Millstone Ridge & Diamond Hills area, Katy 77449

CAD Neighborhood 12.04

Property tax protest data for the Millstone Ridge & Diamond Hills area, Katy 77449 (Neighborhood 12.04) in Harris County. 386 homes, $137/sqft median.

Strong protest signal
89% success rate · $7,037 avg savings · 386 homes analyzed
What protesters saved
$7,037
2.3% median reduction
Protest success rate
89%
Based on 121 hearings
Homes analyzed
386
Median assessment
$137/sqft
Avg: $136/sqft

Source: HCAD public records, 2024 protest season

What this means for your property

386 homes in this area were assessed at a median $137/sqft. With a 89% protest success rate, most homeowners who challenged their assessment received a reduction. If your home is assessed higher than comparable properties, you likely have grounds to protest. An evidence packet shows exactly how your assessment compares — with the specific comps and data you'd present at a hearing.

What's in the evidence packet?

5 comparable properties matched to your home, an assessment gap analysis showing where your value exceeds comps, a filing checklist for HCAD, and a hearing script you can read at your informal hearing.

How does the protest process work?

You file a protest with HCAD (online via iFile), attend an informal hearing where you present your evidence, and most cases settle right there. The evidence packet gives you everything you need for that hearing.

What's the deadline?

The protest deadline for Harris County is May 15. You must file before this date to protest your 2026 assessment.

Check your property

See how your home compares to 386 others in Millstone Ridge & Diamond Hills area, Katy 77449

$49 flat fee · No recurring fees — you keep 100% · 7-day money-back guarantee

📅 Deadline: May 15, 2026 (40 days left) Full refund if unused 🔒 Secure checkout 🛡 No risk — filing can’t raise your taxes

What's in your evidence packet

5 comparable properties matched to your home
Assessment gap analysis with dollar amounts
Harris County filing checklist
Hearing script you can read word-for-word
Comparable sales grid (PDF)
Step-by-step iFile walkthrough
In Harris County, 516,654 property owners protested last year. 89% received a reduction.

Compare similar neighborhoods in Harris County

Neighborhood Homes Median $/Sq Ft Win Rate
Kilrenny & Dornoch area, Spring 77379 145 $137 same 98%
Camberwell Green & Baronshire area, Houston 77070 253 $137 same 91%
Meadow & Meadow Way area, Deer Park 77536 250 $137 same 96%
Trophy Place & Polo Meadow area, Humble 77346 138 $137 same 96%
Juniper & Alta area, Deer Park 77536 88 $137 same 97%

Neighborhoods with the closest median $/sq ft to Millstone Ridge & Diamond Hills area, Katy 77449.

Top flagged properties in Millstone Ridge & Diamond Hills area, Katy 77449

Address % Above $/Sqft Est. Savings
20027 DIAMOND HILLS LN 24% $170 $1,028
19615 IRIS MANOR CT 22% $168 $935
19611 IRIS MANOR CT 21% $166 $934
19606 IRIS MANOR CT 20% $164 $978
4903 ROCKY MANOR LN 19% $163 $757

Properties assessed highest above the neighborhood median.