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2638 COLLINGWOOD DR, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2,462 sqftBuilt 2004

Property at a Glance

This home is estimated between $562,719 and $956,335, with a best estimate of $669,799. That places the property below the R570604B - LAKE FOREST - NORTH OF FOREST CREEK median of $993,997, in a neighborhood that appreciated 8.1% over the past year.

Estimated Value Range

$562,719 $956,335
Best Estimate
$669,799
WCAD Value
$980,641
Low Confidence

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

There are 5 comparable properties within range, but few are in R570604B - LAKE FOREST - NORTH OF FOREST CREEK. The estimated range of $562,719 and $956,335 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 2,305 sqft Built 2007
Raw Value $461,479
Adjusted Value $562,719

Adjusted +$57,620 for 157 sqft more living space and +$43,620 for being newer. Net adjustment: +$101,240.

2606 COLLINGWOOD DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,382 sqft Built 2002
Raw Value $923,426
Adjusted Value $923,706

Adjusted +$29,360 for 80 sqft more living space and -$29,080 for being older. Net adjustment: +$280.

3 bed 2 bath 2,448 sqft Built 2017
Raw Value $421,647
Adjusted Value $615,806

Adjusted +$5,138 for 14 sqft more living space and +$189,021 for being newer. Net adjustment: +$194,159.

4 bed 3 bath 2,470 sqft Built 2013
Raw Value $828,410
Adjusted Value $956,335

Adjusted -$2,936 for 8 sqft less living space and +$130,861 for being newer. Net adjustment: +$127,925.

3 bed 2 bath 2,208 sqft Built 2014
Raw Value $431,179
Adjusted Value $669,799

Adjusted +$93,219 for 254 sqft more living space and +$145,401 for being newer. Net adjustment: +$238,620.

The Neighborhood

This home is valued 1.3% below the R570604B - LAKE FOREST - NORTH OF FOREST CREEK median of $993,997. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 8.1% over the past year.

R570604B - LAKE FOREST - NORTH OF FOREST CREEK

typical
127 Properties
$993,997 Median Value
+8.1% YoY Change
1% Have Pool
95% Have Garage
This Home
$980,641
Median
$993,997

This home is -1.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $17,005 across all districts. With a homestead exemption claimed, that drops to $15,580 — saving $1,425 per year. That's $1,298 per month a buyer should budget. The assessed value increased +14.1% vs the subdivision average of +8.1%. This above-average increase gives a protest opportunity score of 65 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$8,440
Round RockCity0.3720%$3,516
Williamson CountyCounty0.3694%$3,492
Austin Community Collegespecial0.1034%$977
Williamson County FM/RdCounty0.0443%$419
Upper Brushy Creek WCIDWater0.0170%$161
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$17,005
65 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $669,799 would pay approximately $4,181 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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