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1900 MAYFIELD DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,994 sqftBuilt 1976

Property at a Glance

This home is estimated between $443,154 and $943,248, with a best estimate of $681,304. That places the property below the L580D75C - LEANDER SAM BASS AREA median of $974,644, in a neighborhood that appreciated 7.9% over the past year.

Estimated Value Range

$443,154 $943,248
Best Estimate
$681,304
WCAD Value
$550,172
High Confidence

Based on 5 comparable properties(5 in the same subdivision)

Based on 5 comparable properties in L580D75C - LEANDER SAM BASS AREA, this home's estimated market value is between $443,154 and $943,248. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

2202 MAYFIELD DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,895 sqft Built 1980
Raw Value $686,887
Adjusted Value $681,304

Adjusted +$39,344 for 99 sqft more living space and -$44,927 for being older. Net adjustment: -$5,583.

MAYFIELD DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,650 sqft Built 1975
Raw Value $795,305
Adjusted Value $943,248

Adjusted +$136,711 for 344 sqft more living space and +$11,232 for being newer. Net adjustment: +$147,943.

2104 MAYFIELD DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,279 sqft Built 1980
Raw Value $1,033,034
Adjusted Value $874,844

Adjusted -$113,263 for 285 sqft less living space and -$44,927 for being older. Net adjustment: -$158,190.

2302 MAYFIELD DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,539 sqft Built 1980
Raw Value $765,849
Adjusted Value $443,154

Adjusted -$216,591 for 545 sqft less living space and -$44,927 for being older and -$122,326 for no pool and +$61,149 for having a garage. Net adjustment: -$322,695.

2003 MAYFIELD DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,510 sqft Built 1978
Raw Value $707,428
Adjusted Value $479,898

Adjusted -$205,066 for 516 sqft less living space and -$22,464 for being older. Net adjustment: -$227,530.

The Neighborhood

This home is valued 43.6% below the L580D75C - LEANDER SAM BASS AREA median of $974,644. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 7.9% over the past year.

L580D75C - LEANDER SAM BASS AREA

below average
397 Properties
$974,644 Median Value
+7.9% YoY Change
6% Have Pool
81% Have Garage
This Home
$550,172
Median
$974,644

This home is -43.6% below the subdivision median.

Tax Analysis

The estimated annual property tax is $12,931 across all districts. With a homestead exemption claimed, that drops to $10,064 — saving $2,867 per year. That's $839 per month a buyer should budget. The assessed value increased +17.7% vs the subdivision average of +7.9%. This above-average increase gives a protest opportunity score of 89 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Leander ISDSchool1.0869%$5,590
Round Rock ISDSchool0.8931%$4,593
Williamson CountyCounty0.3694%$1,900
Austin Community Collegespecial0.1034%$532
Williamson County FM/RdCounty0.0443%$228
Upper Brushy Creek WCIDWater0.0170%$87
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.5142%$12,931
89 / 100

There may be a strong case to protest this appraisal.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $681,304 would pay approximately $4,253 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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