Home Extension Services in Brooklyn, Queens & NYC

King Stone Builder & Construction Inc offers expert home extension services for homeowners across New York City. Whether you need more space for your growing family or want to increase property value, we design and build high-quality extensions that blend seamlessly with your existing home.

Expand Your Space Without Moving

From rear extensions and second-story additions to converting underused areas, our licensed team handles the entire process — planning, permits, and construction. We ensure that every extension project meets NYC building codes and delivers the space, function, and style you need.

Why Choose Us for Your NYC Home Extension?

• 30+ Years of Experience with Home Additions
• Fully Licensed & Insured General Contractor
• Expertise in Brooklyn and Queens Zoning Regulations
• High-Quality Construction and Seamless Integration
• We Handle Planning, Permits, and Full Execution

Start Planning Your Extension Today

We have completed successful home extension projects in Flatbush, East New York, Jamaica, Astoria, and other NYC neighborhoods. Let's discuss your ideas and build the space you need. Request a free estimate or call 917-667-7802 today.