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3-Story Beach Duplex (House Plan)

Check out this apartment-like house, perfect for business! This is also perfect for a multi-family home, and a vacation for your relatives, Make this plan yours!

3,702 2-4

Welcome to our flexible coastal duplex house plan. This house is a three story with 2 units, car garage, foyer, 3 bedrooms, unfinished attic and balcony. Below are floor plans, additional sample photos, and plan details and dimensions.

Floor Plan

Basement

Main Level

2nd Floor

3rd Floor

Additional Floor Plan Images

The finished look of the 3 floors duplex with an attic, balcony and car garage can bee seen in the picture.

The finished look of the 3 floors duplex with an attic, balcony and car garage can bee seen in the picture.

Rough Sketch of the front part of the duplex.

Rough Sketch of the front part of the 3-Story Beach Duplex Home.

The back part rough sketch.

The back part rough sketch 3-Story Beach Duplex Home.

Plan Details

Dimensions

Width: 40′ 0″
Depth: 36′ 0″
Max ridge height: 43′ 7″

Garage

Type: Drive Under
Area: 970 sq. ft.
Count: 2, 3, or 4 Cars
Entry Location: Front

Ceiling Heights

Lower Level /
8′ 0″
First Floor /
9′ 0″
Second Floor /
8′ 0″

Roof Details

Primary Pitch: 10 on 12
Secondary Pitch: 6 on 12

Dimensions

Width: 40′ 0″
Depth: 36′ 0″
Max ridge height: 43′ 7″

Garage

Type: Drive Under
Area: 970 sq. ft.
Count: 2, 3, or 4 Cars
Entry Location: Front

Ceiling Heights

Lower Level /
8′ 0″
First Floor /
9′ 0″
Second Floor /
8′ 0″

Roof Details

Primary Pitch: 10 on 12
Secondary Pitch: 6 on 12

View More Details About This Floor Plan

Plan 31505GF

This beach duplex design features three stories of living space over a garage and a guest apartment on the ground floor. The total square footage for each apartment is 1,851; this includes 235 on the basement level, 600 on the main level, 600 on the second level, and 416 on the third level.

The 120 square foot size of each balcony on the second and third stories.
The second master bedroom is located on the roof and is illuminated by a shed dormer. You can finish the rest of the attic when you’re ready.