SQ FT

400

BED

1

BATH

1.0

GARAGE

0

FLOORS

1.5

FOUNDATION

Slab/Pier

Plan C-25-186: 20'x20' Modern Tiny Cabin Floor Plan 1 Bed 1 Bath, 400 sq ft

Name: Plan C-25-186: 20'x20' Modern Tiny Cabin Floor Plan 1 Bed 1 Bath, 400 sq ft
Brand: Home Plan DIY
SKU: 25186
Price: 449.0 USD
Availability: InStock

$449.00

PDF + CAD/DWG + RVT + SKP · All formats included

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Compact 20x20 modern cabin plan with 1 bed, 1 bath, open living and kitchen, loft, front deck, and corrugated metal roof. 400 sq ft. PDF and CAD included.

About This Plan

This 20'x20' modern tiny cabin floor plan delivers 400 sq ft of efficiently designed single-floor living space beneath a steep gable roof with cedar tongue and groove ceiling details. The open layout positions the kitchen and living area along one side of the plan, with the bedroom, full bath, closet, and washer/dryer tucked along the opposite wall. Large fixed and sliding windows bring in natural light throughout, and a front deck with stairs extends the usable outdoor living space. The compact footprint makes this plan one of the most accessible and affordable options in the modern DIY home category.

The steep gable roofline gives this cabin a bold, traditional-modern profile that pairs well with its corrugated metal roofing and cedar tongue and groove ceiling. Built on a slab and drilled concrete pier foundation with 2x4 wood framing, this plan is engineered for straightforward DIY construction on a variety of site conditions. The single-story layout keeps building costs low while maximizing the efficiency of every square foot inside.

Whether you are planning a weekend retreat, a starter home, a guest cabin, or a short-term rental, this complete 23-sheet drawing set gives you everything needed to begin construction. Sheets cover the ground floor plan, loft plan, slab layout showing load-bearing walls, sections, ceiling outline, roof outline, all four elevations, kitchen and bath details, rafter details, wall and window details, exterior wall and foundation details, door and window schedule, framing details, electrical plan, plumbing plan, insulation details, and a full material list. Available as an instant PDF and CAD download. Home Plan DIY does not provide engineer-stamped plans. Buyers are responsible for verifying local engineering and code compliance requirements. Some jurisdictions require a licensed architect or engineer to review and seal plans prior to construction.

Details

Heated SQ FT

Total Heated Area 400 sq ft

First Floor 400 sq ft

Bedrooms 1

Full Baths 1

Floors 1.5

Width 20 ft

Depth 20 ft

Height 19 ft 3 in

Foundation Slab/Pier

Main Roof Pitch 9:12

Exterior Framing 2x4

Ceiling Heights

First Floor 9 ft

What's Included in These Plans?

Complete Architectural Floor Plans
Loft & Open Living Space Layouts
Roof, Ceiling & Building Section Drawings
Exterior Elevations from All Sides
Kitchen & Bathroom Construction Details
Door, Window & Opening Schedules
Electrical & Plumbing Layout Plans
Wall, Rafter & Foundation Details
Material List for Construction Planning
Builder-Ready House Blueprints in PDF Format

What's Not Included

Site work, Landscaping, Permits, Utility connections, Appliances, Furniture . Some jurisdictions require a local engineer to review and stamp the plans. Check with your local building department before construction. . Some jurisdictions require a local engineer to review and stamp the plans. Check with your local building department before construction.

Estimated Build Cost

Range

$52,000 to $88,000

Per sq ft

$130 to $220

Final costs may vary significantly based on local market conditions, foundation requirements, utility connections, permits, and customization options. For the most accurate pricing, we recommend sharing the included plans and material list with local contractors or builders for detailed quotations.