Pre-Engineered San Diego ADU Floor Plans & Custom Designs

Finding the right layout is the foundation of a high-yield investment. MEE Builders has engineered a comprehensive portfolio of San Diego ADU floor plans, ranging from highly efficient 500 sq. ft. 1-bedroom units to expansive 1,200 sq. ft. multi-family layouts. Every blueprint is meticulously designed to maximize livable square footage, ensure seamless continuous load paths, and strictly comply with the 2026 San Diego Municipal Code and local setback requirements.

Filter San Diego Compliant ADU Blueprints by Bedroom and Bath

Use the filters below to explore our proven architectural layouts. Whether you are executing an SB-9 lot split requiring a sprawling 3-bedroom unit, or maximizing a compact backyard with a 2-bedroom rental suite, these plans are engineered for capital efficiency, rapid permitting, and tenant-proof durability.

A floor plan of a small residential unit measuring 24 feet by 24 feet, showing a two-bedroom layout with one bathroom, a kitchen, and a combined living/dining area. The plan includes closet spaces (marked as CL), bathroom fixtures including dual sinks and toilet, kitchen appliances, and door swing indicators. The compact design efficiently organizes essential living spaces within the square footprint.
A floor plan of a small residential unit measuring 24 feet by 24 feet, showing a two-bedroom layout with one bathroom, a kitchen, and a combined living/dining area. The plan includes closet spaces (marked as CL), bathroom fixtures including dual sinks and toilet, kitchen appliances, and door swing indicators. The compact design efficiently organizes essential living spaces within the square footprint.
A floor plan showing a two-bedroom residential unit with two full bathrooms, a living/dining area, kitchen with pantry, and covered patio. The layout includes walk-in closets in both bedrooms, a laundry area with washer and dryer, and measures approximately 29 feet wide by 36 feet deep with an additional 23-foot covered patio extension. The design features an open-concept living space with the kitchen positioned adjacent to the main living area.
A floor plan showing a two-bedroom residential unit with two full bathrooms, a living/dining area, kitchen with pantry, and covered patio. The layout includes walk-in closets in both bedrooms, a laundry area with washer and dryer, and measures approximately 29 feet wide by 36 feet deep with an additional 23-foot covered patio extension. The design features an open-concept living space with the kitchen positioned adjacent to the main living area.
A floor plan of a residential home showing a two-bedroom layout with master bedroom and guest bedroom, two bathrooms, kitchen, living/dining area, and an outdoor deck patio. The main living space measures 40 feet wide with a 22-foot section and 18-foot section, plus an additional 18-foot deck area. The master bedroom features a walk-in closet and ensuite bathroom, while the second bedroom has an adjacent bathroom with washer and dryer units.
A floor plan of a residential home showing a two-bedroom layout with master bedroom and guest bedroom, two bathrooms, kitchen, living/dining area, and an outdoor deck patio. The main living space measures 40 feet wide with a 22-foot section and 18-foot section, plus an additional 18-foot deck area. The master bedroom features a walk-in closet and ensuite bathroom, while the second bedroom has an adjacent bathroom with washer and dryer units.
Floor plan of a 40' x 20' residential unit showing a symmetrical layout with two bedrooms positioned on opposite sides, each with an attached bathroom and closet. The center features an open living/dining area and kitchen with dual sinks and cooking appliances. The design demonstrates efficient space utilization with mirrored bedroom suites flanking a central common area.
Floor plan of a 40' x 20' residential unit showing a symmetrical layout with two bedrooms positioned on opposite sides, each with an attached bathroom and closet. The center features an open living/dining area and kitchen with dual sinks and cooking appliances. The design demonstrates efficient space utilization with mirrored bedroom suites flanking a central common area.
A floor plan of a residential unit measuring 22'-0" by 34'-0" showing a two-bedroom, two-bathroom layout. The plan includes a kitchen with appliances in the lower left, an open living/dining area, two bedrooms each with an ensuite bathroom in the upper portion, and a washer (W) unit. Door swing arcs and plumbing fixtures are clearly marked throughout the layout.
A floor plan of a residential unit measuring 22'-0" by 34'-0" showing a two-bedroom, two-bathroom layout. The plan includes a kitchen with appliances in the lower left, an open living/dining area, two bedrooms each with an ensuite bathroom in the upper portion, and a washer (W) unit. Door swing arcs and plumbing fixtures are clearly marked throughout the layout.
A floor plan showing a residential layout measuring 24'4" by 32'8" with two bedrooms, two bathrooms, a combined living/dining area, and a kitchen. The bedrooms are positioned on the right side with en-suite bathrooms, while the living/dining area occupies the left-center portion and the kitchen is located in the lower left corner. Each room is clearly labeled and includes fixtures such as toilets, sinks, closets (marked as CL), and kitchen appliances.
A floor plan showing a residential layout measuring 24'4" by 32'8" with two bedrooms, two bathrooms, a combined living/dining area, and a kitchen. The bedrooms are positioned on the right side with en-suite bathrooms, while the living/dining area occupies the left-center portion and the kitchen is located in the lower left corner. Each room is clearly labeled and includes fixtures such as toilets, sinks, closets (marked as CL), and kitchen appliances.
A floor plan showing a single-story home layout measuring 23 feet wide by 30 feet deep with an additional 8-foot porch. The plan includes two bedrooms with closets, one bathroom, a combined living/dining area, a kitchen, and a front porch, with utility spaces marked for washer (W) and dryer (D).
A floor plan showing a single-story home layout measuring 23 feet wide by 30 feet deep with an additional 8-foot porch. The plan includes two bedrooms with closets, one bathroom, a combined living/dining area, a kitchen, and a front porch, with utility spaces marked for washer (W) and dryer (D).
A floor plan of a 30-foot by 24-foot residential layout showing a two-bedroom, one-bathroom home. The design features two bedrooms with closets in the upper portion, a central bathroom, an open-concept living/dining area, a kitchen with appliances along the left wall, and a front porch entrance. The plan includes architectural symbols indicating door swings, closet locations (CL), and bathroom fixtures.
A floor plan of a 30-foot by 24-foot residential layout showing a two-bedroom, one-bathroom home. The design features two bedrooms with closets in the upper portion, a central bathroom, an open-concept living/dining area, a kitchen with appliances along the left wall, and a front porch entrance. The plan includes architectural symbols indicating door swings, closet locations (CL), and bathroom fixtures.
A floor plan showing a two-bedroom apartment layout measuring 20'-0" wide by 30'-1" long. The design includes two bedrooms with closets at the top, a shared bathroom, a combined living/dining area, kitchen with appliances, and a front porch measuring 5'-6" by 5'-0". Additional features include washer/dryer (W/D) placement and multiple closet spaces throughout the 17'-0" by 18'-1" living area.
A floor plan showing a two-bedroom apartment layout measuring 20'-0" wide by 30'-1" long. The design includes two bedrooms with closets at the top, a shared bathroom, a combined living/dining area, kitchen with appliances, and a front porch measuring 5'-6" by 5'-0". Additional features include washer/dryer (W/D) placement and multiple closet spaces throughout the 17'-0" by 18'-1" living area.
A floor plan of a two-bedroom apartment showing the layout with dimensions of 32'-6" width and 36'-0" height. The unit features two bedrooms with closets, one bathroom, a combined living/dining area, a kitchen with appliances, and an outdoor deck accessible from the kitchen. Room dimensions are marked, including 18'-11" and 16'-1" measurements for specific areas.
A floor plan of a two-bedroom apartment showing the layout with dimensions of 32'-6" width and 36'-0" height. The unit features two bedrooms with closets, one bathroom, a combined living/dining area, a kitchen with appliances, and an outdoor deck accessible from the kitchen. Room dimensions are marked, including 18'-11" and 16'-1" measurements for specific areas.
A floor plan showing a residential unit with an open-concept living and dining area, a galley kitchen with appliances along one wall, two bathrooms (one with a bathtub and one appearing to be a powder room), and what appears to be a bedroom or additional room in the lower portion. The layout demonstrates efficient use of space with doorways clearly marked and plumbing fixtures indicated in the bathrooms and kitchen areas.
A floor plan showing a residential unit with an open-concept living and dining area, a galley kitchen with appliances along one wall, two bathrooms (one with a bathtub and one appearing to be a powder room), and what appears to be a bedroom or additional room in the lower portion. The layout demonstrates efficient use of space with doorways clearly marked and plumbing fixtures indicated in the bathrooms and kitchen areas.
A floor plan showing a residential layout with two bedrooms, two bathrooms, a kitchen, and a living/dining area. The kitchen features appliances along the left wall, while both bathrooms include standard fixtures like toilets and what appear to be shower or tub enclosures. The open-concept living/dining area connects the spaces, with bedrooms positioned on opposite sides of the unit.
A floor plan showing a residential layout with two bedrooms, two bathrooms, a kitchen, and a living/dining area. The kitchen features appliances along the left wall, while both bathrooms include standard fixtures like toilets and what appear to be shower or tub enclosures. The open-concept living/dining area connects the spaces, with bedrooms positioned on opposite sides of the unit.
A floor plan layout showing a residential unit with one bedroom, bathroom, and open-concept living and dining areas. The bedroom is located in the upper portion with an ensuite bathroom, while the main living spaces occupy the lower area. Additional features include a second bathroom and what appears to be a kitchen or utility area along the right side of the plan.
A floor plan layout showing a residential unit with one bedroom, bathroom, and open-concept living and dining areas. The bedroom is located in the upper portion with an ensuite bathroom, while the main living spaces occupy the lower area. Additional features include a second bathroom and what appears to be a kitchen or utility area along the right side of the plan.

Slashing Permitting Timelines with Code-Ready ADU Layouts

Custom architecture is beautiful, but it often introduces severe bureaucratic friction and prolonged municipal review cycles. By starting your project with one of our pre-engineered, site-tested floor plans, we drastically accelerate the San Diego Development Services review process. These layouts have already been optimized for Title 24 energy efficiency, strict wildland-urban interface (WUI) fire separations, and optimal plumbing manifold routing—saving you thousands in preliminary architectural fees.

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