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Two Story 2BR/2BA 30×20 Long

2 Story Granny Flat Plans: Spacious Living in a Compact Design

Our 2 story granny flat plans offer a versatile and spacious layout, just under 1,200 sq ft. This thoughtfully designed unit features a large living space on the ground floor and two bedrooms with walk-in closets upstairs. Ideal for families, roommates, or guests, this plan maximizes functionality and comfort while maintaining a compact footprint.

What is a Granny Flat?

A granny flat is a type of accessory dwelling unit (ADU) that provides a self-contained living space on the same property as a primary residence. Often designed with multigenerational living in mind, granny flats offer a private and comfortable living arrangement for family members. These units allow aging parents, adult children, or extended family to live independently while remaining close to loved ones. Check out our family ADU guide for more information.

Functional 2 Story Layout

This two-story granny flat is designed to provide a balance of shared and private spaces. The ground floor features an open-concept great room that includes a spacious living area, a kitchen with an optional island, and a full bathroom. Additional amenities like in-unit laundry and a closet for extra storage make daily living convenient and efficient. Upstairs, two similarly sized bedrooms each come with their own walk-in closets. A shared full bathroom and hallway closets offer extra storage, enhancing the home’s overall functionality.

Key Layout Features:

  • Open Great Room: The ground floor combines the living space and kitchen, offering flexibility and a welcoming atmosphere.
  • Optional Kitchen Island: Add an island for extra counter space, storage, and seating. Check out our kitchen gallery for some kitchen inspiration.
  • In-Unit Laundry: Conveniently located on the ground floor for easy access.
  • Dual Walk-In Closets: Both upstairs bedrooms feature walk-in closets for ample storage.
  • Additional Storage: Extra hallway closets help keep the home organized.

All of our floor plans are completely customizable. Read our Custom ADU Guide to read about more customization options.

Benefits and Feasibility of Building a Two Story ADU

Choosing a two story ADU offers numerous benefits, from maximizing square footage to enhancing property value. Many municipalities in Greater San Diego, including San Diego, Oceanside, and Encinitas, allow for two story ADUs. These units often provide more living space without expanding the home’s footprint. Some cities may even offer reduced setbacks, making it easier to fit a two-story granny flat on smaller lots. See your local ADU regulations or reach out to our team to see if you can build a two story ADU.

Key Benefits:

  • More Living Space: Two-story designs maximize square footage while preserving yard space.
  • Flexible Zoning Regulations: Many cities support two-story ADUs with guidelines on height and setbacks.
  • Efficient Use of Land: Perfect for maximizing property value, especially in areas with limited lot space.

Check out our two story ADU guide to learn more about multi level ADUs.

Price: $365K

($330K Vertical Build + $35K Standard Finish Materials) Your project will also require plans, permits, sitework and additional considerations that are dependent on your lot. Contact us to get a detailed quote.

2 Bed
2 Bath
1155 ft 2
Two Story