Tiny House Plan 550 Sq Ft | 1 Bedroom Cottage Blueprint
Build a beautiful 550 sq ft tiny house with this complete 25x22 architectural plan set. This 1 bedroom, 1 bath cottage design features an open kitchen and living area, full bathroom with soaking tub, laundry space, and a 25-foot covered front porch. Perfect for owner builders, ADUs, guest houses, backyard cottages, and Airbnb rentals. Your instant digital download includes print-ready PDF drawings, CAD files, and a complete material list — floor plans, elevations, sections, foundation, framing, electrical, and plumbing — everything you need to get quotes, permits, and start building.
What's included — 23 professional sheets
Every set ships as print-ready PDF and editable CAD, drawn to 2021/2022 IRC standards.
Full specifications
| Plan number | 25187 |
| Style | Home Plan Blueprint |
| Heated area | 550 sq ft (ANSI Z765) |
| Width and depth | 25'x22' |
| Floors | 1 |
| Framing | 2x4 |
| Garage detail | 0 |
| Foundation | Con. slab |
| Design standard | 2021/2022 IRC with amendments |
| Files delivered | Print-ready PDF + editable CAD (.dwg) |
| License | Single-use construction license |
| Delivery | Instant download + email, lifetime re-download |
What will it cost to build?
Pick your state or set your own rate. We'll estimate from this plan's 550 sq ft.
Building codes & your state
Need changes? We modify any plan.
Move a wall. Add a garage. Flip the layout.
Send us your changes — most modification quotes come back within 24 hours.
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