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4138 KINGSLEY AVE, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,595 sqftBuilt 2017

Property at a Glance

This home is estimated between $335,438 and $505,414, with a best estimate of $455,169. 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

$335,438 $505,414
Best Estimate
$455,169
WCAD Value
$378,540
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 $335,438 and $505,414. 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 $500,291

Adjusted -$51,650 for 233 sqft less living space and -$3,652 for being older. Net adjustment: -$55,302.

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 $505,414

Adjusted -$18,399 for 83 sqft less living space. Net adjustment: -$18,399.

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 $374,868

Adjusted -$28,818 for 130 sqft less living space and -$5,478 for being older. Net adjustment: -$34,296.

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 $335,438

Adjusted -$129,236 for 583 sqft less living space and -$3,652 for being older. Net adjustment: -$132,888.

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 $455,169

Adjusted -$34,138 for 154 sqft less living space and -$3,652 for being older. Net adjustment: -$37,790.

The Neighborhood

This home is valued 27.7% 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
$378,540
Median
$523,371

This home is -27.7% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,822 across all districts. With a homestead exemption claimed, that drops to $6,281 — saving $1,541 per year. That's $523 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%$3,977
Highlands at Mayfield Ranch MUDMUD0.4850%$1,836
Williamson CountyCounty0.3694%$1,399
Williamson County ESD #9 - Round RockESD0.0999%$378
Williamson County FM/RdCounty0.0443%$168
Upper Brushy Creek WCIDWater0.0170%$64
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0663%$7,822

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $455,169 would pay approximately $2,841 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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