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105 N LEWIS ST, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed1 bath1,880 sqftBuilt 1935

Property at a Glance

This home is estimated between $487,436 and $733,880, with a best estimate of $543,346. 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

$487,436 $733,880
Best Estimate
$543,346
WCAD Value
$442,599
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R703T14G - Round Rock Historical. The estimated range of $487,436 and $733,880 should be treated as a rough guide.

Comparable Properties (5)

3 bed 1 bath 1,598 sqft Built 1940
Raw Value $508,047
Adjusted Value $733,880

Adjusted +$88,852 for 282 sqft more living space and +$29,455 for being newer and +$107,526 for having a garage. Net adjustment: +$225,833.

3 bed 1 bath 1,936 sqft Built 1950
Raw Value $365,100
Adjusted Value $543,346

Adjusted -$17,644 for 56 sqft less living space and +$88,364 for being newer and +$107,526 for having a garage. Net adjustment: +$178,246.

2 bed 2 bath 1,750 sqft Built 1940
Raw Value $417,021
Adjusted Value $487,436

Adjusted +$40,960 for 130 sqft more living space and +$29,455 for being newer. Net adjustment: +$70,415.

2 bed 1 bath 1,138 sqft Built 1940
Raw Value $310,984
Adjusted Value $681,753

Adjusted +$233,788 for 742 sqft more living space and +$29,455 for being newer and +$107,526 for having a garage. Net adjustment: +$370,769.

2 bed 1 bath 2,842 sqft Built 1940
Raw Value $704,329
Adjusted Value $538,205

Adjusted -$303,105 for 962 sqft less living space and +$29,455 for being newer and +$107,526 for having a garage. Net adjustment: -$166,124.

The Neighborhood

This home is valued 9.5% 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

typical
59 Properties
$404,269 Median Value
+33.1% YoY Change
9% Have Pool
14% Have Garage
This Home
$442,599
Median
$404,269

This home is +9.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $7,964 across all districts. With a homestead exemption claimed, that drops to $6,631 — saving $1,333 per year. That's $553 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%$3,953
Round RockCity0.3720%$1,646
Williamson CountyCounty0.3694%$1,635
Austin Community Collegespecial0.1034%$458
Williamson County FM/RdCounty0.0443%$196
Upper Brushy Creek WCIDWater0.0170%$75
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$7,964

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $543,346 would pay approximately $3,392 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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