Is Garden City part of Boise?

No. Boise nearly surrounds it, but Garden City is its own incorporated city with its own government.

What ZIP code is Garden City?

Garden City uses 83714 and 83703.

Garden City surrounds it, but the Expo Idaho grounds are technically unincorporated Ada County.

If the home is in the mapped floodplain and you're using a federally backed mortgage, yes. Check the specific address before you make an offer.

Dave Carney, REALTOR®Nov 3, 2026 · 4 min read

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