Understanding Property Taxes in Denver
If you are looking at homes in the Mile High City, you might be bracing yourself for the price tag. It is no secret that property values here have climbed significantly over the last decade. However, there is usually a pleasant surprise waiting for clients when we sit down to go over the monthly budget: the property taxes.
While home prices are high, our tax rates are actually among the lowest in the country. That dynamic can make the overall cost of living in Denver more manageable than you might expect compared to other major metros.
Because the City and County of Denver is a consolidated entity, the system is a bit unique. You aren’t dealing with a separate city hall and county courthouse; you have one Treasurer and one Assessor. While the system is streamlined, recent changes in state law—specifically the legislative adjustments seen in SB24-233—have made the math a little more complex for tax bills payable in 2025 and 2026.
Here is a plain-English guide to how the numbers work, so you know exactly what to expect when that bill arrives.
How Are Property Taxes Calculated in Denver?
Calculating your bill isn’t just about taking your home’s value and slapping a percentage on it. In Colorado, there is a three-step formula that stands between the market value of your home and the check you write to the Treasurer.
The basic formula looks like this: (Actual Value − Exemption) × Assessment Rate × Mill Levy = Tax Due
Let’s break down those three moving parts:
- Actual Value: This is the market value determined by the Assessor. They look at comparable sales (comps) from a specific data collection period to estimate what your home would sell for. This is important to note when building a home from scratch.
- Assessment Rate: This is the percentage of your home’s value that is actually taxable. Colorado doesn’t tax 100% of the home’s value; they only tax a slice of it.
- Mill Levy: This is the tax rate itself. One “mill” equals $1 of tax for every $1,000 of assessed value.
The Colorado Residential Assessment Rate
This is the part of the equation that causes the most confusion because the state legislature tweaks it often to prevent taxes from spiking too hard when home values rise.
For the bills you are paying in 2025 (based on the 2024 tax year), the state has provided some emergency relief measures. Currently, the residential assessment rate is sitting roughly around 6.7%. On top of that, there is a value deduction (often around $55,000) that gets subtracted from your home’s value before the rate is applied.
Looking ahead to bills payable in 2026, the rules under SB24-233 will start to separate the rates. You will likely see one rate for school districts (projected around 7.15%) and a slightly lower rate for local governments (closer to 6.4%–6.95%).
One major note for investors: If you are looking at commercial real estate, the math is very different. Commercial assessment rates are historically much higher—typically around 27% to 29%. This is why the carrying costs for a commercial building are significantly steeper than for a residential rental property.
Decoding the Denver Mill Levy
Once the state determines the taxable value of your home, the local authorities apply the Mill Levy. Think of the levy as the local budget requirement.
For the 2024 tax year (bills due in 2025), the total mill levy for a standard Denver property is approximately 79.202 mills.
Where does that money go?
- Denver Public Schools: This is usually the largest portion of your bill.
- City and County General Fund: This pays for police, fire, parks, and libraries.
- Special Districts: Depending on where your home is, you might pay small amounts to entities like the Urban Drainage and Flood Control District.
When you compare neighborhoods in Denver to the surrounding suburbs, you will often find that Denver’s mill levy is lower. Many newer suburban developments in areas like Aurora or Commerce City have “Metro District” taxes to pay for infrastructure, which can push their total levies well over 100 mills. Living in the city center often means a lower tax rate, which helps offset the higher purchase price of the home.
Example: Calculating a Denver Tax Bill
The abstract percentages are fine, but let’s look at real money. Let’s assume you own a single-family home with an Actual Value of $600,000.
The Scenario: A $600,000 home
- 1. Knock off the state deduction: First, you take the market value and subtract the state-approved exemption (which is roughly $55,000). $600,000 – $55,000 = $545,000
- 2. Calculate the Assessed Value: Next, you apply the residential assessment rate—currently sitting at about 6.7%—to that adjusted total. $545,000 × 0.067 = $36,515
- 3. Apply the Mill Levy: The final step is multiplying that assessed value by your local mill levy (in this case, we’ll use 0.079202). $36,515 × 0.079202 = $2,892
The Bottom Line: For a home valued at $600,000, you’re looking at an estimated annual tax bill of roughly $2,892.
Note: This is a simplified estimate. Your specific bill may vary slightly based on exact local districts.
When Are Denver Property Taxes Due?
The Denver Treasurer gives you two ways to pay your bill. You can pay it all at once, or you can split it into two chunks to help with cash flow.
Option 1: Split Payments
- First Half: Due by the last day of February.
- Second Half: Due by June 15.
Option 2: Full Payment
- One Lump Sum: Due by April 30.
You can pay online via the Denvergov.org website. Electronic checks are usually free, while credit card payments will incur a processing fee.
A note on Escrow: If you have a mortgage, you likely won’t be writing these checks yourself. Most lenders collect 1/12th of your estimated tax bill every month as part of your mortgage payment and put it into an escrow account. When the bill comes due, the lender pays it for you. If you are reviewing a Denver relocation guide, make sure you clarify with your lender whether your monthly quote includes these escrowed taxes.
Exemptions and Relief Programs
There are several programs designed to help residents stay in their homes, specifically aimed at seniors and those with qualifying disabilities.
The Senior Property Tax Exemption is a state-wide program that is incredibly valuable for long-term residents. To qualify, you must be at least 65 years old and have owned and lived in your home as your primary residence for at least 10 consecutive years. If you qualify, the state exempts 50% of the first $200,000 of your home’s actual value from taxation.
For veterans, the Disabled Veteran Exemption offers similar benefits to those with a service-connected disability rating of 100%.
Locally, there is also the Denver Property Tax Relief Program. Unlike the exemptions above which reduce the bill, this is a refund program. It is designed for lower-income residents (both renters and owners). If your income is below the limit (for example, roughly $31,000 for a couple, though this adjusts annually), you could receive a refund check averaging around $1,000 to help offset housing costs.
Deadlines matter here: The Senior Exemption application is typically due by July 15, while the local Relief Program application is due by April 30.
Denver Property Taxes vs. State and National Averages
When we look at the big picture, Colorado consistently ranks as having some of the lowest effective property tax rates in the United States—often in the bottom three alongside Hawaii and Alabama.
In high-tax states like New Jersey or Texas, you might pay 2% or more of your home’s value in taxes every year. In Denver, you are paying significantly less than 1%.
However, because the median home price in Denver is much higher than the national average, the dollar amount you pay might still feel significant. The trade-off is essentially a higher mortgage payment (for the home value) in exchange for a lower monthly tax burden. It is vital to factor this in when comparing Denver housing costs to other cities.
Appealing Your Valuation
If you receive your Notice of Value and spit out your coffee because you think it’s way too high, you have the right to appeal. This process is called a “protest.”
Assessments happen every two years in odd-numbered years (e.g., 2025, 2027). You will receive a Notice of Value in May. The protest period is short—usually from May 1 to June 8.
To win an appeal, you need data. You cannot just argue that taxes are too high. You need to prove that the Assessor used incorrect data (like saying you have a finished basement when you don’t) or that they used comparable sales that aren’t actually comparable to your home.
Frequently Asked Questions
What is the mill levy for Denver in 2026?
For bills payable in 2026, the total mill levy for the City and County of Denver is approximately 79.202 mills. This rate applies to the assessed value of the property, not the market price.
How does the Senior Property Tax Exemption work in Denver?
This exemption allows qualifying seniors to avoid paying taxes on 50% of the first $200,000 of their home’s actual value. To qualify, you must be 65 or older and have owned and occupied the property as your primary residence for at least 10 years prior to January 1 of the tax year.
Do I pay property taxes if I have a mortgage?
Yes, you still owe the taxes, but the logistics might be handled by your lender. Most borrowers pay a portion of their annual taxes each month into an escrow account, and the mortgage servicer pays the Denver Treasurer directly on your behalf when the bill is due.
Why did my Denver property taxes go up so much?
Taxes generally rise for two reasons: either the voters approved a new measure to fund schools or infrastructure, or (more likely) the Actual Value of your home increased significantly during the last assessment period. Recent housing market surges have caused assessed values to jump, leading to higher bills even if the tax rate remained steady.
When are property taxes due in Denver?
If you pay in full, the deadline is April 30. If you choose to pay in two installments, the first half is due the last day of February, and the second half is due June 15.
Disclaimer: I am a real estate professional, not a CPA or tax attorney. Property tax laws in Colorado are subject to change, and individual situations vary. Please verify specific details with the Denver Assessor’s Office or a qualified tax professional.


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