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4309 MAYFIELD RANCH BLVD, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,791 sqftBuilt 2021

Property at a Glance

This home is estimated between $390,823 and $552,206, with a best estimate of $398,811. 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

$390,823 $552,206
Best Estimate
$398,811
WCAD Value
$413,162
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 $390,823 and $552,206. 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 $398,811

Adjusted -$37,906 for 171 sqft less living space and +$1,826 for being newer. Net adjustment: -$36,080.

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 $417,814

Adjusted +$7,759 for 35 sqft more living space. Net adjustment: +$7,759.

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 $390,823

Adjusted -$86,453 for 390 sqft less living space. Net adjustment: -$86,453.

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 $552,206

Adjusted -$47,216 for 213 sqft less living space and +$1,826 for being newer. Net adjustment: -$45,390.

4388 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 $431,656
Adjusted Value $395,576

Adjusted -$37,906 for 171 sqft less living space and +$1,826 for being newer. Net adjustment: -$36,080.

The Neighborhood

This home is valued 21.1% 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
$413,162
Median
$523,371

This home is -21.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,537 across all districts. With a homestead exemption claimed, that drops to $6,990 — saving $1,547 per year. That's $583 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%$4,341
Highlands at Mayfield Ranch MUDMUD0.4850%$2,004
Williamson CountyCounty0.3694%$1,526
Williamson County ESD #9 - Round RockESD0.0999%$413
Williamson County FM/RdCounty0.0443%$183
Upper Brushy Creek WCIDWater0.0170%$70
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0663%$8,537

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $398,811 would pay approximately $2,489 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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