DFW Property Tax Guide: What Every Buyer Needs to Know in 2026

Texas does not have a state income tax. That is the headline that draws thousands of families and businesses to DFW every year. But the trade-off is property taxes, and they are significant. The effective rate in DFW ranges from 1.85% to 2.35% depending on the city, and the difference on a $700,000 home can exceed $3,500 per year.

Understanding how Texas property taxes work is not optional. It is essential to making a smart purchase decision.

How Texas Property Taxes Work

Texas property taxes are assessed annually by the county appraisal district. Your home's appraised value is determined each January, and you receive a notice in April or May. Taxes are due by January 31 of the following year.

Your total tax bill is the sum of multiple taxing entities: the school district (typically 40% to 50% of the total), city, county, municipal utility district (MUD), and any special districts. Each entity sets its own rate, which is why the total effective rate varies dramatically by location.

The school district portion is by far the largest. This is why homes in "A" rated districts like Carroll ISD (Southlake) or Argyle ISD carry both higher property values and higher absolute tax bills, even when the rate itself is competitive.

2026 Rates by City

Here are the effective property tax rates for the 20 cities in our service area, sorted from lowest to highest:

• Westlake: 1.85% - Median $3.04M - Annual tax on median: ~$46,100
• Southlake: 1.92% - Median $1.4M - Annual tax on median: ~$22,100
• Bartonville: 1.95% - Median $890K
• Trophy Club: 1.98% - Median $610K
• Flower Mound: 2.05% - Median $665K - Annual tax on median: ~$11,200
• Copper Canyon: 2.08% - Median $780K
• Roanoke: 2.10% - Median $485K
• Keller: 2.12% - Median $590K - Annual tax on median: ~$10,300
• Argyle: 2.15% - Median $596K - Annual tax on median: ~$10,500
• Corinth: 2.16% - Median $420K
• Frisco: 2.18% - Median $695K - Annual tax on median: ~$12,500
• Denton: 2.20% - Median $385K
• Lewisville: 2.22% - Median $410K
• Little Elm: 2.24% - Median $440K
• Northlake: 2.26% - Median $480K
• Plano: 2.28% - Median $545K
• Ponder: 2.30% - Median $395K
• Prosper: 2.32% - Median $850K - Annual tax on median: ~$16,200
• Sanger: 2.33% - Median $340K
• Celina: 2.35% - Median $520K - Annual tax on median: ~$10,000

Note: These are effective rates after homestead exemption. Actual rates vary by specific taxing entities within each city. Always verify with the county appraisal district for your exact property.

The Homestead Exemption

If the property is your primary residence, you qualify for a homestead exemption. As of 2026, the Texas homestead exemption removes $100,000 from your taxable value for school district taxes. Some cities and counties add their own exemptions on top.

For example, a $700,000 home in Frisco with the homestead exemption would have a taxable value of $600,000 for the school district portion. The total tax bill drops from approximately $15,260 to approximately $12,500. That is a $2,760 annual savings, or $230 per month.

You must file for homestead exemption by April 30 of the year following your purchase. File with your county appraisal district (Denton CAD, Collin CAD, or Tarrant CAD depending on location). Do not assume it is automatic. It is not.

How to Protest Your Property Taxes

You have the right to protest your appraised value every year. The deadline is May 15 or 30 days after you receive your appraisal notice, whichever is later.

The protest process in Texas is straightforward. File a notice of protest with your county appraisal district. Gather comparable sales data showing homes similar to yours that sold for less than your appraised value. Present your case at an informal hearing first. If that fails, escalate to the Appraisal Review Board (ARB).

Success rates on protests are high. Approximately 60% to 70% of informal protests result in some reduction. The average reduction is 5% to 10% of appraised value. On a $700,000 home, a 7% reduction saves roughly $1,000 per year.

Third-party protest firms charge 30% to 40% of the first-year savings with no upfront cost. For most homeowners, this is a good deal.

Impact on Your Monthly Payment

Lenders escrow property taxes into your monthly mortgage payment. This is where the rate differences become tangible. On a $700,000 home:

• At 1.92% (Southlake): ~$1,120/month in taxes escrowed
• At 2.15% (Argyle): ~$1,254/month in taxes escrowed
• At 2.35% (Celina): ~$1,371/month in taxes escrowed

The $251 monthly difference between Southlake and Celina rates on the same home is meaningful over a 30-year mortgage. It adds up to over $90,000 in total tax payments. Factor this into your purchase decision alongside home price, school quality, and commute time.

The Bottom Line

Texas property taxes are the cost of zero state income tax. For most buyers relocating from states like California, New York, or Illinois, the net tax burden is still lower in Texas. But within DFW, where you buy matters enormously. A home in Westlake at 1.85% versus Celina at 2.35% generates a half-percentage-point annual difference that compounds over decades of ownership.