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3820 LOMBARD ST, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath3,249 sqftBuilt 2018

Property at a Glance

This home is estimated between $635,937 and $1,153,060, with a best estimate of $864,806. That places the property above the G799514C - MAYFIELD RANCH median of $523,371, in a neighborhood that declined 9.3% over the past year.

Estimated Value Range

$635,937 $1,153,060
Best Estimate
$864,806
WCAD Value
$613,004
Medium Confidence

Based on 5 comparable properties(3 in the same subdivision)

Based on 5 comparable properties (3 in the same subdivision, 2 nearby), the estimated range is $635,937 and $1,153,060. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

3601 BAINBRIDGE ST, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,916 sqft Built 2016
Raw Value $578,786
Adjusted Value $877,929

Adjusted +$295,491 for 1,333 sqft more living space and +$3,652 for being newer. Net adjustment: +$299,143.

3736 BAINBRIDGE ST, ROUND ROCK, TX 78681
0.00 mi 99% similar Same subdivision
4 bed 3 bath 1,916 sqft Built 2014
Raw Value $562,011
Adjusted Value $864,806

Adjusted +$295,491 for 1,333 sqft more living space and +$7,304 for being newer. Net adjustment: +$302,795.

4149 PRESIDIO LN, ROUND ROCK, TX 78681
0.00 mi 96% similar Same subdivision
3 bed 2 bath 2,248 sqft Built 2018
Raw Value $479,901
Adjusted Value $701,796

Adjusted +$221,895 for 1,001 sqft more living space. Net adjustment: +$221,895.

4 bed 2 bath 3,110 sqft Built 2000
Raw Value $572,254
Adjusted Value $635,937

Adjusted +$30,813 for 139 sqft more living space and +$32,870 for being newer. Net adjustment: +$63,683.

4 bed 3 bath 2,219 sqft Built 2007
Raw Value $904,649
Adjusted Value $1,153,060

Adjusted +$228,324 for 1,030 sqft more living space and +$20,087 for being newer. Net adjustment: +$248,411.

The Neighborhood

This home is valued 17.1% above the G799514C - MAYFIELD RANCH median of $523,371. With 1,093 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 9.3% over the past year.

G799514C - MAYFIELD RANCH

above average
1,093 Properties
$523,371 Median Value
-9.3% YoY Change
1% Have Pool
100% Have Garage
This Home
$613,004
Median
$523,371

This home is +17.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $12,666 across all districts. With a homestead exemption claimed, that drops to $11,082 — saving $1,584 per year. That's $924 per month a buyer should budget. The assessed value increased roughly in line with the neighborhood, so a tax protest is unlikely to yield significant savings.

Tax Districts

DistrictTypeRateAnnual Amount
Georgetown ISDSchool1.0506%$6,440
Highlands at Mayfield Ranch MUDMUD0.4850%$2,973
Williamson CountyCounty0.3694%$2,265
Williamson County ESD #9 - Round RockESD0.0999%$612
Williamson County FM/RdCounty0.0443%$272
Upper Brushy Creek WCIDWater0.0170%$104
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0663%$12,666

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $864,806 would pay approximately $5,398 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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