Expandable Tiny House (309 sq ft) – 2 Bedrooms, Kitchen & Bathroom, Steel Frame Design
1 / 8

Expandable Tiny House (309 sq ft) – 2 Bedrooms, Kitchen & Bathroom, Steel Frame Design – 309 Sq Ft Tiny House for Sale in Boulder, Colorado

$20,850
29
Beds
2
Bath
1
Sq ft
309
Length
15 ft

Description

Compact Yet Spacious 15FT Expandable Tiny Home

This portable and foldable mobile home offers a 309 sq ft layout, thoughtfully designed to balance comfort and efficiency. Whether you’re downsizing, setting up a backyard ADU, or searching for a mobile living solution, this model combines style and practicality for modern living.

Practical Layout

  • Two Bedrooms: Space for family, roommates, or guests.
  • Living Room: Central gathering space to relax or entertain.
  • Kitchen: Fully equipped with cabinets, sink, taps, and plumbing for hot and cold water.
  • Bathroom: Includes shower, sink, toilet, mirror, and storage cabinets. Designed with a separated wet and dry area for added convenience.

Built to Last

  • Steel Frame: Q235 galvanized steel frame with sturdy square tube construction.
  • Insulation: 75mm fireproof EPS sandwich walls with glass silk wool for excellent thermal control and soundproofing.
  • Roof & Floor: 50mm fireproof EPS roof panels and 15mm fire-resistant cement fiber board flooring.
  • Windows & Doors: Double-glazed PVC sliding windows with secure aluminum alloy frames and locking steel doors.

Safety Features

  • Fireproof: Class A fire rating.
  • Weather-Ready: Wind resistant up to level 11, seismic resistance up to level 10, and waterproofed exterior panels.
  • Customizable: Exterior and color options can be tailored to your preference.

Easy Installation

Engineered for quick setup in about 10 minutes with basic tools and a small crew. Its expandable design saves time, labor, and material costs. Perfect for urban infill, remote sites, or temporary housing solutions.

Specifications

Technical Specifications
Dimensions (L × W × H)180 in × 247 in × 97.56 in (~15 ft × 20.6 ft × 8.1 ft)
Living Area309 sq ft
Bedrooms / Bathrooms2 / 1
Weight1,270 lb
StyleModern Cottage
MaterialsSteel, EPS sandwich panels, cement fiber board

Warranty & Support

Covered by Amazon’s 30-day voluntary return guarantee and backed by manufacturer’s warranty. Includes electrical wiring, plumbing hookups, and installation instructions.

Perfect For

  • Compact family living
  • Backyard ADU or guest house
  • Seasonal cabins or vacation homes
  • Temporary or mobile residences

Property details

Bedrooms
2
Bathrooms
1
Square feet
309 sq ft
Length
15 ft
Width
20.6 ft
Height
8.1 ft
Weight
1,270 lbs
Days on site
657

Features and amenities

  • Expandable 15FT design with 309 sq ft living space
  • Two bedrooms and central living room
  • Fully equipped kitchen with cabinets and plumbing
  • Bathroom with shower, sink, toilet, and storage
  • Galvanized steel frame with square tube construction
  • 75mm EPS sandwich insulated walls
  • Fireproof Class A rating
  • Wind resistant to level 11 and seismic resistant to level 10
  • Quick setup in ~10 minutes
  • Customizable colors and finishes

Delivery

Delivery available

Ships via Amazon freight. Requires flat site and basic crew for assembly. Forklift or crane may be recommended for easier placement.

Price history

Price history for Expandable Tiny House (309 sq ft) – 2 Bedrooms, Kitchen & Bathroom, Steel Frame Design
DatePriceChange
Jan 16, 2025$20,850Listed

Compare local builders if you'd rather custom-build — open a profile for contact details, models, and reviews.

Selling a tiny house? It's free to list with no commission. List your tiny house