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624 KOLBO DR, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath1,922 sqftBuilt 2018

Property at a Glance

This home is estimated between $668,595 and $813,401, with a best estimate of $768,426. That places the property above the R500515C - FOREST GROVE median of $686,297, in a neighborhood that declined 2.9% over the past year.

Estimated Value Range

$668,595 $813,401
Best Estimate
$768,426
WCAD Value
$674,331
High Confidence

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

Based on 5 comparable properties in R500515C - FOREST GROVE, this home's estimated market value is between $668,595 and $813,401. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

524 KOLBO DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
5 bed 3 bath 1,947 sqft Built 2018
Raw Value $775,066
Adjusted Value $768,426

Adjusted -$6,640 for 25 sqft less living space. Net adjustment: -$6,640.

516 KOLBO DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
5 bed 3 bath 1,925 sqft Built 2018
Raw Value $670,242
Adjusted Value $669,445

Adjusted -$797 for 3 sqft less living space. Net adjustment: -$797.

608 KOLBO DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,253 sqft Built 2018
Raw Value $756,510
Adjusted Value $668,595

Adjusted -$87,915 for 331 sqft less living space. Net adjustment: -$87,915.

536 KOLBO DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,909 sqft Built 2018
Raw Value $768,825
Adjusted Value $772,278

Adjusted +$3,453 for 13 sqft more living space. Net adjustment: +$3,453.

612 KOLBO DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
5 bed 2 bath 1,625 sqft Built 2018
Raw Value $734,516
Adjusted Value $813,401

Adjusted +$78,885 for 297 sqft more living space. Net adjustment: +$78,885.

The Neighborhood

This home is valued 1.7% below the R500515C - FOREST GROVE median of $686,297. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 2.9% over the past year.

R500515C - FOREST GROVE

typical
197 Properties
$686,297 Median Value
-2.9% YoY Change
1% Have Pool
100% Have Garage
This Home
$674,331
Median
$686,297

This home is -1.7% below the subdivision median.

Tax Analysis

The estimated annual property tax is $12,133 across all districts. With a homestead exemption claimed, that drops to $10,758 — saving $1,375 per year. That's $897 per month a buyer should budget. The assessed value increased +4.9% vs the subdivision average of -2.9%. This above-average increase gives a protest opportunity score of 49 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$6,022
Round RockCity0.3720%$2,509
Williamson CountyCounty0.3694%$2,491
Austin Community Collegespecial0.1034%$697
Williamson County FM/RdCounty0.0443%$299
Upper Brushy Creek WCIDWater0.0170%$115
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$12,133
49 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $768,426 would pay approximately $4,796 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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