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4102 E OLD SETTLERS BLVD, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,824 sqftBuilt 1976

Property at a Glance

This home is estimated between $367,057 and $1,225,603, with a best estimate of $482,171. That places the property below the R002D78G - East Round Rock Williamson Co Abstracts lt 20 Acs median of $594,322, in a neighborhood that declined 11.1% over the past year.

Estimated Value Range

$367,057 $1,225,603
Best Estimate
$482,171
WCAD Value
$371,208
Medium Confidence

Based on 5 comparable properties(4 in the same subdivision)

Based on 5 comparable properties (4 in the same subdivision, 1 nearby), the estimated range is $367,057 and $1,225,603. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

4006 E OLD SETTLERS BLVD, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,955 sqft Built 1976
Raw Value $607,744
Adjusted Value $464,613

Adjusted -$43,078 for 131 sqft less living space and -$100,053 for no garage. Net adjustment: -$143,131.

4000 E OLD SETTLERS BLVD, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,520 sqft Built 1985
Raw Value $730,537
Adjusted Value $367,057

Adjusted -$228,870 for 696 sqft less living space and -$34,557 for being older and -$100,053 for no garage. Net adjustment: -$363,480.

4100 E OLD SETTLERS BLVD, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,567 sqft Built 1976
Raw Value $510,818
Adjusted Value $495,276

Adjusted +$84,511 for 257 sqft more living space and -$100,053 for no garage. Net adjustment: -$15,542.

3200 E OLD SETTLERS BLVD, ROUND ROCK, TX 78665
0.00 mi 90% similar Same subdivision
3 bed 2 bath 1,528 sqft Built 1987
Raw Value $1,270,557
Adjusted Value $1,225,603

Adjusted +$97,336 for 296 sqft more living space and -$42,237 for being older and -$100,053 for no garage. Net adjustment: -$44,954.

3 bed 2 bath 1,806 sqft Built 1982
Raw Value $499,290
Adjusted Value $482,171

Adjusted +$5,919 for 18 sqft more living space and -$23,038 for being older. Net adjustment: -$17,119.

The Neighborhood

This home is valued 37.5% below the R002D78G - East Round Rock Williamson Co Abstracts lt 20 Acs median of $594,322. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 11.1% over the past year.

R002D78G - East Round Rock Williamson Co Abstracts lt 20 Acs

below average
82 Properties
$594,322 Median Value
-11.1% YoY Change
1% Have Pool
43% Have Garage
This Home
$371,208
Median
$594,322

This home is -37.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,679 across all districts. With a homestead exemption claimed, that drops to $5,360 — saving $1,319 per year. That's $447 per month a buyer should budget. The assessed value increased roughly in line with the neighborhood, so a tax protest is unlikely to yield significant savings.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$3,315
Round RockCity0.3720%$1,381
Williamson CountyCounty0.3694%$1,371
Austin Community Collegespecial0.1034%$384
Williamson County FM/RdCounty0.0443%$165
Upper Brushy Creek WCIDWater0.0170%$63
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,679

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $482,171 would pay approximately $3,010 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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