16' x 20' Redwood Cabin Loft DIY Build Plans

16' x 20' Redwood Cabin Loft DIY Build Plans

These DIY build plans for the 16' x 20' Redwood Cabin give you a complete, buildable design for a one-bedroom cabin with loft — compact enough for a small lot, but comfortable enough for extended stays. At an estimated materials cost starting around $5,500, this is one of the most cost-efficient cabin builds available.

The Redwood's clean gable roofline and efficient floor plan make it a favorite among first-time owner-builders. The loft above adds sleeping space without increasing the footprint, keeping your build cost and foundation work minimal. Whether you're putting this on a hunting property, a rural lot, or a backyard retreat, the concrete pier foundation adapts to uneven ground with ease.

Plan Specifications

• Footprint: 16' W x 20' L
• Height: 14'-11"
• Floor Area: 320 SF + loft
• Bedrooms: 1 + loft
• Bathrooms: 1
• Foundation: Concrete piers
• Roof Load: 105 PSF
• Ceiling Height: 8'-0"
• Est. Materials Cost: From $5,500

What's Included

Complete permit-ready plan set including: floor plan, foundation plan, roof framing plan, all four exterior elevations, building sections, structural details, window and door schedule, and a full materials list. Everything your builder or building department needs in one download.

Who This Plan Is For

Ideal for DIY builders, hunters, weekend cabin owners, and anyone wanting to build a small cabin without hiring an architect. The straightforward framing and minimal foundation make this one of the easiest plans in our catalog to execute. Designed to meet standard US building codes and suitable for permit submission in most jurisdictions.

Instant Download

Purchase and download immediately. Print locally or send the PDF directly to your builder or building department.