Houston property tax protest companies compared (2026)
This page lists what each firm says on its own website about its fee and service. The pages were read on October 20, 2026, and each row links to the source. Terms change, so check the firm's page before you sign.
| Company | Published fee | No reduction, no fee | Hearing representation | Other languages | Note | Source |
|---|---|---|---|---|---|---|
| Grounda | 20% of tax saved | Yes | Yes | Spanish and Chinese | Source | |
| AppealDesk | $49 flat | No | No | Not stated | A do-it-yourself evidence packet. The owner files the protest and attends any hearing. | Source |
| DomuTax | 22% of tax saved | Yes, except as noted | Yes | Not stated | Homes with an over-65 or disability tax ceiling pay a $99 minimum fee at enrollment. It is not refunded and is credited toward the 22% fee. | Source |
| Kin Insurance | 10% of tax saved | Yes | Yes | Not stated | An invite-only service from an insurance company. | Source |
| My Texas Property Tax | 20% of tax saved | Yes | Yes | Not stated | Its terms also charge 20% of a refund of past taxes won through an exemption filing. | Source |
| O'Connor & Associates | 50% of tax saved | Yes | Yes | Not stated | Of the tax saved through administrative hearings or a judicial appeal for that tax year. | Source |
| Ownwell | 25% of tax saved | Yes | Yes | Spanish | The Texas rate. Ownwell says its rate varies by jurisdiction. | Source |
| PropTaxLab | 20% of tax saved | Yes | Yes | Not stated | Of the first year’s tax savings, for Harris County homes. Also sells a $199 do-it-yourself packet. | Source |
| Rainbolt & Co. | Not published | Yes | Yes | Not stated | Source | |
| Resolute Property Tax Solutions | Not published | Yes | Not stated | Not stated | Source | |
| TaxDrop | 1% of the assessment reduction | Yes | Yes | Not stated | 1% of the assessment reduction, not of the tax saved. A self-serve packet costs $129, refunded if there is no reduction. | Source |
| Texas Protax | 40% of tax saved | Not stated | Yes | Spanish | For homes. A minimum fee of $50 per parcel applies on most properties. For a property with a capped market value or a special use valuation, the fee is the greater of the minimum, the savings fee, or $2.50 for each $1,000 cut in market value. | Source |
Questions to ask any firm
Ask what the fee is a share of. It may be a share of the tax saved, or a share of the drop in appraised value. Ask whether there is a minimum fee or an upfront fee. Ask what you owe if the value does not drop. Ask who goes to the hearing. Ask how to cancel. Ask which languages the firm works in.
You can also protest on your own
Texas owners can file a property tax protest themselves at no cost. Our Harris County filing guide shows the steps to file.