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4624 POST LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath2,289 sqftBuilt 2020

Property at a Glance

This home is estimated between $495,411 and $659,868, with a best estimate of $497,382. 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

$495,411 $659,868
Best Estimate
$497,382
WCAD Value
$483,054
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 $495,411 and $659,868. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4582 POST LOOP, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,023 sqft Built 2021
Raw Value $602,729
Adjusted Value $659,868

Adjusted +$58,965 for 266 sqft more living space and -$1,826 for being older. Net adjustment: +$57,139.

4609 POST LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,112 sqft Built 2020
Raw Value $458,146
Adjusted Value $497,382

Adjusted +$39,236 for 177 sqft more living space. Net adjustment: +$39,236.

3832 ASHBURY RD, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,144 sqft Built 2016
Raw Value $582,790
Adjusted Value $622,237

Adjusted +$32,143 for 145 sqft more living space and +$7,304 for being newer. Net adjustment: +$39,447.

3625 ASHBURY RD, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,273 sqft Built 2016
Raw Value $485,139
Adjusted Value $495,990

Adjusted +$3,547 for 16 sqft more living space and +$7,304 for being newer. Net adjustment: +$10,851.

3712 ASHBURY RD, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,271 sqft Built 2015
Raw Value $482,291
Adjusted Value $495,411

Adjusted +$3,990 for 18 sqft more living space and +$9,130 for being newer. Net adjustment: +$13,120.

The Neighborhood

This home is valued 7.7% 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

typical
1,093 Properties
$523,371 Median Value
-9.3% YoY Change
1% Have Pool
100% Have Garage
This Home
$483,054
Median
$523,371

This home is -7.7% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,981 across all districts. With a homestead exemption claimed, that drops to $8,421 — saving $1,560 per year. That's $702 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%$5,075
Highlands at Mayfield Ranch MUDMUD0.4850%$2,343
Williamson CountyCounty0.3694%$1,785
Williamson County ESD #9 - Round RockESD0.0999%$483
Williamson County FM/RdCounty0.0443%$214
Upper Brushy Creek WCIDWater0.0170%$82
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0663%$9,981

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $497,382 would pay approximately $3,105 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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