California Tiny House Element 20: A Modular 8×18 Shell You Build Up From

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The Element 20 from California Tiny House in Fresno is a different kind of tiny house. Instead of a fully finished, one-size-fits-all model, it’s a finished shell on an 8-by-18-foot trailer that you can build up from there. Kitchens, bathrooms, storage, and utilities come as pre-designed options you add as needed. That makes it a flexible starting point for a backyard studio, an office, a guest cabin, or a whole cluster of units for a resort or workforce housing.

Official California Tiny House Element 20 top-down floorplan drawing in blue: 8x18 trailer envelope with living layout and hitch
California Tiny House drawings / californiatinyhouse.com

A Modular Building Block

California Tiny House named the Element for its role as both shelter from the elements and a basic building block. The structure comes fully built, with about 160 square feet of living space, a standing-seam steel roof, white vinyl dual-pane low-E tempered windows, fiberglass batt insulation, and a warm natural birch interior on the walls and ceiling with LVP flooring.

From there, you pick what you need. The floor plan shows how a bathroom and kitchen can fit at the hitch end, leaving the rest of the space open, but every one of those features is optional. That’s what makes the Element useful for so many different jobs. A simple office or studio might need almost nothing added, while a full-time home would add the kitchen, bathroom, water, and climate control.

Built for One Unit or Many

The builder designed the Element to work just as well as a single backyard unit as in groups. Because every unit shares the same base, it’s a practical choice for glamping resorts, cabin-style rentals, or workforce housing, where a developer wants a row of matching, easy-to-customize homes.

Design Details

  • Builder: California Tiny House, Fresno, California
  • Model: Element 20
  • Trailer: 8′ x 18′; about 25′ overall including bump-outs and utilities
  • Living space: about 160 sq ft
  • Weight: about 8,500 lbs
  • Exterior: standing-seam steel roof; white vinyl dual-pane, low-E, tempered windows
  • Interior: natural birch walls and ceiling, LVP flooring, LED lighting
  • Insulation: fiberglass batt
  • Optional add-ons: kitchen, bathroom (shower and toilet), cabinets, countertops, appliances, water and waste connections, water heater, climate control, propane, and a solar package
  • Starting price: $43,450 for the base shell; options are extra

What It Costs

California Tiny House lists the Element 20 at a starting price of $43,450 (checked October 24, 2026). That buys the finished shell: trailer, framing, insulation, roof, windows, and the birch interior. The kitchen, bathroom, water and waste hookups, water heater, climate control, propane, and solar package are all priced as options, so a fully equipped version will cost noticeably more than the base number. Ask the builder for a written quote with your exact options, plus delivery from Fresno.

Before You Buy

  • Towing: at roughly 8,500 lbs, this is a heavy-duty-truck tow or a professional delivery, not something for a half-ton pickup.
  • Utilities: if you only plan an office or studio, a simple power hookup may be enough. A full-time home needs water, waste, and heating and cooling planned from the start.

What Makes This Build Special

  • You start with a finished structure and only add what you need.
  • Works as a studio, office, guest cabin, or full tiny home.
  • Designed to scale from one unit to a whole resort or housing project.
  • A warm natural birch interior and a durable standing-seam steel roof.

California Tiny House has been featured on Tiny House Talk before. See their Callisto, a single-level 10-foot-wide tiny house, and the larger Vesta 32.

Learn More

Element 20 by California Tiny House
Model page: californiatinyhouse.com/tiny-houses/element-20
All models: californiatinyhouse.com/tiny-houses
Instagram: @californiatinyhouse
sales@caltiny.com · 559-316-4500
3630 N. Hazel Ave., Fresno, CA 93722
Drawings: California Tiny House. Pricing as listed on californiatinyhouse.com in October 2026.

Highlights

  • Modular tiny house shell on an 8′ x 18′ trailer by California Tiny House
  • About 160 sq ft of living space
  • Natural birch interior and standing-seam steel roof
  • Kitchen, bath, utilities, and solar available as add-ons
  • Works as a studio, office, guest cabin, or home
  • Built to scale for resorts and workforce housing

Explore More

Would you start with a simple shell and add features over time, or buy a tiny house fully finished from day one?


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Disclosure: This post may contain affiliate links. If you purchase through one of our links, we may earn a commission at no additional cost to you.

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Alex

Alex Pino is the founder of Tiny House Talk, a leading resource on tiny homes and simple living since 2009. He helps readers discover unique homes, connect with builders, and explore alternative living.

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