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 of a small residential unit measuring 13 feet wide by 30 feet 6 inches deep, showing a one-bedroom layout with a bathroom, combined living/dining area, kitchen, and front porch. The bedroom is located in the upper portion, with the bathroom adjacent to it, while the living/dining space occupies the center, and the kitchen and porch are positioned at the entrance. Black walls indicate structural elements, and door swing arcs show entry points between rooms.
A floor plan of a small residential unit measuring 13 feet wide by 30 feet 6 inches deep, showing a one-bedroom layout with a bathroom, combined living/dining area, kitchen, and front porch. The bedroom is located in the upper portion, with the bathroom adjacent to it, while the living/dining space occupies the center, and the kitchen and porch are positioned at the entrance. Black walls indicate structural elements, and door swing arcs show entry points between rooms.
Floor plan of a single-story residential home showing a layout with three bedrooms, one full bathroom, one half bath, kitchen, living/dining area, and porch. The plan indicates overall dimensions of 27'-0" width and 48'-0" depth, with closets (CL) marked in bedrooms, washer/dryer (W/D) locations, and door swing patterns throughout. The open-concept living/dining area connects to the kitchen, while bedrooms are positioned in the upper portion of the layout for privacy.
Floor plan of a single-story residential home showing a layout with three bedrooms, one full bathroom, one half bath, kitchen, living/dining area, and porch. The plan indicates overall dimensions of 27'-0" width and 48'-0" depth, with closets (CL) marked in bedrooms, washer/dryer (W/D) locations, and door swing patterns throughout. The open-concept living/dining area connects to the kitchen, while bedrooms are positioned in the upper portion of the layout for privacy.
A floor plan of a single-story residential home showing three bedrooms, two bathrooms, a kitchen, living/dining area, laundry room with W/D, walk-in closet, deck, and front porch. The layout includes dimensional measurements with the main structure approximately 38'-0" wide and varying depths, featuring an 8'-0" deep front porch. The design shows door swings, fixtures, and room arrangements with bedrooms positioned in the upper portion and living spaces in the lower section of the plan.
A floor plan of a single-story residential home showing three bedrooms, two bathrooms, a kitchen, living/dining area, laundry room with W/D, walk-in closet, deck, and front porch. The layout includes dimensional measurements with the main structure approximately 38'-0" wide and varying depths, featuring an 8'-0" deep front porch. The design shows door swings, fixtures, and room arrangements with bedrooms positioned in the upper portion and living spaces in the lower section of the plan.
A floor plan showing a two-bedroom apartment layout with a combined living/dining area, kitchen, three bathrooms, and a patio deck. The unit measures approximately 28'-2" wide by 42'-4" deep, with the patio deck extending an additional 13'-0" on the left side. The plan includes detailed room placements with door swings, fixtures, and a washer unit marked with 'W'.
A floor plan showing a two-bedroom apartment layout with a combined living/dining area, kitchen, three bathrooms, and a patio deck. The unit measures approximately 28'-2" wide by 42'-4" deep, with the patio deck extending an additional 13'-0" on the left side. The plan includes detailed room placements with door swings, fixtures, and a washer unit marked with 'W'.
A detailed architectural floor plan showing a residential layout with three bedrooms, two bathrooms, a living/dining area, kitchen, deck, porch, and walk-in closet. The plan includes dimensional measurements, with the overall structure measuring 29'-0" wide and featuring various room layouts with door swings and fixture placements clearly marked. The deck is accessible from the living area and includes what appears to be washer/dryer (W/D) connections.
A detailed architectural floor plan showing a residential layout with three bedrooms, two bathrooms, a living/dining area, kitchen, deck, porch, and walk-in closet. The plan includes dimensional measurements, with the overall structure measuring 29'-0" wide and featuring various room layouts with door swings and fixture placements clearly marked. The deck is accessible from the living area and includes what appears to be washer/dryer (W/D) connections.
A floor plan of a single-story residential home showing a layout with three bedrooms, two bathrooms, a combined living and dining area, kitchen, front porch, and rear patio. The plan includes dimensions showing the structure is approximately 35 feet wide by 29.5 feet deep, with washer and dryer hookups located in the patio area. The design features an open-concept living space with the kitchen centrally positioned and bedrooms arranged around the perimeter for privacy.
A floor plan of a single-story residential home showing a layout with three bedrooms, two bathrooms, a combined living and dining area, kitchen, front porch, and rear patio. The plan includes dimensions showing the structure is approximately 35 feet wide by 29.5 feet deep, with washer and dryer hookups located in the patio area. The design features an open-concept living space with the kitchen centrally positioned and bedrooms arranged around the perimeter for privacy.
A floor plan of a rectangular residential unit measuring 37'-8" by 32'-8", showing a three-bedroom, two-bathroom layout. The master bedroom features an ensuite bathroom and walk-in closet on the left side, while two additional bedrooms share a bathroom on the right. The central area contains an open-concept living/dining space adjacent to a kitchen with modern appliances.
A floor plan of a rectangular residential unit measuring 37'-8" by 32'-8", showing a three-bedroom, two-bathroom layout. The master bedroom features an ensuite bathroom and walk-in closet on the left side, while two additional bedrooms share a bathroom on the right. The central area contains an open-concept living/dining space adjacent to a kitchen with modern appliances.
A floor plan of a small one-bedroom apartment measuring 16'-0" by 24'-7", showing a bedroom with closet and en-suite bathroom in the upper portion, an open living/dining area in the center, a compact kitchen along the right wall, and a porch at the bottom entrance. The layout efficiently organizes approximately 400 square feet of living space with clear room labels and door swing indicators.
A floor plan of a small apartment measuring 22 feet by 21 feet 7 inches, showing a one-bedroom layout with a combined living/dining area, kitchen, and bathroom. The bedroom is located in the lower left with a closet, the kitchen occupies the upper portion with appliances indicated, and the living/dining space is positioned on the right side. The bathroom is compact and situated in the upper left corner, adjacent to the kitchen.
A floor plan of a small apartment measuring 22 feet by 21 feet 7 inches, showing a one-bedroom layout with a combined living/dining area, kitchen, and bathroom. The bedroom is located in the lower left with a closet, the kitchen occupies the upper portion with appliances indicated, and the living/dining space is positioned on the right side. The bathroom is compact and situated in the upper left corner, adjacent to the kitchen.
A floor plan of a small one-bedroom apartment measuring 16'-0" wide by 24'-7" deep. The layout includes a bedroom with closet in the upper right, a bathroom with toilet and sink in the upper left, a central living/dining area, a kitchen along the right wall, and a porch at the bottom entrance. The total width extends to 25'-0" including exterior spaces.
A floor plan of a small one-bedroom apartment measuring 16'-0" wide by 24'-7" deep. The layout includes a bedroom with closet in the upper right, a bathroom with toilet and sink in the upper left, a central living/dining area, a kitchen along the right wall, and a porch at the bottom entrance. The total width extends to 25'-0" including exterior spaces.
A floor plan of a one-bedroom apartment measuring 20 feet by 20 feet, showing a layout with a living/dining area, kitchen with double sink, one bedroom with closet and washer/dryer, and a bathroom with toilet, sink, and shower. The apartment features an efficient square design with the main entrance opening into the living space, and all rooms accessible from a central area.
A floor plan of a one-bedroom apartment measuring 20 feet by 20 feet, showing a layout with a living/dining area, kitchen with double sink, one bedroom with closet and washer/dryer, and a bathroom with toilet, sink, and shower. The apartment features an efficient square design with the main entrance opening into the living space, and all rooms accessible from a central area.
Floor plan of a 24' x 20'-3" residential unit showing a one-bedroom layout with bathroom, kitchen, and combined living/dining area. The bedroom is located in the lower left with an adjacent closet, while the bathroom with W/D hookup occupies the upper left corner. The kitchen and living/dining space are positioned on the right side of the unit, with two closets (CL) providing additional storage.
Floor plan of a 24' x 20'-3" residential unit showing a one-bedroom layout with bathroom, kitchen, and combined living/dining area. The bedroom is located in the lower left with an adjacent closet, while the bathroom with W/D hookup occupies the upper left corner. The kitchen and living/dining space are positioned on the right side of the unit, with two closets (CL) providing additional storage.
A floor plan of a small residential unit measuring 18 feet wide by 26 feet 8 inches deep, featuring one bedroom with an ensuite bathroom in the upper portion, an open-concept kitchen and living/dining area in the lower portion, and a front porch measuring 18 feet by 4 feet 9 inches. The layout includes two closets (marked as CL), bathroom fixtures, kitchen appliances, and door swing indicators throughout.
Floor plan of a compact one-bedroom apartment measuring 20'-0" by 28'-0". The layout shows a bedroom with closet in the upper right, a bathroom with tub and toilet in the upper left, a washer/dryer (W/D) unit, a kitchen area with sink, and a living/dining space with entry door at the bottom right.
Floor plan of a compact one-bedroom apartment measuring 20'-0" by 28'-0". The layout shows a bedroom with closet in the upper right, a bathroom with tub and toilet in the upper left, a washer/dryer (W/D) unit, a kitchen area with sink, and a living/dining space with entry door at the bottom right.
A floor plan of a narrow rectangular apartment measuring 48'-0" by 18'-0", showing a one-bedroom layout with living area at the left, bathroom and kitchen in the center, and dining area leading to a bedroom on the right. The plan includes two closets (CL), washer (W) and dryer (D) units, and standard bathroom fixtures. The layout demonstrates an efficient use of space in a linear arrangement typical of urban apartment design.
A floor plan of a narrow rectangular apartment measuring 48'-0" by 18'-0", showing a one-bedroom layout with living area at the left, bathroom and kitchen in the center, and dining area leading to a bedroom on the right. The plan includes two closets (CL), washer (W) and dryer (D) units, and standard bathroom fixtures. The layout demonstrates an efficient use of space in a linear arrangement typical of urban apartment design.
A floor plan of a one-bedroom apartment measuring 22'0" by 34'0". The layout includes a combined dining and kitchen area at the top, a living room in the center, one bedroom with a closet on the right side, and a bathroom with porch entry on the left. The apartment features a washer/dryer unit in the porch area and built-in appliances in the kitchen.
A floor plan of a one-bedroom apartment measuring 22'0" by 34'0". The layout includes a combined dining and kitchen area at the top, a living room in the center, one bedroom with a closet on the right side, and a bathroom with porch entry on the left. The apartment features a washer/dryer unit in the porch area and built-in appliances in the kitchen.
A floor plan of a one-bedroom apartment showing a bedroom in the upper left, a living/dining area in the lower portion, a kitchen in the upper right, and a bathroom in the middle left. The layout includes closets (marked as CL), kitchen appliances including a washer (W) and dryer (D), and shows door swing patterns. The apartment dimensions are 22'-0" wide by 42'-8" deep, with an additional 18'-6" projection.
A floor plan of a one-bedroom apartment showing a bedroom in the upper left, a living/dining area in the lower portion, a kitchen in the upper right, and a bathroom in the middle left. The layout includes closets (marked as CL), kitchen appliances including a washer (W) and dryer (D), and shows door swing patterns. The apartment dimensions are 22'-0" wide by 42'-8" deep, with an additional 18'-6" projection.
A floor plan of a small one-bedroom apartment showing the layout with a bedroom in the upper right, a combined kitchen and living/dining area in the center and lower portion, a bathroom with toilet and tub in the upper left, and a porch at the bottom. The kitchen is equipped with appliances along the left wall, and the living/dining space features curved lines indicating door swings. The compact design efficiently uses approximately 25-30 feet of width and depth.
A floor plan of a small one-bedroom apartment showing the layout with a bedroom in the upper right, a combined kitchen and living/dining area in the center and lower portion, a bathroom with toilet and tub in the upper left, and a porch at the bottom. The kitchen is equipped with appliances along the left wall, and the living/dining space features curved lines indicating door swings. The compact design efficiently uses approximately 25-30 feet of width and depth.
A floor plan of a small apartment or living unit measuring 16'-0" by 24'-7". The layout includes a bedroom with closet in the upper right, a bathroom with toilet and sink in the upper left, a combined living/dining area in the center-left, a kitchen with appliances in the lower right, and a porch at the bottom entrance. The rooms are clearly labeled and show doorway swings and basic fixtures.
A floor plan of a small apartment or living unit measuring 16'-0" by 24'-7". The layout includes a bedroom with closet in the upper right, a bathroom with toilet and sink in the upper left, a combined living/dining area in the center-left, a kitchen with appliances in the lower right, and a porch at the bottom entrance. The rooms are clearly labeled and show doorway swings and basic fixtures.
A floor plan showing a rectangular residential layout measuring 31'-0" by 38'-6" with four bedrooms, two bathrooms, a living area, kitchen, walk-in closet, and laundry area with washer and dryer. The plan features an open living space on the left side, with bedrooms arranged on the upper and right portions, connected by a central hallway and utility area. Wall thicknesses, door swings, and fixture placements are clearly indicated in black lines.
A floor plan showing a rectangular residential layout measuring 31'-0" by 38'-6" with four bedrooms, two bathrooms, a living area, kitchen, walk-in closet, and laundry area with washer and dryer. The plan features an open living space on the left side, with bedrooms arranged on the upper and right portions, connected by a central hallway and utility area. Wall thicknesses, door swings, and fixture placements are clearly indicated in black lines.
A floor plan of a residential home measuring 44'-8" wide by 24' deep, showing a three-bedroom, two-bathroom layout. The design includes a master bedroom with en-suite bathroom and closet in the upper left, two additional bedrooms sharing a bathroom in the lower portion, and an open-concept living/dining area with kitchen on the right side. The plan also indicates the locations of a washer and dryer, closets, and doorway swings throughout the space.
A floor plan of a residential home measuring 44'-8" wide by 24' deep, showing a three-bedroom, two-bathroom layout. The design includes a master bedroom with en-suite bathroom and closet in the upper left, two additional bedrooms sharing a bathroom in the lower portion, and an open-concept living/dining area with kitchen on the right side. The plan also indicates the locations of a washer and dryer, closets, and doorway swings throughout the space.
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.
A floor plan showing a small one-bedroom apartment layout with a bedroom in the upper right, a bathroom with toilet and shower in the upper left, and an open-concept kitchen and living/dining area below. The unit includes a porch entrance at the bottom, and the kitchen features standard appliances along the left wall. The layout appears to be approximately 25-30 feet wide, designed for efficient use of space in a compact living arrangement.
A floor plan showing a small one-bedroom apartment layout with a bedroom in the upper right, a bathroom with toilet and shower in the upper left, and an open-concept kitchen and living/dining area below. The unit includes a porch entrance at the bottom, and the kitchen features standard appliances along the left wall. The layout appears to be approximately 25-30 feet wide, designed for efficient use of space in a compact living arrangement.

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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