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Allenspark, Boulder County, Colorado Property Taxes

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Property Taxes in Allenspark, Colorado

  • Median Allenspark, Colorado effective property tax rate: 0.36%, significantly lower than the national median of 1.02%, and lower than the Colorado state median of 0.50%.

  • Median Allenspark, Colorado home value: $406,400

  • Median annual Allenspark, Colorado tax bill: $1,506, $894 lower and lower than the national median property tax bill of $2,400.

How are property taxes in Boulder calculated?

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

Last Updated April 13, 2026

Allenspark, Boulder County, Colorado Property Tax Bill Calculator

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

0.36%

Estimate Property Tax Bill

$1,463

$1,358

SAVE WITH OWNWELL

$774

Average Annual Tax Savings

How Does the Allenspark Property Tax Calculator Work?

Use this Allenspark property tax calculator to estimate your annual tax bill. Enter your property's assessed value and our calculator applies Allenspark's median effective tax rate of 0.36% — based on actual property records in Boulder 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 Allenspark'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 Allenspark: rates range from 0.36% in 80510 to 0.36% in 80510, primarily due to differences in school district levies and local assessment districts.

If your estimate is higher than expected, Ownwell can appeal your Allenspark assessment — you only pay if we save you money.

About Allenspark Property Taxes

About Property Taxes in Allenspark, Boulder, Colorado

Allenspark’s median effective property tax rate of 0.36% is lower than the Colorado state median of 0.50% and lower than the national median of 1.02%. This rate reflects the Boulder County base levy combined with local school district levies and metro districts that vary by subdivision throughout the city.

Property tax rates are not uniform across Allenspark. Homeowners in the 80510 ZIP code carry a median effective rate of 0.36%, while those in the same ZIP code pay 0.36%. This spread reflects how school district boundaries and local assessment districts are drawn across Boulder County. Understanding which part of Allenspark you live in can make a meaningful difference to your annual tax bill.

Allenspark homeowners who believe their assessed value is too high can file a formal appeal with the local Tax Assessor before the June 1, 2026 deadline each year.

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 Allenspark, Boulder County, Colorado

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 Allenspark's effective property tax rate to other cities in Colorado and the median property tax rates in Colorado and the U.S.

Property Tax Rates Across Allenspark, Boulder County, Colorado

Source: Ownwell

0.36%

0.54%

0.72%

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 Allenspark Tax Rate

0.36%

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 Boulder County Tax Rate

0.57%

Median Effective Colorado Tax Rate

0.50%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Allenspark, Boulder County, Colorado

Zip10th Percentile25th PercentileMedian Tax Rate75th Percentile90th Percentile
805100.24%0.33%0.36%0.39%0.42%

Source: Ownwell

Property Tax Assessment Values Across Allenspark, Boulder County, Colorado

When examining property taxes in Allenspark, Colorado, 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. Boulder County 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 Boulder County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of {month when notices are sent}.

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 providing insights into how assessed and market values are determined, this section helps property owners navigate their tax responsibilities and understand the valuation processes affecting their property taxes in Allenspark.

For example, the median home price in Allenspark is $406,400, with tax bills ranging significantly across the county. ZIP code 80510 has the highest median home price at $406,400. The median property tax bill is $1,506, compared with the national median property tax bill of $2,400 and the national median property tax rate of 1.02%.

Property Tax Assessment Values Across Allenspark, Boulder County, Colorado

Source: Ownwell

$406,400

$931,350

$1,456,300

Median Allenspark Market Value

$406,400

Median Boulder County Market Value

$722,400

Median Colorado Market Value

$519,879

Median United States Market Value

$235,294

Property Tax Assessment Values Across Allenspark, Boulder County, Colorado

Zip10th Percentile25th PercentileMedian Home Price75th Percentile90th Percentile
80510$122,888$285,650$406,400$583,532$787,980

Source: Ownwell

Property Tax Bills Across Allenspark, Boulder County, Colorado

Property tax bills in Allenspark are based on the assessed value of a home and the local tax rate set for Boulder County. Homeowners with a median home price of $406,400 can see bills vary widely depending on how their property is assessed and which exemptions apply. In this area, the 25th percentile tax bill is $975, the 75th percentile is $2,198, and the 90th percentile reaches $3,087, showing how much taxes can differ from one homeowner to another.

These taxes affect monthly housing costs and can make ownership more expensive when a home is assessed above its market value. If your property tax bill seems too high, Ownwell can help by reviewing your assessment, identifying savings opportunities, and filing an appeal on your behalf. By challenging an unfair assessment and checking for exemptions, Ownwell helps homeowners lower their property tax bills and keep more money in their pocket.

Property Tax Bills Across Allenspark, Boulder County, Colorado

Source: Ownwell

$1,506

$5,408

$9,309

Median Allenspark Tax Bill

$1,506

Median Boulder County Tax Bill

$4,202

Median Colorado Tax Bill

$2,732

Median United States Tax Bill

$2,400

Property Tax Bills Across Allenspark, Boulder County, Colorado

Zip10th Percentile25th PercentileMedian Tax Bill75th Percentile90th Percentile
80510$309$975$1,506$2,198$3,087

Source: Ownwell

Don't miss the deadline to appeal!

Frequently Asked Property Tax Questions in Allenspark, Colorado

How are property taxes calculated in Allenspark, Colorado?
Property taxes in Allenspark, Colorado 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 Allenspark, Colorado?
To appeal your property taxes in Allenspark, Colorado, 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 Allenspark, Colorado?
Common property tax exemptions in Allenspark, Colorado 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 Allenspark, Colorado?
Property tax deadlines in Allenspark, Colorado 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 Allenspark, Colorado?
Ownwell provides professional property tax appeal services in Allenspark, Colorado. 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.