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421 SIERRA MAR LOOP, LEANDER, TX 78641

LEANDER, 78641 — williamson County

3 bed2 bath1,728 sqftBuilt 2016

Property at a Glance

This home is estimated between $332,702 and $469,979, with a best estimate of $389,449. That places the property above the L121405G - SUMMERLYNN PULTE & CENTEX median of $329,526, in a neighborhood that declined 4.5% over the past year.

Estimated Value Range

$332,702 $469,979
Best Estimate
$389,449
WCAD Value
$328,892
High Confidence

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

Based on 5 comparable properties in L121405G - SUMMERLYNN PULTE & CENTEX, this home's estimated market value is between $332,702 and $469,979. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

417 SIERRA MAR LOOP, LEANDER, TX 78641
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,732 sqft Built 2017
Raw Value $332,815
Adjusted Value $332,702

Adjusted -$881 for 4 sqft less living space and +$768 for being newer. Net adjustment: -$113.

423 SIERRA MAR LOOP, LEANDER, TX 78641
0.01 mi 100% similar Same subdivision
4 bed 2 bath 1,618 sqft Built 2017
Raw Value $444,971
Adjusted Value $469,979

Adjusted +$24,240 for 110 sqft more living space and +$768 for being newer. Net adjustment: +$25,008.

413 SIERRA MAR LOOP, LEANDER, TX 78641
0.02 mi 100% similar Same subdivision
4 bed 3 bath 1,590 sqft Built 2016
Raw Value $415,257
Adjusted Value $445,668

Adjusted +$30,411 for 138 sqft more living space. Net adjustment: +$30,411.

427 SIERRA MAR LOOP, LEANDER, TX 78641
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,431 sqft Built 2017
Raw Value $310,463
Adjusted Value $376,680

Adjusted +$65,449 for 297 sqft more living space and +$768 for being newer. Net adjustment: +$66,217.

409 SIERRA MAR LOOP, LEANDER, TX 78641
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,471 sqft Built 2017
Raw Value $332,047
Adjusted Value $389,449

Adjusted +$56,634 for 257 sqft more living space and +$768 for being newer. Net adjustment: +$57,402.

The Neighborhood

This home is in line with the L121405G - SUMMERLYNN PULTE & CENTEX median of $329,526. Note that values in this subdivision declined 4.5% over the past year.

L121405G - SUMMERLYNN PULTE & CENTEX

typical
1,278 Properties
$329,526 Median Value
-4.5% YoY Change
1% Have Pool
100% Have Garage
This Home
$328,892
Median
$329,526

This home is -0.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,244 across all districts. With a homestead exemption claimed, that drops to $5,662 — saving $1,582 per year. That's $472 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
Leander ISDSchool1.0869%$3,575
Williamson County MUD #13MUD0.5241%$1,724
Williamson CountyCounty0.3694%$1,215
Austin Community Collegespecial0.1034%$340
Williamson County ESD #4 - Liberty HillESD0.0745%$245
Williamson County FM/RdCounty0.0443%$146
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.2027%$7,244

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $389,449 would pay approximately $2,431 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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