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  • From point of purchase, our ADU kits can be permitted & completed in as little as 6 months.

  • A substantial improvement over traditional construction methods, ensuring you enjoy your new living space sooner. 


  • ADU kits include stamped plans for permitting.

  • Recycled steel frame assembly 2-4 days.

  • Eco materials list, specs & vendor contacts.



  • Fire resistant.

  • Water resistant.

  • Pest resistant.

  • Mold resistant.

  • Seismic 4 rating.


We recommend:

  • Non-toxic MGO Panels.

  • Hemp insulation.

  • Zero VOC paints & finishes.

  • Screened windows for fresh air cross ventilation.

  • Sustainable and environmentally friendly home furnishings


​Current pricing through 05/30/24


Necessary Homes ADU KIT price includes the following: steel frame package, stamped full plan sets, permit coordination, submission, and a sustainable materials list with vendor contacts.

  • 480 sf - STUDIO ADU KIT $38,000.                      Est Completed Price from $130,000

  • 682 sf - STUDIO ADU KIT $48,950.                       Est Completed Price from $170,500

  • 990 sf - ONE BEDROOM ADU KIT $52,000.         Est Completed Price from $247,500

  • 1176 sf - TWO BEDROOM ADU KIT $58,000.        Est Completed Price from $284,000

* Necessary Homes estimated completed price is based on the house and foundation only and includes the steel frame, shipping, installation, solar, fire sprinklers, a metal roof, mini-splits, kitchen and baths, and a general contractor's fee. Site preparation, permit fees, and utility fees vary depending on the site. It does not include site work, permit fees, or utility connection fees. 


CA build average price per sqft

  • $500 + per sqft - Traditional

  • $400 + per sqft - Modular

  • From $250 per sqft once completed * - Necessary Home


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