Every year I get a handful of clients who ask me some version of "why did my tax bill jump when my house didn't sell for more?" This year I already know the answer for a big chunk of Harris County, and it has nothing to do with your home's value. On September 17, Harris County Commissioners Court voted to raise the county's property tax rate — the largest increase in the county's history, according to multiple local outlets covering the vote. If you own a home anywhere in Harris County, this is going to show up on your tax bill this fall, and if you're buying or selling right now, it's worth understanding before you run your numbers.

This isn't a Houston Association of REALTORS® market report or a builder announcement — it's a government budget decision that touches every single homeowner in the county, regardless of what neighborhood you're in or what your house is worth. Let me walk you through what actually happened, what it costs, and what you can do about it.

What Commissioners Court Actually Voted For

Harris County Commissioners Court approved a new combined county property tax rate of 67 cents per $100 of taxable property value on September 17, 2026, as part of a roughly $3.1 billion county budget for fiscal year 2026-27. Depending on which piece of the rate you're comparing against last year's, local coverage has put the increase at somewhere between 7.6% and 7.9% over the prior year's rate — either way, it's being reported as the highest county tax rate in modern Harris County history.

The tax rate vote passed 3-1, with Precinct 3 Commissioner Tom Ramsey casting the lone "no" vote and County Judge Lina Hidalgo abstaining, saying the increase doesn't solve the county's longer-term fiscal problems. The companion budget vote was reported as 3-2, with both Ramsey and Hidalgo voting against it. The new rate takes effect with the county's fiscal year on October 1, 2026, which means it'll be baked into the tax bills that go out this fall (Texas property tax bills are typically due by January 31 of the following year).

One important clarification I want to make sure is clear: this is the Harris County portion of your tax bill only. Your total property tax bill also includes your school district, city (if you're inside one), MUD or utility district, and possibly Harris Health or other special districts. Harris County itself makes up a meaningful chunk of most bills, but it's not the whole thing — so this increase stacks on top of whatever your other taxing entities do this year, it doesn't replace them.

Why the Rate Went Up

The short version: Harris County is covering roughly a $180 million budget gap, and the three commissioners who voted for the increase pointed to state and federal policy decisions as a major driver, citing about $250 million in added costs tied to unfunded state mandates, federal healthcare funding cuts, and Texas's continued refusal to expand Medicaid — which local officials say has left Harris Health (the county's public hospital system) absorbing well over $180 million in uncompensated care costs on its own.

Commissioner Adrian Garcia and others framed the increase as a direct pass-through of costs created above the county level, not a discretionary spending spree. Commissioner Lesley Briones acknowledged the hit to homeowners but argued that cutting county services to avoid the increase would ultimately cost residents more. Commissioner Ramsey, the dissenting vote, and Judge Hidalgo both raised concerns about long-term fiscal sustainability and whether a rate hike this size is the right tool, even if they didn't dispute the underlying budget pressure.

Whatever you think of the politics, the practical reality for homeowners is the same: the rate is higher, and it's showing up on your bill this year.

What This Actually Costs You

Numbers vary a bit by source and by your specific home value, but here's the range being reported:

• The average homeowner is looking at roughly $190 to $195 more per year in county taxes alone — about $16 a month.
• A $400,000 home lands close to that same $193 a year figure in most of the estimates I've seen.
• A $300,000 home was cited by one local realtor at around $12 a month, or roughly $144 a year, in early coverage of the proposed increase.

None of these numbers include whatever your school district, city, or MUD does with their own rates this year — this is the county line item specifically. If you want your exact number, the fastest way is to pull up your account on the Harris County Appraisal District (HCAD) website and compare the county tax rate line year over year against your actual assessed value, since your bill depends on both the rate and what HCAD says your home is worth.

What You Should Do If You Already Own a Home Here

Make sure every exemption you qualify for is actually on file. This is the single biggest lever most homeowners aren't using to its full extent. Texas gives every homeowner a $140,000 homestead exemption off their school district taxes, and Harris County separately offers an optional 20% homestead exemption specifically on the county's portion of your bill. If you're 65 or older, or you have a qualifying disability, there are additional exemptions on top of the base homestead exemption (though you generally can't stack the over-65 and disability exemptions together from the same taxing unit). Log into your HCAD account or call your escrow company and confirm you're getting everything you're entitled to — I see homeowners leave money on the table here more often than you'd think, especially people who bought a few years ago and never checked.

Start building your case for next spring's appraisal protest now. Texas appraisal protest season typically opens in the spring (usually around April-May, once HCAD mails your new notice of appraised value). A higher tax rate makes your underlying appraised value even more important to get right, because the rate multiplies against that number. Start pulling together photos of any deferred maintenance, foundation issues, or condition problems, along with recent comparable sales in your immediate area, so you're ready to file a protest the moment your new value shows up next year.

Check in with your mortgage servicer about your escrow account. If your taxes are paid through an escrow account as part of your mortgage payment, a rate increase like this will eventually trigger an escrow analysis and likely a bump in your monthly payment once your servicer catches up to the new bill. Better to know that's coming than to be surprised by a letter in a few months.

What This Means If You're Buying in Harris County

This increase is real, but it's not a reason to put your home search on hold. A $16-a-month swing in county taxes on an average home is not going to make or break most buyers' budgets the way a jump in insurance premiums or mortgage rates can. That said, it's one more reason to run a genuinely accurate monthly payment estimate — including taxes at the current rate, not last year's number — before you fall in love with a house at the edge of your budget. I'd also encourage buyers to ask their lender to confirm they're escrowing for the new county rate, not an outdated one, so you're not hit with an escrow shortage a year into owning the home.

What This Means If You're Selling

I don't think this changes pricing strategy for most sellers in a meaningful way — this is a modest, broad-based increase, not a targeted reassessment of your specific home. But in a market where buyers are already stretched thin on affordability (we've talked before about record inventory and buyers having more leverage than they've had in years), every added monthly cost matters a little more to a buyer running tight numbers. If your home is priced at the edge of a buyer's comfort zone, don't be surprised if this comes up in negotiations as one more line item buyers are scrutinizing. Being ready to show your own current tax bill, with exemptions clearly noted, can help a nervous buyer see the real number instead of guessing high.

What This Means If You're an Investor or Landlord

A higher county tax rate is a real, if modest, hit to your operating expenses on every property you hold in Harris County, and it's worth factoring into your rent roll math for 2027 leases. If you own several properties, this is also a good prompt to audit whether you're claiming every exemption you're entitled to (homestead exemptions generally only apply to owner-occupied primary residences, so this mostly matters for your own home, not rentals — but it's worth double-checking classification on any property where your situation has changed). For straight investment property, the bigger question is whether rising costs across insurance, taxes, and HOA fees are starting to compress your margins enough to revisit rents or hold periods on specific assets.

Frequently Asked Questions

How much did Harris County raise property taxes in 2026? Harris County Commissioners Court voted on September 17, 2026, to raise the county's combined property tax rate to 67 cents per $100 of taxable value, an increase of roughly 7.6% to 7.9% over the prior year's rate, depending on the source. It's being reported as the largest property tax increase in the county's history.

How much more will I actually pay because of this? Estimates put the average homeowner's increase at roughly $190 to $195 more per year in county taxes, or about $16 a month. A $400,000 home lands close to that same figure in most estimates. This is the Harris County portion only — it doesn't include your school district, city, or MUD taxes, which are set separately.

Why did Harris County raise taxes this much? County officials cited a roughly $180 million budget gap, pointing to about $250 million in added costs tied to unfunded state mandates, federal healthcare funding cuts, and Texas's continued refusal to expand Medicaid, which has left the county's public hospital system covering a large share of uncompensated care. Not every commissioner agreed a rate hike was the right response — the tax rate vote passed 3-1, with one commissioner voting no and the county judge abstaining.

What can I do to lower my Harris County property tax bill? Start by confirming every exemption you qualify for is actually on file with HCAD, including the standard homestead exemption, Harris County's optional 20% homestead exemption, and any over-65 or disability exemption you're eligible for. Beyond that, your best lever is protesting your appraised value when HCAD sends next spring's notice, since the tax rate is multiplied against that number.

Does this tax increase mean I should hold off on buying a house in Harris County right now? I wouldn't base a decision to buy or wait on this alone. A roughly $16-a-month increase on an average home is a real cost, but it's small compared to swings in mortgage rates or insurance premiums that can move your payment by hundreds of dollars. It's worth having your lender run your numbers with the current tax rate so your estimated payment is accurate, but it shouldn't be the deciding factor on whether or when to buy.

Have Questions About What This Means for Your Specific Situation?

Tax rate changes like this always generate more questions than headlines answer — what it means for your specific home, your specific budget, or a house you're considering buying or selling right now. I'd rather walk you through the real numbers for your situation than have you guess based on a countywide average.

I'm Armando Espinosa with eXp Realty. Call or text me at 281-455-8412, or email Armando.Espinosa@eXpRealty.com. Happy to help you figure out exactly what this means for you.