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Business Details
50+ Years
experience
Your Trusted Partner for Residential & Commercial Construction in Guilford, CT
Markowski & Son has been a family-owned construction business since 1958, now in its third generation of leadership. Our legacy is built on trust, integrity, and delivering high-quality residential and commercial projects across the CT Shoreline. We prioritize customer satisfaction, working closely with clients to ensure their vision becomes reality while adhering to budget constraints. With over 60 years of experience, we specialize in new construction, remodeling, and additions, combining traditional craftsmanship with modern techniques. Our reputation for excellence has been earned through decades of referrals from satisfied homeowners and businesses.

We invite you to explore our completed projects, including historic home additions and basement transformations, which showcase our commitment to detail and quality. As a fully licensed and insured general contractor, we stand behind every project from start to finish. Our team is available Monday through Friday, 8 AM to 4 PM, to discuss your construction needs and provide personalized guidance. Let us help you open a new door for your home or business with the same dedication that has defined our family for generations.
Services
Residential Construction Commercial Construction New Construction Remodeling Additions
Details
  • Year established: 1958
Highlights and features
  • We have over 60 years of experience in residential and commercial construction.
  • Our family-owned business prioritizes personalized customer service and transparency.
  • We deliver quality craftsmanship within client budget constraints.
  • Fully licensed and insured general contractor with proven expertise.
  • Specialize in serving CT Shoreline communities with local knowledge.
Services
Residential Construction
We specialize in custom residential construction, from ground-up builds to historic home renovations. Our team works closely with homeowners to create functional, durable living spaces that meet individual needs. With decades of experience in the CT Shoreline area, we combine traditional craftsmanship with modern building techniques to deliver homes that stand the test of time.
Commercial Construction
Our commercial construction services cater to diverse business needs, including medical facilities, offices, and multi-unit developments. We understand the unique requirements of commercial projects and deliver solutions that balance functionality with cost-effectiveness. From initial planning to final execution, we ensure projects meet industry standards while aligning with client expectations.
Remodeling
We offer comprehensive remodeling services to update and enhance existing properties. Our expertise includes kitchen and bathroom renovations, basement finishing, and structural modifications. By focusing on quality materials and precise execution, we help homeowners maximize their property's value while maintaining their vision and budget constraints throughout the renovation process.
Additions
Our addition services create seamless expansions to existing homes, including extra bedrooms, bathrooms, and living areas. We handle all aspects from design coordination to final construction, ensuring structural integrity and aesthetic continuity. Recent projects demonstrate our ability to transform spaces while preserving the character of original structures in the Guilford area.
New Construction
We provide end-to-end new construction services for both residential and commercial clients. Our process begins with detailed planning and budgeting, followed by expert execution using trusted subcontractors. Whether building a single-family home or commercial space, we maintain strict quality control while delivering projects on schedule and within specified parameters.
People
John Markowski
Third Generation Owner
John Markowski leads the company as third-generation owner, continuing the family tradition of quality construction since 1958. With decades of hands-on experience in residential and commercial projects, he maintains the company's commitment to customer satisfaction while overseeing daily operations and project execution.
Questions
What types of construction projects do you handle?
We specialize in residential and commercial construction, including new builds, remodeling, and additions for homeowners and businesses in the CT Shoreline area.
How long has Markowski & Sons been in business?
We've been a family-owned construction company since 1958, serving the CT Shoreline community for over 60 years with three generations of leadership.
Can you help with basement finishing projects?
Yes, we transform basements into functional living spaces with bedrooms, bathrooms, and recreational areas while maximizing home value and meeting client specifications.
Do you work on historic homes?
Yes, we have experience renovating historic homes, maintaining their character while incorporating modern updates, as demonstrated in our 2020 Guilford, CT addition project.
What areas do you serve?
We primarily serve the CT Shoreline and surrounding areas, including Guilford, working closely with local homeowners and businesses on construction projects.