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Preliminary Planning

Get a preliminary cost range.

Choose a project type and a few basics to see a low-to-high construction cost range right away. It is a starting point for a conversation, not a bid.

Project type

Between 300 and 1,000 sq ft.

Finish level

Solid, well-chosen basics: quartz or laminate counters, flat-panel cabinets, painted trim, and durable plank flooring.

A step up throughout: quartz counters, tile backsplash, taller cabinets, engineered hardwood, and upgraded fixtures and lighting.

Custom-level detail: natural stone or premium quartz, custom cabinetry, hardwood or large-format tile, and designer fixtures throughout.

Estimated construction cost

$180,000 to $210,000

Low to high, based on the selections above.

Plus utility connections, impact fees and permits — we’ll price these for your lot.

Talk to Fortis about this projectCall (208) 631-6067

Get a detailed budget

This is a preliminary estimate, not a bid.

The range reflects typical Fortis projects in Boise and the Treasure Valley at the selections you chose. Real costs depend on the property, the design, and current material and labor pricing. A detailed budget comes from a conversation about your specific project.

What this includes

  • Construction of the home or ADU itself: foundation, structure, exterior, roofing, windows, and doors.
  • Mechanical, electrical, and plumbing systems inside the building.
  • Interior finishes at the selected finish level.
  • Builder coordination and construction management.

What this excludes

  • Land or lot purchase.
  • Architecture, engineering, surveys, and permit fees.
  • Utility connections and extensions beyond the building, including impact and connection fees.
  • Site work beyond the selected site condition, such as demolition, retaining walls, or unusual soils.
  • Landscaping, driveways, fencing, and outdoor structures.
  • Furnishings, appliances beyond the finish level, and sales tax where applicable.