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Single Family ResidenceResidential
$558,679$506 / 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 95How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $305,000 on Jan 17, 2018

75 DOROTHY AVE

PORTSMOUTH, RI 02871
3
Beds
2
Baths
1,104 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.
0.29 ac
Lot SizeThe size of the land the home sits on, from county records.
1972
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$559K
$529K low$588K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$305,000 · Jan 17, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,312 (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.$400,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$179,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$220,700

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.35
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
56
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
89
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.

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.Raised Ranch
CountyNEWPORT
Lot (acres)The size of the land the home sits on, from county records.0.29
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(3)

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
Melville Elementary SchoolA+
Elementary · Grades KG–4 · 0.6 mi
M
Portsmouth Middle SchoolA
Middle · Grades 5–8 · 1.5 mi
H
Portsmouth High SchoolA
High · Grades 9–12 · 2.9 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%

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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

75 Dorothy Ave 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.

  • Worth less than 76% of homes in Newport County
  • Costs more per square foot than 71% of homes in Portsmouth 02871
  • Smaller than 80% of homes in Newport County
  • Has a smaller lot than 65% 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
$266K$2.7M

This home is worth more than 29% 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$558,679
CheaperTypical $708,552Pricier

Pricier than 29% of homes nearby

Price per ft²$506
CheaperTypical $438Pricier

Pricier than 71% of homes nearby

Living area1,104 ft²
SmallerTypical 1,623 ft²Bigger

Bigger than 23% of homes nearby

Lot size0.29 ac
SmallerTypical 0.41 acBigger

Bigger than 35% of homes nearby

Year built1972
OlderTypical 1976Newer

Newer than 46% of homes nearby

How 75 Dorothy Ave ranks against every home in each area.
MeasureThis homePortsmouth 02871Newport County
Estimated valuepricier than$558,67929% of homes24% of homes
Price per ft²pricier than$50671% of homes53% of homes
Living areabigger than1,104 ft²23% of homes20% of homes
Lot sizebigger than0.29 ac35% of homes46% of homes
Year builtnewer than197246% of homes58% of homes

About 75 Dorothy Ave

How much is 75 Dorothy Ave, Portsmouth, RI worth?

The TopHap Estimate for 75 Dorothy Ave, Portsmouth, RI is $558,679 as of Aug 30, 2026. The likely range is $529,246 to $588,112. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 75 Dorothy Ave, Portsmouth, RI last sell?

75 Dorothy Ave, Portsmouth, RI last sold on Jan 17, 2018 for $305,000, according to the county's recorded deed.

How big is 75 Dorothy Ave, Portsmouth, RI?

75 Dorothy Ave, Portsmouth, RI has 3 bedrooms, 2 bathrooms, 1,104 square feet of living space and a 0.29-acre lot.

When was 75 Dorothy Ave, Portsmouth, RI built?

75 Dorothy Ave, Portsmouth, RI was built in 1972, making it 54 years old. It is a raised ranch home. The building has 1 story.

What schools serve 75 Dorothy Ave, Portsmouth, RI?

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

How does 75 Dorothy Ave, Portsmouth, RI compare to other homes in Portsmouth 02871?

Among the 7,732 homes in Portsmouth 02871, it is worth more than 29% of them ($558,679 against a typical $708,552), its price per square foot is higher than 71% of them ($506 against a typical $438), it is bigger than 23% of them (1,104 ft² against a typical 1,623 ft²), its lot is bigger than 35% of them (0.29 ac against a typical 0.41 ac) and it is newer than 46% of them (1972 against a typical 1976). Measured against all of Newport County, it is worth more than 24% 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 75 Dorothy Ave, Portsmouth, RI?

The 2025 property tax bill for 75 Dorothy Ave, Portsmouth, RI was $5,312. The county assessed it at $400,000.

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