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11621 SEWICKLEY CT, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath1,600 sqftBuilt 2015

Property at a Glance

This home is estimated between $277,002 and $669,410, with a best estimate of $420,470. That places the property below the L591503E - AVERY RANCH FAR WEST PH 1 median of $483,591, in a neighborhood that declined 4.9% over the past year.

Estimated Value Range

$277,002 $669,410
Best Estimate
$420,470
WCAD Value
$721,044
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 $277,002 and $669,410. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

11124 CRAZY WELL DR, AUSTIN, TX 78717
0.71 mi 97% similar Same subdivision
3 bed 2 bath 1,629 sqft Built 2005
Raw Value $432,093
Adjusted Value $444,318

Adjusted -$11,997 for 29 sqft less living space and +$24,222 for being newer. Net adjustment: +$12,225.

11120 CRAZY WELL DR, AUSTIN, TX 78717
0.71 mi 95% similar Same subdivision
3 bed 2 bath 1,702 sqft Built 2005
Raw Value $438,445
Adjusted Value $420,470

Adjusted -$42,197 for 102 sqft less living space and +$24,222 for being newer. Net adjustment: -$17,975.

11200 CRAZY WELL DR, AUSTIN, TX 78717
0.71 mi 95% similar Same subdivision
3 bed 2 bath 1,702 sqft Built 2005
Raw Value $437,010
Adjusted Value $419,035

Adjusted -$42,197 for 102 sqft less living space and +$24,222 for being newer. Net adjustment: -$17,975.

10717 KILKEE CV, AUSTIN, TX 78717
0.39 mi 93% similar Same subdivision
3 bed 2 bath 2,209 sqft Built 2005
Raw Value $504,722
Adjusted Value $277,002

Adjusted -$251,942 for 609 sqft less living space and +$24,222 for being newer. Net adjustment: -$227,720.

4 bed 3 bath 2,051 sqft Built 2015
Raw Value $855,988
Adjusted Value $669,410

Adjusted -$186,578 for 451 sqft less living space. Net adjustment: -$186,578.

The Neighborhood

This home is valued 49.1% above the L591503E - AVERY RANCH FAR WEST PH 1 median of $483,591. With 1,612 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 4.9% over the past year.

L591503E - AVERY RANCH FAR WEST PH 1

above average
1,612 Properties
$483,591 Median Value
-4.9% YoY Change
0% Have Pool
100% Have Garage
This Home
$721,044
Median
$483,591

This home is +49.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $15,467 across all districts. With a homestead exemption claimed, that drops to $13,057 — saving $2,410 per year. That's $1,088 per month a buyer should budget. The assessed value increased +3.2% vs the subdivision average of -4.9%. This above-average increase gives a protest opportunity score of 41 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Leander ISDSchool1.0869%$7,837
AustinCity0.5240%$3,778
Williamson CountyCounty0.3694%$2,664
Austin Community Collegespecial0.1034%$746
Williamson County FM/RdCounty0.0443%$320
Upper Brushy Creek WCIDWater0.0170%$123
Road District (R02)Road0.0000%$0
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.1451%$15,467
41 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $420,470 would pay approximately $2,625 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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