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

10708 ONYX CV, AUSTIN, TX 78750

AUSTIN, 78750 — williamson County

3 bed2 bath1,453 sqftBuilt 1980

Property at a Glance

This home is estimated between $342,105 and $392,908, with a best estimate of $357,969. 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

$342,105 $392,908
Best Estimate
$357,969
WCAD Value
$355,570
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 $342,105 and $392,908. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

10702 ONYX CV, AUSTIN, TX 78750
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,366 sqft Built 1980
Raw Value $348,543
Adjusted Value $370,143

Adjusted +$21,600 for 87 sqft more living space. Net adjustment: +$21,600.

10704 ONYX CV, AUSTIN, TX 78750
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,616 sqft Built 1980
Raw Value $433,377
Adjusted Value $392,908

Adjusted -$40,469 for 163 sqft less living space. Net adjustment: -$40,469.

10709 ONYX CV, AUSTIN, TX 78750
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,538 sqft Built 1980
Raw Value $363,208
Adjusted Value $342,105

Adjusted -$21,103 for 85 sqft less living space. Net adjustment: -$21,103.

10703 ONYX CV, AUSTIN, TX 78750
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,436 sqft Built 1980
Raw Value $353,748
Adjusted Value $357,969

Adjusted +$4,221 for 17 sqft more living space. Net adjustment: +$4,221.

10707 ONYX CV, AUSTIN, TX 78750
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,506 sqft Built 1980
Raw Value $360,669
Adjusted Value $347,510

Adjusted -$13,159 for 53 sqft less living space. Net adjustment: -$13,159.

The Neighborhood

This home is valued 12.7% below the R353476G - Anderson Mill median of $407,368. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 0.2% over the past year.

R353476G - Anderson Mill

typical
1,663 Properties
$407,368 Median Value
+0.2% YoY Change
3% Have Pool
95% Have Garage
This Home
$355,570
Median
$407,368

This home is -12.7% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,380 across all districts. With a homestead exemption claimed, that drops to $5,692 — saving $1,688 per year. That's $474 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%$3,176
AustinCity0.5240%$1,863
Williamson CountyCounty0.3694%$1,314
Anderson Mill Limited Districtspecial0.1243%$442
Austin Community Collegespecial0.1034%$368
Williamson County FM/RdCounty0.0443%$158
Upper Brushy Creek WCIDWater0.0170%$60
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0756%$7,380

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $357,969 would pay approximately $2,234 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