Elevate Your Home:

Custom Casitas & ADU Construction

Adding a casita or ADU is more than just extra square footage; it’s an opportunity to expand your home’s potential with flexible, stylish, and functional living space. Keystone Construction creates custom casitas and ADUs designed to fit your needs and complement your property seamlessly

Why Choose Keystone Construction

For Your Casita & ADU Project

  • Custom Designs: Keystone Construction creates personalized casita and ADU plans that match your property’s style while maximizing usable space and functionality.
  • Design Expertise: With our experienced design team, every aspect of your casita or ADU is carefully planned and artfully executed for seamless integration with your home.
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  • Comprehensive Design Services: From your first consultation to detailed plans, permitting, and material selection, Keystone Construction guides you through every stage of creating your casita or ADU.
  • Sustainable Approach: By using eco-friendly building practices and energy-efficient solutions, we help you expand your home responsibly while embracing modern sustainability standards.
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The Keystone Construction Difference

Casitas & ADU Construction Process

Consultation:

Discuss your vision, goals, and budget with our experienced team. We’ll evaluate your property and zoning requirements to explore the best options for your casita or ADU.

Design and Planning:

Collaborate on a custom layout and architectural design that complements your home and meets your needs. Choose materials, finishes, and features with our expert guidance.

Project Coordination:

We handle permits, scheduling, and coordinate with licensed contractors to ensure your project progresses smoothly. You’ll receive regular updates so you’re always informed.

Final Walkthrough:

Review every detail of your new casita or ADU to confirm it aligns perfectly with your vision before final sign-off.

Casitas & ADU

Trends in 2025

Flexible Living Spaces: Design multi-purpose casitas and ADUs that can function as guest suites, home offices, or rental units.

Smart Home Integration: Incorporate smart lighting, security systems, and energy-efficient features for a modern, connected living space.

Outdoor Connectivity: Large windows, sliding doors, and outdoor patios blur the line between indoor and outdoor living.

Mixed Materials: Combine wood, stone, and modern finishes for a balanced, contemporary aesthetic.

Sustainable Building: Use eco-friendly materials and energy-efficient systems to create greener, more responsible homes.

Benefits of Building Your

Casitas or ADU with Keystone Construction

Added Value: Increase your property’s worth with functional, stylish additional living space.

Flexible Use: Whether it’s for guests, extended family, or rental income, your ADU can adapt to your changing needs.

Custom Style: Tailored design ensures the addition complements your existing home.

Energy Efficiency: Modern construction methods and materials reduce long-term utility costs.

Whether you’re dreaming of a modern minimalist design or a cozy rustic space, Keystone Construction is here to help bring your vision to life. Our expert design team will guide you through every step of the process, ensuring a seamless experience and a kitchen design that exceeds your expectations.

Our Clients

Client Testimonials

David Butvinik
Customer

“We recently hired Keystone for a bathroom remodel and couldn’t be happier with the results. From the start, their communication was excellent we always knew exactly what to expect and when. The entire crew was professional, polite, and respectful of our home throughout the project. The craftsmanship is top notch, and they truly delivered an excellent finished product. Highly recommended for anyone looking for a reliable contractor.”

Eden Shnaider
Customer
“I hired Keystone Construction again, this time for a custom fireplace entertainment center, and they exceeded expectations once more. I was blown away by their efficiency the entire project was completed in just a week and a half without cutting any corners. The team is incredibly professional, tidy, and fast. If you need high quality custom work done on a tight timeline, these are the people to call.”
Roy Lahiany
Customer

“We recently hired Keystone Construction for a bathroom remodel, and the experience was outstanding from start to finish. From the initial planning stages, they were instrumental in helping us design the space and select the right materials. Their expertise really showed through the helpful pointers they gave us to ensure the entire process ran smoothly.
Communication was excellent throughout the project; we were always kept in the loop and never had to wonder about the next steps. The final result is high quality work delivered by a professional team. If you are looking for a contractor who is reliable, communicative, and skilled at design, I highly recommend Keystone Construction”