Get matched with top addition to existing structure builders in Storrs Mansfield, CT

"Whitcolm Holmes did an amazing job on my basement renovation; they worked closely with me, listening to my wants and needs, and completed the renovation within my expected timeframe. I will certainly use them again for future projects and happy to refer them to friends and family."

"Timber and Megan are consummate professionals who are timely, hard working and detail oriented. I was very fortunate to have them realize a project that was centered around creating an in-law apartment in an existing space in my home for my father. They worked with me every step of the way which resulted in a collaborative design with a nautical theme. The end result is stunning and everyone who sees it wants to live in it! Thank you Timber and Megan for making my vision a reality."

"Excellent price, excellent work, got the job done in a timely manner. We would definitely hire them again."

"3 Sons was very easy to work with. They were very responsive to our needs and questions throughout the process, and the finished project looks great! We are very happy with the results."

"I recently hired TJ?s Clean Out Service and couldn?t be happier with the experience. From start to finish, they were professional, responsive, and incredibly efficient. They showed up on time, worked quickly, and handled everything with care and respect for the property."

"Knowledgeable, fast service, all around great job from start to finish. Completed in a timely manner. Great communication."

"I recently had my shingle roof replaced and I?m very happy with the results. The team was professional, punctual, and completed the job efficiently. The quality of the work is excellent, and the new roof looks great. They kept the work area clean and communicated well throughout the process. I would definitely recommend them to anyone needing a roof replacement."

MARK1 CONSTRUCTION is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

With over 20 years of hands-on construction experience, Four Sons Home Improvement brings leadership, precision, and integrity to every project. Our background includes serving as a Commercial Carpentry Lead and Foreman, as well as a Residential Project Manager, giving us a unique blend of large-scale expertise and detailed home renovation knowledge.\n\nWe specialize in meticulous, high-quality craftsmanship, backed by industry qualifications including OSHA 30 & OSHA 10 certifications and HIC #0703971.\n\nWhat truly sets us apart is our commitment to communication, quality, cleanliness, and transparency—values we bring to every home we enter. We proudly service Hartford and Tolland Counties, delivering dependable improvements that families can trust.\n\nAt the heart of our work is family. Four Sons Home Improvement is driven by the desire to show our children what hard work, faith, and dedication can achieve—building not only better homes, but a lasting example for the next generation.