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

136 NAVIGATOR DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed2 bath1,675 sqftBuilt 2010

Property at a Glance

This home is estimated between $463,192 and $712,522, with a best estimate of $490,434. 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

$463,192 $712,522
Best Estimate
$490,434
WCAD Value
$614,942
High Confidence

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

Based on 5 comparable properties in R302609C - HIGHLAND HORIZON, this home's estimated market value is between $463,192 and $712,522. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

132 NAVIGATOR DR, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,571 sqft Built 2011
Raw Value $692,789
Adjusted Value $712,522

Adjusted +$32,170 for 104 sqft more living space and -$12,437 for being older. Net adjustment: +$19,733.

132 AZIMUTH DR, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,150 sqft Built 2013
Raw Value $872,634
Adjusted Value $688,394

Adjusted -$146,929 for 475 sqft less living space and -$37,311 for being older. Net adjustment: -$184,240.

137 NAVIGATOR DR, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,886 sqft Built 2010
Raw Value $528,459
Adjusted Value $463,192

Adjusted -$65,267 for 211 sqft less living space. Net adjustment: -$65,267.

133 NAVIGATOR DR, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,702 sqft Built 2011
Raw Value $502,330
Adjusted Value $481,541

Adjusted -$8,352 for 27 sqft less living space and -$12,437 for being older. Net adjustment: -$20,789.

137 AZIMUTH DR, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,481 sqft Built 2011
Raw Value $752,186
Adjusted Value $490,434

Adjusted -$249,315 for 806 sqft less living space and -$12,437 for being older. Net adjustment: -$261,752.

The Neighborhood

This home is valued 21.3% 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

below average
399 Properties
$781,434 Median Value
+2.3% YoY Change
0% Have Pool
100% Have Garage
This Home
$614,942
Median
$781,434

This home is -21.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $12,324 across all districts. With a homestead exemption claimed, that drops to $10,960 — saving $1,364 per year. That's $913 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%$5,492
Brushy Creek MUDMUD0.3868%$2,379
Williamson CountyCounty0.3694%$2,272
Austin Community Collegespecial0.1034%$636
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$615
Brushy Creek MUD Defined AreaMUD0.0900%$553
Williamson County FM/RdCounty0.0443%$273
Upper Brushy Creek WCIDWater0.0170%$105
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0041%$12,324

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $490,434 would pay approximately $3,061 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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