General Information About the District

The Mayfield Metropolitan District (District), a quasi-municipal corporation and political subdivision of the State of Colorado, was organized by order and decree of the District Court for Adams County on May 18, 2006, and is governed pursuant to provisions of the Colorado Special District Act (Title 32, Article 1, Colorado Revised Statutes). The District operates under a service plan approved by the City of Thornton (the City) in February 2006 as amended and restated on May 09, 2017. The District’s service area boundaries solely encompass the Mayfield subdivision, which is comprised of 276 single family homes.

In 2020, the District issued approximately $9.9 million in bonds to finance the construction and development of public infrastructure within the Mayfield subdivision (e.g. streets, curbs, sidewalks, water and electric lines, sewer lines, storm drainage, detention pond, perimeter fencing, park and open space landscaping, etc). With a few exceptions, the completed infrastructure assets were turned over to Thornton (e.g. streets, sidewalks, water lines and park) and the respective utility companies (e.g. street lights and power lines were turned over to United Power, etc). The open spaces, detention ponds and perimeter fencing were turned over to the District to own and maintain.


In order to fund the repayment of its bond debt and provide neighborhood services to Mayfield residents, the District generates revenue from the following sources:

Property Taxes: Each year, the District assesses property taxes on the homeowners living within the Mayfield neighborhood. Property tax assessments are the District's primary source of revenue and currently comprises approximately 91% of the District's total annual revenue. Restrictions exist on how much property tax revenue the District can collect to fund (1) its annual operations and (2) its annual debt service. 
  • Tax Revenue for Operations: In May 2018, the land developer established a $1 million/year maximum limit on property tax revenue that the District can collect from property owners to fund the operations of the District. If the District desires to raise the annual revenue limit, it must first obtain voter approval from the voters within the District.

  • Tax Revenue for Debt Service: For its annual debt service requirements (i.e. the principal and interest payments due on its debt), the District can set a mill levy of up to a maximum of 55.664 mills to generate property tax revenue to fund its debt service.

State Tax Subsidies: Each year, the District receives a "specific ownership tax" subsidy from the State of Colorado. The State funds this subsidy from its collection of annual vehicle registration fee taxes paid by owners of Colorado-registered vehicles. The subsidy is paid out in the form of a matching contribution to the District and is calculated as a percentage of the total property taxes assessed by the District. The State establishes the rate each year for matching contributions. A historic trend of the matching rates set by the State is provided in Exhibit 1.

Interest Income: State laws restrict the types of funds in which the District may invest its cash.  For the past several years, the District's investment income has been an insignificant source of revenue to the District due to the low interest rates paid by banks on savings accounts and certain low-risk money market funds.

District Contractors

Click here to lean more about the District's contractors.

Bond Debt

Click here to learn more about the District's bond debt.