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507 LEE ST N, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

2 bed1 bath1,608 sqftBuilt 1956

Property at a Glance

This home is estimated between $305,618 and $784,866, with a best estimate of $481,139. 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

$305,618 $784,866
Best Estimate
$481,139
WCAD Value
$432,752
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 $305,618 and $784,866. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

605 LEWIS ST N, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 1 bath 1,598 sqft Built 1940
Raw Value $508,047
Adjusted Value $560,092

Adjusted +$2,568 for 10 sqft more living space and +$49,477 for being newer. Net adjustment: +$52,045.

611 LEWIS ST N, ROUND ROCK, TX 78664
0.00 mi 95% similar Same subdivision
2 bed 1 bath 1,138 sqft Built 1940
Raw Value $310,984
Adjusted Value $481,139

Adjusted +$120,678 for 470 sqft more living space and +$49,477 for being newer. Net adjustment: +$170,155.

302 BROWN ST N, ROUND ROCK, TX 78664
0.00 mi 94% similar Same subdivision
3 bed 2 bath 1,627 sqft Built 1960
Raw Value $802,113
Adjusted Value $784,866

Adjusted -$4,878 for 19 sqft less living space and -$12,369 for being older. Net adjustment: -$17,247.

307 BLACK ST N, ROUND ROCK, TX 78664
0.00 mi 92% similar Same subdivision
2 bed 2 bath 1,750 sqft Built 1940
Raw Value $417,021
Adjusted Value $305,618

Adjusted -$36,460 for 142 sqft less living space and +$49,477 for being newer and -$124,420 for no garage. Net adjustment: -$111,403.

204 STONE ST N, ROUND ROCK, TX 78664
0.00 mi 92% similar Same subdivision
3 bed 2 bath 2,140 sqft Built 1960
Raw Value $686,434
Adjusted Value $413,048

Adjusted -$136,597 for 532 sqft less living space and -$12,369 for being older and -$124,420 for no garage. Net adjustment: -$273,386.

The Neighborhood

This home is valued 35.6% 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
$432,752
Median
$319,256

This home is +35.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $7,786 across all districts. With a homestead exemption claimed, that drops to $6,456 — saving $1,330 per year. That's $538 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%$3,865
Round RockCity0.3720%$1,610
Williamson CountyCounty0.3694%$1,599
Austin Community Collegespecial0.1034%$447
Williamson County FM/RdCounty0.0443%$192
Upper Brushy Creek WCIDWater0.0170%$74
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$7,786

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $481,139 would pay approximately $3,003 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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