Cost of Living in Portsmouth
Portsmouth's cost-of-living picture runs genuinely, substantially ABOVE the national baseline -- a cost-of-living index cited at approximately 137-155 (37%-55% above the national average) -- driven primarily by the city's genuinely expensive housing market, even as New Hampshire's real no-income/no-sales-tax structure offsets some of that premium.
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Learn moreHousing and Rent Run Genuinely, Substantially More Expensive
As detailed on the housing-market and renting topic pages, cited Portsmouth home-value figures ran roughly 66%-134% above the ~$408,776 national median sale price across sources reviewed this pass, and RentCafe's cited average rent across all apartment types ran approximately $2,433/month as of February 2026.
New Hampshire's No Income Tax and No Sales Tax Are Real and Now Complete
As detailed on the taxes topic page, New Hampshire's Interest & Dividends Tax was fully repealed effective January 1, 2025, and the state levies no general sales tax -- a real, current, genuine offset to Portsmouth's high housing costs, especially for higher earners and investors.
The Meals & Rooms Tax Is a Real, Disclosed Exception
As detailed on the taxes topic page, New Hampshire's real, current 8.5% Meals & Rooms Tax applies to restaurant meals, lodging, and short-term/car rentals -- genuinely relevant for Portsmouth's large dining and tourism scene.
New Hampshire's Property Tax Burden Runs Genuinely High Statewide, Portsmouth's Own Rate More Moderate
As detailed on the property-taxes topic page, New Hampshire's statewide effective property tax rate is cited in a roughly 1.5%-1.85% range, commonly ranked among the nation's top 3-4 highest -- though Portsmouth's own cited effective rate (~1.19%-1.66%) runs somewhat more moderate than that statewide range.
Overall Cost of Living Runs Genuinely High
Sources reviewed this pass cited Portsmouth's cost-of-living index at approximately 137-155 (37%-55% above the national baseline of 100), with one source describing Portsmouth as New Hampshire's most expensive city and citing monthly costs of approximately $2,904 for a single person and approximately $6,394 for a family of four.
Key takeaways
- Portsmouth's cited home-value figures ran roughly 66%-134% above the national median, and average rent ran approximately $2,433/month.
- New Hampshire's Interest & Dividends Tax was fully repealed effective January 1, 2025 -- the state now genuinely levies no broad-based income tax and no general sales tax.
- A real, current 8.5% Meals & Rooms Tax applies to dining, lodging, and short-term rentals.
- New Hampshire's statewide property tax burden runs genuinely high (commonly top 3-4 nationally), though Portsmouth's own cited rate runs more moderate.
- Portsmouth's overall cost-of-living index ran approximately 37%-55% above the national baseline across sources reviewed.
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