Exterior Construction Services
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Transform Your Home or Business with KAJ Construction
KAJ Construction has been the trusted name in contracting services for Framingham, greater Boston, and New Hampshire since 2007. Our family-owned and locally operated business prides itself on delivering exceptional quality and service. Whether you need a small repair or a large-scale renovation, our team is fully licensed, insured, and ready to provide you with a free, no-obligation estimate. We’re committed to making your home improvement dreams a reality, with the owner personally overseeing every job site.
We offer next business day estimates and promise to start work within two weeks of signing a contract. As a James Hardie Preferred Contractor, we use only the highest quality materials, ensuring your home not only looks great but also stands the test of time. Our team speaks English, Portuguese, and Spanish, making it easy for us to communicate effectively with a diverse range of clients. From the initial consultation to the final walk-through, our goal is to provide outstanding customer service and detailed workmanship. Contact us today.
Why Choose KAJ Construction?
Choosing KAJ Construction means opting for unparalleled expertise and a commitment to quality. Our lead-safe certification and James Hardie Preferred Contractor status speak volumes about our dedication to safety and excellence. We offer free, no-obligation estimates and ensure that no job is too small or too big for our skilled team.
With the owner present on every job site, you can rest assured that your project will receive the meticulous attention it deserves. Plus, our multilingual team ensures clear communication every step of the way. Trust us to transform your home with precision and care. You can trust that we are the roofing, decking, and siding contractor Framingham, MA residents count on.
Siding
Our siding services are designed to enhance the beauty and durability of your home. As a James Hardie Preferred Contractor, we use top-of-the-line materials that offer both aesthetic appeal and long-lasting protection. Whether you’re looking to update your home’s exterior or need repairs, our team provides detailed workmanship and outstanding customer service. We ensure that every siding project is completed to the highest standards, giving your home a fresh, new look. Call us when you're looking for a siding contractor Newburyport, MA homeowners recommend.
Windows
Windows are the eyes of your home, and we make sure they’re as beautiful and functional as possible. Our window installation and replacement services focus on energy efficiency, security, and style. We offer a range of options to suit your home’s unique character and your personal preferences. With our expert team handling the installation, you can expect precise workmanship and a seamless fit, enhancing both the appearance and performance of your windows.

Decks
At KAJ Construction, we specialize in creating beautiful, functional decks tailored to your lifestyle. Our offerings include wood decks for a classic look, low-maintenance Trex composite decks, raised decks for uneven terrain, pool decks that enhance safety, and spacious wraparound decks for entertaining. Our skilled team focuses on quality materials, craftsmanship, and timely completion. Transform your outdoor space with a custom deck. Contact us today!
Specials
At KAJ Construction, we recognize the value of quality exterior services for both homes and businesses. Proudly serving Framingham, greater Boston, and New Hampshire, we provide tailored solutions to meet your specific needs. Take advantage of our free, no-obligation estimates to enhance your property’s appearance. Call (508) 834-8059 today to discover our exclusive offers and learn more about how we can assist you in your upcoming projects!
We Offer the Best Warranties & SPECIALS Around Town!
Recent Photos of Exterior Projects
Here's what our satisfied customers are saying...
At KAJ Construction, we take pride in providing exceptional siding, window, roofing, and door services to our customers. We would be grateful if you could share your thoughts about our business with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review of KAJ Construction and let others know what you think.
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