Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$744,002$584 / 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 97How 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 $275,000 on Mar 24, 2014

400 UNION ST

PORTSMOUTH, RI 02871
3
Beds
2.5
Baths
1,274 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.
0.51 ac
Lot SizeThe size of the land the home sits on, from county records.
1960
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

$744K
$723K low$765K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$275,000 · Mar 24, 2014

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,304 (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.$550,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$250,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$299,400

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.Split Level
CountyNEWPORT
Lot (acres)The size of the land the home sits on, from county records.0.51
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(4)

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.

M
Portsmouth Middle SchoolA
Middle · Grades 5–8 · 0.9 mi
E
Melville Elementary SchoolA+
Elementary · Grades KG–4 · 1.5 mi
H
Portsmouth High SchoolA
High · Grades 9–12 · 3.7 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

400 Union 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 86% of homes in Portsmouth 02871
  • Smaller than 69% of homes in Newport County
  • Has a bigger lot than 68% of homes in Newport County
  • Older than 70% 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
$285K$2.6M

This home is worth more than 54% 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$744,002
CheaperTypical $707,284Pricier

Pricier than 54% of homes nearby

Price per ft²$584
CheaperTypical $438Pricier

Pricier than 86% of homes nearby

Living area1,274 ft²
SmallerTypical 1,618 ft²Bigger

Bigger than 33% of homes nearby

Lot size0.51 ac
SmallerTypical 0.42 acBigger

Bigger than 67% of homes nearby

Year built1960
OlderTypical 1976Newer

Newer than 30% of homes nearby

How 400 Union St ranks against every home in each area.
MeasureThis homePortsmouth 02871Newport County
Estimated valuepricier than$744,00254% of homes46% of homes
Price per ft²pricier than$58486% of homes66% of homes
Living areabigger than1,274 ft²33% of homes31% of homes
Lot sizebigger than0.51 ac67% of homes68% of homes
Year builtnewer than196030% of homes45% of homes

About 400 Union St

How much is 400 Union St, Portsmouth, RI worth?

The TopHap Estimate for 400 Union St, Portsmouth, RI is $744,002 as of Aug 30, 2026. The likely range is $723,090 to $764,914. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 400 Union St, Portsmouth, RI last sell?

400 Union St, Portsmouth, RI last sold on Mar 24, 2014 for $275,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 400 Union St, Portsmouth, RI?

400 Union St, Portsmouth, RI has 3 bedrooms, 2.5 bathrooms, 1,274 square feet of living space and a 0.51-acre lot.

When was 400 Union St, Portsmouth, RI built?

400 Union St, Portsmouth, RI was built in 1960, making it 66 years old. It is a split level home. The building has 1 story.

What schools serve 400 Union St, Portsmouth, RI?

400 Union St, Portsmouth, RI is assigned to Portsmouth Middle School (middle), rated A; Melville Elementary School (elementary), 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 400 Union St, Portsmouth, RI compare to other homes in Portsmouth 02871?

Among the 7,732 homes in Portsmouth 02871, it is worth more than 54% of them ($744,002 against a typical $707,284), its price per square foot is higher than 86% of them ($584 against a typical $438), it is bigger than 33% of them (1,274 ft² against a typical 1,618 ft²), its lot is bigger than 67% of them (0.51 ac against a typical 0.42 ac) and it is newer than 30% of them (1960 against a typical 1976). Measured against all of Newport County, it is worth more than 46% 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 400 Union St, Portsmouth, RI?

The 2025 property tax bill for 400 Union St, Portsmouth, RI was $7,304. The county assessed it at $550,000.

More homes on Union St

Closest homes

More homes in Portsmouth 02871

Assigned schools

Explore the area

See this home in context

Open 400 Union St 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