Buying Rental Property

What expenses are commonly overlooked when purchasing rentals?

South Dakota rental guidance and tenant-landlord operational information.
Published February 1, 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 122 days ago · South Dakota

Commonly Overlooked Expenses When Buying Rental Property in South Dakota

Investing in rental properties in South Dakota can be a lucrative endeavor, especially given the state’s relatively affordable real estate market and steady demand in key cities like Sioux Falls, Rapid City, and Aberdeen. However, many investors—whether seasoned professionals or first-time buyers—often overlook certain expenses during the acquisition process. These overlooked costs can significantly affect an investor’s cash flow and overall return on investment (ROI).

Understanding these potential hidden expenses is crucial for South Dakota rental property investors to make informed decisions and maintain profitability. Below is a detailed overview of commonly overlooked expenses specific to South Dakota rental investing.


1. Property Inspection and Environmental Testing

While most buyers budget for a general home inspection, they sometimes neglect the full scope of inspections necessary for investment properties in South Dakota:

  • Radon Testing: South Dakota sits in a region where radon gas is a risk factor. Radon is a naturally occurring radioactive gas that can cause health issues. Testing and mitigation systems may be required, which can add to upfront costs.
  • Septic System Inspection: Many rural South Dakota properties rely on septic systems rather than city sewer infrastructure. Septic inspections and potential repairs or replacements can be expensive but are critical to avoid future liability and costly maintenance.
  • Lead-Based Paint and Asbestos Inspections: For older properties, especially those built before 1978 (common in many South Dakota communities), tests for lead paint and asbestos may be warranted. Mitigation or remediation could be required to comply with health and safety regulations.

2. Local Property Taxes and Assessments

South Dakota’s property tax rates vary by county and municipality. Investors often underestimate the full impact of property taxes and special assessments:

  • Mill Levy Variations: South Dakota’s counties use mill levies to determine property taxes based on assessed home value. These rates can fluctuate annually and may include additional levies for schools, road maintenance, or other local needs.
  • Special Assessments: Occasionally, communities in South Dakota impose special assessments for infrastructure projects such as street lighting or sidewalk repairs. These are often billed separately and can be substantial.
  • Reassessment Timing: South Dakota counties periodically reassess property values. A property that seems inexpensive at purchase could face higher taxes when reassessed after renovations or property value appreciation.

3. Insurance Costs Beyond Standard Coverage

Many investors budget for standard property insurance but miss additional policies necessary in South Dakota:

  • Flood Insurance: Although much of South Dakota is not flood-prone, properties near rivers such as the Missouri River or within designated flood plains may require federally-mandated flood insurance.
  • Windstorm or Tornado Coverage: South Dakota’s climate includes severe weather risks, including tornadoes and hailstorms, which can cause significant damage. Standard homeowner policies may not cover all of these risks, necessitating additional windstorm riders or supplemental coverage.
  • Landlord Liability Insurance: Protects landlords from legal liability associated with tenant injuries or property damage. Many novice investors omit this, but it is essential for protecting investment assets.

4. Maintenance and Repairs Unique to South Dakota’s Climate

South Dakota’s climate involves extreme seasonal temperature changes—cold winters, hot summers—with implications for rental property maintenance:

  • Winterization Costs: Preparing properties to withstand harsh winters includes insulating pipes, servicing heating systems, and protecting sprinkler systems. Failure to winterize can lead to frozen pipes and costly water damage.
  • Roofing and Exterior Wear: The freeze-thaw cycle places strain on roofing materials and exterior paint or siding. Regular inspections and maintenance are necessary to prevent costly deterioration.
  • Pest Control: South Dakota’s rural and urban properties face pest challenges including rodents and insects. Seasonal pest control services are often overlooked but necessary to maintain habitability and tenant satisfaction.

5. Utilities and Common Area Expenses in Multi-Unit Properties

For investors purchasing duplexes, triplexes, or larger apartment buildings in South Dakota, allocating utilities and common expenses requires careful consideration:

  • Utility Setup Fees: New accounts for water, electricity, or gas may involve connection or deposit fees that are not always fully accounted for at purchase.
  • Common Area Maintenance (CAM): Investors often forget ongoing maintenance costs such as landscaping, snow removal, parking lot upkeep, and lighting in common areas.
  • Waste Management Fees: Depending on location, some municipalities in South Dakota charge specific fees for garbage and recycling services, which landlords might absorb if not accounted for.

6. Property Management and Legal Compliance Costs

Even if investors initially plan to self-manage, some professional services and legal compliance obligations bring unavoidable costs:

  • Property Management Fees: In markets like Sioux Falls, where rental demand is high, landlords may hire managers to handle tenant relations, rent collection, and maintenance coordination. Typical fees range from 8% to 12% of monthly rent.
  • Lease Preparation and Legal Fees: Drafting leases that comply with South Dakota landlord-tenant laws and handling eviction proceedings come with legal expenses. Legal counsel or document preparation services are often overlooked but essential for risk mitigation.
  • Permitting and Licensing: Some South Dakota municipalities require landlords to obtain rental licenses or permits, which include application fees and periodic renewals.

7. Vacancy and Turnover Costs

Vacancy periods and tenant turnover can significantly affect revenue but are often underestimated:

  • Marketing and Tenant Screening: Advertising the rental and screening applicants incur costs, such as advertisements on local listing platforms or fees for background and credit checks.
  • Unit Repairs and Upgrades Between Tenants: Turnover often necessitates painting, carpet replacement, cleaning, or minor repairs to prepare the unit for new tenants.
  • Utility Expenses During Vacancy: Utilities may remain the landlord’s responsibility during vacancy periods if not separately metered.

Conclusion

For rental property investors in South Dakota, meticulously planning for the full spectrum of expenses beyond the purchase price is vital for sustainable profitability. From environmental testing and insurance nuances to climate-driven maintenance and compliance costs, overlooking these expenses can erode expected returns. By incorporating these South Dakota-specific considerations into your investment analysis, you’ll be better positioned to make sound purchasing decisions and optimize the long-term success of your rental portfolio.


Summary of Overlooked Expenses for South Dakota Rental Buyers:

  • Radon, septic system, and environmental testing
  • Variable local property taxes and special assessments
  • Flood, windstorm, and landlord insurance coverage
  • Climate-related maintenance (winterization, roof, pests)
  • Utilities setup, common area maintenance, and waste fees
  • Property management, legal, and permitting costs
  • Vacancy and tenant turnover expenses
Properly accounting for these items will help South Dakota rental investors avoid unpleasant surprises and strengthen their hold on a profitable rental operation.

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