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509 NAVIGATOR DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

3 bed2 bath2,396 sqftBuilt 2013

Property at a Glance

This home is estimated between $612,820 and $770,968, with a best estimate of $731,969. That places the property below the R302609C - HIGHLAND HORIZON median of $781,434, in a neighborhood that appreciated 2.3% over the past year.

Estimated Value Range

$612,820 $770,968
Best Estimate
$731,969
WCAD Value
$669,660
Low Confidence

Based on 5 comparable properties(1 in the same subdivision)

There are 5 comparable properties within range, but few are in R302609C - HIGHLAND HORIZON. The estimated range of $612,820 and $770,968 should be treated as a rough guide.

Comparable Properties (5)

413 NAVIGATOR DR, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,825 sqft Built 2013
Raw Value $863,445
Adjusted Value $730,745

Adjusted -$132,700 for 429 sqft less living space. Net adjustment: -$132,700.

3 bed 2 bath 2,375 sqft Built 2014
Raw Value $618,761
Adjusted Value $612,820

Adjusted +$6,496 for 21 sqft more living space and -$12,437 for being older. Net adjustment: -$5,941.

3 bed 2 bath 2,281 sqft Built 2004
Raw Value $584,464
Adjusted Value $731,969

Adjusted +$35,572 for 115 sqft more living space and +$111,933 for being newer. Net adjustment: +$147,505.

3 bed 2 bath 2,415 sqft Built 1992
Raw Value $515,669
Adjusted Value $770,968

Adjusted -$5,877 for 19 sqft less living space and +$261,176 for being newer. Net adjustment: +$255,299.

3 bed 2 bath 2,440 sqft Built 1991
Raw Value $494,643
Adjusted Value $754,646

Adjusted -$13,610 for 44 sqft less living space and +$273,613 for being newer. Net adjustment: +$260,003.

The Neighborhood

This home is valued 14.3% below the R302609C - HIGHLAND HORIZON median of $781,434. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 2.3% over the past year.

R302609C - HIGHLAND HORIZON

typical
399 Properties
$781,434 Median Value
+2.3% YoY Change
0% Have Pool
100% Have Garage
This Home
$669,660
Median
$781,434

This home is -14.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $13,421 across all districts. With a homestead exemption claimed, that drops to $12,047 — saving $1,374 per year. That's $1,004 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%$5,981
Brushy Creek MUDMUD0.3868%$2,590
Williamson CountyCounty0.3694%$2,474
Austin Community Collegespecial0.1034%$692
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$670
Brushy Creek MUD Defined AreaMUD0.0900%$603
Williamson County FM/RdCounty0.0443%$297
Upper Brushy Creek WCIDWater0.0170%$114
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0041%$13,421

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $731,969 would pay approximately $4,569 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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