Kansas City's Premier Garage Conversion Experts














Kansas City's Premier Garage Conversion Experts
Transform your underutilized garage into valuable living space. From ADUs to home offices, we create beautiful, climate-controlled spaces that add function and value to your home with 15+ years of Kansas City expertise.














Trusted & Certified
Licensed, insured, and backed by industry-leading certifications


















Complete Garage Conversion Services in Kansas City
Transform your garage into functional living space that meets your family's needs. From ADUs to home offices, we handle every aspect of your garage conversion with expert craftsmanship and attention to detail.
HVAC Extension
Essential climate control for garage conversions. AC and furnace extension, ductwork, insulation for year-round comfort.
- AC Installation
- Heating Extension
- Ductwork Design
- Energy Efficiency
Garage Finishing Services
Complete garage finishing including drywall, painting, concrete sealing, and insulation for comfortable living spaces.
- Drywall Installation
- Professional Painting
- Concrete Sealing
- Insulation
ADU/In-Law Suite
Create a complete accessory dwelling unit with bedroom, bathroom, and kitchenette. Perfect for aging parents or rental income. Coming soon!
- Full Bathroom
- Kitchenette
- Private Entrance
- Separate Utilities
Home Office
Convert your garage into a quiet, professional workspace. Ideal for remote work with proper insulation and climate control. Coming soon!
- Climate Control
- Sound Insulation
- Built-In Storage
- High-Speed Internet
Studio/Workshop
Transform your garage into an art studio, woodworking shop, or creative space with proper ventilation and lighting. Coming soon!
- Task Lighting
- Ventilation System
- Storage Solutions
- Durable Flooring
Home Gym
Create your personal fitness center with rubber flooring, mirrors, and climate control for year-round workouts. Coming soon!
- Rubber Flooring
- Wall Mirrors
- Climate Control
- Equipment Storage
Entertainment Room
Design the ultimate game room or home theater with sound insulation, proper lighting, and comfortable climate. Coming soon!
- Sound Insulation
- Theater Lighting
- Climate Control
- Built-In Bar
Guest Suite
Convert your garage into a comfortable guest room with bathroom, providing privacy for visitors while adding home value. Coming soon!
- Private Bathroom
- Closet Space
- Climate Control
- Separate Entry
HVAC Extension
Essential climate control for garage conversions. AC and furnace extension, ductwork, insulation for year-round comfort.
- AC Installation
- Heating Extension
- Ductwork Design
- Energy Efficiency
Garage Finishing Services
Complete garage finishing including drywall, painting, concrete sealing, and insulation for comfortable living spaces.
- Drywall Installation
- Professional Painting
- Concrete Sealing
- Insulation
ADU/In-Law Suite
Create a complete accessory dwelling unit with bedroom, bathroom, and kitchenette. Perfect for aging parents or rental income. Coming soon!
- Full Bathroom
- Kitchenette
- Private Entrance
- Separate Utilities
Home Office
Convert your garage into a quiet, professional workspace. Ideal for remote work with proper insulation and climate control. Coming soon!
- Climate Control
- Sound Insulation
- Built-In Storage
- High-Speed Internet
Studio/Workshop
Transform your garage into an art studio, woodworking shop, or creative space with proper ventilation and lighting. Coming soon!
- Task Lighting
- Ventilation System
- Storage Solutions
- Durable Flooring
Home Gym
Create your personal fitness center with rubber flooring, mirrors, and climate control for year-round workouts. Coming soon!
- Rubber Flooring
- Wall Mirrors
- Climate Control
- Equipment Storage
Entertainment Room
Design the ultimate game room or home theater with sound insulation, proper lighting, and comfortable climate. Coming soon!
- Sound Insulation
- Theater Lighting
- Climate Control
- Built-In Bar
Guest Suite
Convert your garage into a comfortable guest room with bathroom, providing privacy for visitors while adding home value. Coming soon!
- Private Bathroom
- Closet Space
- Climate Control
- Separate Entry
Planning Your Garage Conversion in Kansas City
Converting your garage into living space is one of the smartest ways to add square footage without the expense of a full addition. Whether you need a home office for remote work, an ADU for rental income, or extra living space for a growing family, garage conversions offer incredible potential for Kansas City homeowners.
"Garages are some of the most underutilized spaces in Kansas City homes. When we convert a garage, we're not just adding square footage - we're creating opportunities. Whether it's rental income from an ADU, a dedicated workspace for your business, or a place for aging parents to live independently, garage conversions can be life-changing for families."
As the best garage conversion contractor in Kansas City with hundreds of 5-star reviews, our 4th generation family business with over 30 employees has been transforming garages for decades. We understand the unique challenges of Kansas City's climate and building codes, ensuring your conversion is comfortable, legal, and built to last.
Proper planning is essential for successful garage conversions. We'll assess your garage's structure, plan for insulation and climate control, and ensure all work meets local building codes. From basic finishing to full ADU development, we handle every aspect of your conversion project.
Structural & Climate Control Requirements
Garage conversions require significant upgrades to meet residential standards. The concrete floor must be insulated or raised to match your home's level. Walls need proper insulation and moisture barriers. The garage door opening requires framing for windows or doors.
Climate control is crucial for Kansas City's hot summers and cold winters. We'll extend your HVAC system or install a mini-split system for independent temperature control. Proper insulation in walls, ceiling, and floor ensures energy efficiency and comfort.
Electrical upgrades include adding outlets, lighting, and potentially a sub-panel for adequate power. For ADUs or guest suites, we'll run plumbing for bathrooms and kitchenettes, ensuring proper drainage and water supply.

Professional garage conversion with proper insulation and modern finishes
ADU Development & Rental Income Potential
Accessory Dwelling Units (ADUs) are increasingly popular in Kansas City as they provide rental income or multi-generational living options. A well-designed garage ADU can rent for $800-1,500 per month, helping offset your mortgage or providing retirement income.
Kansas City allows ADUs in many neighborhoods, though regulations vary. We'll help navigate zoning requirements, ensure proper permits, and design a space that maximizes rental appeal while maintaining your property's character.
Key features for successful ADUs include private entrances, full bathrooms, efficient kitchenettes, and separate utilities. We'll create a space that feels like a complete home while respecting your privacy and property boundaries.
Frequently Asked Questions
Ready to Convert Your Garage?
Let's discuss your garage conversion project and create a plan that maximizes your space and investment.
Why Kansas City Homeowners Trust Coulston Construction
Code Compliance
Expert knowledge of Kansas City building codes and ADU regulations for smooth approvals
Fast Completion
Efficient project management gets you into your new space quickly with minimal disruption
Quality Conversion
Premium materials and expert craftsmanship create spaces that feel like original construction
ROI Focus
Strategic design maximizes your return through increased home value or rental income
What Kansas City Homeowners Say About Our Garage Conversions
Read real reviews from satisfied customers who transformed their garages into valuable living spaces. Every conversion showcases our commitment to quality and functionality.
David Chilson
Kansas City Area
"I loved their professionalism"
Jennifer Martinez
Shawnee, KS
"Converted our 2-car garage into a beautiful mother-in-law suite. Bob handled all the permits and zoning requirements. The rental income now covers half our mortgage! Amazing transformation."
Tom & Lisa Anderson
Independence, MO
"With both of us working from home, we desperately needed office space. Coulston Construction created two separate work areas in our garage with excellent soundproofing. No more kitchen table meetings!"
Marcus Chen
Leawood, KS
"Transformed our unused garage into my dream art studio. Great natural light, climate control, and ventilation for painting. Bob's team even added a utility sink and storage. Couldn't be happier!"
Sandra Williams
North Kansas City, MO
"Our garage is now a beautiful guest suite with its own bathroom. Family visits are so much more comfortable. The insulation work was excellent - you'd never know it was once a garage!"
Robert & Amy Foster
Olathe, KS
"Bob created an amazing game room and home theater in our garage. The soundproofing is perfect - kids can be loud without disturbing the house. Climate control keeps it comfortable year-round."
Join Our Happy Garage Conversion Customers
We respond to estimate requests within 24 hours. Discover how a garage conversion can add value and functionality to your home!
Areas We Serve
Proudly serving the Kansas City metropolitan area with professional construction and remodeling services. No project too big or small!
Don't See Your City?
We serve the entire Kansas City metropolitan area and surrounding communities. If you don't see your city listed, give us a call - we likely serve your area!
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Ready to Transform Your Home?
We respond to estimate requests within 24 hours, and our estimates are also completely free!