This Week Homeowners Received Updated Valuations From the County Assessor

Taxes in Colorado can’t be raised without a vote of the people, so why do your property taxes go up every other year? The answer is simple — while the rate of taxation (the “mill levy”) can’t be increased without a vote of the people, the valuation of your home does go up based on the market, thereby raising your property taxes.

Unlike many states (for example, California), Colorado’s constitution requires that property taxes be based on the full valuation of the property. It is not based on what you paid for your house, but on what it might have sold for on June 30 of every even numbered year based on the actual sales of comparable homes in your neighborhood, with “neighborhood” defined by type of home, not just locale. One example in Golden is “high end townhomes” and skips around a wide swath of north and south Golden proper.

While the full valuation of your home for next year’s tax bill may be based on what it would have sold for on June 30th of last year, that valuation is based on what your home was like on January 1st of this year. So, if you made a major improvement since last June that was completed by January 1st and that was permitted (the only way the assessor knows about it), your valuation would be based on what your improved home would have sold for last June!

Fortunately, since the valuation of your home is based on what it would have sold for on June 30th of last year, that valuation does not reflect the extreme bidding up of home prices we have seen since last June.

The mill levy for your home is not applied to that full valuation but to 7.15% of it. That’s called the “assessed valuation.” As a quick and easy example, if your home is worth $1,000,000, the assessed valuation is $71,500, and if your mill levy is 100 mills, your tax for 2021 and 2022 for that million dollar home would be $7,150. (“Mill” is from the Latin word for thousand, so the mill levy is applied to each thousand dollars of assessed valuation. Thus, 71.5 thousand dollars multiplied by 100 mills = $7,150.)

TABOR, Douglas Bruce’s 1996 “Taxpayer Bill of Rights,” limits how much money any taxing jurisdiction can retain based on population growth plus inflation. Unless a taxing jurisdiction has “de-Bruced,” that jurisdiction must refund the excess to its taxpayers. The preferred method, however, is to lower the mill levy so that less money is collected in the first place. In some cases, the yearly decline in mill levies due to increased property values has resulted in little or no increase in the property tax bill.

Overall, county assessors have determined that home valuations increased by ½ percent per month over the 24-month assessment cycle from July 2018 to June 2020, so if your home’s 2021 valuation has increased by a lot more than 12% over its 2019 valuation, and there have been no permitted improvements or additions to your property during that two-year period, then you may have a basis for appealing your new valuation.

In my own case, the valuation increase over that period was 34.2%, so I will be appealing my new valuation, since I have made no capital improvements to my home since 2018. I won my appeal two years ago, so my 2018 valuation is acceptable to me. If you didn’t appeal in 2019, or if your appeal wasn’t successful, you may want to appeal even if your 2020 valuation’s increase is close to that 12% average valuation increase.

Any appeal must cite qualified comparable sales which you’ll only find by clicking on the “Sales” tab on the assessor’s web page for your home. Any other comps will be rejected, so don’t ask me or your own agent to find any for you. Remember to “age” the sold prices by 1/2 percent for each month that a given comp’s sale occurred prior to June 2020.

Author: Golden Real Estate, Inc.

Golden Real Estate is a prominent member of the Denver/Jefferson County real estate scene. Based in Golden, we service both Denver and Jeffco, representing both buyers and sellers. We're well known for Broker Jim Smith's weekly "Real Estate Today" column published in the Denver and Jeffco editions of the Denver Post's YourHub section each Thursday. The column also appears in several weekly newspapers and is archived at www.JimSmithColumns.com. We have nine agents, all of whom are Realtors and EcoBrokers. Our office is Net Zero Energy since December 2017, and several of us drive electrics cars. Known for our sustainable practices, we accept polystyrene (aka "Styrofoam") for recycling, keeping 200 cubic yards per year out of area landfills.

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