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12300 WATERSIDE TRL, AUSTIN, TX 78750

AUSTIN, 78750 — williamson County

3 bed2 bath1,742 sqftBuilt 1976

Property at a Glance

This home is estimated between $377,712 and $454,997, with a best estimate of $388,152. That places the property below the R353476G - Anderson Mill median of $407,368, in a neighborhood that appreciated 0.2% over the past year.

Estimated Value Range

$377,712 $454,997
Best Estimate
$388,152
WCAD Value
$509,600
High Confidence

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

Based on 5 comparable properties in R353476G - Anderson Mill, this home's estimated market value is between $377,712 and $454,997. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

12308 DEERBROOK TRL, AUSTIN, TX 78750
0.02 mi 100% similar Same subdivision
4 bed 2 bath 1,915 sqft Built 1976
Raw Value $429,096
Adjusted Value $386,145

Adjusted -$42,951 for 173 sqft less living space. Net adjustment: -$42,951.

12216 WATERSIDE TRL, AUSTIN, TX 78750
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,686 sqft Built 1976
Raw Value $390,654
Adjusted Value $404,557

Adjusted +$13,903 for 56 sqft more living space. Net adjustment: +$13,903.

12310 DEERBROOK TRL, AUSTIN, TX 78750
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,781 sqft Built 1977
Raw Value $391,271
Adjusted Value $377,712

Adjusted -$9,683 for 39 sqft less living space and -$3,876 for being older. Net adjustment: -$13,559.

12305 RUSTIC MANOR CT, AUSTIN, TX 78750
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,689 sqft Built 1976
Raw Value $441,838
Adjusted Value $454,997

Adjusted +$13,159 for 53 sqft more living space. Net adjustment: +$13,159.

12303 WATERSIDE TRL, AUSTIN, TX 78750
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,934 sqft Built 1976
Raw Value $435,821
Adjusted Value $388,152

Adjusted -$47,669 for 192 sqft less living space. Net adjustment: -$47,669.

The Neighborhood

This home is valued 25.1% above the R353476G - Anderson Mill median of $407,368. With 1,663 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 0.2% over the past year.

R353476G - Anderson Mill

above average
1,663 Properties
$407,368 Median Value
+0.2% YoY Change
3% Have Pool
95% Have Garage
This Home
$509,600
Median
$407,368

This home is +25.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,577 across all districts. With a homestead exemption claimed, that drops to $8,699 — saving $1,878 per year. That's $725 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%$4,551
AustinCity0.5240%$2,670
Williamson CountyCounty0.3694%$1,883
Anderson Mill Limited Districtspecial0.1243%$634
Austin Community Collegespecial0.1034%$527
Williamson County FM/RdCounty0.0443%$226
Upper Brushy Creek WCIDWater0.0170%$87
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0756%$10,577

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $388,152 would pay approximately $2,423 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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