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806 MARTIN AVE, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed7 sqft

Property at a Glance

There are not enough comparable properties nearby to estimate a price range. The Williamson County Appraisal District values this home at $781,745.

Estimated Value Range

WCAD Appraised Value $781,745
Low Confidence

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

Comparable data is not yet available for this property. The Williamson County Appraisal District values it at $781,745.

Comparable Properties (5)

1 bed 7 sqft Built 2015
Raw Value $470,310
Adjusted Value --

This comparable closely matches the subject property's features.

3 bed 2 bath 1,642 sqft Built 1965
Raw Value $359,118
Adjusted Value --

Adjusted -$394,778 for 1,635 sqft less living space and -$0 for being older. Net adjustment: -$394,778.

3 bed 2 bath 1,763 sqft Built 1996
Raw Value $290,851
Adjusted Value --

Adjusted -$423,994 for 1,756 sqft less living space and -$0 for being older. Net adjustment: -$423,994.

3 bed 6,250 sqft Built 1975
Raw Value $1,085,961
Adjusted Value --

Adjusted -$1,507,401 for 6,243 sqft less living space and -$0 for being older. Net adjustment: -$1,507,401.

3 bed 99 sqft Built 2022
Raw Value $6,651,458
Adjusted Value --

Adjusted -$22,214 for 92 sqft less living space and -$0 for being older. Net adjustment: -$22,214.

The Neighborhood

This home is valued 40.0% above the R30QMHP - WEST ROUND ROCK MOBILE HOME PARK median of $558,382. With 7 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 29.5% over the past year.

R30QMHP - WEST ROUND ROCK MOBILE HOME PARK

above average
7 Properties
$558,382 Median Value
+29.5% YoY Change
0% Have Pool
0% Have Garage
This Home
$781,745
Median
$558,382

This home is +40.0% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,250 across all districts. With a homestead exemption claimed, that drops to $4,924 — saving $1,326 per year. That's $410 per month a buyer should budget. The assessed value increased +23.3% vs the subdivision average of +29.5%. This increase gives a protest opportunity score of 50 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$3,655
Williamson CountyCounty0.3694%$1,512
Austin Community Collegespecial0.1034%$423
Williamson County ESD #9 - Round RockESD0.0999%$409
Williamson County FM/RdCounty0.0443%$181
Upper Brushy Creek WCIDWater0.0170%$70
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$6,250
50 / 100

Moderate opportunity to protest.

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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