Floor Plans for California Homes & ADUs

The Hide – 200 Sq Ft Studio ADU Floor Plan

From $100,000

area 200 sq ft bedrooms Studio bathrooms 1 Bath

Micro – 267 Sq Ft Studio ADU Floor Plan

From $100,000

area 267 sq ft bedrooms Studio bathrooms 1 Bath

Studio – 480 Sq Ft One-Story ADU Floor Plan

From $144,000

area 480 sq ft bedrooms Studio bathrooms 1 Bath

Urban 50 – 495 Sq Ft Studio ADU Floor Plan

From $148,500

area 495 sq ft bedrooms Studio bathrooms 1 Bath

The Nest – 500 Sq Ft Studio ADU Floor Plan

From $149,970

area 500 sq ft bedrooms Studio bathrooms 1 Bath

Luna – 600 Sq Ft 1-Bedroom One-Story ADU Plan

From $180,000

area 600 sq ft bedrooms 1 Bed bathrooms 1 Bath

Nova – 705 Sq Ft 3-Bedroom ADU Plan

From $211,500

area 705 sq ft bedrooms 3 Bed bathrooms 2 Bath

Villa Largo – 748 Sq Ft 2-Bedroom ADU Plan

From $224,400

area 748 sq ft bedrooms 2 Bed bathrooms 1 Bath

La Terraza – 800 Sq Ft 2-Bed ADU Plan

From $240,000

area 800 sq ft bedrooms 2 Bed bathrooms 2 Bath

Celeste – 988 Sq Ft 2-Bedroom ADU Floor Plan

From $247,000

area 988 sq ft bedrooms 2 Bed bathrooms 2.5 Bath

Haven – 990 Sq Ft 2-Bedroom ADU Floor Plan

From $247,500

area 990 sq ft bedrooms 2 Bed bathrooms 2 Bath

Verso – 998 Sq Ft 2-Bedroom ADU Floor Plan

From $249,500

area 998 sq ft bedrooms 2 Bed bathrooms 2.5 Bath

Bravo – 1,000 Sq Ft 2-Bedroom ADU Floor Plan

From $300,000

area 1000 sq ft bedrooms 2 Bed bathrooms 2.5 Bath

Luma – 1089 Sq Ft Two-Bedroom ADU Floor Plan

From $326,700

area 1089 sq ft bedrooms 2 Bed bathrooms 2 Bath

Lantern Hollow – 1100 Sq Ft 4-Bedroom ADU Plan

From $330,000

area 1100 sq ft bedrooms 4 Bed bathrooms 2 Bath

Horizon House – 1200 Sq Ft 3-Bedroom ADU Plan

From $300,000

area 1200 sq ft bedrooms 3 Bed bathrooms 2 Bath

Floor Plan Options for Every Lot and Lifestyle

Our collection includes house and ADU floor plans for different property sizes, lifestyles, and building needs across California. Explore layouts ranging from compact backyard units to spacious single-family homes.

  • Single-story floor plans for accessible living, families, and efficient layouts on wider lots.
  • Two-story floor plans for properties where building vertically can make better use of available space.
  • Open floor plans that connect kitchens, dining areas, and living spaces while maintaining functional zones.
  • Small house plans designed to make efficient use of compact lots and limited square footage.
  • ADU floor plans for guest houses, rental units, and multi-generational living.
  • Custom floor plans for properties that require a layout tailored to specific site conditions and project goals.
Retiro de la Familia – 1,148 Sq Ft 3D Floor Plan
Modern California Home with Thoughtful Floor Planning

How to Choose the Right Floor Plan for Your Property

Choosing the right floor plan involves more than square footage and bedroom count. The size and shape of your lot, site conditions, lifestyle, privacy needs, and future plans can all influence which layout will work best.

Key factors to consider:

  • Lot size, shape, setbacks, and site conditions.
  • Single-story vs. two-story living.
  • Bedroom count and privacy between spaces.
  • Natural light and window orientation.
  • Indoor-outdoor connections.
  • Local zoning, permitting, and building requirements.

A well-planned layout should work not only on paper, but also with the realities of the property. Ataman Studio Architects considers architectural planning, site constraints, permitting requirements, and buildability when helping clients adapt or develop plans for California projects.

Floor Plans Ready for Real California Projects

Finding the right layout is only the beginning. Ataman Studio Architects can help adapt a floor plan to your property, square footage, architectural style, and project requirements, with planning that considers engineering, permitting, and construction from the start.

Choose from our collection of house and ADU floor plans, customize an existing layout, or work with our team to develop a plan around your specific property and goals.