. Net adjustment: -$549,695.

3 bed 2 bath 1,756 sqft Built 1980
Raw Value $868,751
Adjusted Value $501,648

Adjusted -$243,409 for 948 sqft less living space and -$123,694 for being older. Net adjustment: -$367,103.

2 bed 2 bath 2,004 sqft Built 2016
Raw Value $458,554
Adjusted Value $-207,970

Adjusted -$307,086 for 1,196 sqft less living space and -$235,018 for being older and -$124,420 for no garage. Net adjustment: -$666,524.

The Neighborhood

This home is valued 37.6% 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
$199,175
Median
$319,256

This home is -37.6% below the subdivision median.

Tax Analysis

The estimated annual property tax is $3,584 across all districts. With a homestead exemption claimed, that drops to $2,297 — saving $1,287 per year. That's $191 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%$1,779
Round RockCity0.3720%$741
Williamson CountyCounty0.3694%$736
Austin Community Collegespecial0.1034%$206
Williamson County FM/RdCounty0.0443%$88
Upper Brushy Creek WCIDWater0.0170%$34
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$3,584

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $354,656 would pay approximately $2,214 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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