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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.


  • Non toxic drywall.

  • Hemp insulation.

  • Zero VOC paints & finishes.

  • Screened windows for fresh air cross ventilation.


​Current pricing through 03/30/24

Frame package, permit coordination and submission.

  • 160 sf - STUDIO ($44,500)

  • 744 sf - ONE BEDROOM ($46,800)

  • 1170 sf - 2 BEDROOM ($53,000)


​CA build average price per sqft

  • $500 + per sqft - Traditional

  • $400 + per sqft - Modular

  • $250 -$300 per sqft - Necessary

Necessary Homes estimated completed price includes installation, bathrooms and kitchen, solar, fire, sprinklers, a metal roof and general contractor's fee.


Please note: 

This process requires tight communication. If our messages and questions are answered within a 2-hour window we can keep your job running in lockstep.

  • Step 1

Consultation Call 


  • Step 2

We gather permitting requirements from your municipality for an ADU at your desired location. 


  • Step 3

We refer you to a vetted general contractor in your area. 


  • Step 4

Purchase Kit 50% DEPOSIT REQUIRED to initiate order & begin next steps in permitting process. 


  • Step 5 

We coordinate documents including plans for permitting. 

  • Step 6 

We submit your plans. 


  • Step 7 

As soon as the permit is granted your contractor can begin site work. Then the foundation and rough plumbing can occur. 


  • Step 8 

When the foundation and rough plumbing are complete, your municipality will conduct an inspection. 


  • Step 9

Next is the structural steel installation that your contractor has coordinated. 


  • Step 10

We then require balance of payment prior to shipping. 


  • Step 11

Your frame arrives once the foundation has set. Installation of a frame takes 2-5 days depending on size & is followed by an inspection. 


  • Step 12

As more work occurs a series of inspections occur to ensure your project is complying 

with the building code including plumbing, electrical, fire sprinklers, insulation, & drywall. 


  • Step 13

Next is paint, then doors, floors and baseboards. then your kitchen and bathroom installations can begin including lighting.


Once completed, the project will be inspected for a certificate of occupancy, and then once your permit is issued your Necessary home is move-in ready! 


Please fill out the form below and someone from our team will get in touch with you soon.

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