Our Price
(for Southern California only)
Our pricing reflects our commitment to affordable housing, aiming to empower more people to own homes more easily and quickly. The listed price pertains to the product only; customers should also consider additional expenses. While we provide an estimated additional cost here, it's essential to note that each property is unique, and additional costs may vary.
Price include: All structural components, bathrooms, kitchens, flooring, and high-end interior finishes.
Price does not include: Local truck transportation from Long Beach Port, air conditioning, appliances, furniture, foundation work, additional roofing, general contractor costs, installation, crane expenses, and permit application fees.
We currently only offer B.box 300, B.box 600 and B.box 900 to Southern California. Other models are currently unavailable.
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B.box 300
Size: 342.8 square feet, featuring 1 bedroom, 1 bathroom, and a combined living, dining, and kitchen area.
Price: $98,000 ($286/sf)
Promotional Price: $88,000 (before July 1, 2024)($257/sf)
B.box 600
Size: 685 square feet, featuring 2 bedrooms, 1 bathroom, and a combined living, dining, and kitchen area.
Price: $188,000 ($274/sf)
Promotional Price: $169,000 (before July 1, 2024)($246/sf)
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B.box 900
Size: 969 square feet, featuring 3 bedrooms, 2 bathrooms, and a combined living, dining, and kitchen area.
Price: $288,000 ($297/sf)
Promotional Price: $258,000 (before July 1, 2024)($266/sf)
Additional Cost (estimated)
Estimated Additional Costs:
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Customers will be responsible for covering the actual costs associated with the following:
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Foundation: $10,000-$15,000 (depending on property and location).
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Transportation from Long Beach Port: $6,000-$15,000 (includes oversize permit and transportation).
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Installation: $5,000.
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Crane Cost: $10,000 - $40,000 (varies based on the distance and accessibility of the house and building site).
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Roof (if local city requires the same style as the main house): $10,000-$15,000.
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Permit Cost: $5,000-$10,000 (depending on the city).
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General Contractor (GC) Cost: $5,000 - $10,000.
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The total estimated additional cost will range from $51,000 to $110,000. (CA government has ADU grant for $40,000 for permit and building costs.)
Order/Building Process
Order and Building Process:
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Customer submits an online order with detailed property information and a $100 fully refundable deposit. B.box service team confirms with the customer within 2 days to assess the property's suitability for building an ADU and provides a detailed contract.
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Customer reviews and signs the contract, making a 10% first-term payment. The first-term payment is refundable within 2 weeks.
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Customer collaborates with a local General Contractor (GC) for the ADU permit in their city, with B.box assisting in finding and working with the GC for the permit application. The permit application typically takes 60-120 days.
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After permit approval, the customer pays the remaining 90% payment. B.box works with the GC and customer to set a delivery date. On-site installation is completed in one day.
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Post-installation, the city conducts an on-site inspection, marking the completion of the entire process.
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The customer enjoys a 5-year warranty on all interiors and a 10-year warranty on the structure, formalized through a signed warranty contract.