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Garage Additions in the Twin Cities South Metro

Whether you need more room for vehicles, hobbies, or storage—or you’re ready to create a finished bonus space above—BN Builders designs and builds garage additions that expand your home’s functionality and value. From attached and detached garages to second-story additions, we bring craftsmanship, efficiency, and lasting quality to every project.

Two-stall attached garage with carriage doors by BN Builders
Attached · detached · above-garage
Types of Garage Additions We Build

Types of Garage Additions We Build

Every homeowner’s needs are different, which is why our team tailors each design to your property, budget, and long-term goals. We commonly build:

  • Attached GaragesSeamlessly extend your existing home with additional parking or storage space while maintaining architectural harmony.
  • Detached GaragesCreate a stand-alone garage for vehicles, a workshop, or extra storage—ideal for properties with room to expand.
  • Garage ExpansionsAdd an extra stall, widen your current structure, or deepen the space for trucks, boats, or recreational vehicles.
  • Above-Garage AdditionsMaximize square footage with a finished bonus room, office, guest suite, or private retreat built above your garage.
  • Custom Garage DesignsFrom heated floors and built-in storage to full living quarters, our team brings your vision to life with precision.
Garage types
Attached, detached, above-garage
Service area
Twin Cities South Metro
License
#BC629559
Our Garage Addition Process

Our Garage Addition Process

At BN Builders, our process is transparent and detail-driven—because every great build starts with a solid plan.

01

Consultation & Planning

We start by learning about your goals, home layout, and city or HOA requirements.

Consultation & Planning - garage addition by BN Builders
02

Design & Drafting

We work with trusted local design professionals under a signed design contract to develop detailed plans that fit your needs and budget.

Design & Drafting - garage addition by BN Builders
03

Permitting & Preparation

Our team handles the necessary permits and coordinates logistics to ensure your project runs smoothly from the start.

Permitting & Preparation - garage addition by BN Builders
04

Construction & Completion

From foundation to finish, we deliver quality workmanship, clear communication, and minimal disruption to your daily life.

Construction & Completion - garage addition by BN Builders
Carport converted to an enclosed garage in Eagan, MN by BN Builders
Why Homeowners Choose BN Builders

Why Homeowners Choose BN Builders

Homeowners across the Twin Cities South Metro —including Lakeville, Prior Lake, Apple Valley, Farmington, Chaska, Inver Grove Heights, and Northfield —trust BN Builders for our reputation, craftsmanship, and commitment to doing things right.

  • Licensed and insured Minnesota contractor (BC629559)
  • Decades of combined experience in additions and remodels
  • High-quality materials and construction standards
  • Clear communication and project transparency
  • Locally owned and operated—your neighborhood builder
Popular Garage Addition Ideas

Popular Garage Addition Ideas

Not sure where to start? Here are some of the most requested garage addition ideas homeowners in the Twin Cities South Metro choose when working with BN Builders:

  • Heated or Insulated GarageEnjoy year-round comfort and protect vehicles or tools from Minnesota’s harsh winters.
  • Workshop or Hobby SpaceCreate a dedicated area for woodworking, car projects, or storage without sacrificing parking.
  • Garage with Loft or Bonus RoomAdd valuable square footage above your garage for a private office, home gym, or guest suite.
  • Three-Stall Garage AdditionExpand your existing garage for extra parking, boats, or recreational vehicles.
  • Detached Garage with ApartmentCombine functionality and flexibility with a separate living space, perfect for guests or future rental income.
  • Storage-Focused DesignAdd built-in shelving, overhead racks, or attic trusses to keep your home organized.
  • Architectural MatchExtend your home’s exterior materials, roofline, and finishes so your new addition blends seamlessly.
Garage Addition Investment

Garage Addition Investment

Homeowners exploring a garage addition often ask, “How much does it cost to add a garage to a home?” Because every garage project is custom — whether attached or detached — the investment depends on structural requirements, size, functionality, and finish selections. Understanding the main cost drivers helps you plan with confidence.

Before and after a garage upgrade in Eagan, MN by BN Builders

Garage addition costs are typically influenced by:

  • Size and configuration — single-car, multi-car, or expanded storage layouts affect materials and labor
  • Foundation and structural integration — proper engineering ensures stability and code compliance
  • Electrical and mechanical features — lighting, outlets, heating, or workshop upgrades increase usability
  • Exterior and interior finishes — siding, roofing, doors, and interior options help the garage blend seamlessly with the home

A professionally designed garage addition improves convenience, storage, and daily functionality while maintaining architectural consistency. During your consultation, we review your goals, site conditions, and budget expectations so you understand what’s realistic before construction begins.

Well-planned garage additions enhance how a home functions while supporting long-term property value.

Frequently Asked Questions

Garage Addition FAQ

The cost of a garage addition depends on size, foundation work, electrical needs, door systems, and whether the garage is attached or detached. Features like insulation, storage space, or finished interiors also affect pricing. A site evaluation helps determine accurate project costs.

Most homes can accommodate a garage addition, but zoning setbacks, lot space, and structural tie-ins must be reviewed first. A contractor evaluates layout, permitting requirements, and design options to ensure the addition integrates safely and legally with the home.

Yes. Garage additions involve structural construction, electrical work, and foundation requirements that must meet local building codes. Permits ensure safety, compliance, and long-term durability.

Often, yes. It depends on the current structure and whether the garage can support an additional load. Our team evaluates your framing, foundation, and layout to determine the best path forward—or whether a new build makes more sense.

An attached garage connects to your home and typically shares utilities, while a detached garage stands alone and offers more flexibility for workshops, hobby spaces, or future accessory dwelling units (ADUs). We build both and help you decide which fits your property and long-term goals.

Garage additions typically take several weeks to a few months depending on size, weather conditions, permitting timelines, and customization. Proper planning helps minimize delays.

Absolutely. We align rooflines, siding, windows, shingles, and trim so your garage looks like it was always part of your home—not an afterthought.

A well-designed garage addition improves functionality, storage, and curb appeal. Many homeowners see added resale appeal because garages are a highly desirable feature.

About BN Builders

About BN Builders

BN Builders is more than just a construction company; we’re creators of exceptional living spaces. Our passion for crafting homes that blend beauty and functionality sets us apart in the industry.

New detached garage in Saint Paul, MN by BN Builders
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