📍 Serving Miami, Fort Lauderdale & South Florida

Backyard Solutions & Custom Structures

High-quality modular homes, prefabricated structures, and custom-built solutions designed for durability, efficiency, and modern living.

Why Choose Cornerstone & Sons?

Innovation, efficiency, and modern design redefining modular construction in South Florida.

Speed

construction significantly reduces build times by up to 60%.

Sustainability

We use sustainable materials and energy-efficient systems designed for Florida’s climate.

Cost Efficiency

Optimized processes and off-site construction allow us to reduce costs by up to 40%.

Our Projects

Every project is unique — thoughtfully designed and built with excellence.

Backyard upgrade 1

The White is our most popular smart solution for backyards.
Starting at 10’ x 20’ and up, it transforms your outdoor space into a fully functional home office, gym, or creative studio & More, without the high cost of traditional construction.

Modern, versatile, and designed to maximize every square foot.

Backyard upgrade 2

The kowalska shed is 10×20 and up that delivers big benefits in a compact footprint. Combining premium craftsmanship with smart design, it’s perfect for an office, workout room, or artistic studio & more. This space offers a sophisticated and peaceful environment for any purpose.

Pérgolas

Turn your outdoor space into your favorite place at home.
Our custom pergolas deliver shade, style, and comfort so you can entertain more, relax more, and enjoy your backyard without overspending.

ABOUT US

Modular innovation that transforms spaces

Cornerstone & Sons specializes in high-quality construction, creating functional and modern spaces designed for everyday living.

We design and build custom Backyard solutions, offices, and accessory dwelling units (ADUs) using durable prefabricated systems and premium materials. Every project is tailored to our clients’ needs, combining smart design, efficiency, and long-lasting construction.

Our experienced team manages the entire process—from design and fabrication to on-site installation—delivering turnkey solutions with faster timelines and consistent quality

Why Choose Prefab Over Traditional Built?

Our prefab construction process is designed to save you money by reducing waste and improving efficiency. This approach not only lowers costs but also minimizes environmental impact, delivering a smarter, more sustainable solution for homeowners.

Faster than traditional constuction

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Return on investment

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Waste reduction

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Less carbon emissions created

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FAQ

Find clear answers to the most common questions about our modular homes, installation process, customization options, and delivery.

Yes. Our modular homes are built with high-quality, weather-resistant materials designed to withstand rain, humidity, wind, and varying climate conditions. Each unit includes proper insulation, sealed joints, and waterproof roofing systems to ensure long-term durability and protection.

We offer an optional electrical package at an additional cost. This package includes all necessary fixtures, switches, and outlets to make the electrical setup simple and efficient.

Yes. You will receive a pre-finished wall panels kit that is fabricated in our factory under controlled manufacturing conditions to ensure precision and quality.

Yes. Our products are backed by a 1-year limited warranty covering material defects and workmanship. This warranty provides added peace of mind and reflects our commitment to quality manufacturing standards.

Occupancy regulations vary depending on your city, county, and state. We recommend checking with your local authorities to confirm zoning requirements, permits, and residential approval before installation.

No. At this time, we ship only within the United States. Delivery timelines and logistics may vary depending on your location within the country.

Get Your Backyard Built in Miami

Ready to start your project? Contact Cornerstone & Sons today for a free consultation and custom quote.