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Talk to a Specialist →| Factor | Boise ID | Phoenix AZ |
|---|---|---|
| State income tax | ID: $0 for most retirees (deduction + SS exempt) | AZ: 2.5% flat — no retirement-specific exemption |
| Annual income tax — couple, $80K retirement draws | $0 (Idaho) | ~$2,000 (Arizona) |
| Property tax — $550K home | ~$3,230 (Ada Co., after homestead) | ~$1,650–$2,200 (Maricopa Co., primary residence ratio) |
| Climate | High desert — 240 sunny days, summers 95–100°F (dry), real winters | Desert — 300+ sunny days, summers 106–115°F, mild winters |
| Summer heat | Hot but manageable — typical July high 95–100°F | Extreme — July average high 106–108°F; dangerous for many buyers |
| Skiing | Bogus Basin — 45 min | None close; Flagstaff 2.5 hrs |
| Top healthcare | St. Luke’s — Top 15 nationally | Strong regional; no single Top 15 academic anchor |
| 55+ community selection | 6 communities covered | 120+ communities covered |
| Entry price | $200K (Brooke View) | ~$150K (Sun Lakes) |
We connect buyers with agents who know this market from the inside — real cost math, honest comparisons, and what's actually happening right now. Every agent is personally vetted by the Nova55Living founder. No scripts, no pressure.
Arizona has lower property tax than Idaho — Maricopa County's primary residence ratio produces effective rates well below Ada County. Idaho has lower income tax for most retirees — the deduction eliminates it for moderate-income couples; Arizona's 2.5% flat applies to all income. The numbers roughly offset. The decisive differentiator is summer climate. Phoenix July average high of 106–108°F is genuinely dangerous for many 55+ buyers and limits outdoor activity for 4–5 months. Boise July average high of 95–100°F is hot but manageable for most people. Buyers who specifically want mild winters above all else choose Phoenix. Buyers who want real seasons with manageable (not extreme) summer heat and skiing 45 minutes away choose Boise.
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