Taxes in Portsmouth
Portsmouth's tax picture combines a property tax rate close to Rhode Island's own elevated statewide average with the state's real, statewide income and sales tax structure.
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Learn moreA property tax rate close to the state average
Portsmouth's median effective rate (~1.32%, ZIP 02871) runs above the ~1.02% national comparison figure and just slightly below Rhode Island's own ~1.35% statewide average.
A wide tax-bill range by assessment
Tax bills at Portsmouth's own median assessed value (~$473,700) ranged from approximately $4,737 (25th percentile) to $11,687 (90th percentile).
Rhode Island's graduated income tax and flat sales tax
A three-bracket income tax (3.75%/4.75%/5.99% for 2026) and a flat 7% sales tax (no local add-on) apply statewide.
Key takeaways
- Portsmouth's property tax rate tracks close to Rhode Island's own already-elevated statewide average.
- Tax bills vary substantially by assessment -- confirm a specific target property's figure directly.
- Rhode Island's 3-bracket 3.75%/4.75%/5.99% income tax and flat 7% sales tax apply statewide.
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