Real Estate Tax Calc
Why Denver Attracts Real Estate Investors
Denver has built a reputation as one of the most resilient rental markets in the Mountain West. Strong population growth, a diversified economy anchored by energy, aerospace, healthcare, and a large state-government workforce, and a consistent undersupply of housing at lower price points have supported both rent growth and appreciation over the past decade.
Cap rates for Denver SFRs and small multifamily generally run in the 4.5 to 6 percent range, with stronger returns in outlying suburbs like Aurora, Lakewood, and Thornton. For long-distance investors, Colorado’s favorable tax profile adds to the appeal: a 4.4% flat income tax, full bonus depreciation conformity, no state transfer tax, and no state estate tax reduce the tax drag relative to higher-burden states.
This guide explains every major tax consideration for Denver investment properties: Colorado income tax on rental income, federal depreciation and state conformity, property taxes, capital gains at exit, and LLC ownership considerations that affect your effective rate.
Colorado State Income Tax on Rental Income
Colorado levies a 4.4% flat income tax on net taxable income, including net rental income. This rate applies from the first dollar of income, with no brackets. Net rental income is computed as on the federal Schedule E: gross rents minus deductible expenses including operating costs, mortgage interest, property taxes, insurance, and depreciation. Colorado uses rolling federal conformity, so deductions accepted federally generally carry through to the Colorado return.
Colorado Form DR 0104 is the individual income tax return for Colorado residents; nonresident landlords with Colorado-source rental income file the same form with a nonresident apportionment. The Colorado return typically starts with federal adjusted gross income and makes a small number of additions and subtractions, most of which do not affect rental income specifically.
Under Colorado’s Taxpayer’s Bill of Rights (TABOR), the state must refund revenue collections that exceed a constitutional limit. In some years, TABOR refunds have effectively reduced the Colorado income tax rate for that year below the statutory 4.4%. This is a modest but real benefit that occasionally appears in the news; the effective rate for any specific tax year can be confirmed with a Colorado CPA.
Federal Depreciation and Colorado’s Full Conformity
Colorado fully conforms to federal bonus depreciation under IRC Section 168(k). The same bonus depreciation percentage that applies on the federal return — 60% for 2024, 40% for 2025, 20% for 2026 — applies on the Colorado return without any addback or adjustment. A Denver investor conducting a cost segregation study generates the same accelerated deduction at both the federal and state level.
This conformity distinguishes Colorado favorably from states like Illinois, which require a bonus depreciation addback that eliminates the year-one acceleration benefit. In Colorado, a cost segregation study on a newly acquired Denver apartment building can front-load significant depreciation in year one at both federal and state levels, improving acquisition-year cash flow.
Standard MACRS depreciation flows through without modification, and Section 179 expensing follows federal limits. Colorado also allows a subtraction for certain capital gain income derived from Colorado sources under specific circumstances — consult a Colorado CPA to evaluate whether any such subtraction might apply to your real estate gains.
Colorado Property Taxes
Colorado property taxes are set at the county level with rates that vary by taxing district. For residential rental properties, the effective rate across the Denver metro area typically runs between 0.5% and 0.7% of fair market value, which is moderate relative to both coastal markets and Midwest metros like Chicago.
Colorado’s property tax system has undergone significant legislative changes in recent years. Legislation passed in 2023 introduced temporary assessment rate reductions and residential value caps to mitigate the impact of rapid appreciation on tax bills. The long-term framework for Colorado property taxes is evolving, and investors should confirm current assessment ratios and levy rates for Denver County (or the specific county) before finalizing acquisition projections.
As with all rental properties, Colorado property taxes are deductible on Schedule E as a business expense, not subject to the $10,000 SALT cap. A $5,000 annual Denver property tax bill reduces taxable rental income dollar for dollar, saving approximately $220 in Colorado income tax at 4.4%.
Colorado Real Estate Transfer Tax
Colorado does not impose a state real estate transfer tax on the conveyance of property. This is a meaningful difference from states like Washington (1.1% to 3.0% REET), Maryland (combined state and local transfer taxes up to 2.5%+), and Illinois (state plus Chicago city transfer taxes). For a $600,000 Denver acquisition, the absence of a state transfer tax saves $6,600 to $18,000 compared to those states.
Some Colorado counties and resort communities have their own transfer taxes or excise fees. Eagle County (Vail area), Summit County (Breckenridge), and San Miguel County (Telluride) impose transfer taxes that can be significant. Standard Denver metro counties — Denver, Arapahoe, Jefferson, Douglas, Adams — do not have local transfer taxes. Confirm for the specific location before closing.
At sale, closing costs including title insurance, recording fees, and any applicable county transfer taxes reduce the seller’s amount realized and therefore reduce the taxable gain. Keeping detailed closing statements across both the purchase and the sale is essential for accurate capital gain calculation.
Capital Gains When Selling a Denver Investment Property
Colorado taxes net long-term capital gains as ordinary income at 4.4%. There is no preferential Colorado rate for real estate gains. Federal depreciation recapture (up to 25% federally) is included in Colorado taxable income and taxed at the same 4.4% rate. Colorado does not impose a separate estate or inheritance tax, so investment real estate passing at death is subject only to federal estate tax.
Colorado offers a capital gain subtraction for net capital gains from Colorado assets held for at least five years, subject to specific limitations and thresholds. The subtraction is not unlimited and has income phase-outs; it applies to Colorado-source gains from qualified assets. A Denver CPA can advise whether investment real estate qualifies and what portion of the gain may be subtracted. Do not assume automatic applicability without confirming the current rules.
A Section 1031 like-kind exchange defers both federal and Colorado capital gains. Colorado follows federal deferral rules. The replacement property can be in any state. Use the 1031 exchange calculator to estimate whether exchanging is more tax-efficient than selling taxably, factoring in both federal and Colorado tax liability.
LLC Ownership of Denver Rental Properties
A single-member Colorado LLC taxed as a disregarded entity is the most common structure for individual Denver investors. Rental income flows to the member’s personal Colorado return at 4.4% with no entity-level income tax. Colorado’s annual LLC periodic report fee is $10, among the lowest in the country, making separate LLCs per property a very low-cost liability isolation strategy.
Multi-member LLCs file a Colorado partnership return (Form DR 0106) and issue K-1 equivalents to members. Each member reports their share on their Colorado individual return at 4.4%. Colorado does not impose a Personal Property Replacement Tax like Illinois does on partnerships, simplifying the tax treatment for multi-member structures.
Colorado also does not impose a franchise tax on LLCs or corporations based on net income. The only state-level recurring cost for a Colorado rental LLC is the $10 annual periodic report. This low overhead makes Colorado an attractive jurisdiction for multi-property investors who want separate liability silos for each asset.
Common Mistakes and Planning Tips for Denver Investors
Assuming the capital gain subtraction applies automatically. Colorado’s capital gain subtraction for certain Colorado-source gains held over five years is not automatic or unlimited. Qualification rules, phase-outs, and holding-period requirements must be confirmed with a Colorado CPA each year. Do not build this subtraction into projections without verified eligibility.
Missing the bonus depreciation phase-down. The Colorado bonus rate mirrors the federal rate — 60% in 2024, 40% in 2025, 20% in 2026. Investors planning a 2025 or 2026 acquisition should understand the reduced first-year deduction compared to acquisitions made in prior years, and model accordingly.
Overlooking county-specific property tax variations. Denver County, Arapahoe County, Jefferson County, and other Front Range counties all have different mill levy rates and different schedules for property reassessment. A property in Englewood (Arapahoe County) will have a different effective property tax rate than a comparable property in Denver proper. Obtain the specific assessed value and mill levy for any target acquisition.
Frequently asked questions
Does Colorado conform to federal bonus depreciation?
Yes. Colorado fully conforms to federal bonus depreciation under IRC Section 168(k). The same bonus percentage in effect for federal purposes — 60% for 2024, phasing down to 40% in 2025 and 20% in 2026 — applies on the Colorado return without any addback. This is favorable for Denver investors conducting cost segregation studies, as the acceleration benefit applies at both the federal and state level simultaneously.
What is Colorado’s income tax rate on rental income?
Colorado’s flat income tax rate is 4.4% for 2024. This rate applies to net rental income and to net long-term capital gains from investment property sales. The rate can be effectively reduced in years when TABOR refunds apply, but the standard statutory rate is 4.4%. Colorado does not allow cities to levy local income taxes, so the 4.4% state rate is the only income tax on Denver rental earnings.
Is there a Colorado state real estate transfer tax?
No. Colorado does not impose a state real estate transfer tax on property conveyances. This makes Colorado one of the lower-cost states for real estate transactions. Some mountain resort counties have their own local transfer taxes, but standard Denver metro counties do not. Recording fees and title insurance costs apply but are modest relative to percentage-based transfer taxes in other states.
How does Colorado tax capital gains on investment property sales?
Colorado taxes net long-term capital gains as ordinary income at the 4.4% flat rate. There is no preferential Colorado capital gains rate. Colorado does provide a capital gain subtraction for certain qualified Colorado-source gains held over five years, but eligibility requirements and phase-outs mean it does not apply in all cases. Confirm with a Colorado CPA whether your gain qualifies before relying on the subtraction.
Does Colorado have an estate tax?
No. Colorado does not impose a state estate or inheritance tax. Investment real estate passing at death in Colorado is subject only to the federal estate tax, which applies above the federal exemption (over $13 million per individual in 2024). This is favorable for Denver real estate investors building multigenerational wealth compared to states like Massachusetts or Illinois that impose estate taxes at lower thresholds.
What effective property tax rate should I model for a Denver investment property?
For Denver metro investment properties, the effective property tax rate typically runs 0.5% to 0.7% of fair market value. The specific rate depends on the county and the current mill levy. Recent Colorado legislation has temporarily adjusted assessment ratios, so always confirm the current rate with the specific county assessor rather than using a generic estimate. Property taxes are fully deductible on Schedule E as a rental business expense.
Sources
Educational information and estimates only. Not tax advice. Tax rules change and vary by situation; consult a qualified tax professional before acting.