September 2, 2026
Every spring, owners of commercial property open a notice of appraised value. The number on that notice may reflect what the property would sell for. It may not.
The appraisal district never walked the building. Nobody there read your leases. No one accounted for the tenant who vacated in October. The district ran your property through a model.
That gap sits at the center of most successful protests. It also explains why an independent appraisal carries weight that a printout of listings does not.
Assessment notices come from mass appraisal
County appraisal districts value tens of thousands of parcels a year with a small staff. They rely on mass appraisal, which applies standardized models to groups of similar properties. Nobody analyzes each property on its own.
Texas law permits this. Under Texas Tax Code Section 23.01, mass appraisal standards must comply with the Uniform Standards of Professional Appraisal Practice. The same statute adds a second requirement. The district must appraise each property on the characteristics that affect its own market value. It must also weigh all available evidence specific to that property.
Those two requirements pull against each other.
A model can produce defensible results across four hundred neighborhood retail centers. It will still misprice three of them. One has a failing anchor. Another carries twenty-year-old HVAC. A third signed its leases at rates the current market will not support.
The district is not being careless. It simply lacks the property-specific information that only you hold. An independent appraisal supplies that information in a form the hearing panel already knows how to weigh.
Texas gives owners two separate grounds
Most owners treat a protest as an argument about value. It is that. Texas law also provides a second, independent path.
Ground one: market value
Here the owner argues that the property would not sell for the district’s number as of the assessment date.
Texas Tax Code Section 41.43 places the burden on the appraisal district. The district must establish value by a preponderance of the evidence at the hearing. If it fails to meet that standard, the panel must decide the protest in favor of the owner.
The same section raises that burden to clear and convincing evidence in one narrow situation. Three conditions apply. Value must sit at one million dollars or less. The owner must deliver a qualifying appraisal to the chief appraiser at least fourteen days before the hearing. An appraiser certified under Chapter 1103 of the Occupations Code must have performed that appraisal within the prior one hundred eighty days. It must also support the value the owner asserts.
For smaller assets, that timing rule turns a certified appraisal into a procedural advantage.
Ground two: unequal appraisal
Practitioners call this equal and uniform. Texas Tax Code Section 42.26 entitles an owner to relief in one situation. The appraised value exceeds the median appraised value of a reasonable number of comparable properties, appropriately adjusted.
This argument never asks what the property is worth. It asks whether the district assessed this property at a higher level than similar ones. The evidence comes from the district’s own records, which makes it hard to dispute.
An owner may qualify under more than one subdivision. The statute then directs the value to whichever calculation produces the lowest result.
The two grounds need different analyses and different evidence. An appraiser who works in both can tell you which one your property supports, before you fund the wrong argument.
The effective date is January 1
Texas appraises taxable property at market value as of January 1 of the tax year. That date constrains everything.
A lease signed in March does not change the January 1 value. Neither does a roof replaced in June or a tenant lost in August. Each may matter a great deal next year. Conditions that existed on January 1 do count, even if nobody documented them until later.
Owners often misread this. The assignment is a retrospective valuation with a fixed effective date. Deferred maintenance present on January 1 belongs in the analysis. Damage from April does not. An appraiser who blurs that line hands the district an easy attack.
What the appraiser needs from you
The quality of the appraisal tracks the quality of what you provide.
Start with a current rent roll and three years of operating statements. Add the leases, including any concessions or free rent. Include a capital expenditure history, occupancy records for the months leading into January 1, and documentation of physical condition.
Special-purpose and owner-occupied properties need one more step. The appraiser has to sort which components of value belong to the real estate. Others may belong to the business, or to personal property that the county taxes separately.
Some owners withhold operating data by habit. They assume anything shared helps the district. Texas law cuts the other way here. Section 41.43 shifts the burden of proof onto an owner who withholds a required rendition statement, or a response to the chief appraiser’s request for information. Selective disclosure carries a real cost.
Miss the filing deadline and none of it matters
Texas Tax Code Section 41.44 sets the deadline for a written notice of protest. File with the appraisal review board by May 15, or by the thirtieth day after the district delivered your notice of appraised value. The later date governs.
That thirty-day extension runs from the delivery date printed on the notice. It does not run from the day the envelope reached your desk. Large districts mail in batches over several weeks, so two owners in one county can hold different deadlines.
Late-filing exceptions exist. They are narrow. Plan on the statutory date.
Order the appraisal early
The process runs from the notice, to the filing, to an informal conference, and then to a formal hearing.
Many commercial protests settle at that informal conference, when the owner brings credible property-specific evidence to the table. An appraisal ordered in April and delivered in June arrives after the moment it would have done the most good. Call an appraiser when the notice lands, not once the hearing is on the calendar.
After the review board
An ARB determination does not end the process. Texas provides appeal routes to district court and to binding arbitration. Certain properties may go to the State Office of Administrative Hearings.
Each route has its own eligibility rules, deposit requirements, and deadlines. The strength of the appraisal in the record shapes what happens at every stage.
A report built to withstand cross-examination differs from one built to open a settlement conversation. Settle that question before the work starts.
Outside Texas, the calendar changes
Assessment dates, protest deadlines, burden-of-proof rules, and the availability of an unequal appraisal remedy all vary by state. Certain jurisdictions assess at a fraction of market value. Others reassess on multi-year cycles, so an error compounds until the next reassessment. Many place the burden entirely on the owner.
One thing holds everywhere. Assessing authorities value property in volume, using models built for typical assets. Commercial real estate is full of atypical assets.
You hold the information the model lacks. An independent appraisal puts that information in front of the decision maker, in a form the law requires them to consider.
Teel Valuation Group prepares property tax appeal appraisals for commercial, industrial, multifamily, and special-purpose properties in all fifty states. That includes assignments that proceed to litigation support. To discuss an assessment before your filing deadline, connect with an expert.