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21 FOREST MESA, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath2,946 sqftBuilt 1986

Property at a Glance

This home is estimated between $542,397 and $852,255, with a best estimate of $733,436. That places the property below the R563694C - Oak Bluff Estates Ph 2 median of $741,250, in a neighborhood that appreciated 3.7% over the past year.

Estimated Value Range

$542,397 $852,255
Best Estimate
$733,436
WCAD Value
$674,442
High Confidence

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

Based on 5 comparable properties in R563694C - Oak Bluff Estates Ph 2, this home's estimated market value is between $542,397 and $852,255. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

18 FOREST MESA, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2,350 sqft Built 1986
Raw Value $657,609
Adjusted Value $852,255

Adjusted +$194,646 for 596 sqft more living space. Net adjustment: +$194,646.

23 FOREST MESA, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,712 sqft Built 1993
Raw Value $666,181
Adjusted Value $733,436

Adjusted +$76,421 for 234 sqft more living space and -$9,166 for being older. Net adjustment: +$67,255.

14 FOREST MESA, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,252 sqft Built 1989
Raw Value $603,701
Adjusted Value $826,424

Adjusted +$226,651 for 694 sqft more living space and -$3,928 for being older. Net adjustment: +$222,723.

26 FOREST MESA, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 3,071 sqft Built 1993
Raw Value $714,285
Adjusted Value $664,296

Adjusted -$40,823 for 125 sqft less living space and -$9,166 for being older. Net adjustment: -$49,989.

37 FOREST MESA, ROUND ROCK, TX 78664
0.00 mi 99% similar Same subdivision
4 bed 2 bath 3,921 sqft Built 1994
Raw Value $871,294
Adjusted Value $542,397

Adjusted -$318,422 for 975 sqft less living space and -$10,475 for being older. Net adjustment: -$328,897.

The Neighborhood

This home is valued 9.0% below the R563694C - Oak Bluff Estates Ph 2 median of $741,250. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 3.7% over the past year.

R563694C - Oak Bluff Estates Ph 2

typical
341 Properties
$741,250 Median Value
+3.7% YoY Change
1% Have Pool
99% Have Garage
This Home
$674,442
Median
$741,250

This home is -9.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $12,125 across all districts. With a homestead exemption claimed, that drops to $10,750 — saving $1,375 per year. That's $896 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
Round Rock ISDSchool0.8931%$6,018
Round RockCity0.3720%$2,507
Williamson CountyCounty0.3694%$2,490
Austin Community Collegespecial0.1034%$697
Williamson County FM/RdCounty0.0443%$299
Upper Brushy Creek WCIDWater0.0170%$115
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$12,125

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $733,436 would pay approximately $4,578 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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