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12 LAKE DR #B, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed2 bath1,112 sqftBuilt 1978

Property at a Glance

This home is estimated between $168,653 and $427,274, with a best estimate of $401,449. That places the property below the R20QC - CHURCH- East Round Rock median of $3,933,377, in a neighborhood that appreciated 11.4% over the past year.

Estimated Value Range

$168,653 $427,274
Best Estimate
$401,449
WCAD Value
$588,302
Low Confidence

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

There are 5 comparable properties within range, but none are in R20QC - CHURCH- East Round Rock. The estimated range of $168,653 and $427,274 should be treated as a rough guide.

Comparable Properties (5)

4 bed 2 bath 1,184 sqft Built 1995
Raw Value $341,937
Adjusted Value $326,271

Adjusted -$17,385 for 72 sqft less living space and +$1,719 for being newer. Net adjustment: -$15,666.

4 bed 2 bath 1,175 sqft Built 2008
Raw Value $413,627
Adjusted Value $401,449

Adjusted -$15,212 for 63 sqft less living space and +$3,034 for being newer. Net adjustment: -$12,178.

4 bed 2 bath 1,673 sqft Built 1995
Raw Value $302,390
Adjusted Value $168,653

Adjusted -$135,456 for 561 sqft less living space and +$1,719 for being newer. Net adjustment: -$133,737.

4 bed 2 bath 1,440 sqft Built 2007
Raw Value $503,538
Adjusted Value $427,274

Adjusted -$79,197 for 328 sqft less living space and +$2,933 for being newer. Net adjustment: -$76,264.

4 bed 2 bath 1,427 sqft Built 2008
Raw Value $489,942
Adjusted Value $416,918

Adjusted -$76,058 for 315 sqft less living space and +$3,034 for being newer. Net adjustment: -$73,024.

The Neighborhood

This home is valued 85.0% below the R20QC - CHURCH- East Round Rock median of $3,933,377. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 11.4% over the past year.

R20QC - CHURCH- East Round Rock

outlier low
8 Properties
$3,933,377 Median Value
+11.4% YoY Change
25% Have Pool
38% Have Garage
This Home
$588,302
Median
$3,933,377

This home is -85.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,984 across all districts. With a homestead exemption claimed, that drops to $7,625 — saving $1,359 per year. That's $635 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%$5,254
Williamson CountyCounty0.3694%$2,173
Austin Community Collegespecial0.1034%$608
Williamson County ESD #9 - Round RockESD0.0999%$588
Williamson County FM/RdCounty0.0443%$261
Upper Brushy Creek WCIDWater0.0170%$100
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$8,984

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $401,449 would pay approximately $2,506 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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