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3905 CHERT DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath2,456 sqftBuilt 1980

Property at a Glance

This home is estimated between $559,766 and $649,515, with a best estimate of $639,784. That places the property below the R104681D - Brushy Creek North Sec 1 & 2 median of $663,354, in a neighborhood that appreciated 3.6% over the past year.

Estimated Value Range

$559,766 $649,515
Best Estimate
$639,784
WCAD Value
$652,254
Low Confidence

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

There are 5 comparable properties within range, but none are in R104681D - Brushy Creek North Sec 1 & 2. The estimated range of $559,766 and $649,515 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 2,044 sqft Built 1981
Raw Value $455,252
Adjusted Value $570,389

Adjusted +$118,022 for 412 sqft more living space and -$2,885 for being older. Net adjustment: +$115,137.

3 bed 2 bath 1,971 sqft Built 1975
Raw Value $496,156
Adjusted Value $649,515

Adjusted +$138,933 for 485 sqft more living space and +$14,426 for being newer. Net adjustment: +$153,359.

3 bed 2 bath 1,877 sqft Built 1984
Raw Value $405,447
Adjusted Value $559,766

Adjusted +$165,860 for 579 sqft more living space and -$11,541 for being older. Net adjustment: +$154,319.

4 bed 2 bath 1,934 sqft Built 1978
Raw Value $484,482
Adjusted Value $639,784

Adjusted +$149,532 for 522 sqft more living space and +$5,770 for being newer. Net adjustment: +$155,302.

3 bed 2 bath 1,626 sqft Built 1977
Raw Value $398,588
Adjusted Value $645,006

Adjusted +$237,762 for 830 sqft more living space and +$8,656 for being newer. Net adjustment: +$246,418.

The Neighborhood

This home is valued 1.7% below the R104681D - Brushy Creek North Sec 1 & 2 median of $663,354. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 3.6% over the past year.

R104681D - Brushy Creek North Sec 1 & 2

typical
292 Properties
$663,354 Median Value
+3.6% YoY Change
3% Have Pool
95% Have Garage
This Home
$652,254
Median
$663,354

This home is -1.7% below the subdivision median.

Tax Analysis

The estimated annual property tax is $12,485 across all districts. With a homestead exemption claimed, that drops to $11,114 — saving $1,371 per year. That's $926 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%$5,825
Brushy Creek MUDMUD0.3868%$2,523
Williamson CountyCounty0.3694%$2,410
Austin Community Collegespecial0.1034%$674
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$652
Williamson County FM/RdCounty0.0443%$289
Upper Brushy Creek WCIDWater0.0170%$111
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$12,485

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $639,784 would pay approximately $3,994 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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