Barndominium Floor Plans in Oregon
Two ways to browse: by footprint, if you already know roughly what size you want, or by feature, if a specific porch, loft, or shop configuration is what's actually driving the decision. Every page here works through the Oregon code, land-use and septic questions that shape that plan, not a template with a dimension swapped in.
Custom or stock barndominium floor plans?
A stock plan is a layout drawn once and sold many times. A custom plan is drawn around your program and your parcel. Both end up in the same place in Oregon: a permit set reviewed for one specific site.
Stock plans
Quick to choose and easy to picture, and a good way to settle the room list. But a stock plan is drawn for no particular site. Before it can be permitted in Oregon it still has to be checked against the snow load set for your site, the energy chapter of the Oregon Residential Specialty Code, an escape window in every bedroom, and a septic system sized for the bedrooms it shows. Expect to adapt it.
Custom plans
Drawn to your program and your land: which way the view and the weather come from, where the ground slopes, how big the shop bays are, whether a covered porch faces the rain on the west side or shades the afternoon sun east of the Cascades. The code questions are answered once, for your site, as the plan is drawn. See custom barndominium plans.
Most owners land in between: start from one of the plans below, then change it until it fits the parcel. Whichever route you take, the land comes first. On land zoned for exclusive farm use, a house needs a county land-use approval before any floor plan can be permitted, under ORS 215.283 and 215.284, and on rural residential land a second home is capped at 900 square feet of usable floor area where the county allows one under ORS 215.495. If you want the shell supplied as a package, see barndominium kits.
- Small plans and the rural second-home size cap
- Lofts, mezzanines and the 2026 sleeping-loft rule
- Shops, home businesses and farm-zone limits
- Snow load for your site on a 40-foot clear span
Sources: ORS chapter 215 · Oregon Building Codes Division, adopted codes · OAR 340-071
By footprint
Start here if you already have a sense of the size. Each page covers what that footprint means for the frame, the insulation and the rooms, not just a floor plan sketch.
40' x 60' · 2,400 sq ft
40x60 Barndominium
40x60 barndominium floor plans for Oregon: 2,400 sq ft layouts, how the ORSC sets snow load for your site, slab-edge insulation and roof pitch.
Read more30' x 40' · 1,200 sq ft
30x40 Barndominium
30x40 barndominium floor plans for Oregon: 1,200 sq ft layouts, why it is too big for a rural ADU, septic sizing and insulating a compact steel house.
Read moreGot a footprint in mind? Tell us the program and we will draw it to your land.
By feature
Start here if a specific feature, a porch, a loft, a shop configuration, is what's actually shaping the decision, more than the exact dimensions are.
Small Barndominium
Small barndominium floor plans for Oregon: one- and two-bedroom layouts, the rural ADU size cap, vaulted-ceiling insulation and septic sizing.
Read more2-Story Barndominium
2-story barndominium floor plans for Oregon: the ORSC stair dimensions, upstairs egress windows, ceiling insulation and a tall wall in wet weather.
Read moreBarndominium with a Shop
Barndominium with shop floor plans for Oregon: bays sized for rural equipment, the garage wall rules, shop drains and septic, and home-business limits.
Read moreModern Barndominium
Modern barndominium floor plans for Oregon: window walls under the ORSC energy table, deep overhangs for rain, and ember-resistant details where adopted.
Read moreLuxury Barndominium
Luxury barndominium floor plans for Oregon: vaulted great rooms under the ORSC 50 percent rule, primary suites, covered outdoor rooms and tight houses.
Read more3-Bedroom Barndominium
3 bedroom barndominium floor plans for Oregon: split-bedroom layouts, egress windows, and why the bedroom count on the plan sizes the septic system.
Read more4-Bedroom Barndominium
4 bedroom barndominium floor plans for Oregon: where a fifth bedroom raises the septic tank minimum, egress windows and one- or two-storey layouts.
Read moreBarndominium with a Garage
Barndominium floor plans with a garage for Oregon: the ORSC separation wall, a sloped garage floor, heated detached garages and apartments above.
Read moreBarndominium with a Wrap-Around Porch
Wrap-around porch barndominium plans for Oregon: rain cover, escape windows under the porch roof, snow on low roofs and wildfire rules where adopted.
Read moreBarndominium with a Loft
Barndominium floor plans with a loft for Oregon: sleeping lofts under the 2026 ORSC rule, mezzanines, full upper floors, stairs and ceiling heights.
Read moreBarndominium with a Basement
Barndominium floor plans with a basement for Oregon: counties where radon standards apply, basement egress, below-grade insulation and wet soils.
Read moreNone of these exactly right? They are starting points, not a catalogue. We draw to your program.
Don't see exactly what you're picturing?
These pages cover the sizes and features people ask about most, not every possible combination. Tell us what you have in mind and we'll tell you honestly what it takes to build it.