McLennan County property tax is calculated by taking the appraised value of your real estate, subtracting any exemptions you qualify for, and multiplying what’s left by the combined tax rate of every jurisdiction that taxes your property — the county, your city, your school district, and any special districts. The McLennan Central Appraisal District sets the value. The individual taxing units set the rates each fall. The McLennan County Tax Office sends the bill and collects payment, and anything unpaid by January 31 becomes delinquent on February 1.
How Your Bill Is Calculated
Every taxable property in the county is appraised at its market value as of January 1 each year.1State of Texas. Texas Tax Code TAX 23.01 – Appraisals Generally The appraisal district is independent from the county government, the City of Waco, and the school districts. It only sets values; it does not set rates.
In the spring you’ll receive a Notice of Appraised Value listing the proposed value of your land and improvements, which taxing units bill your parcel, and what exemptions are on file. Later in the year each taxing unit holds budget hearings and adopts its rate. Your final bill is the appraised value minus exemptions, multiplied by the combined rate of all jurisdictions taxing the property.
Exemptions That Reduce What You Owe
Exemptions are the most direct way to lower what you owe. The appraisal district processes all applications, and most must be filed before May 1 to apply to the current tax year.2Texas Comptroller of Public Accounts. Property Tax Exemptions
General Residence Homestead
The most common exemption shelters $100,000 of your home’s appraised value from school district taxes.3State of Texas. Texas Tax Code 11.13 – Residence Homestead The property must be your principal residence, and the address on your Texas driver’s license or state ID must match the property address. A mismatch is one of the most common reasons applications get delayed or denied, so update your ID before you file. Cities, the county, and special districts may offer additional optional homestead exemptions on top of the school amount, so the total varies by where in the county you live.
Over-65 and Disability
If you’re 65 or older or disabled, you qualify for an additional $60,000 school district exemption on top of the general homestead amount.3State of Texas. Texas Tax Code 11.13 – Residence Homestead School districts are also prohibited from raising your tax bill above what you owed in the first year you qualified.4State of Texas. Texas Tax Code 11.26 – Limitation of School Tax on Homesteads of Elderly or Disabled That tax ceiling holds even if your value rises or the district adopts a higher rate, and it transfers proportionally if you move to another homestead within the county.
Disabled Veteran
Veterans with a 100 percent disability rating from the U.S. Department of Veterans Affairs owe no property tax on their residence homestead — zero to every taxing unit, not just the school district.5State of Texas. Texas Tax Code 11.131 – Residence Homestead of 100 Percent or Totally Disabled Veteran Veterans with lower ratings qualify for partial exemptions under a separate provision. You’ll need a current VA letter certifying the rating and its service-connected status.
Filing
Applications require the property’s legal description and the account number assigned by the appraisal district. Forms are on the McLennan Central Appraisal District website or available at its Waco office. Most exemptions only need to be filed once as long as you stay in the home and your eligibility doesn’t change, though the appraisal district may send periodic verification requests.
The 10 Percent Homestead Cap
Separate from the exemption dollar amounts, state law limits how much the appraisal district can raise the appraised value on a qualifying homestead from one year to the next. The increase cannot exceed 10 percent of the prior year’s appraised value, plus the value of any new improvements.6State of Texas. Texas Tax Code 23.23 – Limitation on Appraised Value of Residence Homestead The cap holds even when market value jumps 30 or 40 percent in a single year. Your notice will show both the full market value and the capped appraised value; only the capped number is used for your tax calculation. If you sell or lose the homestead exemption, the cap resets.
Protesting Your Appraised Value
If the appraised value looks too high, you have the right to protest, and this is the single most effective way to lower your bill when exemptions alone don’t do it.
File a written Notice of Protest by May 15 or the 30th day after the appraisal district delivered your notice, whichever is later.7State of Texas. Texas Tax Code 41.44 – Notice of Protest Because McLennan County’s population exceeds 120,000, the correct form is Form 50-132, available from the Texas Comptroller or the appraisal district’s portal.8Texas Comptroller of Public Accounts. Property Owner’s Notice of Protest for Counties With Populations Greater Than 120,000 Miss the deadline and you can still file before the Appraisal Review Board approves its records for the year, but you’ll have to show good cause.
You’ll usually be scheduled for an informal meeting with a staff appraiser first. Bring comparable sales from your neighborhood, photos of damage or deferred maintenance, and any other evidence supporting a lower value. The appraiser has authority to adjust the value on the spot, and many protests settle here.
If no agreement is reached, your case goes to a formal hearing before the Appraisal Review Board, a panel of local citizens that reviews evidence from both sides and issues a written determination. Comparable sales within a half-mile of your property from the prior year carry the most weight. Broad arguments about interest rates or the economy rarely move the board. The written order is your final administrative remedy; from there you can file suit in district court or pursue binding arbitration for properties under a certain value threshold. The order comes by certified mail, so keep the receipt.
Payment Deadline and Late Penalties
Bills go out in October and are due on receipt. The hard deadline is January 31. Anything unpaid on February 1 is delinquent.9State of Texas. Texas Tax Code TAX 31.02 – Delinquency Date
Penalties and interest start immediately and escalate fast:10Texas Comptroller of Public Accounts. Paying Your Taxes
- February 1: 6 percent penalty plus 1 percent interest, for 7 percent total
- March through June: the penalty rises 1 percent each month, with interest continuing to accrue at 1 percent monthly
- July 1: penalty jumps to a flat 12 percent, plus 6 percent accumulated interest, for 18 percent total
- After July 1: if the taxing unit hires a private attorney, an additional collection penalty of up to 20 percent can be added
A $5,000 January bill can grow to nearly $7,000 by midsummer once penalties, interest, and legal fees stack up. There is no grace period.
The McLennan County Tax Office takes payment online by credit card or electronic check, by mail postmarked by January 31, or in person at the main office in Waco and substations around the county. Keep your receipt. Mortgage companies and title companies ask for proof of payment during refinances and sales, and it’s your backup if county records ever show a discrepancy.
Deferral for Seniors, Disabled Homeowners, and Veterans
If you’re 65 or older, disabled, or a disabled veteran, you can file an affidavit to defer collection of taxes on your homestead for as long as you own and live in the home.11State of Texas. Texas Tax Code 33.06 – Deferred Collection of Taxes on Residence Homestead of Elderly or Disabled Person or Disabled Veteran Filing the affidavit stops any pending delinquent tax suit and blocks foreclosure while the deferral is in effect.
Deferral is not forgiveness. The tax lien remains, and interest accrues at 5 percent per year in place of the usual penalty and interest. The full balance comes due when you sell, move out, or pass away. For a homeowner on a fixed income who plans to stay long-term, deferral can prevent a crisis, but the growing balance eats into equity over time.
What Happens If You Don’t Pay
Texas is aggressive about collecting. A tax lien attaches to your property automatically the moment taxes become delinquent, and that lien takes priority over nearly every other claim, including your mortgage. The taxing unit can foreclose even if you’re current with your mortgage lender.
Once collection attorneys get involved after July 1, penalties, interest, and legal fees can push the total well past the original bill. If the debt isn’t resolved, the taxing unit can sue for a court judgment and foreclosure order, and the property is sold at public auction. Sale proceeds go first to the tax debt; any surplus goes to the former owner, though auction prices often cover little beyond what’s owed.
A tax lien also blocks any sale or refinance. Title companies will not close a transaction with an outstanding lien, so the balance has to clear before any real estate deal can move forward.