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4345 MAYFIELD RANCH BLVD, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath2,312 sqftBuilt 2021

Property at a Glance

This home is estimated between $494,421 and $667,697, with a best estimate of $514,303. 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

$494,421 $667,697
Best Estimate
$514,303
WCAD Value
$495,402
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 $494,421 and $667,697. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4317 MAYFIELD RANCH BLVD, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
5 bed 4 bath 2,173 sqft Built 2021
Raw Value $533,685
Adjusted Value $564,498

Adjusted +$30,813 for 139 sqft more living space. Net adjustment: +$30,813.

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 $514,303

Adjusted +$77,586 for 350 sqft more living space and +$1,826 for being newer. Net adjustment: +$79,412.

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 $506,315

Adjusted +$29,039 for 131 sqft more living space. Net adjustment: +$29,039.

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 $667,697

Adjusted +$68,275 for 308 sqft more living space and +$1,826 for being newer. Net adjustment: +$70,101.

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 $494,421

Adjusted +$24,384 for 110 sqft more living space. Net adjustment: +$24,384.

The Neighborhood

This home is valued 5.3% 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
$495,402
Median
$523,371

This home is -5.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $10,236 across all districts. With a homestead exemption claimed, that drops to $8,674 — saving $1,562 per year. That's $723 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%$5,205
Highlands at Mayfield Ranch MUDMUD0.4850%$2,403
Williamson CountyCounty0.3694%$1,830
Williamson County ESD #9 - Round RockESD0.0999%$495
Williamson County FM/RdCounty0.0443%$220
Upper Brushy Creek WCIDWater0.0170%$84
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0663%$10,236

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $514,303 would pay approximately $3,210 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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