Kansas City's Premier Basement Finishing Experts














Kansas City's Premier Basement Finishing Experts
Transform your unfinished basement into valuable living space. From entertainment rooms to home offices, we create beautiful, functional basements that add comfort and value to your home with 15+ years of Kansas City expertise.














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


















Complete Basement Finishing Services in Kansas City
Transform your unfinished basement into beautiful, functional living space. From entertainment rooms to home offices, we handle every aspect of your basement finishing project with quality craftsmanship and attention to detail.
Home Theater Installation
Create the ultimate entertainment space with professional home theater installation, soundproofing, and AV integration for cinematic experiences.
- Theater Room Design
- Soundproofing
- AV Integration
- Luxury Seating
Golf Simulator Room
Transform your basement into an indoor golf paradise with professional simulator installation, launch monitors, and putting greens.
- Launch Monitor Setup
- Impact Screen Installation
- Putting Green
- Climate Control
Home Office Space
Design a quiet, productive workspace away from main living areas. Perfect for remote work with proper lighting and built-in storage. Coming soon!
- Built-In Desks
- Storage Solutions
- Proper Lighting
- Network Wiring
Guest Suite
Add a complete guest suite with bedroom, bathroom, and sitting area. Increase home value while providing privacy for visitors. Coming soon!
- Bedroom & Bath
- Egress Windows
- Walk-In Closet
- Private Entry
Kids Play Area
Create a safe, fun space for children to play and learn. Durable materials and smart storage keep toys organized and accessible. Coming soon!
- Safe Flooring
- Built-In Storage
- Activity Zones
- Easy-Clean Surfaces
Home Gym Installation
Build your personal fitness center with proper flooring, mirrors, and ventilation. Save on gym memberships while working out at home.
- Rubber Flooring
- Wall Mirrors
- Equipment Storage
- Proper Ventilation
Basement Soundproofing
Professional noise control and acoustic treatment for peaceful basement spaces. Sound isolation, acoustic panels, and vibration control.
- Sound Isolation
- Acoustic Panels
- Vibration Control
- Noise Reduction
Basement Bathroom
Add a full or half bathroom to your basement. We handle all plumbing, including sewage ejection systems if needed. Coming soon!
- Full or Half Bath
- Sewage Ejection
- Waterproofing
- Ventilation Fan
Home Theater Installation
Create the ultimate entertainment space with professional home theater installation, soundproofing, and AV integration for cinematic experiences.
- Theater Room Design
- Soundproofing
- AV Integration
- Luxury Seating
Golf Simulator Room
Transform your basement into an indoor golf paradise with professional simulator installation, launch monitors, and putting greens.
- Launch Monitor Setup
- Impact Screen Installation
- Putting Green
- Climate Control
Home Office Space
Design a quiet, productive workspace away from main living areas. Perfect for remote work with proper lighting and built-in storage. Coming soon!
- Built-In Desks
- Storage Solutions
- Proper Lighting
- Network Wiring
Guest Suite
Add a complete guest suite with bedroom, bathroom, and sitting area. Increase home value while providing privacy for visitors. Coming soon!
- Bedroom & Bath
- Egress Windows
- Walk-In Closet
- Private Entry
Kids Play Area
Create a safe, fun space for children to play and learn. Durable materials and smart storage keep toys organized and accessible. Coming soon!
- Safe Flooring
- Built-In Storage
- Activity Zones
- Easy-Clean Surfaces
Home Gym Installation
Build your personal fitness center with proper flooring, mirrors, and ventilation. Save on gym memberships while working out at home.
- Rubber Flooring
- Wall Mirrors
- Equipment Storage
- Proper Ventilation
Basement Soundproofing
Professional noise control and acoustic treatment for peaceful basement spaces. Sound isolation, acoustic panels, and vibration control.
- Sound Isolation
- Acoustic Panels
- Vibration Control
- Noise Reduction
Basement Bathroom
Add a full or half bathroom to your basement. We handle all plumbing, including sewage ejection systems if needed. Coming soon!
- Full or Half Bath
- Sewage Ejection
- Waterproofing
- Ventilation Fan
Planning Your Basement Finishing Project
A finished basement can add significant living space and value to your Kansas City home. Whether you need extra room for a growing family, want a dedicated entertainment space, or desire a quiet home office, basement finishing offers endless possibilities for expanding your living area without the cost of a full addition.
"Basements are like hidden treasure in Kansas City homes - all that square footage just waiting to become something amazing. When we finish a basement, we're not just adding rooms, we're creating spaces where families can spread out, kids can play safely, and homeowners can finally have that workshop or theater they've always dreamed of."
As the best basement finishing contractor in Kansas City with hundreds of 5-star reviews, our 4th generation family business with over 30 employees has been transforming basements for decades. We understand Kansas City's unique basement challenges and have perfected our moisture control and finishing techniques to create comfortable, dry living spaces that last.
Before starting any project, we thoroughly assess your basement's condition, determine your needs, and plan for proper moisture control and insulation. Kansas City basements face unique challenges with our clay soil and seasonal moisture, which we address upfront with proven waterproofing solutions.
Moisture Control & Waterproofing
Moisture is the enemy of finished basements. Before any finishing work begins, we thoroughly inspect for water intrusion, test humidity levels, and identify potential problem areas. This includes checking foundation walls, floor joints, and window wells.
Our waterproofing approach includes sealing foundation cracks, installing proper drainage, applying waterproof coatings, and using moisture-resistant materials. We install vapor barriers behind walls and under flooring to prevent moisture migration.
Proper ventilation and dehumidification are also crucial. We ensure your HVAC system adequately conditions the basement space and may recommend a dedicated dehumidifier for optimal moisture control, especially during Kansas City's humid summers.

Professional basement finishing with proper moisture control and quality finishes
Building Codes & Safety Requirements
Kansas City building codes have specific requirements for finished basements. Ceiling height must be at least 7 feet in most areas. Bedrooms require egress windows large enough for emergency escape. We ensure every aspect of your basement meets or exceeds these safety standards.
Electrical work must include GFCI protection in certain areas and adequate outlets for your intended use. We install proper smoke and carbon monoxide detectors, ensure adequate emergency lighting, and create clear paths to exits.
If adding a bathroom, we handle the complexities of below-grade plumbing, including sewage ejection systems when needed. All work is properly permitted and inspected to ensure safety and protect your investment.
Frequently Asked Questions
Ready to Transform Your Basement?
Let's discuss your basement finishing project and create a plan that maximizes your space and budget.
Why Kansas City Homeowners Trust Coulston Construction
Moisture Experts
15+ years handling Kansas City's unique basement challenges with proven waterproofing solutions
On-Time Delivery
Detailed scheduling keeps your basement project on track and minimizes disruption to your home
Quality Materials
Moisture-resistant materials and proper insulation ensure your basement stays comfortable
Fair Pricing
Transparent quotes with financing options to make your basement finishing affordable
What Kansas City Homeowners Say About Our Basement Finishing
Read real reviews from satisfied customers who transformed their basements with Coulston Construction. Every project showcases our commitment to quality and moisture control.
Teresa Haley
Kansas City Area
"Awesome job! Reasonable rates! Very experienced! Excellent clean up once work is completed. Very good with follow up."
Mark Stevens
Lee's Summit, MO
"Transformed our dark, unused basement into an amazing entertainment space. The wet bar and home theater setup exceeded our expectations. Bob handled all the waterproofing concerns we had. Fantastic work!"
Linda Rodriguez
Overland Park, KS
"With remote work becoming permanent, we needed a proper home office. Coulston Construction created a beautiful, quiet workspace in our basement with built-in shelving and perfect lighting. Couldn't be happier!"
James & Patricia Wilson
Blue Springs, MO
"Bob and his team finished our entire 1,500 sq ft basement - bedroom, bathroom, family room, and storage. They handled the egress window installation perfectly. The moisture control system gives us peace of mind."
Robert Chen
Prairie Village, KS
"Created a complete mother-in-law suite in our basement. The team was incredibly professional, kept the work area clean, and finished on schedule. The quality of work is outstanding - you'd never know it's a basement!"
Ashley Thompson
Liberty, MO
"Our basement is now the kids' favorite place! Great play area with tons of built-in storage. Bob suggested rubber flooring that's been perfect. They even added a half bath. Highly recommend!"
Join Our Happy Basement Finishing Customers
We respond to estimate requests within 24 hours. Get your free consultation and discover how we can transform your basement into valuable living space!
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!
🏛️Missouri
🌾Kansas
Ready to Transform Your Home?
We respond to estimate requests within 24 hours, and our estimates are also completely free!