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Single Family ResidenceResidential
$840,665$651 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 89How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $777,000 on Jul 31, 2025

309 RIVERSIDE ST

PORTSMOUTH, RI 02871
2
Beds
2.5
Baths
1,291 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
2,100 ft²
Lot SizeThe size of the land the home sits on, from county records.
1938
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$841K
$744K low$937K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$777,000 · Jul 31, 2025
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$296,765
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$237,412
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.65%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$543,900
ROCKET MORTGAGE LLC · recorded Jul 31, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,421 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$558,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$337,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$221,800

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.58
100
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
17
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
57
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
91
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
28
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.137 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.89%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.1 percent flood zone

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Conventional
CountyNEWPORT
Lot (acres)The size of the land the home sits on, from county records.0.05
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck

Transaction History(7)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Hathaway Elementary SchoolA+
Elementary · Grades KG–4 · 1.2 mi
H
Portsmouth High SchoolA
High · Grades 9–12 · 1.6 mi
M
Portsmouth Middle SchoolA
Middle · Grades 5–8 · 5.9 mi

District: Portsmouth School District

Neighborhood · ZIP 02871These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.84
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.101
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.60

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.89%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.37%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.16,919
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.620 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$115,631
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$147,136
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.48 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

309 Riverside St measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Costs more per square foot than 90% of homes in Portsmouth 02871
  • Smaller than 68% of homes in Newport County
  • Among the smallest lots in Portsmouth 02871
  • Older than 88% of homes in Portsmouth 02871

What homes are worth in Portsmouth 02871

Each bar is how many homes fall in that price range. The marker is this home.

This home
$277K$2.6M

This home is worth more than 62% of homes in Portsmouth 02871.

How it measures up in Portsmouth 02871

The dot is this home. The mark in the middle is the typical home in Portsmouth 02871.

Estimated value$840,665
CheaperTypical $720,326Pricier

Pricier than 62% of homes nearby

Price per ft²$651
CheaperTypical $449Pricier

Pricier than 90% of homes nearby

Living area1,291 ft²
SmallerTypical 1,620 ft²Bigger

Bigger than 34% of homes nearby

Lot size2,100 ft²
SmallerTypical 0.42 acBigger

Smaller than almost all homes nearby

Year built1938
OlderTypical 1976Newer

Newer than 12% of homes nearby

How 309 Riverside St ranks against every home in each area.
MeasureThis homePortsmouth 02871Newport County
Estimated valuepricier than$840,66562% of homes55% of homes
Price per ft²pricier than$65190% of homes74% of homes
Living areabigger than1,291 ft²34% of homes32% of homes
Lot sizebigger than2,100 ft²almost no homes2% of homes
Year builtnewer than193812% of homes27% of homes

About 309 Riverside St

How much is 309 Riverside St, Portsmouth, RI worth?

The TopHap Estimate for 309 Riverside St, Portsmouth, RI is $840,665 as of Jul 14, 2026. The likely range is $744,150 to $937,180. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 309 Riverside St, Portsmouth, RI last sell?

309 Riverside St, Portsmouth, RI last sold on Jul 31, 2025 for $777,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 309 Riverside St, Portsmouth, RI?

309 Riverside St, Portsmouth, RI has 2 bedrooms, 2.5 bathrooms, 1,291 square feet of living space and a 0.05-acre lot.

When was 309 Riverside St, Portsmouth, RI built?

309 Riverside St, Portsmouth, RI was built in 1938, making it 88 years old. It is a conventional home. The building has 2 stories.

What schools serve 309 Riverside St, Portsmouth, RI?

309 Riverside St, Portsmouth, RI is assigned to Hathaway Elementary School (elementary), rated A+; Portsmouth High School (high), rated A; Portsmouth Middle School (middle), rated A. All sit in Portsmouth School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 309 Riverside St, Portsmouth, RI compare to other homes in Portsmouth 02871?

Among the 7,732 homes in Portsmouth 02871, it is worth more than 62% of them ($840,665 against a typical $720,326), its price per square foot is higher than 90% of them ($651 against a typical $449), it is bigger than 34% of them (1,291 ft² against a typical 1,620 ft²), its lot is bigger than almost none of them (2,100 ft² against a typical 0.42 ac) and it is newer than 12% of them (1938 against a typical 1976). Measured against all of Newport County, it is worth more than 55% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 309 Riverside St, Portsmouth, RI?

The 2025 property tax bill for 309 Riverside St, Portsmouth, RI was $7,421. The county assessed it at $558,800.

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See this home in context

Open 309 Riverside Ston TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

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