Expand Your Living Space with Expert Home Additions in the Quad Cities
From room expansions to second stories, Northstar Construction builds custom home additions designed for comfort, style, and long-term value.
At Northstar Construction, we help homeowners make more room for life. Whether you’re adding a new bedroom, extending your kitchen, or building a second story, our experienced team handles every detail — from design to final inspection.
As a licensed and insured local contractor, we’ve built a reputation for honesty, craftsmanship, and reliability across Moline, Rock Island, East Moline, Davenport, Bettendorf, and LeClaire.
Our goal is simple: deliver high-quality home additions that blend seamlessly with your existing home — on time and on budget.
Our Home Addition Services
Room Additions
Add extra bedrooms, offices, or playrooms tailored to your lifestyle.
Kitchen Expansions
Open up your space with a larger, more functional kitchen layout.
Bathroom Additions
Add convenience and comfort with a new or second bathroom.
Second Story Additions
Double your space with expert design and construction.
Garage Additions
Build attached or detached garages that add storage and value.
Sunrooms & Enclosures
Enjoy natural light with beautiful, energy-efficient spaces.
In-Law Suites
Create private living spaces for family or guests with comfort and privacy.
Why Homeowners Choose Northstar Construction
Licensed & Insured Local Builders
Fully compliant and safety-focused.
10+ Years of Construction Experience
Proven results across the Quad Cities.
Custom Design & Seamless Integration
Additions that look like they’ve always been part of your home.
Transparent Pricing
Detailed quotes, no hidden fees.
Quality Materials & Workmanship
Built to last for years to come.
Personalized Project Management
Consistent communication from start to finish.
What Local Clients Say
Get Your Free Estimate Today!
Serving Moline & the Quad Cities
Proudly serving:
- Moline
- Rock Island
- East Moline
- Davenport
- Bettendorf
- LeClaire
📍 241 52nd St, Moline, IL 61265
Ready to Add More Space to Your Home?
Let’s design and build the perfect addition for your family’s needs.
Call now or request your free on-site estimate today!