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904 MARTIN AVE, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed924 sqftBuilt 2025

Property at a Glance

This home is estimated between $50,412 and $511,731, with a best estimate of $411,967. That places the property above the AM00D93I-ALL COUNTY Mobile Homes in Parks & Mobile Home Only median of $84,699, in a neighborhood that appreciated 3.0% over the past year.

Estimated Value Range

$50,412 $511,731
Best Estimate
$411,967
WCAD Value
$54,803
Low Confidence

Based on 5 comparable properties(2 in the same subdivision)

There are 5 comparable properties within range, but few are in AM00D93I-ALL COUNTY Mobile Homes in Parks & Mobile Home Only. The estimated range of $50,412 and $511,731 should be treated as a rough guide.

Comparable Properties (5)

908 MARTIN AVE, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 1,140 sqft Built 2025
Raw Value $63,653
Adjusted Value $50,412

Adjusted -$13,241 for 216 sqft less living space. Net adjustment: -$13,241.

906 MARTIN AVE, ROUND ROCK, TX 78681
0.00 mi 99% similar Same subdivision
3 bed 1,140 sqft Built 2007
Raw Value $42,435
Adjusted Value $65,400

Adjusted -$13,241 for 216 sqft less living space and +$36,206 for being newer. Net adjustment: +$22,965.

3 bed 2 bath 1,220 sqft Built 1998
Raw Value $435,996
Adjusted Value $411,967

Adjusted -$18,145 for 296 sqft less living space and +$54,309 for being newer and -$60,193 for no garage. Net adjustment: -$24,029.

4 bed 3 bath 1,285 sqft Built 2000
Raw Value $543,768
Adjusted Value $511,731

Adjusted -$22,130 for 361 sqft less living space and +$50,286 for being newer and -$60,193 for no garage. Net adjustment: -$32,037.

4 bed 2 bath 1,212 sqft Built 1993
Raw Value $508,625
Adjusted Value $495,143

Adjusted -$17,655 for 288 sqft less living space and +$64,366 for being newer and -$60,193 for no garage. Net adjustment: -$13,482.

The Neighborhood

This home is valued 35.3% below the AM00D93I-ALL COUNTY Mobile Homes in Parks & Mobile Home Only median of $84,699. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 3.0% over the past year.

AM00D93I-ALL COUNTY Mobile Homes in Parks & Mobile Home Only

below average
113 Properties
$84,699 Median Value
+3.0% YoY Change
0% Have Pool
0% Have Garage
This Home
$54,803
Median
$84,699

This home is -35.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $837 across all districts. With a homestead exemption claimed, that drops to $329 — saving $508 per year. That's $27 per month a buyer should budget.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$489
Williamson CountyCounty0.3694%$202
Austin Community Collegespecial0.1034%$57
Williamson County ESD #9 - Round RockESD0.0999%$55
Williamson County FM/RdCounty0.0443%$24
Upper Brushy Creek WCIDWater0.0170%$9
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$837
50 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $411,967 would pay approximately $2,571 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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