CAD Neighborhood COCITY4
Property tax protest data for the Shirley Jean & Mary Lee area, Collinsville (Neighborhood COCITY4) in Grayson County. 11 homes, $200/sqft median.
Source: Grayson CAD public records, 2024 protest season
11 homes in this area were assessed at a median $200/sqft. With a 57% 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.
5 comparable properties matched to your home, an assessment gap analysis showing where your value exceeds comps, a filing checklist for Grayson CAD, and a hearing script you can read at your informal hearing.
You file a protest with Grayson CAD (online via BIS Consultants Taxpayer Portal), 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.
The protest deadline for Grayson County is May 15. You must file before this date to protest your 2026 assessment.
See how your home compares to 11 others in Shirley Jean & Mary Lee area, Collinsville
$49 flat fee · No recurring fees — you keep 100% · 7-day money-back guarantee
| Neighborhood | Homes | Median $/Sq Ft | Win Rate |
|---|---|---|---|
| Tanglewood area, Pottsboro | 47 | $200 same | — |
| Luella & Golden area, Sherman | 10 | $201 +$1.1 | — |
| Southgale & Richerson area, Denison | 27 | $201 +$1.1 | — |
| Morrison & Old Dorchester area, Howe | 16 | $201 +$1.2 | — |
| Fm 121 & Oil Mill area, Van Alstyne | 41 | $202 +$1.8 | — |
Neighborhoods with the closest median $/sq ft to Shirley Jean & Mary Lee area, Collinsville.