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1102 MARTIN AVE, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

2 bed5 sqftBuilt 2025

Property at a Glance

This home is estimated between $-227,688 and $6,628,458, with a best estimate of $-106,110. That places the property below the R30QMHP - WEST ROUND ROCK MOBILE HOME PARK median of $558,382, in a neighborhood that appreciated 29.5% over the past year.

Estimated Value Range

$-227,688 $6,628,458
Best Estimate
$-106,110
WCAD Value
$558,382
Low Confidence

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

There are 5 comparable properties within range, but none are in R30QMHP - WEST ROUND ROCK MOBILE HOME PARK. The estimated range of $-227,688 and $6,628,458 should be treated as a rough guide.

Comparable Properties (5)

1 bed 7 sqft Built 2015
Raw Value $470,310
Adjusted Value $468,816

Adjusted -$483 for 2 sqft less living space and -$1,011 for being older. Net adjustment: -$1,494.

2 bed 2 bath 2,217 sqft Built 2020
Raw Value $488,687
Adjusted Value $-106,110

Adjusted -$534,098 for 2,212 sqft less living space and -$506 for being older and -$60,193 for no garage. Net adjustment: -$594,797.

3 bed 2 bath 2,165 sqft Built 2017
Raw Value $473,551
Adjusted Value $-108,993

Adjusted -$521,542 for 2,160 sqft less living space and -$809 for being older and -$60,193 for no garage. Net adjustment: -$582,544.

3 bed 99 sqft Built 2022
Raw Value $6,651,458
Adjusted Value $6,628,458

Adjusted -$22,697 for 94 sqft less living space and -$303 for being older. Net adjustment: -$23,000.

3 bed 1,216 sqft Built 2024
Raw Value $64,815
Adjusted Value $-227,688

Adjusted -$292,402 for 1,211 sqft less living space and -$101 for being older. Net adjustment: -$292,503.

The Neighborhood

This home is in line with the R30QMHP - WEST ROUND ROCK MOBILE HOME PARK median of $558,382. The neighborhood appreciated 29.5% over the past year.

R30QMHP - WEST ROUND ROCK MOBILE HOME PARK

typical
7 Properties
$558,382 Median Value
+29.5% YoY Change
0% Have Pool
0% Have Garage
This Home
$558,382
Median
$558,382

This home is +0.0% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,528 across all districts. With a homestead exemption claimed, that drops to $7,174 — saving $1,354 per year. That's $598 per month a buyer should budget. The assessed value increased +105.5% vs the subdivision average of +29.5%. This above-average increase gives a protest opportunity score of 100 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$4,987
Williamson CountyCounty0.3694%$2,063
Austin Community Collegespecial0.1034%$577
Williamson County ESD #9 - Round RockESD0.0999%$558
Williamson County FM/RdCounty0.0443%$248
Upper Brushy Creek WCIDWater0.0170%$95
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$8,528
100 / 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 $-106,110 would pay approximately $-662 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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