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Updated 2025 Tax Year

Weld County
Property Tax Guide

Everything you need to know about property taxes in Weld County, CO. Rates, due dates, exemptions, and how it affects your monthly payment.

10 Official Sources
8 min read
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Quick Facts
Tax Rate
Varies by location due to special districts (school, fire, water, metro districts add to base rate)
Exemptions
3+ Available
Section 1

How Property Tax Works

Weld County, Colorado operates under a property tax system that funds essential local services including schools, fire protection, libraries, and county operations. Property taxes are based on the assessed value of your property, which is calculated using the actual (market) value multiplied by the assessment rate. For residential properties in tax year 2025, the assessment rate is 7.05% for school district purposes, though additional assessments may apply for other local services.

The effective tax rate in Weld County varies significantly by location within the county due to special taxing districts such as school districts, fire districts, water districts, and metropolitan districts. These special districts can add substantial costs to your property tax bill. The county reassesses all property every two years, with the next countywide reappraisal scheduled according to Colorado's assessment cycle.

Property owners should be aware that various tax credits are available to reduce their tax burden, but most require annual application and are not automatically applied. The timing and availability of these credits can significantly impact your final tax liability.

Section 2

What Makes Up Your Tax Bill

ComponentRate/DetailsDescription
Base Assessment Rate7.05%Applied to actual value for school district taxes (2025)
County General FundVaries by mill levyFunds county operations and services
School DistrictVaries by districtK-12 education funding, varies significantly by district
Fire DistrictVaries by districtFire protection and emergency services
Library DistrictVaries by districtPublic library services
Water/SanitationVaries by districtWater and sewer services where applicable
Metropolitan DistrictsVaries by districtInfrastructure and services in newer developments

Note: Actual tax rates vary substantially by location within Weld County due to overlapping special taxing districts. The 7.05% assessment rate applies specifically to school district taxes for levy year 2025. Total effective rates typically range from 0.8% to over 2% of actual property value depending on your specific taxing districts.

Section 3

When Are Property Taxes Due?

For the 2025/2026 tax year in Weld County, property taxes are due in two installments:

Pro tip: If you pay through mortgage escrow, your lender splits these payments across your monthly mortgage. If you pay directly, set calendar reminders to avoid late penalties.
Section 4

Supplemental Tax Bills

Supplemental taxes in Weld County are triggered when there are changes to property ownership, new construction, or improvements that increase the assessed value outside of the regular assessment cycle. This can occur when you purchase a home, complete major renovations, or add structures to your property mid-tax year.

The supplemental tax is calculated based on the difference between the old assessed value and the new assessed value, prorated for the remaining months in the tax year. For example, if you purchase a home in June that was previously assessed at a lower value, you may receive a supplemental tax bill covering July through December for the difference in tax liability.

Supplemental taxes are billed separately from your regular annual property tax bill and typically have their own due dates. Property owners should budget for potential supplemental taxes when making property improvements or purchases, as these bills can arrive unexpectedly and require prompt payment to avoid penalties.

Example Calculation

Example 1: $300,000 Home

  • Actual Value: $300,000
  • School Assessment (7.05%): $21,150
  • Estimated Total Assessment (all districts): $24,000
  • Annual Tax (estimated 0.8% effective rate): $2,400
  • Monthly Escrow: $200

Example 2: $600,000 Home

  • Actual Value: $600,000
  • School Assessment (7.05%): $42,300
  • Less Senior Homestead Credit (if qualified): -$6,700
  • Estimated Total Assessment: $45,600
  • Annual Tax (estimated 1.0% effective rate): $5,940
  • Monthly Escrow: $495

Example 3: $1,000,000 Home

  • Actual Value: $1,000,000
  • School Assessment (7.05%): $70,500
  • Less Homestead Exemption (if qualified): -$7,050
  • Estimated Total Assessment: $85,000
  • Annual Tax (estimated 1.2% effective rate): $11,400
  • Monthly Escrow: $950

Note: These examples use estimated effective rates. Actual rates vary by specific taxing districts. Credits shown require annual application and qualification. The Senior Homestead Credit caps assessment increases and requires application by July 1st.

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Section 5

Escrow & Property Taxes

Most mortgage lenders in Weld County require property tax escrow accounts for borrowers with less than 20% down payment. Your lender collects 1/12th of your estimated annual property tax bill each month along with your mortgage payment. The lender then pays your property taxes directly to the county when they become due on January 1st.

Lenders typically conduct an annual escrow analysis to ensure adequate funds are collected. If property taxes increase significantly due to reassessment or new special district taxes, you may face an escrow shortage requiring either a lump sum payment or increased monthly payments. Property owners should review their escrow statements carefully and verify that payments are made correctly and on time.

For properties without escrow accounts, owners are responsible for making payments directly to Weld County. The county accepts online payments, mail-in payments, and in-person payments. It's crucial to ensure payments are received by the due date, as Colorado law allows for significant penalties and potential tax lien sales for delinquent taxes.

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Section 6

Frequently Asked Questions

Q: When are Weld County property taxes due for fiscal year 2025? A: Property taxes are due January 1st for the previous year's assessment. The 2025 tax year bills are typically mailed in December 2024 and due January 1, 2025.

Q: What tax credits are available and how do I apply? A: The Senior Homestead Credit provides a 50% exemption on the first $200,000 of actual value for qualifying seniors. The Disabled Veteran Exemption may also be available. Both require annual application by July 1st and are NOT automatic.

Q: How does the Homestead Credit work? A: The Senior Homestead Credit caps assessment increases rather than reducing market value. It limits how much your assessed value can increase year-over-year. You must file an application annually by July 1st to maintain eligibility.

Q: How often are properties reassessed in Weld County? A: Colorado law requires countywide reappraisal every two years. Property owners receive new valuation notices and have the right to appeal assessments during designated protest periods.

Q: What are the penalties for late property tax payments? A: Colorado imposes significant penalties for delinquent property taxes, including interest charges and potential tax lien sales. Contact the County Treasurer immediately if you cannot make payments on time.

Q: Can I pay my property taxes online? A: Yes, Weld County typically offers online payment options through their official website. Check the County Treasurer's website for current payment portals and accepted methods.

Q: Why is my tax bill different from my neighbor's on a similar home? A: Tax bills vary based on specific special taxing districts that serve your property. Even neighboring properties may be in different school districts, fire districts, or metropolitan districts, causing significant rate differences.

Q: How do I appeal my property assessment? A: Property owners can protest their valuation during the designated protest period, typically in May-June. Contact the Weld County Assessor's office for specific deadlines and required forms.

Q: What triggers supplemental tax bills? A: New construction, major improvements, ownership changes, or other factors that change assessed value outside the regular assessment cycle can trigger supplemental taxes with separate due dates.

Q: Are property taxes deductible on federal income taxes? A: Generally yes, but consult with a tax professional regarding current federal limitations on state and local tax deductions and your specific situation.

Verified Sources

Backed by 10 Official Government Sources

Every fact in this guide is sourced from official county, state, and federal documents.

01
Frequently Asked Questionsweld.gov
02
County
2025 real property notice of valuation - Weld Countyco.weld.co.us
03
Mill Levy Reportweld.gov
04
County
2025 real property notice of valuation - Weld Countyco.weld.co.us
05
Tax Doc
Treasurer Tax Informationweld.gov
06
DS 658 – Oil & Gas Real and Personal Property ...weld.gov
07
County
2025 real property notice of valuation - Weld Countyco.weld.co.us
08
County
2024 real property notice of valuation - Weld Countyco.weld.co.us
09
Tax Doc
Short Form: Property Tax Exemption for Seniorsweld.gov
10
County
TOTALS - Weld Countyco.weld.co.us
All sources verified as of 2025 Tax Year

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