O’Connor is the largest property tax consulting firm in Texas. They have been doing this for 50 years. Here is how their approach compares to ours on price, process, and results.
TL;DR
O’Connor charges approximately 50% of your tax savings — the highest contingency rate among major Texas firms. We charge a one-time $79 and you keep 100% of what you save. O’Connor’s deep expertise matters for complex commercial cases and judicial appeals. For typical residential protests, the math strongly favors the flat-fee approach.
| Texas Property Tax Appeal | O’Connor | |
|---|---|---|
| Pricing model | $79 flat fee, one time | ~50% of savings (contingency) |
| Cost on $1,100 savings | $79 — you keep $1,021 | ~$550 — you keep ~$550 |
| What’s included | 3–5 comps, protest reason, filing guide, hearing walkthrough | Full service: filing, hearing, negotiation, judicial appeal |
| Who does the work | You, with professional evidence | O’Connor handles everything |
| Filing support | Step-by-step filing guide + deadline reminders | They file and attend hearings for you |
| Money-back guarantee | 7-day full refund | No charge if no savings (contingency) |
| Data source | Real CAD certified values (30 TX counties) | 50+ years of proprietary data and expertise |
| Coverage | 30 Texas counties, 5.2M+ properties | 101+ Texas counties + commercial + BPP |
O’Connor’s 50% contingency rate is the highest among major firms. Here is what that looks like on a $1,100 annual reduction over three years.
Texas Property Tax Appeal
$79
Total cost over 3 years
You keep $3,221 of $3,300 in savings
O’Connor (at 50%)
$1,650
Total cost over 3 years
You keep $1,650 of $3,300 in savings
O’Connor is the most established property tax firm in Texas. Their scale and experience genuinely matter in certain situations:
For typical residential property tax protests, the flat-fee model saves you significantly more money:
O’Connor charges a contingency fee of approximately 50% of your first-year tax savings, the highest rate among major Texas property tax consultants. On a $1,100 savings, that is about $550.
For standard residential properties, their 50% fee significantly reduces your net savings. Their deep expertise and judicial appeal capability are most valuable for complex commercial cases, large-dollar residential disputes, or situations where you need to go beyond the ARB hearing.
O’Connor is a full-service firm with 50+ years of experience handling every type of property tax case, charging ~50% of savings. We provide a $79 flat-fee DIY toolkit with real CAD data for residential homeowners in 30 Texas counties.
Yes. O’Connor is one of the few firms that pursues binding arbitration and district court appeals when the administrative process does not produce adequate results. This is a genuine advantage for complex or high-value cases.
Enter your address to see how your home’s assessed value compares to similar properties in your neighborhood. Takes 30 seconds.
Check My Assessment Free