Altair, Colorado County, Texas Property Taxes

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Property Taxes in Altair, Texas

Median Altair, Texas effective property tax rate: 1.06%, significantly lower than the national median of 1.02%, and lower than the Texas state median of 1.48%.
Median Altair, Texas home value: $73,780
Median annual Altair, Texas tax bill: $637, lower than the national median property tax bill of $2,400.

How are property taxes in Colorado calculated?

Property taxes in Altair, Texas are calculated based on the tax assessed value, which is often lower than the actual market value due to property tax exemptions such as the homestead or senior exemption.

Understanding Altair's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Altair, knowing local tax details benefits homeowners and investors.

Last Updated April 13, 2026

Altair, Colorado County, Texas Property Tax Bill Calculator

Property Assessed Value

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

1.06%

Estimate Property Tax Bill

$782

$726

How Does the Altair Property Tax Calculator Work?

Use this Altair property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Altair's median effective tax rate of 1.06% — based on actual property records in Colorado County — to generate your estimate.

Enter your property's estimated assessed value — the figure the local appraisal district uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Altair's median effective rate across all local levies, providing a more accurate estimate than applying a single county millage rate.

Your bill may vary by ZIP code within Altair: rates range from 1.06% in 77412 to 1.06% in 77412, primarily due to differences in school district levies and local assessment districts.

For a more precise estimate, scroll down to explore ZIP code-level tax rate trends across Altair.

About Altair Property Taxes

About Property Taxes in Altair, Colorado, Texas

Altair’s median effective property tax rate of 1.06% is lower than the Texas state median of 1.48% and higher than the national median of 1.02%. This rate reflects the Colorado County base levy combined with local school district levies and Municipal Utility Districts that vary by subdivision throughout the city.

Property tax rates are not uniform across Altair. Homeowners in ZIP code 77412 carry a median effective rate of 1.06%, while those in the lowest ZIP code also pay 1.06%. This spread reflects how school district boundaries and local assessment districts are drawn across Colorado County. Understanding which part of Altair you live in can make a meaningful difference to your annual tax bill.

Altair homeowners who believe their assessed value is too high can file a formal appeal with the local Appraisal District before May 15, 2026.

If your estimated bill above seems higher than expected, Ownwell can review your assessment and protest on your behalf. You only pay if we save you money.

Property Tax Rates Across Altair, Colorado County, Texas

As noted earlier, local government entities set tax rates, which can vary widely within a state.

Why? Because annually, each county estimates its required budget to provide services and divides that by the total value of all taxable property within its jurisdiction. This calculation results in the property tax rate.

While there are votes and laws involved in setting tax rates and budgets, in a nutshell, this is the annual process.

Below, you can compare Altair's effective property tax rate to other cities in Texas and the median property tax rates in Texas and the U.S.

Property Tax Rates Across Altair, Colorado County, Texas

Source: Ownwell

0.71%

1.16%

1.61%

Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.

Median Effective Altair Tax Rate

1.06%

Median Effective Colorado County Tax Rate

1.21%

Median Effective Texas Tax Rate

1.48%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Altair, Colorado County, Texas

Zip	10th Percentile	25th Percentile	Median Tax Rate	75th Percentile	90th Percentile
77412	0.34%	0.74%	1.06%	1.38%	1.61%

Source: Ownwell

Property Tax Assessment Values Across Altair, Colorado County, Texas

When examining property taxes in Altair, Texas, understanding the distinction between market value and assessed value is crucial.

The market value is what a willing buyer would pay to a willing seller in an open and competitive market, often influenced by location, property condition, and economic market trends. The Colorado County appraisal district estimates the market value for tax purposes.

The assessed value is the market value minus any applicable exemptions or limits determined by local laws and offerings. The tax assessed value is the figure used to calculate your property taxes or the amount multiplied by your tax rate to get your tax bill.

Assessment notices: In Colorado County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of May.

Each property owner receives an assessment notice that contains both the market value and assessed value, along with an estimate of your property tax bill. By understanding how assessed and market values are determined, property owners can better navigate their tax responsibilities in Altair.

For example, the median home price in Altair is $73,780, with tax bills ranging significantly across the county. 77412 has the highest median home price at $73,780.

Property Tax Assessment Values Across Altair, Colorado County, Texas

Source: Ownwell

$47,640

$200,173

$352,705

Median Altair Market Value

$73,780

Median Colorado County Market Value

$149,715

Median Texas Market Value

$258,851

Median United States Market Value

$235,294

Property Tax Assessment Values Across Altair, Colorado County, Texas

Zip	10th Percentile	25th Percentile	Median Home Price	75th Percentile	90th Percentile
77412	$9,110	$20,000	$73,780	$181,912	$352,936

Source: Ownwell

Property Tax Bills Across Altair, Colorado County, Texas

How are property tax bills calculated in Altair?

Property tax bills in Altair are based on the assessed value of a home and the local tax rate set for Colorado County. The assessed value is tied to the market value of the property, so homes with higher market values generally face larger tax bills. Local taxing authorities use this assessment to determine what each homeowner owes.

What factors affect the amount a homeowner pays?

The biggest factors are the home’s market value, the assessed value used for taxation, and the tax rate applied in the area. In Altair, the median home price is $73,780, and the median property tax bill is $637, which is far below the national median property tax bill of $2,400 and the national median property tax rate of 1.02%.

How does this affect homeowners?

For many homeowners, a lower tax bill can make owning a home more affordable, while a higher assessed value can increase annual costs. Property tax bills can vary widely, with the 25th percentile at $199 and the 90th percentile at $4,839.

Property Tax Bills Across Altair, Colorado County, Texas

Source: Ownwell

$357

$2,097

$3,836

Median Altair Tax Bill

$637

Median Colorado County Tax Bill

$1,717

Median Texas Tax Bill

$3,441

Median United States Tax Bill

$2,400

Property Tax Bills Across Altair, Colorado County, Texas

Zip	10th Percentile	25th Percentile	Median Tax Bill	75th Percentile	90th Percentile
77412	$59	$199	$637	$1,627	$4,839

Source: Ownwell

Don't miss the deadline to protest!

Dates
Appeal Deadline	May 29
Tax Bill
Issued	October 1
Due Date #1	November 30
Due Date #2	June 30

Links
Colorado Appraisal District
Website	esearch.coloradocad.org

Frequently Asked Property Tax Questions in Altair, Texas

How are property taxes calculated in Altair, Texas?

Property taxes in Altair, Texas are calculated by multiplying your property's assessed value by the applicable tax rate set by local taxing authorities. The assessed value is determined by the county assessor and may differ from your property's market value depending on local assessment ratios and exemptions.

How do I appeal my property taxes in Altair, Texas?

To appeal your property taxes in Altair, Texas, you typically need to file a formal protest or appeal with your local appraisal district or assessor's office by the stated deadline. You'll need evidence such as comparable sales, a recent independent appraisal, or documentation of property condition issues. Ownwell can handle this entire process for you.

What property tax exemptions are available in Altair, Texas?

Common property tax exemptions in Altair, Texas include homestead exemptions for primary residences, senior citizen exemptions, veteran exemptions, and disability exemptions. Exemption amounts and eligibility requirements vary by county. Contact your local appraisal district or check Ownwell for details specific to your property.

When are property taxes due in Altair, Texas?

Property tax deadlines in Altair, Texas vary by county but typically include an assessment notice period in spring or early summer, followed by an appeal deadline, and a tax payment due date in the fall or winter. Check with your county assessor's office for specific dates in your area.

How can Ownwell help reduce my property taxes in Altair, Texas?

Ownwell provides professional property tax appeal services in Altair, Texas. Our team analyzes your assessment, gathers evidence, files all paperwork, and represents you at hearings — all with no upfront cost. You only pay a percentage of your savings if we successfully lower your tax bill.