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702 MAIN AVE E, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed1,818 sqftBuilt 1920

Property at a Glance

This home is estimated between $318,609 and $706,832, with a best estimate of $687,027. That places the property above the R703T14G - Round Rock Historical median of $404,269, in a neighborhood that appreciated 33.1% over the past year.

Estimated Value Range

$318,609 $706,832
Best Estimate
$687,027
WCAD Value
$509,285
High Confidence

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

Based on 5 comparable properties in R703T14G - Round Rock Historical, this home's estimated market value is between $318,609 and $706,832. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

702 MAIN AVE E, ROUND ROCK, TX 78664
0.00 mi 95% similar Same subdivision
3 bed 2 bath 1,818 sqft Built 1920
Raw Value $687,027
Adjusted Value $687,027

This comparable closely matches the subject property's features.

702 MAIN AVE E, ROUND ROCK, TX 78664
0.00 mi 95% similar Same subdivision
3 bed 2 bath 1,818 sqft Built 1920
Raw Value $706,832
Adjusted Value $706,832

This comparable closely matches the subject property's features.

507 MAIN AVE E, ROUND ROCK, TX 78664
0.00 mi 86% similar Same subdivision
4 bed 3 bath 2,735 sqft Built 1920
Raw Value $607,535
Adjusted Value $318,609

Adjusted -$288,926 for 917 sqft less living space. Net adjustment: -$288,926.

808 MAIN AVE E, ROUND ROCK, TX 78664
0.00 mi 84% similar Same subdivision
3 bed 2 bath 1,510 sqft Built 1930
Raw Value $658,171
Adjusted Value $706,598

Adjusted +$97,044 for 308 sqft more living space and +$58,909 for being newer and -$107,526 for no garage. Net adjustment: +$48,427.

701 E MAIN ST, ROUND ROCK, TX 78664
0.00 mi 79% similar Same subdivision
2 bed 1 bath 1,542 sqft Built 1930
Raw Value $404,269
Adjusted Value $550,139

Adjusted +$86,961 for 276 sqft more living space and +$58,909 for being newer. Net adjustment: +$145,870.

The Neighborhood

This home is valued 26.0% above the R703T14G - Round Rock Historical median of $404,269. With 59 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 33.1% over the past year.

R703T14G - Round Rock Historical

above average
59 Properties
$404,269 Median Value
+33.1% YoY Change
9% Have Pool
14% Have Garage
This Home
$509,285
Median
$404,269

This home is +26.0% above the subdivision median.

Tax Analysis

The estimated annual property tax is $1,895 across all districts. That's $158 per month. The assessed value increased +1402.6% vs the subdivision average of +33.1%. This above-average increase gives a protest opportunity score of 100 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round RockCity0.3720%$1,895
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax0.3720%$1,895
100 / 100

There may be a strong case to protest this appraisal.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $687,027 would pay approximately $4,288 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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