Beta Williamson County, TX only — data and coverage are limited during early access.

113 STARBOARD CT, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath2,524 sqftBuilt 2014

Property at a Glance

This home is estimated between $701,808 and $1,044,971, with a best estimate of $989,861. That places the property above the R302609C - HIGHLAND HORIZON median of $781,434, in a neighborhood that appreciated 2.3% over the past year.

Estimated Value Range

$701,808 $1,044,971
Best Estimate
$989,861
WCAD Value
$954,426
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R302609C - HIGHLAND HORIZON. The estimated range of $701,808 and $1,044,971 should be treated as a rough guide.

Comparable Properties (5)

4 bed 3 bath 3,005 sqft Built 2014
Raw Value $850,593
Adjusted Value $701,808

Adjusted -$148,785 for 481 sqft less living space. Net adjustment: -$148,785.

4 bed 3 bath 2,051 sqft Built 2015
Raw Value $855,988
Adjusted Value $989,861

Adjusted +$146,310 for 473 sqft more living space and -$12,437 for being older. Net adjustment: +$133,873.

4 bed 3 bath 1,600 sqft Built 2015
Raw Value $721,044
Adjusted Value $994,423

Adjusted +$285,816 for 924 sqft more living space and -$12,437 for being older. Net adjustment: +$273,379.

5 bed 4 bath 2,332 sqft Built 2015
Raw Value $998,018
Adjusted Value $1,044,971

Adjusted +$59,390 for 192 sqft more living space and -$12,437 for being older. Net adjustment: +$46,953.

5 bed 4 bath 2,355 sqft Built 2016
Raw Value $948,336
Adjusted Value $975,738

Adjusted +$52,276 for 169 sqft more living space and -$24,874 for being older. Net adjustment: +$27,402.

The Neighborhood

This home is valued 22.1% above the R302609C - HIGHLAND HORIZON median of $781,434. With 399 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 2.3% over the past year.

R302609C - HIGHLAND HORIZON

above average
399 Properties
$781,434 Median Value
+2.3% YoY Change
0% Have Pool
100% Have Garage
This Home
$954,426
Median
$781,434

This home is +22.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $19,128 across all districts. With a homestead exemption claimed, that drops to $17,701 — saving $1,427 per year. That's $1,475 per month a buyer should budget. The assessed value increased +6.1% vs the subdivision average of +2.3%. This above-average increase gives a protest opportunity score of 39 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$8,524
Brushy Creek MUDMUD0.3868%$3,692
Williamson CountyCounty0.3694%$3,526
Austin Community Collegespecial0.1034%$987
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$954
Brushy Creek MUD Defined AreaMUD0.0900%$859
Williamson County FM/RdCounty0.0443%$423
Upper Brushy Creek WCIDWater0.0170%$162
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0041%$19,128
39 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $989,861 would pay approximately $6,179 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.

View full property details