400 Sq Ft House Plans | Buy 400 Sq Ft Tiny House Floor Plans - Monster House Plans

New plans now available on

dreambook-head-logo See all available plans

You found 88 house plans!

icon icon

400 Square Foot House Plans

Looking for a cozy and efficient living space? Our collection of 400 square foot house plans offers well-designed layouts that maximize every inch. These compact designs are perfect for minimalist living, guest houses, or rental properties. Each plan features thoughtful room arrangements, built-in storage solutions, and open concepts that make small spaces feel larger. Browse our selection of 400 sq ft tiny house floor plans that combine functionality with comfort, ideal for budget-conscious builders and those seeking a simpler lifestyle.

icon
Traditional Style Floor Plans Plan: 52-293
Plan # 52-293
Specification
  • 1 Stories
  • 2 Garages
  • 480 Sq.ft
FULL EXTERIOR MAIN FLOOR
Traditional Style Floor Plans Plan: 77-432
Plan # 77-432
Specification
  • 1 Stories
  • 442 Sq.ft
FULL EXTERIOR MAIN FLOOR
icon
Contemporary Style Floor Plans Plan: 5-1300
Plan # 5-1300
Specification
  • 1 Stories
  • 1 Garages
  • 432 Sq.ft
FULL EXTERIOR MAIN FLOOR
icon
Traditional Style Home Design Plan: 5-1340
Plan # 5-1340
Specification
  • 1 Stories
  • 1 Garages
  • 448 Sq.ft
FULL EXTERIOR REAR VIEW MAIN FLOOR
Traditional Style Floor Plans Plan: 17-918
Plan # 17-918
Specification
  • 1 Stories
  • 1 Garages
  • 484 Sq.ft
FULL EXTERIOR REAR VIEW MAIN FLOOR
Traditional Style House Plans Plan: 40-103
Plan # 40-103
Specification
  • 2 Stories
  • 1 Beds
  • 1 Bath
  • 2 Garages
  • 434 Sq.ft
FULL EXTERIOR REAR VIEW MAIN FLOOR UPPER FLOOR
Cape-Cod Style Home Design Plan: 41-104
Plan # 41-104
Specification
  • 2 Stories
  • 2 Bath
  • 2 Garages
  • 478 Sq.ft
FULL EXTERIOR MAIN FLOOR UPPER FLOOR
Traditional Style Floor Plans Plan: 5-505
Plan # 5-505
Specification
  • 1 Stories
  • 1 Garages
  • 480 Sq.ft
FULL EXTERIOR MAIN FLOOR
Traditional Style Floor Plans Plan: 65-112
Plan # 65-112
Specification
  • 1 Stories
  • 2 Garages
  • 400 Sq.ft
FULL EXTERIOR MAIN FLOOR
icon
Contemporary Style Floor Plans Plan: 5-1301
Plan # 5-1301
Specification
  • 1 Stories
  • 2 Garages
  • 480 Sq.ft
FULL EXTERIOR MAIN FLOOR
Traditional Style Home Design Plan: 40-104
Plan # 40-104
Specification
  • 2 Stories
  • 1 Bath
  • 2 Garages
  • 434 Sq.ft
FULL EXTERIOR REAR VIEW MAIN FLOOR UPPER FLOOR
Mountain-or-Rustic Style House Plans Plan: 17-898
Plan # 17-898
Specification
  • 1 Stories
  • 2 Garages
  • 400 Sq.ft
FULL EXTERIOR REAR VIEW MAIN FLOOR
icon
Traditional Style Floor Plans Plan: 104-250
Plan # 104-250
Specification
  • 2 Stories
  • 2 Garages
  • 486 Sq.ft
FULL EXTERIOR MAIN FLOOR UPPER FLOOR
Country Style House Plans Plan: 85-447
Plan # 85-447
Specification
  • 1 Stories
  • 1 Garages
  • 450 Sq.ft
FULL EXTERIOR MAIN FLOOR
icon
Traditional Style Home Design Plan: 5-1011
Plan # 5-1011
Specification
  • 1 Stories
  • 1 Garages
  • 480 Sq.ft
FULL EXTERIOR MAIN FLOOR
Traditional Style Home Design Plan: 87-270
Plan # 87-270
Specification
  • 2 Stories
  • 2 Garages
  • 444 Sq.ft
FULL EXTERIOR MAIN FLOOR UPPER FLOOR
Country Style Home Design Plan: 6-1909
Plan # 6-1909
Specification
  • 2 Stories
  • 1 Beds
  • 1 Bath
  • 2 Garages
  • 443 Sq.ft
FULL EXTERIOR MAIN FLOOR UPPER FLOOR
Country Style Floor Plans Plan: 77-560
Plan # 77-560
Specification
  • 2 Stories
  • 1 Beds
  • 1 Bath
  • 2 Garages
  • 438 Sq.ft
FULL EXTERIOR MAIN FLOOR UPPER FLOOR

Need Some Quick Tips Or Advice?

We want to help you design the house of your dreams as best as we can. If you can't find the answers you're looking for here, get in touch with our licensed architect or a designer!