Home Additions
Home Additions & Custom Add-Ons
Whether you need an extra bedroom, a sunlit family room, or a full second-story addition, ZTW Construction delivers thoughtfully designed, expertly built spaces that feel like they were always part of your home.
What We Offer
Built to Grow With Your Family
Your home should evolve as your life does. ZTW Construction specializes in seamlessly integrating new living spaces into your existing structure — matching materials, rooflines, and character so the addition looks like it was always there.
From initial design consultation through final inspection, we handle every detail with the same care and precision that has made us a trusted name in residential construction for over two decades.
Seamless Integration
We match your existing materials, trim, and architectural details so new additions blend perfectly with your home's character.
Full-Service Management
Permits, engineering, subcontractors, and inspections — we manage the entire process so you don't have to coordinate a thing.
Transparent Pricing
Detailed written estimates with no hidden fees. You'll know exactly what you're getting before a single nail is driven.
Every Type of Addition, Expertly Executed
From modest room additions to full second-story expansions, ZTW Construction has the experience and craftsmanship to bring your vision to life.
Room Additions
Add a bedroom, home office, playroom, or flex space without sacrificing your yard. We design additions that maximize usable square footage and natural light.
- Master bedrooms & guest suites
- Home offices & study rooms
- Playrooms & hobby spaces
Family & Great Rooms
Open-concept living spaces designed for how modern families actually live — gathering, entertaining, and relaxing together under one beautifully crafted roof.
- Open-concept great rooms
- Entertainment & media rooms
- Formal living & dining extensions
Second Story Additions
Double your living space without touching your yard. Our structural expertise ensures your second-story addition is safe, code-compliant, and architecturally cohesive.
- Full second-story builds
- Partial upper-level additions
- Structural reinforcement & design
Sunrooms & Screened Porches
Bring the outdoors in with a beautifully crafted sunroom or screened porch. Perfect for morning coffee, evening entertaining, or year-round relaxation.
- Three-season & four-season sunrooms
- Screened & enclosed porches
- Covered outdoor living areas
Garage Conversions & ADUs
Transform underutilized space into a fully functional living area, in-law suite, or income-generating accessory dwelling unit — all to code and beautifully finished.
- Garage-to-living conversions
- Accessory dwelling units (ADUs)
- In-law suites & guest quarters
Mudrooms, Laundry & Utility
Practical additions that make daily life more organized and enjoyable. Custom built-ins, smart storage, and durable finishes designed for how you actually use your home.
- Custom mudroom additions
- Dedicated laundry rooms
- Pantry & storage expansions
Our Addition Process, Step by Step
We've refined our process over 20+ years to eliminate surprises and keep you informed at every stage of your addition project.
Discovery Call
We listen to your goals, walk through your space, and discuss what's possible within your timeline and budget.
Design & Planning
We develop detailed plans, handle permit applications, and coordinate engineering so the project starts on solid footing.
Written Estimate
You receive a clear, itemized proposal with no hidden costs. We review every line item together before any work begins.
Expert Construction
Our skilled crew builds with precision and respect for your home and daily routine. Regular updates keep you in the loop.
Final Walkthrough
We walk every inch of the finished addition with you, address any final details, and hand over a space you'll love for decades.