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1509 E MAIN ST, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

2 bed2 bath1,478 sqftBuilt 1963

Property at a Glance

This home is estimated between $174,874 and $429,150, with a best estimate of $341,726. 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

$174,874 $429,150
Best Estimate
$341,726
WCAD Value
$387,810
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 $174,874 and $429,150. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

602 MAIN AVE E, ROUND ROCK, TX 78664
0.00 mi 96% similar Same subdivision
3 bed 2 bath 2,224 sqft Built 1960
Raw Value $544,204
Adjusted Value $361,937

Adjusted -$191,544 for 746 sqft less living space and +$9,277 for being newer. Net adjustment: -$182,267.

1406 MAIN AVE E, ROUND ROCK, TX 78664
0.00 mi 95% similar Same subdivision
3 bed 2 bath 1,626 sqft Built 1982
Raw Value $283,003
Adjusted Value $310,668

Adjusted -$38,001 for 148 sqft less living space and -$58,754 for being older and +$124,420 for having a garage. Net adjustment: +$27,665.

1402 MAIN AVE E, ROUND ROCK, TX 78664
0.00 mi 95% similar Same subdivision
3 bed 2 bath 1,245 sqft Built 1976
Raw Value $246,051
Adjusted Value $174,874

Adjusted +$59,825 for 233 sqft more living space and -$40,200 for being older and -$90,802 for no pool. Net adjustment: -$71,177.

1411 MAIN AVE E, ROUND ROCK, TX 78664
0.00 mi 94% similar Same subdivision
2 bed 1 bath 1,224 sqft Built 1955
Raw Value $127,350
Adjusted Value $341,726

Adjusted +$65,217 for 254 sqft more living space and +$24,739 for being newer and +$124,420 for having a garage. Net adjustment: +$214,376.

1309 MAIN AVE E, ROUND ROCK, TX 78664
0.00 mi 94% similar Same subdivision
2 bed 1 bath 1,446 sqft Built 1958
Raw Value $281,052
Adjusted Value $429,150

Adjusted +$8,216 for 32 sqft more living space and +$15,462 for being newer and +$124,420 for having a garage. Net adjustment: +$148,098.

The Neighborhood

This home is valued 21.5% 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
$387,810
Median
$319,256

This home is +21.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,978 across all districts. With a homestead exemption claimed, that drops to $5,656 — saving $1,322 per year. That's $471 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%$3,464
Round RockCity0.3720%$1,443
Williamson CountyCounty0.3694%$1,433
Austin Community Collegespecial0.1034%$401
Williamson County FM/RdCounty0.0443%$172
Upper Brushy Creek WCIDWater0.0170%$66
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,978

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $341,726 would pay approximately $2,133 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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