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1507 MAIN AVE E, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

2 bed1 bath864 sqftBuilt 1955

Property at a Glance

This home is estimated between $34,916 and $189,643, with a best estimate of $122,188. That places the property below the R701575F - OLD TOWN ROUND ROCK median of $319,256, in a neighborhood that appreciated 4.3% over the past year.

Estimated Value Range

$34,916 $189,643
Best Estimate
$122,188
WCAD Value
$140,090
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 $34,916 and $189,643. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1411 MAIN AVE E, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
2 bed 1 bath 1,224 sqft Built 1955
Raw Value $127,350
Adjusted Value $34,916

Adjusted -$92,434 for 360 sqft less living space. Net adjustment: -$92,434.

1504 MAIN AVE E, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
2 bed 1 bath 1,056 sqft Built 1950
Raw Value $197,951
Adjusted Value $164,115

Adjusted -$49,298 for 192 sqft less living space and +$15,462 for being newer. Net adjustment: -$33,836.

1407 MAIN AVE E, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
2 bed 1 bath 924 sqft Built 1965
Raw Value $143,353
Adjusted Value $97,024

Adjusted -$15,406 for 60 sqft less living space and -$30,923 for being older. Net adjustment: -$46,329.

1508 MAIN AVE E, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
2 bed 1 bath 904 sqft Built 1950
Raw Value $184,451
Adjusted Value $189,643

Adjusted -$10,270 for 40 sqft less living space and +$15,462 for being newer. Net adjustment: +$5,192.

1410 MAIN AVE E, ROUND ROCK, TX 78664
0.00 mi 93% similar Same subdivision
2 bed 1 bath 1,030 sqft Built 1985
Raw Value $257,580
Adjusted Value $122,188

Adjusted -$42,622 for 166 sqft less living space and -$92,770 for being older. Net adjustment: -$135,392.

The Neighborhood

This home is valued 56.1% 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

outlier low
360 Properties
$319,256 Median Value
+4.3% YoY Change
5% Have Pool
24% Have Garage
This Home
$140,090
Median
$319,256

This home is -56.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $2,521 across all districts. With a homestead exemption claimed, that drops to $1,244 — saving $1,277 per year. That's $104 per month a buyer should budget. The assessed value increased +9.7% vs the subdivision average of +4.3%. This above-average increase gives a protest opportunity score of 32 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$1,251
Round RockCity0.3720%$521
Williamson CountyCounty0.3694%$518
Austin Community Collegespecial0.1034%$145
Williamson County FM/RdCounty0.0443%$62
Upper Brushy Creek WCIDWater0.0170%$24
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$2,521
32 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $122,188 would pay approximately $763 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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