Home Renovation & Additions
Best Home Renovation and Addition in Darien, CT
Looking for reliable experts to expand your home area or fix your floor tiles? Tarzia Group offers affordable home renovation and addition. Whether you need a second story, a basement conversion, or a wall upgrade, we handle it all. With four HOBI and HBA awards, we are the top-rated home addition builder in Darien.
Our experts visit your site and do all the calculations to ensure that any odd addition or upgrade won’t ruin your existing layout. With an A+ rating from BBB and three green certifications. As the best home addition contractor in Darien, we aim to build a home that not only looks modern but also increases your property’s value.
Contact us to get luxury home renovation services!
Complete Home Renovation Services in CT
Is your wall paint peeling or your floor tiles cracked? We offer custom home renovation in Darien that meets your needs. Whether you need light fixtures, a countertop upgrade, or a replacement of damaged tiles, we do all the work. Our expert team analyzes your space before starting construction to ensure effective results.
We have four HOBI and HBA awards for our distinctive structures and strategic planning. Our experts suggest heat-resistant flooring materials, insulation, framed windows, water-saving faucets, and a heated towel rack to reduce your electricity consumption by 35%. Being EPA certified, we use eco-friendly paints with low-VOC impact. We not only renovate your home but also make it worth living in. Contact us to get eco-friendly home renovations!
Custom Home Additions that Fit Your Budget
Tarzia Group is a certified and licensed home builder in Fairfield County. We offer custom home expansion services to meet your unique needs. Whether you need a room over the garage, a second story, a basement conversion, or a kitchen expansion, our experts offer it all at affordable rates.
Our designer creates a 3D model after having a proper discussion with you. You can ask for changes in the layout or structure according to your demand. We update you at every step for clear cost estimation. Our experts opt for energy-efficient solutions and eco-friendly materials that save money in the long run. Contact us today to get home addition construction services in Connecticut.
Projects Gallery
Our Portfolio That Proves Our Hard Work
Our portfolio is evidence of our unmatched home expansion and upgrades in Connecticut. We add a modern touch and energy-saving features all at once.

Why Choose Us
We are a certified and insured builder with a professional leader who owns eight working licenses. With multiple HOBI awards and green certifications, we stand as the top-rated service providers in Fairfield County. Our experts visit your site, do all the calculations, and design a 3D model to build the best structures.
We also guide you about trending upgrades like heated towel racks and energy-efficient HVAC systems that cut down on bills but also add value to your property. Here are the top reasons why Connecticut people rely on us:
- Licensed and bonded contractors
- Transparent pricing with no hidden surprises
- Energy-efficient upgrades and expansion
- A+ rating from Better Business Bureau
- Timely delivery and professional project management
- Smooth additions that fit your home’s style
GET IN TOUCH
Hire an Award-Winning Home Builder Today!
With the “Best Green Energy-Efficient Home” HOBI award 2018, we are the best builders to rely on. We provide complete custom home renovation and addition services in Darien, CT. Contact us now to expand or upgrade your home!
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:

Initial Consultation
We start the process by understanding your requirements and layout needs. Our team notes down every detail and also guides you about what will suit your home best.
Designing and Planning
After the consultation, our professional designers and architects design the layout according to your requirements.
Permit Approval
You don’t have to stand in line for just a permit because our team handles the entire approval process.
Construction Phase
Once you approve the design, we start with construction work. Our experts keep you updated about every progress, so you can keep an eye on everything.
Final Inspection & Handover
Once we are done with the expansion or upgrade, our team does a careful inspection. We cross-check everything before leaving.
TESTIMONIALS
What Our Clients Say
Our client’s feedback clearly speaks about our commitment to high-quality work. It’s proof that we don’t just claim, we build homes that people of Connecticut love.
Mike, New Canaan, CT
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.
Mike, New Canaan, CT
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.
Mike, New Canaan, CT
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.
Areas We Serve in
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.