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3316 MARCASITE DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath2,009 sqftBuilt 2009

Property at a Glance

This home is estimated between $669,303 and $852,003, with a best estimate of $713,868. That places the property below the R147606C - WALSH RANCH median of $933,667, in a neighborhood that declined 4.6% over the past year.

Estimated Value Range

$669,303 $852,003
Best Estimate
$713,868
WCAD Value
$859,187
Low Confidence

Based on 5 comparable properties(1 in the same subdivision)

There are 5 comparable properties within range, but few are in R147606C - WALSH RANCH. The estimated range of $669,303 and $852,003 should be treated as a rough guide.

Comparable Properties (5)

4 bed 3 bath 1,916 sqft Built 2014
Raw Value $562,011
Adjusted Value $669,303

Adjusted +$37,816 for 93 sqft more living space and +$69,476 for being newer. Net adjustment: +$107,292.

4 bed 3 bath 1,916 sqft Built 2016
Raw Value $578,786
Adjusted Value $713,868

Adjusted +$37,816 for 93 sqft more living space and +$97,266 for being newer. Net adjustment: +$135,082.

3323 MARCASITE DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,219 sqft Built 2007
Raw Value $904,649
Adjusted Value $791,468

Adjusted -$85,391 for 210 sqft less living space and -$27,790 for being older. Net adjustment: -$113,181.

4 bed 3 bath 1,811 sqft Built 2014
Raw Value $702,015
Adjusted Value $852,003

Adjusted +$80,512 for 198 sqft more living space and +$69,476 for being newer. Net adjustment: +$149,988.

4 bed 3 bath 2,154 sqft Built 2001
Raw Value $860,722
Adjusted Value $690,600

Adjusted -$58,961 for 145 sqft less living space and -$111,161 for being older. Net adjustment: -$170,122.

The Neighborhood

This home is valued 8.0% below the R147606C - WALSH RANCH median of $933,667. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 4.6% over the past year.

R147606C - WALSH RANCH

typical
239 Properties
$933,667 Median Value
-4.6% YoY Change
0% Have Pool
100% Have Garage
This Home
$859,187
Median
$933,667

This home is -8.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $16,091 across all districts. With a homestead exemption claimed, that drops to $14,682 — saving $1,409 per year. That's $1,224 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%$7,673
Williamson CountyCounty0.3694%$3,174
Walsh Ranch MUDMUD0.3455%$2,968
Austin Community Collegespecial0.1034%$888
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$859
Williamson County FM/RdCounty0.0443%$381
Upper Brushy Creek WCIDWater0.0170%$146
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8728%$16,091

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $713,868 would pay approximately $4,456 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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