Bright Box Homes
Wood-finish 20x30 expandable home with dark trim.
Delivered brown expandable home with a covered porch among palm trees.

Bright Box Homes

20x30 Expandable Home

600 sq ft of finished living space for growing families.

Starting at $49,995

Flexible Financing Available

The 20x30 expands to 600 sq ft of finished living space - room for multiple bedrooms, a full kitchen, and a comfortable living area. Built on a galvanized steel frame with expandable side sections, it bridges the gap between our compact studios and our largest family homes. Every unit ships standard with a mini-split HVAC system, tankless water heater, induction kitchen, and a covered front porch, with 60+ RAL exterior colors to choose from.

  • Induction stovetop, inlaid
  • Walk-in shower with custom shower head
  • Tankless water heater
  • 24,000 BTU mini-split HVAC
  • Covered front porch with railing
  • Washer/dryer hookups
  • 3/4 HP garbage disposal
  • Dual-pane windows throughout
  • Upgraded 125-amp electrical panel
  • Two external GFCI outlets with metal cover plates
  • GFCI outlets in bathroom and kitchen
  • 60+ RAL exterior color choices

Our flagship line and best value: steel-frame homes that ship compact and unfold on site into fully finished living space. Every Bright Box expandable home arrives move-in ready with a complete kitchen, full bathroom, climate control, and a covered porch - then customizes to your taste with 60+ exterior colors and a full range of interior finishes. Whether it's your first home, an income property, or a backyard ADU, it delivers real-home comfort at a fraction of traditional construction cost.

Exterior

See It From Every Angle

Delivered and ready - a warm-toned home with a covered porch under the palms.
Crisp white finish, set and settled on open rural land.
Two stories, twin balconies, and a backyard made for gathering.
Single-level living with a welcoming covered porch out front.
Compact footprint, full function - complete with its own carport.
Floor-to-ceiling glass glowing against landscaped garden lighting.

Interior

Take a Look Inside

A bright bedroom retreat with a queen bed and oversized windows.
Open-plan living - kitchen and sleeping space that flow together.
A crisp white kitchen finished with a marble backsplash.
Full-size double sink and ample white cabinetry for real cooking.
A spa-style walk-in shower with a rainfall head and marble walls.
A clean, modern bath with a glass shower stall and vanity.
Move-in-ready kitchen cabinetry, counters, and sink included.
A U-shaped kitchen with open shelving and generous prep space.
Light pours in through glass doors over warm vinyl plank floors.
A fully furnished great room - living, dining, and kitchen in one.
Movie nights sorted - a comfortable living area and open kitchen.
A bright sightline from the living space out to the covered porch.
Warm wood-tone walls wrap the kitchen and bath in natural texture.
A curved glass shower and vanity bring a boutique-hotel feel.
White cabinets against a bold black countertop - timeless contrast.
A real hallway connecting multiple private rooms - this lives like a house.

Key Features

Built to a Higher Standard

Galvanized Steel Frame

Built on the same rugged steel structure as shipping containers - engineered to last decades.

Climate Controlled

24,000 BTU 20 SEER mini-split HVAC keeps every room comfortable year-round.

Full Kitchen & Bath

Tankless water heater, induction stove, walk-in shower, and garbage disposal - standard.

60+ Color Options

Choose 60+ RAL exterior colors plus customizable interior walls, floors, and cabinets.

Move-In Ready Wiring

Upgraded 125-amp panel with 110V, 240V, and GFCI outlets pre-installed throughout.

Covered Front Porch

Every model ships with a covered porch and railing - usable outdoor space from day one.

Who It's For

One Home, Many Possibilities

Primary Residence

Full-time, full-comfort living at an affordable price point.

Vacation Home

A turnkey getaway for the lake, mountains, or rural acreage.

Airbnb Rental

A photogenic, income-producing short-term rental unit.

ADU / Guest House

Extra living space for family, guests, or a home office.

Specifications

Footprint
20' x 30'
Area
~600 sq ft
Layouts
Multi-bedroom configurations
Frame
Galvanized steel
Roof
24-gauge corrugated metal
HVAC
24,000 BTU mini-split
Water Heater
Tankless
Exterior Colors
60+ RAL options
Price
$49,995

Construction & Frame

Galvanized Steel Frame - Welded Construction
Precision-Welded Steel Frame Base
Bright Box Homes Production Facility

Upgrades

Customize Your Home

Premium upgrades to make your Bright Box Home uniquely yours.

8000W Solar Inverter: AC Output 8000W, Pure Sine Wave, 120/240V split/single phase, parallel up to 6 units, Max PV Input 500VDC, 92% efficiency, Max Charging 200A, Max PV Array 11,000W, UL1741 ETL. LiFePO4 Battery: 51.2V, 100Ah, 5.12kWh, 7000+ cycle life, RS232/RS485/CAN, 10yr warranty. 415W Solar Panels: Monocrystalline, UL61730/TUV/IEC/CEC/CE, 25yr warranty.

Price: TBD

10000W Pure Sine Wave Inverter, 120/240V split phase, MPPT 125-425VDC, 92% efficiency, 200A max charging, 11,000W PV input, UL1741 ETL, 3yr warranty. Battery: SG48100P LiFePO4, 51.2V, 100Ah, 5.12kWh each, 20.48kWh total, 7000+ cycles, UL1973/CE/UN38.3, 10yr warranty. Panels: 12x 450W bifacial N-type mono (5.4kW total), UL61730/CEC, 12yr product + 30yr performance warranty. Parallel up to 6 inverters.

Price: TBD

Reinforced metal truss system with additional supports rated for roof-mounted solar panel installations. Includes 2 additional trusses for load distribution.

Price: TBD

15,000W dual-fuel (gas/propane), 670cc OHV engine, copper windings, electric push-button start. Outlets: 5x 120V GFCI, 1x 120V 30A, 1x 120/240V 30A twist-lock, 1x 120/240V 50A. Transfer-switch compatible. Digital control panel with voltage, frequency, runtime hours, and maintenance intervals.

Price: TBD

Generac Guardian Series 18kW air-cooled home standby generator. Output: 18,000W on LP / 17,000W on natural gas. G-Force 800 Series 816cc dual-cylinder engine with G-Flex variable speed. True Power Technology (<5% total harmonic distortion). Evolution multilingual LCD controller. Free Mobile Link Wi-Fi remote monitoring. ~65 dBA. 5-year limited warranty. Available with 200A whole-house transfer switch.

Price: TBD

Generac Guardian Series 22kW air-cooled home standby generator (model 7043). Output: 22,000W on LP / 19,500W on natural gas. G-Force industrial-grade engine with pressure lubrication. Includes 200A service-entrance-rated automatic transfer switch. True Power Technology (<5% THD). Wi-Fi / Mobile Link remote monitoring. Aluminum RhinoCoat enclosure rated to 150 mph winds. ~67 dBA with Quiet-Test mode. 5-year limited warranty.

Price: TBD

24,000 BTU inverter heat pump, 20+ SEER2, full DC inverter compressor, R32 or R410A refrigerant, 110V.

Price: TBD

Whole-house radiant heating system installed beneath flooring. Even heat distribution, energy efficient, no forced air.

Price: TBD

Ceiling-mounted air circulator (air mover) engineered to push heated or cooled air from the ceiling back down to floor level. Typical configurations run on 115V/60Hz single phase with multiple speeds and air delivery in the ~3,000 CFM range for residential-scale spaces. Remote-control operation.

Price: TBD

Built-in 5-zone induction cooktop, approximately 7200-7400W total across the five zones, hardwired 220-240V. Ceramic glass surface with sensor touch controls, multiple power levels, child safety lock, and a 1-99 minute timer. Designed for flush/inlaid installation in the countertop.

Price: TBD

Color options: White, Oak, Brown. Compact kitchenette with 2-burner induction stovetop. Includes refrigerator opening (28"W x 64"H x 28"D) and microwave cubby (24"W x 15"H x 18"D). Counter height: 36". Upper cabinets: 30"H x 12"D. Base cabinets: 24"D. Toe kick: 4"H. Fits approximately 90% of standard refrigerators and microwaves without modifications.

Price: TBD

24kW minimum, 240V single-phase, self-modulating, whole-house rated, 4.5-5.5 GPM output, wall-mount.

Price: TBD

Factory-assembled modular shower unit for Assembly Homes. Pre-plumbed, ready for connection.

Price: TBD

Upgraded bathroom vanity with modern fixtures and storage. Multiple style options available.

Price: TBD

Standard metal roof truss system for expandable homes. Provides structural support for standing seam metal roofing.

Price: TBD

Covered patio extension for expanded outdoor living space. Matches home exterior finish.

Price: TBD

Extended deck platform for additional outdoor space. Durable composite construction.

Price: TBD

Ready to Reserve?

Secure your home with a fully refundable $500 deposit. We'll contact you within 24 hours to finalize your configuration.

Reserve Your Home - $500

100% refundable · No obligation · Locks your configuration