Self-storage in Arizona.
2026 market data, supply context, dominant cost driver. Sample metro: Phoenix.
What this state's storage market is doing.
Arizona has the LOWEST $/sqft in the nation at $0.51/sqft/mo (SpareFoot industry-reported). Phoenix specifically has 6.5% of inventory under construction — the highest in the country per Yardi. Pricing is flat-to-declining despite climate-driven climate-control demand.
Supply per capita and pipeline.
Phoenix supply pipeline is the most aggressive in the US. ~6.5% of existing inventory under construction in 2026, representing 18-30 months of additional deliveries hitting the market. State-level supply per capita is ~7.0 sqft, second-highest after Florida.
What the markets in this state look like.
Phoenix dominates. Tucson and Flagstaff are smaller markets with similar oversupply dynamics.
What's structurally setting the rent.
Supply pipeline. The most aggressive in the country. Combined with migration deceleration, expects 2-3 more quarters of price softening.