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4705 KNOLLWOOD CIR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath2,176 sqftBuilt 1986

Property at a Glance

This home is estimated between $471,984 and $1,051,499, with a best estimate of $662,170. That places the property below the L580D75C - LEANDER SAM BASS AREA median of $974,644, in a neighborhood that appreciated 7.9% over the past year.

Estimated Value Range

$471,984 $1,051,499
Best Estimate
$662,170
WCAD Value
$886,662
Low Confidence

Based on 5 comparable properties(1 in the same subdivision)

There are 5 comparable properties within range, but few are in L580D75C - LEANDER SAM BASS AREA. The estimated range of $471,984 and $1,051,499 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 1,929 sqft Built 1983
Raw Value $502,790
Adjusted Value $573,499

Adjusted +$98,162 for 247 sqft more living space and +$33,696 for being newer and -$61,149 for no garage. Net adjustment: +$70,709.

3 bed 2 bath 2,036 sqft Built 1978
Raw Value $785,681
Adjusted Value $870,025

Adjusted +$55,638 for 140 sqft more living space and +$89,855 for being newer and -$61,149 for no garage. Net adjustment: +$84,344.

3 bed 2 bath 2,482 sqft Built 1983
Raw Value $811,232
Adjusted Value $662,170

Adjusted -$121,609 for 306 sqft less living space and +$33,696 for being newer and -$61,149 for no garage. Net adjustment: -$149,062.

4717 KNOLLWOOD CIR, ROUND ROCK, TX 78681
0.00 mi 98% similar Same subdivision
3 bed 2 bath 3,795 sqft Built 1980
Raw Value $1,048,008
Adjusted Value $471,984

Adjusted -$643,415 for 1,619 sqft less living space and +$67,391 for being newer. Net adjustment: -$576,024.

4 bed 2 bath 2,029 sqft Built 1978
Raw Value $964,373
Adjusted Value $1,051,499

Adjusted +$58,420 for 147 sqft more living space and +$89,855 for being newer and -$61,149 for no garage. Net adjustment: +$87,126.

The Neighborhood

This home is valued 9.0% below the L580D75C - LEANDER SAM BASS AREA median of $974,644. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 7.9% over the past year.

L580D75C - LEANDER SAM BASS AREA

typical
397 Properties
$974,644 Median Value
+7.9% YoY Change
6% Have Pool
81% Have Garage
This Home
$886,662
Median
$974,644

This home is -9.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $14,767 across all districts. With a homestead exemption claimed, that drops to $13,086 — saving $1,681 per year. That's $1,091 per month a buyer should budget. The assessed value increased +13.7% vs the subdivision average of +7.9%. This above-average increase gives a protest opportunity score of 64 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Leander ISDSchool1.0869%$9,325
Williamson CountyCounty0.3694%$3,170
Austin Community Collegespecial0.1034%$887
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$858
Williamson County FM/RdCounty0.0443%$380
Upper Brushy Creek WCIDWater0.0170%$146
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7211%$14,767
64 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $662,170 would pay approximately $4,133 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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