Cash Flow Roi

What expenses should be included in ROI calculations?

Wisconsin rental guidance and tenant-landlord operational information.
Published February 26, 2026 State-specific rental guidance Update This Question
Reviewed by Tenants & Landlords Editorial Team

This rental guidance was reviewed by the Tenants & Landlords Intelligence Team, specializing in lease agreements, notices, rent disputes, deposits, evictions, and tenant-landlord operational procedures.

Asked 96 days ago · Wisconsin

Understanding ROI Calculations for Rental Property Investors in Wisconsin

When evaluating the profitability of rental properties in Wisconsin, calculating a comprehensive Return on Investment (ROI) is essential. ROI helps investors assess the efficiency and potential profitability of their investment by comparing the net returns to the capital invested. However, to obtain an accurate ROI figure, it is crucial to include all relevant expenses associated with owning and operating a rental property within Wisconsin.

This guide outlines the key expenses Wisconsin rental property investors should incorporate into their ROI calculations, ensuring a clear understanding of the cash flow and overall investment performance.

Key Expenses to Include in Wisconsin Rental Property ROI Calculations

1. Mortgage Payments

For most investors, mortgage payments represent the largest recurring expense. When calculating ROI, include the principal and interest portion of your monthly mortgage payments. Be sure to confirm your loan amortization schedule to accurately separate interest (an expense) from principal (a return of capital).

2. Property Taxes

Wisconsin property taxes vary by municipality and can significantly impact expenses. Include your annual property tax assessment divided by 12 to estimate the monthly cost. Consult the Wisconsin Department of Revenue or your county assessor’s office for precise tax obligations.

3. Homeowners Insurance

Insurance costs must be factored in, covering hazard, liability, and, if applicable, flood or other natural disaster insurance. Property insurance in Wisconsin may have specific endorsements due to local weather risks like snow load or flooding.

4. Maintenance and Repairs

Routine maintenance and unexpected repairs are inevitable. Consider budgeting 1% to 3% of the property’s value annually for maintenance. This varies depending on the property’s age, condition, and location within Wisconsin, where seasonal weather may impact the property differently than other regions.

5. Property Management Fees

If you hire a property management company, include their fees — typically ranging from 8% to 12% of monthly rental income. Management companies handle tenant screening, rent collection, maintenance supervision, and legal compliance, which can be particularly beneficial given Wisconsin’s landlord-tenant laws.

6. Utilities

Depending on the lease structure, utilities such as water, sewer, trash, gas, and electricity may be landlord responsibilities. Confirm which utilities you pay and include these expenses proportionally in your calculations.

7. HOA Fees

For properties within homeowner associations, monthly or quarterly HOA fees must be factored into your expenses. Wisconsin HOAs vary widely in fees and services, so ensure you have accurate figures.

8. Vacancy Costs

Vacancies reduce your monthly rental income and impact ROI. Incorporate a vacancy loss factor, typically 5% to 10%, based on the local rental market conditions in Wisconsin communities.

9. Legal and Accounting Fees

Legal fees for lease drafting, eviction proceedings, or legal disputes, as well as accounting fees for tax preparation, should be included, especially since Wisconsin regulations may require specific lease disclosures or tax filings.

10. Advertising and Tenant Placement Costs

These include costs for advertising vacancies, screening tenants, and leasing commissions. Evaluating the local demand and competition in Wisconsin’s rental market can help estimate these expenses.

11. Depreciation (for Tax Purposes)

While depreciation does not affect cash flow directly, it influences your taxable income and should be considered when calculating annual returns on investment from a tax perspective.


Example Calculation Framework

To visualize, here is a simplified monthly cash flow and ROI calculation framework incorporating the expenses discussed:



ItemAmount (Monthly)
Gross Rental Income$1,200
Less: Vacancy Allowance (5%)($60)
Effective Rental Income$1,140
Expenses:
- Mortgage Payment$600
- Property Taxes$150
- Insurance$75
- Maintenance$75
- Property Management$114 (10% of income)
- Utilities (Owner Paid)$50
- HOA Fees$0
- Legal/Accounting$20
Total Monthly Expenses$1,084
Net Operating Income (NOI)$56

Cash-on-Cash ROI = (Annual NOI / Cash Invested) × 100

If your initial cash investment (down payment + closing costs + initial repairs) is $30,000:

Annual NOI = $56 × 12 = $672
Cash-on-Cash ROI = ($672 / $30,000) × 100 = 2.24%

Note: This is a simplified example; your numbers will vary depending on the property specifics and Wisconsin market conditions.


Unique Wisconsin Considerations for Expense Calculations

  • Winter Weather Impact: Wisconsin’s harsh winter months can escalate heating costs, snow removal, and weather-related repairs. Budget accordingly for winter-specific maintenance.
  • Local Property Tax Variances: Wisconsin features complex property tax systems with variances between counties and municipalities. Utilize local resources for the most accurate tax rates.
  • Wisconsin Landlord-Tenant Law: Understanding state-specific legal obligations can reduce unexpected legal fees or compliance costs.

Conclusion

Including all relevant expenses in your ROI calculations is critical for Wisconsin rental property investors to accurately assess property performance. Always incorporate mortgage, taxes, insurance, maintenance, management, vacancies, and other operational costs to understand true profitability. Additionally, keep a close eye on Wisconsin-specific factors to fine-tune your investment analysis, ensuring your rental ventures achieve solid financial results in this state’s dynamic market.

By thoroughly accounting for these expenses, you can make informed, data-driven decisions that optimize your cash flow and maximize your ROI in Wisconsin’s rental property market.

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