Tiny House Plans 21 X 21

Tiny House Plans 21 X 21

Tiny House Plans 21 X 21 Modern Cabin Plans | Small House Plans & Cottage House Plans | Vacation Home | Easy Build | Modern House ADU Plans

Are you looking for a stylish yet compact home that combines modern aesthetics with functional living? The Tiny House Plan 2503 is the perfect solution. This 21' x 21' modern cabin is designed for those who seek a cozy, efficient space that maximizes comfort while minimizing its footprint. Whether you need a vacation home, an accessory dwelling unit (ADU), or a compact living solution, this design offers everything you need.

A Thoughtfully Designed Modern Tiny Home

With a 441 SQFT living area and an additional 147 SQFT uncovered deck, this small house plan provides a well-balanced layout that ensures every square foot is used efficiently. Large windows allow for ample natural light, creating an open and airy ambiance. Whether you plan to use it as a getaway retreat or a full-time residence, this design offers a stylish yet practical living environment.


Key Specifications:

  • Bedrooms: 2
  • Bathrooms: 1
  • Living Area: 441 SQFT
  • Uncovered Deck: 147 SQFT
  • Total Footprint: 588 SQFT
  • Lot Coverage: 588 SQFT
  • Unheated Area (Decks): 147 SQFT

Room Dimensions:

  • Kitchen: 125 SQFT
  • Living Room: 125 SQFT
  • Loft: 75 SQFT
  • Bathroom: 50 SQFT
  • Bedroom: 53 SQFT
  • Closet: 12 SQFT

Included Drawings:

This tiny house plan comes with detailed architectural and structural drawings to make the building process seamless and straightforward.

  • A0.1 – Project Overview
  • A0.2 – General Notes
  • A1.1 – Architectural Floor Plan
  • A1.2 – Foundation Plan & Slab
  • A1.3 – Wall Layout Plan
  • A1.4 – Ceiling & Roof Plan & Framing
  • A2.1 – Elevation
  • A3.1 – Section
  • A4.1 – Door & Window Schedule
  • A4.2, A4.3, A4.4 – Join Details
  • A5.1 – Kitchen Details
  • A5.2 – Bathroom Details
  • E1.1 – Electrical Plan
  • P1.1 – Plumbing Plan
  • M1.1 – Material Info

Why Choose This Tiny House Plan?

Modern & Efficient Design – Optimized for both comfort and space efficiency.
Versatile Usage – Ideal for a vacation home, ADU, rental, or a full-time residence.
Energy-Efficient Features – Well-insulated design for year-round comfort.
Easy-to-Build – Simple construction details make it accessible for DIYers or professional builders.


Important Notes:

⚠️ Digital Download Only – No physical printed plans included.
⚠️ Code Compliance – Always consult with a licensed builder or architect to ensure compliance with local regulations.
⚠️ For Personal Use Only – Redistribution or resale is strictly prohibited.
⚠️ No Returns – Due to copyright laws, all sales are final.


Your Dream Tiny Home Awaits!

This 21' x 21' modern cabin plan is perfect for those looking for a compact yet stylish home. Whether you want a vacation retreat, a rental property, or an affordable tiny home, this plan provides everything you need to get started.

Start your journey toward minimalist, efficient, and beautiful living today!