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4127 KINGSLEY AVE, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,887 sqftBuilt 2017

Property at a Glance

This home is estimated between $400,167 and $570,143, with a best estimate of $439,597. That places the property below the G799514C - MAYFIELD RANCH median of $523,371, in a neighborhood that declined 9.3% over the past year.

Estimated Value Range

$400,167 $570,143
Best Estimate
$439,597
WCAD Value
$426,942
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 $400,167 and $570,143. 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 $565,020

Adjusted +$13,079 for 59 sqft more living space and -$3,652 for being older. Net adjustment: +$9,427.

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 $570,143

Adjusted +$46,330 for 209 sqft more living space. Net adjustment: +$46,330.

4305 ARQUES AVE, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,725 sqft Built 2020
Raw Value $409,164
Adjusted Value $439,597

Adjusted +$35,911 for 162 sqft more living space and -$5,478 for being older. Net adjustment: +$30,433.

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 $400,167

Adjusted -$64,507 for 291 sqft less living space and -$3,652 for being older. Net adjustment: -$68,159.

4218 ARQUES AVE, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
2 bed 2 bath 2,217 sqft Built 2020
Raw Value $488,687
Adjusted Value $410,057

Adjusted -$73,152 for 330 sqft less living space and -$5,478 for being older. Net adjustment: -$78,630.

The Neighborhood

This home is valued 18.4% 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

below average
1,093 Properties
$523,371 Median Value
-9.3% YoY Change
1% Have Pool
100% Have Garage
This Home
$426,942
Median
$523,371

This home is -18.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,822 across all districts. With a homestead exemption claimed, that drops to $7,272 — saving $1,550 per year. That's $606 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%$4,485
Highlands at Mayfield Ranch MUDMUD0.4850%$2,071
Williamson CountyCounty0.3694%$1,577
Williamson County ESD #9 - Round RockESD0.0999%$427
Williamson County FM/RdCounty0.0443%$189
Upper Brushy Creek WCIDWater0.0170%$73
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0663%$8,822

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $439,597 would pay approximately $2,744 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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