January 1, 2026
Thinking about buying in Golden and seeing “metro district” pop up in the fine print? You are not alone. Metro districts can shape your monthly costs, yet many buyers only notice them at tax time. This guide breaks down what metro districts are, how the taxes and fees work in Jefferson County, and how to review disclosures so your budget stays on track. Let’s dive in.
A metropolitan district is a local government unit formed under Colorado law to fund and maintain public improvements in a defined area. In Golden and nearby foothill neighborhoods, developers often use districts to finance streets, water and sewer, drainage, landscaping, parks, and similar infrastructure. The district can issue bonds, levy property taxes called mill levies, and charge fees for operations and maintenance.
Early on, a developer may control the district’s board. Over time, control typically transfers to resident-elected directors. That shift matters because it can influence future budgets, mill levies, and big decisions like additional bond issuance.
Your annual property tax bill combines the mill levies from all taxing entities tied to your parcel. That can include the county and school district, plus any metro district. The practical formula is: Annual tax from a specific mill levy equals assessed value multiplied by the mill levy divided by 1,000.
Your assessed value is based on the state residential assessment rate applied to the market value. The district portion of your bill often has two parts: a debt service mill levy that repays bonds and an operations and maintenance (O&M) mill levy that funds day-to-day needs.
Some districts charge flat fees or service charges that are not on the county tax bill. Examples include annual O&M fees, tap or connection fees, or a recorded special assessment. Ask how and when these are billed so you can include them in your monthly budget.
Start with the numbers you can verify, then plug them into a simple worksheet. Always confirm the current residential assessment rate, parcel assessed value, and certified mill levies with Jefferson County and the district before finalizing your budget.
| Item | Your input | Formula or note |
|---|---|---|
| 1. Purchase price or market value (PV) | ||
| 2. Residential assessment rate (RAR) | Get current percent from the Assessor | |
| 3. Assessed value | Assessed value = PV × RAR | |
| 4. Combined county/school mills (M_county) | From county certified mills | |
| 5. District debt mill (M_debt) | From district certification | |
| 6. District O&M mill (M_OM) or flat fee (Fee_OM) | From district budget or fee schedule | |
| 7. Annual county/school tax | Assessed value × (M_county ÷ 1,000) | |
| 8. Annual district debt tax | Assessed value × (M_debt ÷ 1,000) | |
| 9. Annual district O&M tax or fee | Assessed value × (M_OM ÷ 1,000) or Fee_OM | |
| 10. Annual HOA dues | HOA monthly × 12 | |
| 11. Annual insurance and utilities | Estimate or known amounts | |
| 12. Annual mortgage P&I | Lender amortization or P&I monthly × 12 | |
| 13. Total annual carrying cost | Sum rows 7–12 | |
| 14. Total monthly carrying cost | Row 13 ÷ 12 |
To compare a flat fee to a mill levy, use: Equivalent mill = (Annual flat fee ÷ Assessed value) × 1,000.
Assumptions for illustration only. Always confirm the current assessment rate, assessed value, and certified mills for your property.
Calculations using O&M mills:
The district portion is a smaller slice than mortgage in this example, but it can meaningfully shift monthly carry. If mills or fees change, rerun the worksheet using the new numbers.
An HOA is a private association funded by dues and governed by covenants. A metro district is a public entity with taxing power that finances and sometimes maintains public infrastructure. Some communities have both. Use the district budget and HOA documents to see which services each handles so you avoid double-counting or gaps in maintenance.
Buying in Golden’s foothills often means new or evolving metro districts. The right plan is to verify the numbers early, read the disclosures carefully, and run a full carrying-cost estimate so nothing is a surprise. If you want help gathering documents, interpreting a district budget, or building a clear monthly cost picture for a specific home, reach out.
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