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Talk to a Specialist →The community itself, briefly
Four Seasons in Nampa is a roughly 75-home 55+ community in Canyon County, priced generally in the $300K–$450K range with HOA around $135/month. It doesn't try to be Ada County's Trilogy or a resort-scale development — it's the value tier of the Treasure Valley 55+ market, and it delivers exactly that: a straightforward 55+ community experience at a lower price point than Boise-area alternatives, without the amenity scale of a larger master-planned community.
Idaho Homestead Exemption — you must apply, it does not happen on its own
Idaho's homestead exemption reduces taxable value by 50%, capped at $125,000, but only after you file with the Canyon County Assessor following closing. On a $500K home, this saves roughly $850–$950/year — money left on the table by any buyer who assumes it's automatic. It does renew automatically once filed, so this is a one-time task, not an annual chore, but skipping it in year one means overpaying with no way to retroactively recover it.
The $95,870 retirement income deduction most buyers have never heard of
Married filers 65+ can deduct up to $95,870 in qualified retirement income from Idaho state tax, and Social Security is fully exempt regardless of income. Combined, most retired couples moving here end up paying zero Idaho state income tax — a fact that rarely factors into how buyers compare Idaho to their current state, but that materially changes the true retirement math versus states that tax retirement income or Social Security.
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All-in monthly cost — $375K Four Seasons home
What the low price actually trades off
Nampa's lower home prices and Canyon County's lower effective tax rate compared to Ada County are the two structural reasons this community undercuts Boise-area 55+ options. What you give up is scale — at roughly 75 homes, this isn't a community with the amenity density of Trilogy or a large master-planned development. For buyers on a fixed income who want the 55+ community structure without premium pricing or a resort-scale commitment, that trade is often exactly the point. For buyers who specifically want Trilogy's amenity scale, this isn't a substitute — it's a different product entirely.
Don't skip the paperwork
Neither the homestead exemption nor the retirement income deduction happens automatically. Both require you to actually file — the exemption with the Canyon County Assessor, the deduction on your Idaho state return. Buyers who assume Idaho's low-tax reputation applies without any action on their part are the ones who end up paying more than they needed to in year one.
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