The Levy That Is Not in the Listing: Pricing Inside a Denver Metro District

Two houses in Green Valley Ranch, same builder, same floor plan, listed within a month of each other. Every field in the listing matches except one, and the one that differs is the property tax figure, which is lower on the newer house.

That is the wrong way round, and it is the clearest sign in Denver that a comparable has a metro district behind it.

What a metro district is

A metropolitan district is a quasi-governmental entity formed under Title 32 of the Colorado Revised Statutes. A developer forms the district, the district issues bonds to pay for roads, water lines, parks and other infrastructure, and the homeowners who arrive later repay those bonds through a debt service mill levy added to their property tax.

It is not a scandal and it is not unusual. Colorado's constitutional limits on local revenue make it difficult for a city to carry the upfront cost of new infrastructure, and the district is the mechanism that fills the gap. It is how most new neighbourhoods in the state got built. Aurora, Commerce City, Thornton, Erie, Parker and Castle Rock are full of them, and so are pockets of northeast Denver including Green Valley Ranch, Northfield and Pena Station.

What it does to a price is a separate question, and it is one almost nothing in the listing record answers.

The number that misleads

Metro district levies can add 25 to 60 mills on top of the ordinary rate, and the repayment horizon commonly runs 30 to 40 years.

Aurora, which has required new districts to follow its model service plan since 2004, caps debt levies at 50 mills, operating levies at 20, and the term at 40 years. Those caps exist because the burden without them is material.

The problem for a comparable set is that the tax figure attached to a listing is historical. On new construction inside a district it can be extremely low, because the property was assessed before the house existed or while the neighbourhood was still being built. The figure then rises as the district matures and the assessed base grows.

So the listing shows a number that describes a past year and understates the forward obligation, and every buyer, every lender running an affordability calculation, and every automated valuation reads it as current.

This is the same shape of problem as a recorded sale price that overstates what a buyer economically paid, arriving from the carrying cost side rather than the financing side. In both cases the record is accurate and describes something other than what the next buyer faces.

The threshold: two figures before the price goes on paper

The current mill levy and the bond maturity schedule. Both are public and both take minutes to obtain.

The levy tells you what a buyer will pay next year rather than what the last owner paid three years ago. The maturity schedule tells you whether the levy is temporary and declining as bonds amortise, or fixed for another two decades.

Those two facts separate a district that is winding down from one that has just begun issuing, and they can be twenty years and tens of thousands of dollars apart on houses that look identical in a comparable set.

The Colorado Department of Local Affairs maintains a registry of districts. Every district files annual financial statements with the Office of the State Auditor, either audited statements or an audit exemption application, and that is where the authoritative outstanding debt figures sit.

Comparing across the boundary

The hardest version of this is a comparable set that crosses a district line.

A house inside a district and a house outside it are not the same asset even where the buildings are identical, because the carrying cost differs for decades. A buyer comparing monthly payments will see it. A comparable set built on sale price alone will not.

Which means the adjustment is not a condition adjustment or a location adjustment. It is a carrying cost adjustment, and there is no field for it.

The practical approach is to prefer comparables inside the same district where they exist, and where they do not, to say plainly in the analysis that the set crosses a boundary and what the levy difference is. A seller who understands that their competition carries a different tax burden is a seller who can hear why their price sits where it does.

The arithmetic is worth doing rather than describing. A mill is one thousandth of a dollar of assessed value, and Colorado converts market value to assessed value at a residential rate of roughly 6.7%. So on a home with a market value of $600,000, the assessed value is about $40,200, and a 40 mill district levy is roughly $1,600 a year on top of the ordinary bill. Over a 30 year bond horizon that is a substantial figure, and it is invisible in a sale price.

That is also why the effect is larger at the lower end of a market than at the top. The same levy is a bigger share of an affordability calculation on a $450,000 house than on a $900,000 one, and district housing skews toward the first.

The disclosure, and what it does not solve

Since 1 January 2024, a Colorado seller inside a metro district organised on or after 1 January 2000 has been required to give the buyer the district's official website.

That is a real improvement and it is a disclosure rather than a valuation. It tells a buyer where to look. It does not adjust a comparable, and it arrives after a contract rather than before a price is set.

The pricing decision happens earlier, at the listing appointment, and nothing in the disclosure regime reaches that moment.

What is a metro district in Colorado?

A metropolitan district is a quasi-governmental entity formed under Title 32 of the Colorado Revised Statutes to fund infrastructure for a new development. The developer forms the district, the district issues bonds to build roads, utilities and amenities, and homeowners repay that debt through an additional mill levy on their property tax, often for 30 to 40 years.

How much do metro district taxes add in Colorado?

Commonly 25 to 60 mills on top of the ordinary rate, though the figure varies by district and by where it sits in its bond cycle. Aurora caps debt levies at 50 mills and operating levies at 20 under its model service plan. The only reliable figure is the district's current levy, which is public.

Does a metro district affect what a home is worth?

It affects what a buyer can afford to pay for it, which comes to the same thing. A higher carrying cost reduces the price a given buyer can support, so two otherwise identical homes on either side of a district boundary do not compete on equal terms. The effect is real and it does not appear as a field in any comparable set.

What to record, and when

The district name, the current mill levy, and the bond maturity year belong on the deal record at intake, alongside whether the property sits inside a district at all.

None of that is recoverable later from a listing archive, in the way that a permit record establishes what work cost and not what it returned. The levy changes, the disclosure travels with a transaction rather than with a property, and in three years the next agent pricing that house has the same problem from the beginning.

This is Context Blindness in a form that is entirely public. Every figure exists, in a state registry and an auditor's filing, and none of it is in the record an analysis reads. Where the district, the levy and the maturity are captured at intake and carried through, CMAflow's report shows why a comparable inside a different district was weighted down, with the reason printed beside the adjustment rather than left for the seller to infer.

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The Independent Agent
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