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Single Family ResidenceResidential
$703,686$643 / 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 87How 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 $481,000 on Dec 5, 2023

136 OLD MILL LN

PORTSMOUTH, RI 02871
3
Beds
3
Baths
1,094 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.
1.57 ac
Lot SizeThe size of the land the home sits on, from county records.
1992
Year BuiltThe year the home was originally built, according to county records.
1
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

$704K
$614K low$794K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$481,000 · Dec 5, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,100 (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.$459,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$228,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$231,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$449,900

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.
8
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
55
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
86
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.1.57
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
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.

Foreclosure Filings(2)

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 · 3.2 mi
E
Melville Elementary SchoolA+
Elementary · Grades KG–4 · 4.4 mi
H
Portsmouth High SchoolA+
High · Grades 9–12 · 6.2 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

136 Old Mill Ln 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 91% of homes in Portsmouth 02871
  • Smaller than 80% of homes in Newport County
  • Has a bigger lot than 96% of homes in Portsmouth 02871
  • Newer than 79% of homes in Newport County

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
$254K$2.4M

This home is worth more than 49% 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$703,686
CheaperTypical $715,322Pricier

Pricier than 49% of homes nearby

Price per ft²$643
CheaperTypical $443Pricier

Pricier than 91% of homes nearby

Living area1,094 ft²
SmallerTypical 1,620 ft²Bigger

Bigger than 22% of homes nearby

Lot size1.57 ac
SmallerTypical 0.41 acBigger

Bigger than 96% of homes nearby

Year built1992
OlderTypical 1976Newer

Newer than 72% of homes nearby

How 136 Old Mill Ln ranks against every home in each area.
MeasureThis homePortsmouth 02871Newport County
Estimated valuepricier than$703,68649% of homes40% of homes
Price per ft²pricier than$64391% of homes72% of homes
Living areabigger than1,094 ft²22% of homes20% of homes
Lot sizebigger than1.57 ac96% of homes89% of homes
Year builtnewer than199272% of homes79% of homes

About 136 Old Mill Ln

How much is 136 Old Mill Ln, Portsmouth, RI worth?

The TopHap Estimate for 136 Old Mill Ln, Portsmouth, RI is $703,686 as of Sep 24, 2026. The likely range is $613,532 to $793,840. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 136 Old Mill Ln, Portsmouth, RI last sell?

136 Old Mill Ln, Portsmouth, RI last sold on Dec 5, 2023 for $481,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 136 Old Mill Ln, Portsmouth, RI?

136 Old Mill Ln, Portsmouth, RI has 3 bedrooms, 3 bathrooms, 1,094 square feet of living space and a 1.57-acre lot.

When was 136 Old Mill Ln, Portsmouth, RI built?

136 Old Mill Ln, Portsmouth, RI was built in 1992, making it 34 years old. It is a raised ranch home. The building has 1 story.

What schools serve 136 Old Mill Ln, Portsmouth, RI?

136 Old Mill Ln, 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 136 Old Mill Ln, Portsmouth, RI compare to other homes in Portsmouth 02871?

Among the 7,733 homes in Portsmouth 02871, it is worth more than 49% of them ($703,686 against a typical $715,322), its price per square foot is higher than 91% of them ($643 against a typical $443), it is bigger than 22% of them (1,094 ft² against a typical 1,620 ft²), its lot is bigger than 96% of them (1.57 ac against a typical 0.41 ac) and it is newer than 72% of them (1992 against a typical 1976). Measured against all of Newport County, it is worth more than 40% 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 136 Old Mill Ln, Portsmouth, RI?

The 2025 property tax bill for 136 Old Mill Ln, Portsmouth, RI was $6,100. The county assessed it at $459,300.

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