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1511 MAIN AVE E, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,155 sqftBuilt 2011

Property at a Glance

This home is estimated between $240,373 and $537,108, with a best estimate of $438,973. 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

$240,373 $537,108
Best Estimate
$438,973
WCAD Value
$308,865
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 $240,373 and $537,108. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1305 MAIN AVE E, ROUND ROCK, TX 78664
0.00 mi 99% similar Same subdivision
3 bed 2 bath 1,250 sqft Built 1977
Raw Value $213,837
Adjusted Value $419,005

Adjusted -$24,392 for 95 sqft less living space and +$105,140 for being newer and +$124,420 for having a garage. Net adjustment: +$205,168.

1305 MAIN AVE E, ROUND ROCK, TX 78664
0.00 mi 90% similar Same subdivision
2 bed 1 bath 1,150 sqft Built 1979
Raw Value $259,289
Adjusted Value $483,948

Adjusted +$1,284 for 5 sqft more living space and +$98,955 for being newer and +$124,420 for having a garage. Net adjustment: +$224,659.

406 MAIN AVE E, ROUND ROCK, TX 78664
0.00 mi 84% similar Same subdivision
3 bed 2 bath 1,334 sqft Built 1983
Raw Value $496,483
Adjusted Value $537,108

Adjusted -$45,960 for 179 sqft less living space and +$86,585 for being newer. Net adjustment: +$40,625.

1402 MAIN AVE E, ROUND ROCK, TX 78664
0.00 mi 84% similar Same subdivision
3 bed 2 bath 1,245 sqft Built 1976
Raw Value $246,051
Adjusted Value $240,373

Adjusted -$23,108 for 90 sqft less living space and +$108,232 for being newer and -$90,802 for no pool. Net adjustment: -$5,678.

408 MAIN AVE E, ROUND ROCK, TX 78664
0.00 mi 81% similar Same subdivision
3 bed 2 bath 1,473 sqft Built 1983
Raw Value $434,038
Adjusted Value $438,973

Adjusted -$81,650 for 318 sqft less living space and +$86,585 for being newer. Net adjustment: +$4,935.

The Neighborhood

This home is valued 3.3% 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

typical
360 Properties
$319,256 Median Value
+4.3% YoY Change
5% Have Pool
24% Have Garage
This Home
$308,865
Median
$319,256

This home is -3.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $3,636 across all districts. With a homestead exemption claimed, that drops to $2,348 — saving $1,288 per year. That's $196 per month a buyer should budget. The assessed value increased +46.5% vs the subdivision average of +4.3%. This above-average increase gives a protest opportunity score of 95 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$1,805
Round RockCity0.3720%$752
Williamson CountyCounty0.3694%$747
Austin Community Collegespecial0.1034%$209
Williamson County FM/RdCounty0.0443%$90
Upper Brushy Creek WCIDWater0.0170%$34
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$3,636
95 / 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 $438,973 would pay approximately $2,740 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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