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1109 MARTIN AVE, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed11,990 sqftBuilt 1975

Property at a Glance

This home is estimated between $1,965,080 and $2,097,789, with a best estimate of $2,050,396. That places the property above the R30IS - Storage Warehouse-west Round Rock median of $1,125,302, in a neighborhood that appreciated 11.8% over the past year.

Estimated Value Range

$1,965,080 $2,097,789
Best Estimate
$2,050,396
WCAD Value
$1,125,302
Low Confidence

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

There are 5 comparable properties within range, but none are in R30IS - Storage Warehouse-west Round Rock. The estimated range of $1,965,080 and $2,097,789 should be treated as a rough guide.

Comparable Properties (5)

3 bed 6,250 sqft Built 1975
Raw Value $1,085,961
Adjusted Value $2,050,396

Adjusted +$964,435 for 5,740 sqft more living space. Net adjustment: +$964,435.

3 bed 2 bath 1,642 sqft Built 1965
Raw Value $359,118
Adjusted Value $2,097,789

Adjusted +$1,738,671 for 10,348 sqft more living space. Net adjustment: +$1,738,671.

3 bed 2 bath 1,763 sqft Built 1996
Raw Value $290,851
Adjusted Value $2,009,191

Adjusted +$1,718,340 for 10,227 sqft more living space. Net adjustment: +$1,718,340.

2 bed 1 bath 1,320 sqft Built 1965
Raw Value $264,932
Adjusted Value $2,057,705

Adjusted +$1,792,773 for 10,670 sqft more living space. Net adjustment: +$1,792,773.

3 bed 480 sqft Built 1970
Raw Value $31,170
Adjusted Value $1,965,080

Adjusted +$1,933,910 for 11,510 sqft more living space. Net adjustment: +$1,933,910.

The Neighborhood

This home is in line with the R30IS - Storage Warehouse-west Round Rock median of $1,125,302. The neighborhood appreciated 11.8% over the past year.

R30IS - Storage Warehouse-west Round Rock

typical
11 Properties
$1,125,302 Median Value
+11.8% YoY Change
0% Have Pool
0% Have Garage
This Home
$1,125,302
Median
$1,125,302

This home is +0.0% above the subdivision median.

Tax Analysis

The estimated annual property tax is $17,185 across all districts. With a homestead exemption claimed, that drops to $15,727 — saving $1,458 per year. That's $1,311 per month a buyer should budget. The assessed value increased +18.5% vs the subdivision average of +11.8%. This above-average increase gives a protest opportunity score of 79 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$10,050
Williamson CountyCounty0.3694%$4,157
Austin Community Collegespecial0.1034%$1,164
Williamson County ESD #9 - Round RockESD0.0999%$1,124
Williamson County FM/RdCounty0.0443%$499
Upper Brushy Creek WCIDWater0.0170%$191
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$17,185
79 / 100

There may be a strong case to protest this appraisal.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $2,050,396 would pay approximately $12,799 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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