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1008 MARTIN AVE, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed1,568 sqftBuilt 2001

Property at a Glance

This home is estimated between $155,168 and $547,744, with a best estimate of $509,768. That places the property above the AM20SLXI - MH - SGT/SHU/SRR median of $233,506, in a neighborhood that appreciated 30.5% over the past year.

Estimated Value Range

$155,168 $547,744
Best Estimate
$509,768
WCAD Value
$109,114
Low Confidence

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

There are 5 comparable properties within range, but few are in AM20SLXI - MH - SGT/SHU/SRR. The estimated range of $155,168 and $547,744 should be treated as a rough guide.

Comparable Properties (5)

1002 MARTIN AVE, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 1,120 sqft Built 2002
Raw Value $91,081
Adjusted Value $155,168

Adjusted +$61,767 for 448 sqft more living space and +$2,320 for being newer. Net adjustment: +$64,087.

3 bed 2 bath 1,725 sqft Built 2020
Raw Value $409,164
Adjusted Value $431,602

Adjusted -$21,646 for 157 sqft less living space and +$44,084 for being newer. Net adjustment: +$22,438.

4 bed 3 bath 1,678 sqft Built 2017
Raw Value $523,813
Adjusted Value $545,770

Adjusted -$15,166 for 110 sqft less living space and +$37,123 for being newer. Net adjustment: +$21,957.

4 bed 3 bath 1,467 sqft Built 2019
Raw Value $492,055
Adjusted Value $547,744

Adjusted +$13,925 for 101 sqft more living space and +$41,764 for being newer. Net adjustment: +$55,689.

4 bed 3 bath 1,749 sqft Built 2019
Raw Value $492,959
Adjusted Value $509,768

Adjusted -$24,955 for 181 sqft less living space and +$41,764 for being newer. Net adjustment: +$16,809.

The Neighborhood

This home is valued 53.3% below the AM20SLXI - MH - SGT/SHU/SRR median of $233,506. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 30.5% over the past year.

AM20SLXI - MH - SGT/SHU/SRR

outlier low
471 Properties
$233,506 Median Value
+30.5% YoY Change
2% Have Pool
3% Have Garage
This Home
$109,114
Median
$233,506

This home is -53.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $1,666 across all districts. With a homestead exemption claimed, that drops to $672 — saving $994 per year. That's $56 per month a buyer should budget. The assessed value increased +27.1% vs the subdivision average of +30.5%. This increase gives a protest opportunity score of 30 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$974
Williamson CountyCounty0.3694%$403
Austin Community Collegespecial0.1034%$113
Williamson County ESD #9 - Round RockESD0.0999%$109
Williamson County FM/RdCounty0.0443%$48
Upper Brushy Creek WCIDWater0.0170%$19
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$1,666
30 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $509,768 would pay approximately $3,182 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 4/17/2026.

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