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Single Family ResidenceResidential
$819,814$303 / 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 Sep 24, 2026
Last sold for $400,000 on May 11, 2018

810 UNION ST

PORTSMOUTH, RI 02871
3
Beds
3.5
Baths
2,706 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.
0.47 ac
Lot SizeThe size of the land the home sits on, from county records.
1979
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$820K
$752K low$887K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$400,000 · May 11, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,435 (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.$559,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$199,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$360,000

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.Colonial
CountyNEWPORT
Lot (acres)The size of the land the home sits on, from county records.0.47
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
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(9)

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 · 0.3 mi
E
Melville Elementary SchoolA+
Elementary · Grades KG–4 · 1.8 mi
H
Portsmouth High SchoolA+
High · Grades 9–12 · 4.1 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

810 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 less per square foot than 96% of homes in Portsmouth 02871
  • Bigger than 86% 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
$288K$2.6M

This home is worth more than 61% 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$819,814
CheaperTypical $720,433Pricier

Pricier than 61% of homes nearby

Price per ft²$303
CheaperTypical $442Pricier

Pricier than 4% of homes nearby

Living area2,706 ft²
SmallerTypical 1,618 ft²Bigger

Bigger than 86% of homes nearby

Lot size0.47 ac
SmallerTypical 0.42 acBigger

Bigger than 61% of homes nearby

Year built1979
OlderTypical 1976Newer

Newer than 54% of homes nearby

How 810 Union St ranks against every home in each area.
MeasureThis homePortsmouth 02871Newport County
Estimated valuepricier than$819,81461% of homes52% of homes
Price per ft²pricier than$3034% of homes6% of homes
Living areabigger than2,706 ft²86% of homes85% of homes
Lot sizebigger than0.47 ac61% of homes63% of homes
Year builtnewer than197954% of homes64% of homes

About 810 Union St

How much is 810 Union St, Portsmouth, RI worth?

The TopHap Estimate for 810 Union St, Portsmouth, RI is $819,814 as of Sep 24, 2026. The likely range is $752,324 to $887,304. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 810 Union St, Portsmouth, RI last sell?

810 Union St, Portsmouth, RI last sold on May 11, 2018 for $400,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 810 Union St, Portsmouth, RI?

810 Union St, Portsmouth, RI has 3 bedrooms, 3.5 bathrooms, 2,706 square feet of living space and a 0.47-acre lot.

When was 810 Union St, Portsmouth, RI built?

810 Union St, Portsmouth, RI was built in 1979, making it 47 years old. It is a colonial home. The building has 2 stories.

What schools serve 810 Union St, Portsmouth, RI?

810 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 810 Union St, Portsmouth, RI compare to other homes in Portsmouth 02871?

Among the 7,733 homes in Portsmouth 02871, it is worth more than 61% of them ($819,814 against a typical $720,433), its price per square foot is higher than 4% of them ($303 against a typical $442), it is bigger than 86% of them (2,706 ft² against a typical 1,618 ft²), its lot is bigger than 61% of them (0.47 ac against a typical 0.42 ac) and it is newer than 54% of them (1979 against a typical 1976). Measured against all of Newport County, it is worth more than 52% 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 810 Union St, Portsmouth, RI?

The 2025 property tax bill for 810 Union St, Portsmouth, RI was $7,435. The county assessed it at $559,900.

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