Portsmouth, Newport County, Rhode Island Property Taxes
Median Portsmouth, RI effective property tax rate: 1.28%, significantly higher than the national median of 1.02%, but lower than the Rhode Island state median of 1.48%.
Median Portsmouth, RI home value: $469,800
Median annual Portsmouth, RI tax bill: $6,008, $3,608 higher than the national median property tax bill of $2,400.
How are property taxes in Newport calculated?
Property taxes in Portsmouth, RI are calculated based on the tax assessed value, which is often lower than the actual market value due to property tax exemptions such as the homestead or senior exemption.
Understanding Portsmouth’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Portsmouth, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Portsmouth, Newport County, Rhode Island Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.28%
Estimate Property Tax Bill
$6,013
$5,580
Ownwell’s Portsmouth Property Tax Bill Calculator empowers homeowners, real estate investors, and potential buyers to estimate their annual property taxes in Portsmouth with just two data points. By entering your property's estimated assessed value, our calculator applies Portsmouth’s median effective tax rate to accurately estimate your property tax bill. Note that your property's assessed value — determined by your county — reflects any exemptions you may have, ensuring a precise calculation for your property tax obligations.
This insightful tool helps you understand potential tax liabilities and highlights how Ownwell can assist in reducing property taxes in Newport County. The property tax bill in Portsmouth is significantly higher than the national median property tax bill of $2400, making it crucial for property owners to explore all possible avenues for savings.
For those interested in more localized information, please scroll down to explore city-level trends!
Property Tax Rates Across Portsmouth, Newport County, Rhode Island
Local government entities set tax rates, which can vary widely within a state. Each county estimates its required budget to provide services and divides that by the total value of all taxable property within its jurisdiction. This calculation results in the property tax rate. While there are votes and laws involved in setting tax rates and budgets, in a nutshell, this is the annual process.
Portsmouth in Newport County, Rhode Island, has an effective property tax rate of 1.28%. This rate is higher than the national median property tax rate of 1.02%. Despite this, Portsmouth's rate is consistent across the state, reflecting Rhode Island's uniformity in property taxation. When compared to the national median property tax bill of $2,400, the local tax burden can be significant, underscoring the importance of understanding and potentially appealing your property tax assessment. By staying informed and considering professional property tax appeal services, homeowners in Portsmouth can ensure they are not overpaying and that their assessments accurately reflect their property's market value.
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Portsmouth Tax Rate
1.28%
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Newport County Tax Rate
1.26%
Median Effective Rhode Island Tax Rate
1.48%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Portsmouth, Newport County, Rhode Island
Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
02871 | 1.28% | 1.28% | 1.28% | 1.28% | 1.28% |
Source: Ownwell
Property Tax Assessment Values Across Portsmouth, Newport County, Rhode Island
When examining property taxes in Portsmouth, RI, understanding the distinction between "market value" and "assessed value" is crucial. The market value is what a willing buyer would pay to a willing seller in an open and competitive market, often influenced by location, property condition, and economic market trends. The Newport County appraisal district estimates the market value for tax purposes. The assessed value is the market value minus any applicable exemptions or limits determined by local laws and offerings. The tax assessed value is the figure used to calculate your property taxes or the amount multiplied by your tax rate to get your tax bill.
In Newport County, assessment notices are sent in the spring each year. They’ll typically reach your mailbox by the middle of May. Each property owner receives an assessment notice that contains both the market value and assessed value, along with an estimate of your property tax bill. By providing insights into how assessed and market values are determined, this section helps property owners navigate their tax responsibilities and understand the valuation processes affecting their property taxes in Portsmouth. For example, the median home price in Portsmouth is $469,800, with tax bills ranging significantly across the county. Zip code 02871 has the highest median home price at $469,800.
Property Tax Assessment Values Across Portsmouth, Newport County, Rhode Island
Source: Ownwell

$256,350
$487,675
$719,000
Median Portsmouth Market Value
$469,800
Median Newport County Market Value
$457,350
Median Rhode Island Market Value
$326,800
Median United States Market Value
$235,294
Property Tax Assessment Values Across Portsmouth, Newport County, Rhode Island
Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
02871 | $259,400 | $358,600 | $469,800 | $655,800 | $875,680 |
Source: Ownwell
Property Tax Bills Across Portsmouth, Newport County, Rhode Island
Median Portsmouth Tax Bill
$6,008
Median Newport County Tax Bill
$5,041
Median Rhode Island Tax Bill
$4,920
Median United States Tax Bill
$2,400
Property Tax Bills Across Portsmouth, Newport County, Rhode Island
Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
02871 | $3,318 | $4,585 | $6,008 | $8,384 | $11,193 |
Source: Ownwell