BUILDING EXCELLENCE WITH INTEGRITY AND PRECISION
We envision a world where every construction project is crafted with precision and care, creating functional, aesthetically pleasing, and sustainable spaces while exceeding client expectations by delivering top-quality projects on time, within budget.
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specialists in Transforming Spaces & construction
We bring vision to life through expert craftsmanship, innovative design, and dedication to excellence. From concept to creation, we deliver exceptional results tailored to your needs and aspirations.
Interior Work
Specializing in custom solutions like eco-friendly painting, hardwood flooring, and bespoke cabinetry, we are known to craft spaces that reflect your style and values.Artfully Designed
Renovation
Renovation is all about breathing new life into what’s already there, and we are masters at it. We specialize in updating outdated properties with modern touches.Reimagine Spaces
Our team listens closely to your vision, then rolls up our sleeves to make it happen. Whether it’s a historic brownstone or a tired commercial space, we reduce waste and maximize impact, creating renovations that stand out for their quality and style.
Construction
Starting from scratch? We’ve got you covered with new construction that’s built to last. Specializing in energy-smart designs, we handle everything from blueprints to final finishes.Dreams, Designed and Built
Our projects don’t just meet today’s needs; they’re ready for tomorrow. With Sema, your new build is a bold statement of innovation and durability, rooted in New York grit.
Demolition
Demolition isn’t just tearing down—it’s clearing the way for what’s next. We specialize in safe removals that prioritize recycling and minimizing environmental footprints.Out with Old
Our skilled crew tackles everything from small interior strip-outs to full structural takedowns with precision and care. Backed by certifications like Lead Abatement, we ensure every job is clean and compliant.
Sema Contracting, established over 20 years ago in New York, is dedicated to delivering high-quality construction services. Our tagline, “Building Your Vision, Sustaining the Future,” reflects our commitment to blending traditional craftsmanship with modern, sustainable practices. We specialize in Interior Work, Renovation, New Construction, and Demolition, ensuring every project is built to last and environmentally responsible.
Crafting Excellence – Our Work Speaks for Itself
At Sema Contracting, every project is a canvas—a chance to blend artistry, precision, and sustainability into spaces that inspire. With over 20 years of New York expertise, we’ve laid the groundwork for homes, businesses, and dreams across the city and beyond. From sleek interior transformations to bold new builds, we’re not just constructing structures—we’re shaping stories.
Our Core Values
Guided by integrity, innovation, and excellence, we craft spaces that inspire and endure. Every nail we drive and every beam we raise is built on the foundation of trust, collaboration, and an unwavering commitment to quality. These values aren’t just what we believe—they’re what we live by, shaping every decision, every build, and every connection we make.
Certifications & Licenses
At Sema Contracting, we bring more than experience to the table—we bring credibility. As a Certified Women’s Business Enterprise, we’re proud to lead with diversity and strength in the construction industry. We’re also a NYC Consumer Affairs Licensed Contractor, ensuring every project meets the highest city standards. Our expertise in Lead Abatement keeps your spaces safe and compliant, while our full licensing and insurance across Nassau County, Westchester County, New York City, and all Five Boroughs means we’ve got you covered, no matter where your project takes us. With Sema, you’re partnering with a team that’s certified, trusted, and ready to build.