Greenhill Ave & Ontario Lp area, Sunnyvale 75182

CAD Neighborhood 3YSS23

Property tax protest data for the Greenhill Ave & Ontario Lp area, Sunnyvale 75182 (Neighborhood 3YSS23) in Dallas County. 80 homes, $198/sqft median.

Below-average protest signal
17% success rate · Outcomes below county averages
What protesters saved
$20,500
3.1% median reduction
Protest success rate
17%
Based on 6 hearings
Homes analyzed
80
Median assessment
$198/sqft
Avg: $203/sqft

Source: DCAD public records, 2024 protest season

What this means for your property

80 homes in this area were assessed at a median $198/sqft. If your home is assessed higher than comparable properties nearby, you may have grounds to protest your assessment. 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 DCAD, and a hearing script you can read at your informal hearing.

How does the protest process work?

You file a protest with DCAD (online via uFile Online Protest), 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 Dallas County is May 15. You must file before this date to protest your 2026 assessment.

Check your property

See how your home compares to 80 others in Greenhill Ave & Ontario Lp area, Sunnyvale 75182

$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
Dallas County filing checklist
Hearing script you can read word-for-word
Comparable sales grid (PDF)
Step-by-step uFile Online Protest walkthrough
In Dallas County, 206,170 property owners protested last year. 52% received a reduction.

Compare similar neighborhoods in Dallas County

Neighborhood Homes Median $/Sq Ft Win Rate
Springwood Dr & Forest Oaks Dr area, Grand Prairie (dallas Co) 75052 121 $198 same 25%
Fairview Ave & Judy Ln area, Seagoville (dallas Co) 75159 92 $198 same 75%
W Holland Dr & E Newton Cir area, Irving 75062 112 $198 same 83%
Waterford Way & Greenwich Dr area, Carrollton (dallas Co) 75006 57 $198 same 25%
Barclay Dr & Aurora Dr area, Richardson 75081 325 $198 same 41%

Neighborhoods with the closest median $/sq ft to Greenhill Ave & Ontario Lp area, Sunnyvale 75182.

Top flagged properties in Greenhill Ave & Ontario Lp area, Sunnyvale 75182

Address % Above $/Sqft Est. Savings
296 GREENHILL AVE 28% $254 $3,131
301 ONTARIO LP 25% $248 $2,381
306 ONTARIO LP 23% $244 $2,280
294 GREENHILL AVE 23% $243 $2,295
297 CRYSTAL CV 22% $242 $2,246

Properties assessed highest above the neighborhood median.