Home Renovation & Additions
Affordable Home Renovations and Additions Service in Greenwich, CT
Do you want to build a second story or revamp your interior? Tarzia Group has got you covered. We provide affordable home renovation and addition in Greenwich, CT. We take pride in smooth basement conversions, garage renovations, and room additions. Since 1988, we have been serving the people of Connecticut with reliable and quality home addition construction services.
Our team of professionals makes careful calculations to design a layout that complements your current home style. We have also won multiple green certifications for energy-efficient home renovations and additions. Our experts keep you updated about every detail to build trust and transparency. Additionally, we expand your kitchen space and replace your windows without leaving any marks behind. Contact us to get custom home additions and renovations from a top-rated builder in Connecticut.
Custom Home Renovation That Fits Your Budget
Our home renovation team understands your vision and concept to create a strategy that meets your budget and home layout. Whether you need to upgrade your wall or door color, we use eco-friendly materials to minimize the risk of VOC emissions. We hold the HOBI award for our custom home renovations in Greenwich. Contact us to get smooth upgrades without any repair marks behind!
Custom Home Additions in Greenwich, CT
Many people ruin their existing home layout in the name of home expansion. The reason? Hiring a company that doesn’t have a proper team of architects, designers, and experts. Whether it’s about adding more floor or expanding your current living room, everything requires strategic planning and precise calculations.
With an A+ rating from BBB and four HOBI awards for unique home structures, we provide seamless home addition construction. Our construction experts analyze your space and do all the calculations to ensure your home expansion doesn’t feel odd. As the green certified home addition contractor in Greenwich, we provide energy-efficient expansions with proper insulation and heat-resistant flooring. Whether you need to expand your kitchen or add sun rooms, our experts handle it all. Contact us today to hire a certified home addition builder in Greenwich.
A Glimpse of Our Recent Work
Our portfolio showcases our smooth home upgrades and expansions. Whether it’s a kitchen expansion, a room addition, or a tile replacement, we make sure everything blends smoothly in your existing layout.

Why Choose Us
Tarzia Group doesn’t just offer ordinary home expansion services in Connecticut. Our lead contractor owns ten licenses and only supports energy-efficient home renovation and addition in Greenwich, CT. We have won HBA, HOBI awards, and Green certifications, which reflect our quality work and strategic approach.
Our experts respect your ideas and guide you about trending home upgrades such as smart technology integration and energy-efficient additions. Here is what differentiates us from traditional companies:
- Bonded and insured contractors
- Have multiple HOBI and HBA awards
- Offers beautiful home upgrades
- Uses top-quality materials
- Utilize eco-friendly building methods to protect the environment
- Provides clear and honest updates
- Handles all the paperwork to ensure compliance with local building regulations
Let’s Build the Space You Need!
A custom home expansion and upgrade adds value to your property. Get precise home upgrades and additions with a certified home builder in Greenwich!
Our process
Our Home Addition and Renovation Process
We don’t start your home addition or renovation without pre-planning. Our experts study your home style to understand what should be done for a smooth home expansion. So, here is our step-by-step guide to upgrading or expanding any home:

What Our Clients Say
Tarzia Group is backed by hundreds of satisfied customers. Their feedback reflects our commitment to quality work and dedication to delivering the best.
Nick Tarzia and The Tarzia Group did an exceptional job with an eye to detail. Nick was always in touch with me during my job. I appreciated having that type of communication with a builder.
Nick Tarzia and The Tarzia Group did an exceptional job with an eye to detail. Nick was always in touch with me during my job. I appreciated having that type of communication with a builder.
Nick Tarzia and The Tarzia Group did an exceptional job with an eye to detail. Nick was always in touch with me during my job. I appreciated having that type of communication with a builder.
Ready to build your dream home in Fairfield County?
Let’s bring your vision to life! Connect with our team and tell us more about your project.