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4320 ARQUES AVE, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath2,449 sqftBuilt 2019

Property at a Glance

This home is estimated between $484,751 and $698,375, with a best estimate of $648,130. That places the property above the G799514C - MAYFIELD RANCH median of $523,371, in a neighborhood that declined 9.3% over the past year.

Estimated Value Range

$484,751 $698,375
Best Estimate
$648,130
WCAD Value
$494,379
High Confidence

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

Based on 5 comparable properties in G799514C - MAYFIELD RANCH, this home's estimated market value is between $484,751 and $698,375. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4472 ARQUES AVE, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,828 sqft Built 2019
Raw Value $555,593
Adjusted Value $693,252

Adjusted +$137,659 for 621 sqft more living space. Net adjustment: +$137,659.

4118 KINGSLEY AVE, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,678 sqft Built 2017
Raw Value $523,813
Adjusted Value $698,375

Adjusted +$170,910 for 771 sqft more living space and +$3,652 for being newer. Net adjustment: +$174,562.

4308 ARQUES AVE, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2,178 sqft Built 2019
Raw Value $468,326
Adjusted Value $528,399

Adjusted +$60,073 for 271 sqft more living space. Net adjustment: +$60,073.

4516 ARQUES AVE, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,478 sqft Built 2019
Raw Value $491,180
Adjusted Value $484,751

Adjusted -$6,429 for 29 sqft less living space. Net adjustment: -$6,429.

4215 ARQUES AVE, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,749 sqft Built 2019
Raw Value $492,959
Adjusted Value $648,130

Adjusted +$155,171 for 700 sqft more living space. Net adjustment: +$155,171.

The Neighborhood

This home is valued 5.5% below the G799514C - MAYFIELD RANCH median of $523,371. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 9.3% over the past year.

G799514C - MAYFIELD RANCH

typical
1,093 Properties
$523,371 Median Value
-9.3% YoY Change
1% Have Pool
100% Have Garage
This Home
$494,379
Median
$523,371

This home is -5.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $10,215 across all districts. With a homestead exemption claimed, that drops to $8,653 — saving $1,562 per year. That's $721 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
Georgetown ISDSchool1.0506%$5,194
Highlands at Mayfield Ranch MUDMUD0.4850%$2,398
Williamson CountyCounty0.3694%$1,826
Williamson County ESD #9 - Round RockESD0.0999%$494
Williamson County FM/RdCounty0.0443%$219
Upper Brushy Creek WCIDWater0.0170%$84
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0663%$10,215

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $648,130 would pay approximately $4,046 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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