Welcome to Marble Granite Quartz Slab
Fabrication & Installation
The ultimate destination for all your stone needs in Los Angeles. With our in-house fabrication shop equipped with state-of-the-art machinery and an extensive inventory of natural and engineered stones, we offer unmatched quality, selection, and affordability.
Discover a wide range of exquisite natural stones and innovative engineered options at Extended Development Inc. From timeless marble and durable granite to cutting-edge quartz and porcelain surfaces, we have the perfect solution to elevate your spaces.
At Extended Development Inc., we pride ourselves on delivering the lowest prices without compromising on quality. Our dedicated team of experts is here to assist you in selecting the ideal stone for your project, ensuring your vision comes to life within your budget.
Experience the convenience of our on-site fabrication capabilities, allowing us to provide quick turnaround times while maintaining exceptional craftsmanship. Whether it’s kitchen countertops, bathroom vanities, or custom stone features, Extended Development Inc. has the resources and expertise to exceed your expectations.
Visit our showroom today and see why Extended Development Inc. is the preferred choice for homeowners, designers, and contractors in Los Angeles. Explore our vast selection, enjoy unbeatable prices, and let us help you transform your space with the beauty and elegance of our natural and engineered stones.
QUARTZ SPECIALS

AS LOW AS $400
SALE PRICE INCLUDES?
Installation | Granite | Fabrication
Bullnose Edging | Sealer | Free Estimate
QUALITY OF WORK
Located in the heart of Los Angeles, California, with a rich history spanning over 35 years, we bring a wealth of experience to every project we undertake. Our team comprises talented and devoted installers who are passionate about delivering unparalleled craftsmanship and providing exceptional customer service at every step.



About us
EMBRACE THE TIMELESS BEAUTY OF STONE
Extended Development Inc. is a family-owned and operated business rooted in a rich heritage of stone craftsmanship and a shared vision for excellence. Our journey began with our father, a true pioneer in the industry, who established a reputable name and instilled in us a deep appreciation for the artistry of stone.






