Beta Williamson County, TX only — data and coverage are limited during early access.

3804 EMERALD HILL DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath2,850 sqftBuilt 1978

Property at a Glance

This home is estimated between $403,645 and $1,128,869, with a best estimate of $481,243. 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

$403,645 $1,128,869
Best Estimate
$481,243
WCAD Value
$681,151
Low Confidence

Based on 5 comparable properties(2 in the same subdivision)

There are 5 comparable properties within range, but few are in R104681D - Brushy Creek North Sec 1 & 2. The estimated range of $403,645 and $1,128,869 should be treated as a rough guide.

Comparable Properties (5)

3901 EMERALD HILL DR, ROUND ROCK, TX 78681
0.00 mi 99% similar Same subdivision
4 bed 2 bath 1,994 sqft Built 1982
Raw Value $728,287
Adjusted Value $961,956

Adjusted +$245,210 for 856 sqft more living space and -$11,541 for being older. Net adjustment: +$233,669.

2704 EMERALD HILL DR, ROUND ROCK, TX 78681
0.00 mi 95% similar Same subdivision
3 bed 2 bath 1,254 sqft Built 1980
Raw Value $677,449
Adjusted Value $1,128,869

Adjusted +$457,190 for 1,596 sqft more living space and -$5,770 for being older. Net adjustment: +$451,420.

4 bed 2 bath 2,948 sqft Built 1999
Raw Value $492,307
Adjusted Value $403,645

Adjusted -$28,073 for 98 sqft less living space and -$60,589 for being older. Net adjustment: -$88,662.

4 bed 2 bath 2,492 sqft Built 1996
Raw Value $430,624
Adjusted Value $481,243

Adjusted +$102,553 for 358 sqft more living space and -$51,934 for being older. Net adjustment: +$50,619.

4 bed 2 bath 2,551 sqft Built 2001
Raw Value $439,376
Adjusted Value $458,669

Adjusted +$85,652 for 299 sqft more living space and -$66,359 for being older. Net adjustment: +$19,293.

The Neighborhood

This home is valued 2.7% above the R104681D - Brushy Creek North Sec 1 & 2 median of $663,354. With 292 homes in the subdivision, the property sits in the upper tier. 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
$681,151
Median
$663,354

This home is +2.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $13,038 across all districts. With a homestead exemption claimed, that drops to $11,662 — saving $1,376 per year. That's $972 per month a buyer should budget. The assessed value increased +7.7% vs the subdivision average of +3.6%. This above-average increase gives a protest opportunity score of 36 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$6,083
Brushy Creek MUDMUD0.3868%$2,635
Williamson CountyCounty0.3694%$2,516
Austin Community Collegespecial0.1034%$704
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$681
Williamson County FM/RdCounty0.0443%$302
Upper Brushy Creek WCIDWater0.0170%$116
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$13,038
36 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $481,243 would pay approximately $3,004 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.

View full property details