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307 LAMPASAS ST N, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed1 bath1,392 sqftBuilt 1950

Property at a Glance

This home is estimated between $222,937 and $710,851, with a best estimate of $284,896. 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

$222,937 $710,851
Best Estimate
$284,896
WCAD Value
$215,023
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 $222,937 and $710,851. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

509 LEWIS ST N, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 1 bath 1,936 sqft Built 1950
Raw Value $365,100
Adjusted Value $225,422

Adjusted -$139,678 for 544 sqft less living space. Net adjustment: -$139,678.

605 LEWIS ST N, ROUND ROCK, TX 78664
0.00 mi 97% similar Same subdivision
3 bed 1 bath 1,598 sqft Built 1940
Raw Value $508,047
Adjusted Value $486,077

Adjusted -$52,893 for 206 sqft less living space and +$30,923 for being newer. Net adjustment: -$21,970.

404 GEORGETOWN ST N, ROUND ROCK, TX 78664
0.00 mi 94% similar Same subdivision
1 bed 1 bath 1,386 sqft Built 1940
Raw Value $376,852
Adjusted Value $284,896

Adjusted +$1,541 for 6 sqft more living space and +$30,923 for being newer and -$124,420 for no garage. Net adjustment: -$91,956.

409 BURNET ST N, ROUND ROCK, TX 78664
0.00 mi 92% similar Same subdivision
3 bed 2 bath 1,444 sqft Built 1984
Raw Value $341,429
Adjusted Value $222,937

Adjusted -$13,352 for 52 sqft less living space and -$105,140 for being older. Net adjustment: -$118,492.

302 BROWN ST N, ROUND ROCK, TX 78664
0.00 mi 92% similar Same subdivision
3 bed 2 bath 1,627 sqft Built 1960
Raw Value $802,113
Adjusted Value $710,851

Adjusted -$60,339 for 235 sqft less living space and -$30,923 for being older. Net adjustment: -$91,262.

The Neighborhood

This home is valued 32.6% 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

below average
360 Properties
$319,256 Median Value
+4.3% YoY Change
5% Have Pool
24% Have Garage
This Home
$215,023
Median
$319,256

This home is -32.6% below the subdivision median.

Tax Analysis

The estimated annual property tax is $3,405 across all districts. With a homestead exemption claimed, that drops to $2,119 — saving $1,286 per year. That's $177 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%$1,690
Round RockCity0.3720%$704
Williamson CountyCounty0.3694%$699
Austin Community Collegespecial0.1034%$196
Williamson County FM/RdCounty0.0443%$84
Upper Brushy Creek WCIDWater0.0170%$32
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$3,405

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $284,896 would pay approximately $1,778 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 4/19/2026.

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