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Treasure Idaho
A home by Core Building Co.

Home builder

Core Building Co.

Ada County9 communities

  • Single Family Detached

About Core Building Co.

At Core Building Co., our homes stand on more than a foundation—they’re built on trust, quality, and integrity. These values guide everything we do, from our transparent communication to the precise craftsmanship in each project. We believe that by showing up, being honest, and using only the best materials, we create not just houses but lasting homes designed with your family’s future in mind.

Communities by Core Building Co.

2026 Best of Idaho Awards

Core Building Co. is on the ballot

Idaho neighbors are voting now. Ask your customers to vote for you.

See the Best of Idaho Awards →

Where they build

  • Avalon
  • Communities

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Moving guide

Moving to Idaho

A short guide from Treasure Idaho: regions, seasons, jobs, new-home communities, and the questions worth asking before you pick a town. Download it, then poke around the cities and the map.

Then look through the cities and the map.