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4320 MAYFIELD RANCH BLVD, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath2,060 sqftBuilt 2021

Property at a Glance

This home is estimated between $438,559 and $611,836, with a best estimate of $458,441. 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

$438,559 $611,836
Best Estimate
$458,441
WCAD Value
$451,332
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 $438,559 and $611,836. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4348 MAYFIELD RANCH BLVD, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,962 sqft Built 2020
Raw Value $434,891
Adjusted Value $458,441

Adjusted +$21,724 for 98 sqft more living space and +$1,826 for being newer. Net adjustment: +$23,550.

4340 MAYFIELD RANCH BLVD, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,756 sqft Built 2021
Raw Value $410,055
Adjusted Value $477,444

Adjusted +$67,389 for 304 sqft more living space. Net adjustment: +$67,389.

4323 MAYFIELD RANCH BLVD, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,181 sqft Built 2021
Raw Value $477,276
Adjusted Value $450,454

Adjusted -$26,822 for 121 sqft less living space. Net adjustment: -$26,822.

4352 MAYFIELD RANCH BLVD, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,004 sqft Built 2020
Raw Value $597,596
Adjusted Value $611,836

Adjusted +$12,414 for 56 sqft more living space and +$1,826 for being newer. Net adjustment: +$14,240.

4383 MAYFIELD RANCH BLVD, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,202 sqft Built 2021
Raw Value $470,037
Adjusted Value $438,559

Adjusted -$31,478 for 142 sqft less living space. Net adjustment: -$31,478.

The Neighborhood

This home is valued 13.8% 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
$451,332
Median
$523,371

This home is -13.8% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,326 across all districts. With a homestead exemption claimed, that drops to $7,772 — saving $1,554 per year. That's $648 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%$4,742
Highlands at Mayfield Ranch MUDMUD0.4850%$2,189
Williamson CountyCounty0.3694%$1,667
Williamson County ESD #9 - Round RockESD0.0999%$451
Williamson County FM/RdCounty0.0443%$200
Upper Brushy Creek WCIDWater0.0170%$77
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0663%$9,326

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $458,441 would pay approximately $2,862 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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