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Treasure Idaho

Home builder

Greencastle Homes

Ada County

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About Greencastle Homes

Greencastle Homes is a Treasure Valley custom home builder delivering thoughtfully designed residences across Ada and Canyon County communities.

2026 Best of Idaho Awards

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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.

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Then look through the cities and the map.