Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$386,456$439 / 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 92How 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 $45,000 on Mar 11, 2019

104 MASON AVE

PORTSMOUTH, RI 02871
3
Beds
1
Baths
880 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.
2,925 ft²
Lot SizeThe size of the land the home sits on, from county records.
1930
Year BuiltThe year the home was originally built, according to county records.
2
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

$386K
$357K low$416K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$45,000 · Mar 11, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,200 (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.$241,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$84,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$156,500

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.54
94
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.
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.54 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.85%
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.0.07
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

Transaction History(1)

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 · 0.8 mi
H
Portsmouth High SchoolA
High · Grades 9–12 · 1.1 mi
M
Portsmouth Middle SchoolA
Middle · Grades 5–8 · 5.5 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%

Owner Tools

Do you own this home?
Claim this home

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

104 Mason 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 94% of homes in Portsmouth 02871
  • Smaller than 92% of homes in Portsmouth 02871
  • Among the smallest lots in Portsmouth 02871
  • Older than 90% 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
$282K$2.7M

This home is worth more than 6% 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$386,456
CheaperTypical $708,921Pricier

Pricier than 6% of homes nearby

Price per ft²$439
CheaperTypical $438Pricier

Pricier than 50% of homes nearby

Living area880 ft²
SmallerTypical 1,615 ft²Bigger

Bigger than 8% of homes nearby

Lot size2,925 ft²
SmallerTypical 0.41 acBigger

Smaller than almost all homes nearby

Year built1930
OlderTypical 1976Newer

Newer than 10% of homes nearby

How 104 Mason Ave ranks against every home in each area.
MeasureThis homePortsmouth 02871Newport County
Estimated valuepricier than$386,4566% of homes6% of homes
Price per ft²pricier than$43950% of homes38% of homes
Living areabigger than880 ft²8% of homes8% of homes
Lot sizebigger than2,925 ft²almost no homes5% of homes
Year builtnewer than193010% of homes25% of homes

About 104 Mason Ave

How much is 104 Mason Ave, Portsmouth, RI worth?

The TopHap Estimate for 104 Mason Ave, Portsmouth, RI is $386,456 as of Aug 30, 2026. The likely range is $357,142 to $415,770. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 104 Mason Ave, Portsmouth, RI last sell?

104 Mason Ave, Portsmouth, RI last sold on Mar 11, 2019 for $45,000, according to the county's recorded deed.

How big is 104 Mason Ave, Portsmouth, RI?

104 Mason Ave, Portsmouth, RI has 3 bedrooms, 1 bathrooms, 880 square feet of living space and a 0.07-acre lot.

When was 104 Mason Ave, Portsmouth, RI built?

104 Mason Ave, Portsmouth, RI was built in 1930, making it 96 years old. It is a conventional home. The building has 2 stories.

What schools serve 104 Mason Ave, Portsmouth, RI?

104 Mason Ave, 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 104 Mason Ave, Portsmouth, RI compare to other homes in Portsmouth 02871?

Among the 7,732 homes in Portsmouth 02871, it is worth more than 6% of them ($386,456 against a typical $708,921), its price per square foot is higher than 50% of them ($439 against a typical $438), it is bigger than 8% of them (880 ft² against a typical 1,615 ft²), its lot is bigger than almost none of them (2,925 ft² against a typical 0.41 ac) and it is newer than 10% of them (1930 against a typical 1976). Measured against all of Newport County, it is worth more than 6% 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 104 Mason Ave, Portsmouth, RI?

The 2025 property tax bill for 104 Mason Ave, Portsmouth, RI was $3,200. The county assessed it at $241,000.

More homes on Mason Ave

Closest homes

More homes in Portsmouth 02871

Assigned schools

Explore the area

See this home in context

Open 104 Mason Ave on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map