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606 MAIN AVE E, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

2 bed1 bath1,130 sqftBuilt 1920

Property at a Glance

This home is estimated between $333,366 and $495,593, with a best estimate of $397,995. That places the property below the R703T14G - Round Rock Historical median of $404,269, in a neighborhood that appreciated 33.1% over the past year.

Estimated Value Range

$333,366 $495,593
Best Estimate
$397,995
WCAD Value
$330,145
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 $333,366 and $495,593. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

402 MAIN AVE E, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
2 bed 1 bath 1,280 sqft Built 1930
Raw Value $332,506
Adjusted Value $344,153

Adjusted -$47,262 for 150 sqft less living space and +$58,909 for being newer. Net adjustment: +$11,647.

800 E MAIN ST, ROUND ROCK, TX 78664
0.00 mi 96% similar Same subdivision
4 bed 1,121 sqft Built 1907
Raw Value $569,339
Adjusted Value $495,593

Adjusted +$2,836 for 9 sqft more living space and -$76,582 for being older. Net adjustment: -$73,746.

701 E MAIN ST, ROUND ROCK, TX 78664
0.00 mi 93% similar Same subdivision
2 bed 1 bath 1,542 sqft Built 1930
Raw Value $404,269
Adjusted Value $333,366

Adjusted -$129,812 for 412 sqft less living space and +$58,909 for being newer. Net adjustment: -$70,903.

2 bed 1 bath 1,056 sqft Built 1950
Raw Value $197,951
Adjusted Value $397,995

Adjusted +$23,316 for 74 sqft more living space and +$176,728 for being newer. Net adjustment: +$200,044.

808 MAIN AVE E, ROUND ROCK, TX 78664
0.00 mi 87% similar Same subdivision
3 bed 2 bath 1,510 sqft Built 1930
Raw Value $658,171
Adjusted Value $489,825

Adjusted -$119,729 for 380 sqft less living space and +$58,909 for being newer and -$107,526 for no garage. Net adjustment: -$168,346.

The Neighborhood

This home is valued 18.3% below the R703T14G - Round Rock Historical median of $404,269. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 33.1% over the past year.

R703T14G - Round Rock Historical

below average
59 Properties
$404,269 Median Value
+33.1% YoY Change
9% Have Pool
14% Have Garage
This Home
$330,145
Median
$404,269

This home is -18.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,940 across all districts. With a homestead exemption claimed, that drops to $4,629 — saving $1,311 per year. That's $386 per month a buyer should budget. The assessed value increased +16.1% vs the subdivision average of +33.1%. This increase gives a protest opportunity score of 35 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$2,949
Round RockCity0.3720%$1,228
Williamson CountyCounty0.3694%$1,220
Austin Community Collegespecial0.1034%$341
Williamson County FM/RdCounty0.0443%$146
Upper Brushy Creek WCIDWater0.0170%$56
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,940
35 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $397,995 would pay approximately $2,484 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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