Cass County Property Tax Appeal — North Dakota

Rob Hartley·Updated February 9, 2026

Cass County is the most populous county in North Dakota, anchored by Fargo, the state's largest city. The county serves as a major economic and educational hub for the eastern part of the state.

Notable cities: Fargo, West Fargo, Horace, Casselton

Median Home

$314,500

Tax Rate

1.42%

Annual Tax

$3,332

Population

approximately 200,000

2026 Appeal Deadline: Multiple deadlines throughout the year

City Board of Equalization meets within the first 15 days of April, County Board meets within the first 10 days of June, and abatements can be filed until November 1st of the year following when property tax becomes delinquent

Property in Cass County, North Dakota — local tax assessment and appeal guide

How Cass County Assesses Property

50%of market value

Assessed by: Cass County Director of Tax Equalization

Assessment cycle: annual

Notices typically mailed: Spring (April-May)

In Cass County, market value represents what a property would sell for between a willing buyer and seller. The assessed value is 50% of market value, and taxable value is 9% of assessed value for residential property.

The Appeal Process

Appeals are heard by the County Board of Equalization. Property owners may present evidence either in person or in writing to support their claim of overassessment. The board will review evidence and make a determination on the property value.

Step 1: Contact the Assessor's office at(701) 241-5616 to discuss concerns informally

Step 2: If unresolved, appeal to City Board of Equalization within first 15 days of April

Step 3: If still unsatisfied, appeal to County Board of Equalization within first 10 days of June

Step 4: As final option, appeal to State Board of Equalization on second Tuesday of August (must have appeared at both city and county boards first)

Required form: Letter of appeal or abatement application from North Dakota Tax website

Filing Methods

phone:Call(701) 241-5616 to start informal appeal process

in-person:Appear before the Board of Equalization during scheduled meetings

mail:Mail abatement applications in duplicate to County Auditor

Evidence to Bring

Comparable sales dataProperty photos showing condition issuesProfessional appraisalsRepair estimates

Cass County Assessor Contact

Cass County Director of Tax Equalization

Phone: (701) 241-5616

Address: PO Box 2806, Fargo, ND 58108-2806

Website: https://cass.northdakotaassessors.com/

Online Portal: https://proptax.casscountynd.gov/

Hours: Monday-Friday, 8 am-5 pm

Tax Exemptions in Cass County

Homestead Property Tax Credit

Up to $1,600 credit

Credit for homeowners 65+ or permanently/totally disabled

Eligibility: Must be 65+ or permanently disabled, own and live in the home as primary residenceDeadline: Must apply yearly, contact office for deadline

Primary Residence Credit

Up to $1,600 credit against property tax

State property tax credit for all North Dakota homeowners

Eligibility: Must own and reside in home as primary residenceDeadline: Annual application required

Farm Residence Exemption

Full exemption on qualifying farm residence

Exemption for qualifying farm residences

Eligibility: Must live on 10+ acres of agricultural land, derive 66% of income from farmingDeadline: Contact assessor's office

Two-Year New Home Exemption

Up to $150,000 of value exempt for 2 years

Partial exemption for new construction

Eligibility: New single-family homes, condos, and townhomes (only in participating jurisdictions)Deadline: Must apply when construction is completed

Disabled Veteran Exemption

Varies based on disability percentage

Credit based on percentage of service-connected disability

Eligibility: Veterans with service-connected disabilitiesDeadline: Contact assessor's office with DD-214

Official Resources

Cass County Assessor's Office →

Official county assessor website providing property assessment information and services for Cass County.

North Dakota State Tax Department Property Tax →

State tax department's property tax information including assessment standards and taxpayer resources.

Cass County Property Search →

Online property search portal for looking up property information and assessment details in Cass County.

Check Your Cass County Assessment

Enter your address to see if your Cass County property is overassessed.

✓ All 50 states✓ Instant results✓ $49 flat fee

Frequently Asked Questions

What is the deadline to appeal my property tax assessment in Cass County for 2026?

There are multiple appeal deadlines in Cass County. The City Board of Equalization meets within the first 15 days of April, and the County Board meets within the first 10 days of June. If you miss these deadlines, you can file an abatement until November 1, 2027 for your 2026 taxes.

How do I start a property tax appeal in Cass County?

The first step is to call the Cass County Tax Equalization Office at(701) 241-5616. They will work with you informally to address your concerns. If unresolved, you can proceed to formal appeal through the boards of equalization.

What is the Primary Residence Credit worth in Cass County?

The Primary Residence Credit provides up to $1,600 off your property tax bill. All North Dakota homeowners who own and live in their home as a primary residence can apply annually through the State Tax Commissioner's office.

Can I appeal my Cass County property taxes online?

While you can view property information online at https://proptax.casscountynd.gov, appeals must be initiated by calling(701) 241-5616 or appearing in person at board meetings. Abatements must be mailed in duplicate and cannot be filed electronically.

What happens at a County Board of Equalization hearing in Cass County?

You can present evidence either in person or in writing to support your claim that your property is overassessed. Bring comparable sales data, photos, appraisals, or repair estimates. The board will review your evidence and make a determination.

How is my Cass County property assessment calculated?

Your property's market value is determined by the assessor. The assessed value is 50% of market value. For residential property, taxable value is 9% of assessed value, making it 4.5% of market value. This taxable value is multiplied by the mill levy to calculate your tax.

What property tax exemptions are available in Cass County?

Cass County offers several exemptions including the Homestead Credit (up to $1,600 for seniors/disabled), Primary Residence Credit (up to $1,600 for all homeowners), new home exemptions (up to $150,000 for 2 years in participating areas), and farm residence exemptions.

For state-wide appeal information including North Dakota's assessment ratio and deadlines, see our North Dakota Property Tax Appeal Guide →

Considering professional help with your appeal? Compare pricing, coverage, and pros/cons in our Best Property Tax Appeal Services (2026) or browse side-by-side service comparisons →

← All North Dakota property tax appeal info

Sources: https://cass.northdakotaassessors.com/ | https://www.casscountynd.gov/our-county/assessor | https://smartasset.com/taxes/north-dakota-property-tax-calculator | https://www.ownwell.com/trends/north-dakota/cass-county

Last verified: 2026-02-09