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1108 MARTIN AVE, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed1,928 sqftBuilt 1961

Property at a Glance

This home is estimated between $251,691 and $570,807, with a best estimate of $394,807. 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

$251,691 $570,807
Best Estimate
$394,807
WCAD Value
$177,520
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 $251,691 and $570,807 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 1,642 sqft Built 1965
Raw Value $359,118
Adjusted Value $407,830

Adjusted +$39,431 for 286 sqft more living space and +$9,281 for being newer. Net adjustment: +$48,712.

3 bed 2 bath 1,763 sqft Built 1996
Raw Value $290,851
Adjusted Value $394,807

Adjusted +$22,749 for 165 sqft more living space and +$81,207 for being newer. Net adjustment: +$103,956.

2 bed 1 bath 1,320 sqft Built 1965
Raw Value $264,932
Adjusted Value $358,039

Adjusted +$83,826 for 608 sqft more living space and +$9,281 for being newer. Net adjustment: +$93,107.

3 bed 2 bath 2,165 sqft Built 2017
Raw Value $473,551
Adjusted Value $570,807

Adjusted -$32,676 for 237 sqft less living space and +$129,932 for being newer. Net adjustment: +$97,256.

2508E BLESSING AVE, ROUND ROCK, TX 78681
0.00 mi 62% similar Same subdivision
3 bed 480 sqft Built 1970
Raw Value $31,170
Adjusted Value $251,691

Adjusted +$199,639 for 1,448 sqft more living space and +$20,882 for being newer. Net adjustment: +$220,521.

The Neighborhood

This home is valued 24.0% 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

below average
471 Properties
$233,506 Median Value
+30.5% YoY Change
2% Have Pool
3% Have Garage
This Home
$177,520
Median
$233,506

This home is -24.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $2,711 across all districts. With a homestead exemption claimed, that drops to $1,428 — saving $1,283 per year. That's $119 per month a buyer should budget. The assessed value increased +19.1% vs the subdivision average of +30.5%. This increase gives a protest opportunity score of 35 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$1,585
Williamson CountyCounty0.3694%$656
Austin Community Collegespecial0.1034%$184
Williamson County ESD #9 - Round RockESD0.0999%$177
Williamson County FM/RdCounty0.0443%$79
Upper Brushy Creek WCIDWater0.0170%$30
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$2,711
35 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $394,807 would pay approximately $2,464 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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