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4278 ARQUES AVE, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath2,768 sqftBuilt 2019

Property at a Glance

This home is estimated between $555,465 and $612,247, with a best estimate of $596,318. 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

$555,465 $612,247
Best Estimate
$596,318
WCAD Value
$607,612
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 $555,465 and $612,247. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4628 ARQUES AVE, ROUND ROCK, TX 78681
0.00 mi 98% similar Same subdivision
4 bed 3 bath 2,892 sqft Built 2021
Raw Value $643,386
Adjusted Value $612,247

Adjusted -$27,487 for 124 sqft less living space and -$3,652 for being older. Net adjustment: -$31,139.

4262 ARQUES AVE, ROUND ROCK, TX 78681
0.00 mi 98% similar Same subdivision
3 bed 2 bath 2,165 sqft Built 2017
Raw Value $473,551
Adjusted Value $610,872

Adjusted +$133,669 for 603 sqft more living space and +$3,652 for being newer. Net adjustment: +$137,321.

4516 ARQUES AVE, ROUND ROCK, TX 78681
0.00 mi 96% similar Same subdivision
4 bed 3 bath 2,478 sqft Built 2019
Raw Value $491,180
Adjusted Value $555,465

Adjusted +$64,285 for 290 sqft more living space. Net adjustment: +$64,285.

4452 ARQUES AVE, ROUND ROCK, TX 78681
0.00 mi 96% similar Same subdivision
4 bed 3 bath 2,470 sqft Built 2019
Raw Value $520,442
Adjusted Value $586,501

Adjusted +$66,059 for 298 sqft more living space. Net adjustment: +$66,059.

4201 ARQUES AVE, ROUND ROCK, TX 78681
0.00 mi 89% similar Same subdivision
3 bed 3 bath 2,284 sqft Built 2021
Raw Value $492,680
Adjusted Value $596,318

Adjusted +$107,290 for 484 sqft more living space and -$3,652 for being older. Net adjustment: +$103,638.

The Neighborhood

This home is valued 16.1% above the G799514C - MAYFIELD RANCH median of $523,371. With 1,093 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 9.3% over the past year.

G799514C - MAYFIELD RANCH

above average
1,093 Properties
$523,371 Median Value
-9.3% YoY Change
1% Have Pool
100% Have Garage
This Home
$607,612
Median
$523,371

This home is +16.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $12,555 across all districts. With a homestead exemption claimed, that drops to $10,972 — saving $1,583 per year. That's $914 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%$6,384
Highlands at Mayfield Ranch MUDMUD0.4850%$2,947
Williamson CountyCounty0.3694%$2,245
Williamson County ESD #9 - Round RockESD0.0999%$607
Williamson County FM/RdCounty0.0443%$269
Upper Brushy Creek WCIDWater0.0170%$103
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0663%$12,555

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $596,318 would pay approximately $3,722 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 4/17/2026.

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