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Garage Addition Cost Sioux Falls: Average Price Ranges

Updated: April 25, 2025

Thinking about adding a garage? You’re not alone—Sioux Falls homeowners are increasingly turning underused yard space into practical, value-boosting additions. 

Whether it’s for sheltering vehicles from the harsh South Dakota winters or finally claiming that dream workshop, a garage addition can be a game-changer, but how much will it cost, and what should you expect along the way? 

This guide breaks down everything—from construction costs to must-have features—so you can plan smart, spend wisely, and build something you’ll use every day.

Cost of Garage Addition in Sioux Falls

In Sioux Falls, the cost of a garage addition typically ranges from $40 to $100 per square foot, depending on the project’s complexity. On average, homeowners can expect to pay between $25,000 and $60,000. 

A brand-new, detached two-car garage often falls on the higher end, while extending an existing garage or adding a one-car structure may cost significantly less. 

Basic builds with minimal features might start around $20,000 or less, while high-end projects with custom finishes, living space above, or integrated utilities can exceed $70,000. Factors such as site prep, permits, and interior upgrades also impact the final price.

Factors That Contribute to the Cost

Every garage addition in Sioux Falls comes with a unique price tag, shaped by the size, scope, and features involved. From structural requirements to finish choices, understanding the key cost drivers will help you plan and budget more effectively.

Scope of Project

The overall scope—whether you're building from scratch, expanding an existing garage, or adding a second-story living space—significantly impacts cost. 

New detached garages generally cost more than attached ones due to a standalone foundation and utility needs. Multi-use garages or those with custom features add complexity, requiring more materials, planning, and labor.

Preparing the Site

Site prep may involve grading, demolition, debris removal, or creating driveway access—all of which can quickly add to your total. 

Sloped or rocky lots in Sioux Falls require more labor and equipment. Soil stability, drainage adjustments, or tree removal are often hidden expenses that need to be factored in from the start.

Building Materials and Finishes

Material choices have a major influence on price. Budget builds may use standard vinyl siding and asphalt shingles, while higher-end projects might include stonework, custom doors, or metal roofing. 

Interior finishes such as drywall, epoxy flooring, or trim details also raise costs. Choosing locally sourced, durable materials can balance quality and budget.

Permits and Complying With Building Codes

In Sioux Falls, permit costs vary by project type and scope, with most garage additions requiring both a building and electrical permit. 

Compliance with local building codes may necessitate upgrades like fire-rated walls, frost-protected foundations, or setback considerations—especially in tight urban lots—which can increase both planning time and expense.

Labor Costs

Labor expenses include more than building contractor and construction crew fees. You may need an architect or designer, a structural engineer, licensed electricians, plumbers, and HVAC pros. 

Sioux Falls labor rates are moderate compared to larger metros, but demand, project size, and contractor expertise all play a role. Complex or custom work often requires more specialized—and costly—labor.

Custom Features

Features such as heated floors, built-in storage, EV charging stations, or a garage apartment push projects into a higher price tier. 

While these additions add significant functionality and value, they require extra permits, specialized contractors, and often custom materials. Prioritizing must-haves vs. nice-to-haves can help keep your budget in check.

Common Garage Additions

Garage additions come in many forms, each tailored to meet different space, storage, and lifestyle needs. Here are some of the most common options homeowners in Sioux Falls choose:

  • New Attached Garage – Offers seamless access to your home and is often more cost-effective to build.
  • New Detached Garage – Ideal for properties with space to spare or when noise separation is preferred.
  • Garage Expansion – Adds square footage to an existing structure for extra storage or a second vehicle.
  • Second-Story Living Space – Creates a guest suite, office, or rental unit above the garage.
  • Garage Conversion – Transforms an existing garage into a livable space, such as a bedroom, gym, or studio, and adds more square footage to the home.

Tips for Minimizing the Cost of a Garage Addition

A garage addition doesn’t have to break the bank. With thoughtful planning and smart decisions, you can stretch your budget without cutting corners. Here are some cost-saving strategies:

  • Choose a Simple Design – Skip complex rooflines or layouts that require custom framing or engineering.
  • Build During Off-Peak Seasons – Contractors may offer better pricing in early spring or late fall.
  • Use Prefabricated Components – Pre-made trusses, doors, or wall panels can reduce labor time and material waste.
  • Plan Utility Placement Wisely – Position your garage near existing electrical and plumbing lines to minimize rerouting.
  • Request Itemized Bids – Comparing detailed quotes helps you identify overpriced elements or unnecessary upsells.
  • Reuse or Repurpose Materials – Salvaged doors, windows, or cabinets can cut down on finishing costs.

Increase Your Home’s Value With a Garage Addition

A well-planned garage addition does more than offer protection for vehicles—it boosts curb appeal, expands storage, and increases livable space. 

In Sioux Falls, buyers are drawn to homes with functional, finished garages, making your investment a smart move for long-term value. 

Whether you’re expanding for convenience or enhancing resale potential, a garage addition can transform how you use your home—and how others see it.

Frequently Asked Questions

How much does it cost to build a 24x24 garage?

In Sioux Falls, building a 24x24 garage typically costs between $30,000 and $55,000, depending on whether it's attached or detached, the materials used, and the features included, such as insulation, electricity, and interior finishes.

Can you add an enclosed lean-to off a garage?

Yes, adding an enclosed lean-to to an existing garage is possible and is often considered for extra storage or a workshop. Costs vary based on size, materials, and whether utilities are added, but many projects fall in the $5,000 to $15,000 range in Sioux Falls.

Does a garage count as square footage?

Generally, a garage does not count toward a home’s finished square footage unless it’s converted into livable space with proper insulation, heating, and drywall. However, it does contribute to the property’s overall value and functionality.

Is adding a garage tax deductible?

Garage additions typically aren't tax-deductible unless the space is used exclusively for business purposes. Consult a tax professional to determine if part of the cost can be claimed under a home office or business use deduction.

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