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State Municipal Index • AZ
Arizona Property Tax Drift Index
State Avg Drift Score
55/100
Arizona Municipal Risk Briefing
State Comptroller & US Census Bureau (AZ)August 2026
Arizona maintains an average TaxDrift Score of 55/100 across monitored jurisdictions. Overlapping municipal bond issuances and assessment equalization rollbacks determine local millage carrying costs under statutory rules.
Population
7,431,344
Avg Effective Tax Rate
0.8%
Total Tracked Muni Debt
$35.4B
Counties Monitored
3
Statutory Tax Caps & Voter-Approval Rules (AZ)
Proposition 117 limits annual growth in Limited Property Value (LPV) to 5%.
Audited Counties in Arizona
Arizona County Tax Drift Leaderboard
3 Jurisdictions Audited| Rank | Jurisdiction | Drift Score | Risk Tier | Muni Debt / Cap | CAD Lag Spread | 3-Yr Tax Shock | Audit |
|---|---|---|---|---|---|---|---|
| #1 | Pinal County, AZ | 57.6 | Elevated | $5,100 | +24.0% | +$59,069/yr | View |
| #2 | Maricopa County, AZ | 54.9 | Elevated | $5,920 | +21.3% | +$64,978/yr | View |
| #3 | Pima County, AZ | 52.3 | Elevated | $5,600 | +18.0% | +$61,014/yr | View |