Business Details
Your Trusted Partner for Home Improvement Solutions
John DeMelis has been a trusted name in home improvement and construction for generations. Specializing in roofing, siding, window replacements, home remodeling, and new construction, our team brings decades of combined experience to every project. We pride ourselves on delivering high-quality workmanship tailored to each homeowner's unique needs, whether it's a small repair or a complete home transformation. Our commitment to honesty, integrity, and customer satisfaction has earned us a reputation as Middlesex County's premier home improvement company.With a focus on energy efficiency, durability, and aesthetic appeal, we help homeowners enhance their properties' value while staying within budget. Our family-owned business serves communities across Connecticut, offering personalized service and guaranteed results.
Services
Roofing
Siding
Window Replacements
Home Remodeling
Additions
Wood Flooring
Replacement Doors
Trim Work
Decks
Floor Sanding
Highlights and features
- We offer 60+ years of combined family experience in residential construction.
- Our team specializes in all phases of home improvement from roofing to remodeling.
- Licensed and insured contractor serving Connecticut homeowners since 2010.
- Proven track record of on-time, on-budget project completion.
- Proudly serving 15+ communities across Middlesex County and beyond.
What people say
Affordable & reliable
Stress-free experience
Quality workmanship
On-time completion
Customer satisfaction guaranteed
Services
Roofing
Our roofing services include full replacements, repairs, and maintenance for residential properties. We use premium materials and proven techniques to ensure long-lasting protection against weather elements. Our team completes projects efficiently while maintaining strict quality standards.
Home Remodeling
We provide comprehensive home remodeling solutions covering kitchens, bathrooms, and whole-house transformations. Our process combines design expertise with practical execution to enhance functionality and property value while respecting budget constraints.
Siding Installation
Our siding services improve home aesthetics and energy efficiency through modern materials and expert installation. We offer design flexibility with options for insulated siding, trim upgrades, and weatherproofing solutions tailored to Connecticut climates.
Window Replacements
We install energy-efficient windows that reduce utility costs while enhancing home appearance. Our selection includes various styles and materials with professional fitting to ensure optimal performance and durability in Connecticut weather conditions.
Additions
Our home addition services create functional living spaces that meet growing family needs. We handle all aspects from design consultation to completion, ensuring seamless integration with existing structures while maintaining strict timelines and budgets.
People
John DeMelis
Owner
John DeMelis leads the team with three generations of construction experience. His hands-on approach ensures every project meets exacting standards while maintaining personal attention to client needs and satisfaction.
Questions
What home improvement services do you offer?
We specialize in roofing, siding, window replacements, home remodeling, additions, wood flooring, and deck construction across Connecticut.
Which areas do you serve?
We proudly serve Middletown, East Hampton, Cromwell, Berlin, and 10+ other Connecticut communities for all home improvement needs.
How long have you been in business?
Demcon, LLC was established in 2010, though our family's construction experience spans three generations and 60+ years.
Are you licensed and insured?
Yes, we are a fully licensed and insured contractor operating throughout the state of Connecticut.
Can you handle both small and large projects?
We complete projects of all sizes from simple repairs to full home renovations with equal attention to quality and detail.
Do you offer free consultations?
Yes, we provide free initial consultations to discuss your home improvement needs and project requirements.
