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FY 2026 residential rate · Washington County, RI
South Kingstown property tax rate
South Kingstown's FY 2026 residential rate is $8.94 per $1,000 of assessed value. A property assessed at $300,000 owes $2,682.00 for the year. That ranks 30th highest of Rhode Island's 38 municipalities, in the lowest quarter, $3.61 per $1,000 below the $12.55 per $1,000 state median.
- 1Residential rate $8.94 per $1,000
- 2Bill on $300,000 assessed $2,682.00
Your South Kingstown tax bill
The bill before exemptions and credits. Compare every Rhode Island rate.
South Kingstown's rates by class of property
Rhode Island lets each city and town tax classes of property at different rates. South Kingstown charges residential and commercial real estate the same $8.94 per $1,000. Tangible personal property, such as business equipment, pays $11.05, the 33rd highest personal property rate of the 38 municipalities ranked here. 21 of the 38 set a commercial rate above their residential rate.
State table note for South Kingstown: Revaluation or statistical update effective December 31, 2024.
Tax on common assessed values in South Kingstown
| Assessed value | FY 2026 bill | Versus RI median rate |
|---|---|---|
| $200,000 | $1,788.00 | −$722.00 |
| $300,000 | $2,682.00 | −$1,083.00 |
| $400,000 | $3,576.00 | −$1,444.00 |
| $500,000 | $4,470.00 | −$1,805.00 |
| $750,000 | $6,705.00 | −$2,707.50 |
Each bill is the assessed value divided by 1,000 and multiplied by $8.94, before exemptions, credits or special charges. These are assessed values, not sale prices. The last column is the difference from the same assessment at the $12.55 per $1,000 state median.
How South Kingstown compares in Washington County and Rhode Island
Among the 9 municipalities in Washington County, South Kingstown ranks 5th highest; the county median is $8.94 per $1,000, so South Kingstown sits exactly on it. The next higher rate in the county is North Kingstown at $11.04, and the next lower is Westerly at $7.11. Statewide, 21% of municipalities have a lower residential rate than South Kingstown.
Outside Washington County, the closest rates are Middletown ($9.06, Newport), Newport ($8.69, Newport), Providence ($8.40, Providence), Bristol ($10.61, Bristol). A rate compares bills fairly only between towns whose assessments sit at a similar share of market value.
Appealing a South Kingstown assessment
A South Kingstown owner appeals first to the local tax assessor, on the state-approved form, on or before November 15 and not less than 90 days after the first tax payment is due (R.I. Gen. Laws § 44-5-26(a)). The assessor has until December 31 to decide; the next step is the local tax board of review within 30 days of the decision, or by January 31 when there is none, and after that a petition to the Superior Court within 30 days of the board's decision (R.I. Gen. Laws §§ 44-5-26, 44-5-27). Each $10,000 of residential assessment costs $89.40 a year at South Kingstown's rate.
The Rhode Island appeal page sets out each step with its source. This is a summary of the published procedure, not legal advice.
South Kingstown property tax questions
What is the property tax rate in South Kingstown, RI?
South Kingstown's FY 2026 residential rate is $8.94 per $1,000 of assessed value. Source: Rhode Island Division of Municipal Finance.
How much is the property tax on a $300,000 assessment in South Kingstown?
$300,000 ÷ 1,000 × $8.94 = $2,682.00 a year, before exemptions and credits.
Is South Kingstown's tax rate high for Rhode Island?
It ranks 30th highest of 38, in the lowest quarter of Rhode Island municipalities; the median is $12.55 per $1,000.
How do I appeal a South Kingstown property assessment?
Appeal to the local tax assessor: by November 15 (R.I. Gen. Laws § 44-5-26(a)). Then: assessor's decision (December 31); appeal to the local tax board of review (30 days after the decision, or January 31); petition to the superior court (30 days after the board's decision).
Source: Rhode Island Division of Municipal Finance, FY 2026 Rhode Island Tax Rates by Class of Property (assessment date December 31, 2024; tax roll year 2025); county and 2020 population from Wikipedia, List of municipalities in Rhode Island . Appeal steps: R.I. Gen. Laws § 44-5-26, Petition in superior court for relief from assessment. Last checked October 21, 2026. This page explains published figures; it is not tax or legal advice.