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Talk to a Specialist →| Factor | Boise ID | Nashville TN |
|---|---|---|
| State income tax | ID: 5.8% flat — but $95,870 married deduction + SS exempt = $0 for most | TN: Zero on all income |
| Income tax for typical retiree couple | $0 (under $95,870 in retirement draws) | $0 always |
| Property tax — $550K home | ~$3,230 (Ada Co., after homestead) | ~$3,025–$3,575 (Wilson Co., after exemptions) |
| Long-term property tax protection | Homestead exemption — file once, auto-renews | TN Tax Freeze — $63,470 income limit, annual reapplication |
| No Social Security tax | Yes | Yes |
| Top healthcare anchor | St. Luke’s — Top 15 nationally, #1 Idaho | Vanderbilt UMC — Top 20 nationally |
| Climate | High desert — 240 sunny days, dry, real winters, skiing 45 min | Four seasons, humid summers, no hurricanes, Smokies 3 hrs |
| Beach access | None | None |
| Mountain access | Sawtooth Mountains — 2.5 hrs; Bogus Basin ski — 45 min | Smoky Mountains — 3 hrs |
| Entry price | $200K (Brooke View) | $300K (StoneBridge) |
| California equity buyers | Primary feeder state — $500K–$1M equity conversions common | Less common — Southeast feeder states dominate |
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Boise and Nashville are the two most financially efficient markets in our coverage at comparable home values. Property tax is nearly identical — Ada County and Wilson County both run approximately 0.55–0.76% effective rates after their respective exemption programs. The income tax comparison: Tennessee is simpler (zero, always, no calculation) while Idaho is effectively zero for most retirees but requires understanding the $95,870 deduction. The decisive differentiators are climate and feeder state equity. California buyers with $500K+ in equity should strongly favor Boise — the equity conversion math is unmatched in our coverage. Midwest and Northeast buyers who fit the Nashville financial profile and want Music City cultural access should favor Nashville. Neither is wrong.
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