Texas Ownwell alternatives side by side: TaxDrop One, TaxDrop Pro, O'Connor, Five Stone and DIY, with fees, counties, the May 15 deadline and worked math.

In Texas, the main alternatives to Ownwell are TaxDrop One, TaxDrop Pro, O'Connor, Five Stone Tax Advisers and filing the protest yourself. TaxDrop One is a $129 flat-fee evidence package, refunded if there's no reduction, available in 43 counties. TaxDrop Pro is full service at 1% of the assessment reduction in 17 counties. O'Connor charges half of first-year tax savings. Five Stone charges 40% of tax savings in seven Central and North Texas counties. For comparison, Ownwell charges 25% of tax savings in Texas, with no upfront or minimum fee. Which option costs you least depends on the size of your likely win: a flat fee comes out ahead on bigger reductions, and a low percentage comes out ahead on small ones.
Competitor fees and coverage come from each company's own website as of September 24, 2026. Confirm current terms for your address before you sign.
| Option | Fee | If there's no reduction | Who does the work | Texas coverage (per its own site) |
|---|---|---|---|---|
| Ownwell (baseline) | 25% of tax savings, no minimum | No fee | Ownwell's local consultants handle hearings and negotiations | Texas (plus eight other states) |
| TaxDrop One | $129 per property, per tax year | Refunded | You file and present, using TaxDrop's evidence package, email script and hearing talking points. A tax agent reviews every case | 43 counties |
| TaxDrop Pro | 1% of the assessment reduction | No fee | TaxDrop's licensed agents register, file, negotiate and present at the ARB | 17 counties |
| O'Connor | Half of first-year tax savings | No fee | O'Connor files the protest and attends the hearing | Texas residential (also IL, GA, NY) |
| Five Stone Tax Advisers | 40% of tax savings | No fee | Five Stone files, prepares and presents | Residential: Travis, Hays, Williamson, Burnet, Bell, Tarrant, Denton |
| File it yourself | Free | n/a | You | Every county |
Here's a worked example with stated assumptions. It's not a prediction. Say a protest lowers your value by $40,000 and your combined tax rate is 2.2%. That's $880 in tax savings for the year.
| Option | Fee | You keep |
|---|---|---|
| File it yourself | $0 | $880 |
| TaxDrop One | $129 | $751 |
| Ownwell (25%) | $220 | $660 |
| Five Stone (40%) | $352 | $528 |
| TaxDrop Pro (1% × $40,000) | $400 | $480 |
| O'Connor (50%) | $440 | $440 |
Two things stand out:
For $129 per property per tax year, TaxDrop One gives you the forms for your county, MLS sales data, county assessment data, counterpoints to the district's evidence, an email script for informal negotiation, and ARB talking points. A tax agent reviews every case. The analysis and estimate are free before you pay, and TaxDrop refunds the fee if you file with its evidence package and don't save. It's available in 43 Texas counties. See TaxDrop One.
Best for: owners who expect a meaningful reduction and are comfortable attending an informal review or ARB hearing themselves.
Pro registers as your agent, files the protest, builds the case from comparable sales, comparable assessments, condition and location, negotiates with the appraisal district and presents at the ARB. The fee is 1% of the assessment reduction, and nothing is owed without a reduction. Check your address, because Pro only covers 17 counties. Texas property tax consultant.
Best for: owners in a Pro county who want TaxDrop's team to handle everything. Before you choose, compare the fee with a savings-based fee using your own tax rate.
O'Connor says it handles residential protests in Texas, Illinois, Georgia and New York. You pay half of first-year tax savings, and nothing unless it reduces your taxes. It files the protest and attends the hearing. Its fees page says the fee applies to the protested year only, and that the contract continues until you cancel, with O'Connor protesting each year. It also says clients aren't billed for court costs, appraisals, expert witness fees or legal fees. TaxDrop One vs O'Connor.
Best for: owners who want a long-established, full-service Texas firm and accept a 50% share.
Five Stone charges 40% of the tax savings it secures, with no upfront fee. Its FAQ lists residential service in Travis, Hays, Williamson, Burnet, Bell, Tarrant and Denton counties, and commercial service statewide. Its agreement stays in effect until you cancel in writing, which you can do any time before your protest is filed.
Best for: Austin-area and Fort Worth/Denton homeowners who want a local full-service firm.
Texas lets any owner protest directly with the appraisal district. It's free, and the Harris County Appraisal District, for example, charges no filing fee. The work is pulling comps, filing on time and making your case at informal review or the ARB. See our DIY vs professional guide.
For every Texas firm and fee in one place, see property tax protest companies compared. For the six-state view, see Ownwell alternatives by state.
If you want a flat price, TaxDrop One costs $129 per property per tax year in 43 counties and is refunded if there's no reduction. If you want full service, compare TaxDrop Pro (1% of the assessment reduction, 17 counties), Five Stone (40%, seven counties) and O'Connor (50% of first-year savings) against Ownwell's 25%.
Ownwell's Texas pages list 25% of tax savings, with no upfront cost and no minimum fee. The fee applies to the actual reduction in your tax bill for the year it appeals, and nothing is owed if it doesn't save you money.
All three are full service with no fee if they don't win. They differ on price and coverage. Ownwell charges 25% of tax savings. Five Stone charges 40% and serves seven counties. O'Connor charges half of first-year savings and lists residential service in Texas, Illinois, Georgia and New York.
It follows the Texas rule: generally May 15, or 30 days after your notice of appraised value is delivered, whichever is later. Confirm the date on your notice. See our Harris County guide.
Yes. Any owner can file a notice of protest with the appraisal district and present at informal review or the ARB. TaxDrop One gives you the evidence and scripts for $129 if you want help without handing off the case.
Ownwell, O'Connor, Five Stone and TaxDrop Pro all say there's no fee without a reduction. TaxDrop One is a flat fee, refunded if there's no reduction.
Texas property tax consultants are licensed and regulated by TDLR. Search the firm or consultant's name on tdlr.texas.gov before you sign an agent authorization.
Let our licensed property tax experts assess your tax bill for potential savings. Over 80% of protests get a reduction of more than $1,000 and it takes less than 3 minutes to enroll.
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If you want a flat price, TaxDrop One costs $129 per property per tax year in 43 counties and is refunded if there's no reduction. If you want full service, compare TaxDrop Pro (1% of the assessment reduction, 17 counties), Five Stone (40%, seven counties) and O'Connor (50% of first-year savings) against Ownwell's 25%.
Ownwell's Texas pages list 25% of tax savings, with no upfront cost and no minimum fee. The fee applies to the actual reduction in your tax bill for the year it appeals, and nothing is owed if it doesn't save you money.
All three are full service with no fee if they don't win. They differ on price and coverage. Ownwell charges 25% of tax savings. Five Stone charges 40% and serves seven counties. O'Connor charges half of first-year savings and lists residential service in Texas, Illinois, Georgia and New York.
It follows the Texas rule: generally May 15, or 30 days after your notice of appraised value is delivered, whichever is later. Confirm the date on your notice. See our Harris County guide.
Yes. Any owner can file a notice of protest with the appraisal district and present at informal review or the ARB. TaxDrop One gives you the evidence and scripts for $129 if you want help without handing off the case.
Ownwell, O'Connor, Five Stone and TaxDrop Pro all say there's no fee without a reduction. TaxDrop One is a flat fee, refunded if there's no reduction.
Texas property tax consultants are licensed and regulated by TDLR. Search the firm or consultant's name on tdlr.texas.gov before you sign an agent authorization.
Ryder Meehan is the Co-Founder of TaxDrop and a Licensed Property Tax Protest Consultant