Plano TX Property Taxes and Your Mortgage Payment — 2026

I'm Bond Peter Njoku (NMLS #2670329), and property taxes catch more Plano buyers off guard than any other line item in their monthly payment. Collin County's combined effective tax rate runs around 1.5% of assessed value in 2026 — among the lowest in the DFW metro — but Plano's established, higher-value neighborhoods mean the actual monthly escrow number still surprises buyers moving in from lower-priced markets, especially first-time buyers who've only ever rented and never budgeted for a tax bill at all.

What is the property tax rate in Plano TX for 2026?

Your total property tax bill in Plano is a combination of several taxing entities layered together: Collin County (or Denton County for the small northwest sliver of Plano), the City of Plano, Plano ISD, and Collin County Community College District. Added together, the combined effective rate lands around 1.5% of assessed value for most Plano addresses in 2026. I pull the exact combined rate for any specific property before I quote your payment — it varies slightly by which entities apply.

How much are property taxes on a $460,000 home in Plano?

At the approximate 1.5% effective rate: $460,000 × 1.5% = $6,900 per year, or $575 per month. That $575/month gets escrowed directly into your mortgage payment alongside principal, interest, and insurance — your lender collects 1/12th of the annual estimate every month and pays the tax bill on your behalf when it's due.

Plano's low effective rate is one of the reasons it competes so well against Dallas neighborhoods with similar home prices — the tax savings alone can be worth $200+ per month on a comparable home, which adds real qualifying power.

How much does the homestead exemption save me in Plano?

Once you close and move in as your primary residence, you can file for a general homestead exemption, which removes $100,000 of your home's assessed value from school district taxation statewide. Plano's city and Collin County may layer on additional exemptions as well. On a $460,000 home taxed at roughly 1.5%, the school-district portion of that exemption alone can save $700–$1,000 per year, and combined exemptions often bring total savings to $1,000–$1,900 annually. The exemption doesn't apply automatically — you have to file the paperwork with the Collin Central Appraisal District after closing, and I remind every client to do this in their first 90 days as a homeowner.

How do Plano property taxes affect what I qualify for?

Lenders don't just look at principal and interest when calculating your debt-to-income ratio — they include the full estimated PITI payment, taxes and insurance included. That means a higher tax rate directly lowers your qualifying loan amount, even if your income and credit score stay exactly the same. On a $460,000 Plano home, that $575/month tax escrow is roughly equivalent to $82,000 of extra loan principal in how it affects your DTI math. I build the actual Plano tax rate into every pre-approval I run, rather than using a generic statewide estimate, so the number I give you is the number that holds up at underwriting. This matters most for buyers stretching to the top of their budget, since an underestimated tax escrow can mean a denial at underwriting even after you've already gone under contract and paid for an appraisal and inspection.

What other exemptions can lower my Plano tax bill?

Beyond the general homestead exemption, Collin County and Plano ISD offer additional relief for specific situations. Buyers age 65 or older qualify for an additional homestead exemption and a school-tax freeze that locks their Plano ISD portion at the amount owed the year they turn 65, even if the district raises rates later. Disabled homeowners qualify for a similar exemption. And every Plano homeowner has the right to protest their annual appraised value with the Collin Central Appraisal District if comparable homes in their neighborhood sold for less than the assessed value — I've seen clients successfully lower their assessment by 5–10% simply by submitting recent comparable sales during the May protest window.

A recent Plano example

I worked with a buyer moving from Dallas to Plano last month — he was budgeting off a Dallas County tax estimate he'd seen online (around 2.0%) and was surprised his Plano payment came in lower than expected once I ran the actual combined rate. On his $475,000 home, the difference between the 2.0% estimate he'd assumed and Collin County's actual ~1.5% rate freed up about $190/month in his qualifying budget — enough to move him into a home with an updated kitchen in the same price search. That's the kind of gap that only shows up when someone actually runs the county-specific numbers instead of relying on a national tax estimator tool.