About The Cornerstone Cottage – 810 Sq Ft 2-Bed ADU Plan

The Cornerstone Cottage is a thoughtfully designed 810 sq ft single-story ADU that blends two spacious bedrooms with a bright, open-concept communal area. Its L-shaped layout enhances both privacy and indoor flow, making it an excellent choice for renters, guests, or small families seeking a comfortable and functional home.

The Cornerstone Cottage ADU Plan Overview

• Total Living Space: 810 sq ft.
• Bedrooms: 2 spacious bedrooms.
• Bathrooms: 1 full bathroom.
• Stories: 1 story.
• Shape: L-shaped layout for improved separation of spaces.
• Dimensions: 40’-6’’ x 21’-7’’.
• Type: One-story ADU.
• Design Style: Bright, open, and highly livable.

Open-Concept Kitchen, Dining & Living Area

The main living zone serves as the heart of The Cornerstone Cottage. A spacious Kitchen Area transitions effortlessly into the Dining Area and a large, comfortable Living Area—creating a generous shared space perfect for everyday life, hosting guests, or relaxing at home. The L-shaped footprint supports excellent natural light and smooth circulation between rooms.

Private Bedroom Wing for Quiet Living

A central Hallway leads to the private quarters of the home, ensuring separation between communal and restful spaces. Both Bedrooms are well-sized, accommodating full bedroom sets or additional furnishings. Each includes a built-in Closet for easy organization and long-term comfort.

Convenient Bathroom & W/D Access

The shared Bathroom is strategically located off the hallway and includes a full tub/shower combination, vanity, and modern fixtures. Nearby, a dedicated Washer/Dryer area offers everyday convenience while maintaining an efficient floor plan.

Comfortable, Functional & Perfect for Long-Term Use

The Cornerstone Cottage offers the ideal balance of open living and quiet bedrooms, making it an excellent option for rentals, guest housing, or a permanent home for a small family. Its spacious layout and thoughtful proportions create a welcoming atmosphere that supports comfortable modern living.

Customization Options

• Upgrade kitchen counters, cabinets, or fixtures.
• Add larger windows or sliding doors for increased natural light.
• Enhance energy efficiency with solar integration or upgraded HVAC.
• Customize exterior materials to match the primary residence.

Why Choose The Cornerstone Cottage ADU Plan?

With its two generous bedrooms, open living areas, and efficient L-shaped layout, The Cornerstone Cottage provides exceptional livability in a compact footprint. It’s a standout option among California ADU floor plans for homeowners seeking a practical, comfortable, and well-designed layout.

Explore more 800 sq ft ADU plans or browse the full collection of California ADU designs.