Plan 28941JJ 420 Square Foot ADU with 2-Car Garage

420 Square Foot ADU with 2-Car Garage

Plan 28941JJ

  • 420

    Heated s.f.

  • 1

    Beds

  • 1

    Baths

  • 1

    Stories

  • 2

    Cars

  • The traditional exterior of this 420 square foot ADU makes it a great addition to any home or lot.
  • A hip and valley roof rests atop the 2-car garage and rear-attached studio apartment.
  • On the left elevation, discover 2 man doors, side by side; one provides access to the double garage, and the other leads to the studio apartment.
  • The apartment includes a total of 420 square feet of heated living space with a full bath, walk-in closet, and corner kitchen.
  • The concrete slab is on CMU frost footings.

The plans include: 


Cover Sheet
Fully dimensioned floor plan
Elevations
Cross Sections/ Garage elevations when available
Foundation Plan
Roof Plan
Lighting layout
3D Interior Drawings

The following details are NOT included in the plans:

  • Architectural or Engineering Stamp - handled locally if required
  • Site Plan - handled locally when required
  • Mechanical Drawings (location of heating and air equipment and duct work) - your subcontractors handle this
  • Plumbing Drawings (drawings showing the actual plumbing pipe sizes and locations) - your subcontractors handle this
  • REScheck or other energy related calculations are NOT included.
  • Wind load or seismic calculations are NOT included. 
  • Framing plans or beam sizes are NOT included.
  • Other specific drawings that your local permit office may require

Floor Plan

NOTE:
If you want to purchase this plan in reverse, please select "readable reverse" or "mirror reverse" under Options above.
420 Square Foot ADU with 2-Car Garage - 28941JJ floor plan - Main Level

Plan details

Architectural Style

Special features

Plan Collections

420 Square Foot ADU with 2-Car Garage

  • 420

    Heated s.f.

  • 1

    Beds

  • 1

    Baths

  • 1

    Floors

  • 2

    Car garage

Buy This Plan
  • PDF - Single-Build $695
  • View all purchase option online

About This Plan

  • The traditional exterior of this 420 square foot ADU makes it a great addition to any home or lot.
  • A hip and valley roof rests atop the 2-car garage and rear-attached studio apartment.
  • On the left elevation, discover 2 man doors, side by side; one provides access to the double garage, and the other leads to the studio apartment.
  • The apartment includes a total of 420 square feet of heated living space with a full bath, walk-in closet, and corner kitchen.
  • The concrete slab is on CMU frost footings.

Floor Plans

  • Main Level

Plan Details

Square Footage Breakdown

  • Total Heated Area: 420 sq. ft.
  • 1st Floor: 420 sq. ft.

Beds/Baths

  • Bedrooms: 1
  • Full bathrooms: 1

Foundation Type

    • Standard Foundations: Slab

Exterior Walls

  • Standard Type(s): 2x4

Dimensions

  • Width: 23' 2"
  • Depth: 40' 7"
  • Max ridge height: 13' 7"

Garage

  • Type: Detached
  • Area: 518 sq. ft.
  • Count: 2 Cars
  • Entry Location: Rear, Side, Front

Ceiling Heights

  • Floor / Height: First Floor / 9' 0"

Roof

  • Primary Pitch: 4 on 12
  • Framing Type: Stick