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Single Family ResidenceResidential
$588,213$385 / 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 $420,000 on Mar 18, 2021

139 RIVER ST

HUDSON, MA 01749
3
Beds
1
Baths
1,526 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.
0.43 ac
Lot SizeThe size of the land the home sits on, from county records.
1945
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$588K
$557K low$619K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$420,000 · Mar 18, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,415 (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.$462,200 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$195,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$266,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$436,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$542,450

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.Cape Cod
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.0.43
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.No Foundation
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
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(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.

H
Hudson High SchoolC
High · Grades 8–12 · 0.5 mi
E
C a FarleyB-
Elementary · Grades PK–4 · 0.9 mi
M
David J. Quinn Middle SchoolC
Middle · Grades 5–7 · 1.3 mi

District: Hudson School District

Neighborhood · ZIP 01749These 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.102
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.103
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.65

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.20,357
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,766 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$107,752
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$128,047
Average tempThe average temperature here across a full year.48°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

139 River 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.

  • Worth less than 76% of homes in Middlesex County
  • Costs less per square foot than 71% of homes in Middlesex County
  • Older than 78% of homes in Hudson 01749

What homes are worth in Hudson 01749

Each bar is how many homes fall in that price range. The marker is this home.

This home
$262K$1M

This home is worth more than 48% of homes in Hudson 01749.

How it measures up in Hudson 01749

The dot is this home. The mark in the middle is the typical home in Hudson 01749.

Estimated value$588,213
CheaperTypical $595,950Pricier

Pricier than 48% of homes nearby

Price per ft²$385
CheaperTypical $375Pricier

Pricier than 55% of homes nearby

Living area1,526 ft²
SmallerTypical 1,584 ft²Bigger

Bigger than 47% of homes nearby

Lot size0.43 ac
SmallerTypical 0.43 acBigger

Bigger than 50% of homes nearby

Year built1945
OlderTypical 1966Newer

Newer than 22% of homes nearby

How 139 River St ranks against every home in each area.
MeasureThis homeHudson 01749Middlesex County
Estimated valuepricier than$588,21348% of homes24% of homes
Price per ft²pricier than$38555% of homes29% of homes
Living areabigger than1,526 ft²47% of homes36% of homes
Lot sizebigger than0.43 ac50% of homes59% of homes
Year builtnewer than194522% of homes37% of homes

About 139 River St

How much is 139 River St, Hudson, MA worth?

The TopHap Estimate for 139 River St, Hudson, MA is $588,213 as of Aug 30, 2026. The likely range is $557,386 to $619,040. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 139 River St, Hudson, MA last sell?

139 River St, Hudson, MA last sold on Mar 18, 2021 for $420,000, according to the county's recorded deed.

How big is 139 River St, Hudson, MA?

139 River St, Hudson, MA has 3 bedrooms, 1 bathrooms, 1,526 square feet of living space and a 0.43-acre lot.

When was 139 River St, Hudson, MA built?

139 River St, Hudson, MA was built in 1945, making it 81 years old. It is a cape cod home. The building has 2 stories.

What schools serve 139 River St, Hudson, MA?

139 River St, Hudson, MA is assigned to Hudson High School (high), rated C; C a Farley (elementary), rated B-; David J. Quinn Middle School (middle), rated C. All sit in Hudson School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 139 River St, Hudson, MA compare to other homes in Hudson 01749?

Among the 6,463 homes in Hudson 01749, it is worth more than 48% of them ($588,213 against a typical $595,950), its price per square foot is higher than 55% of them ($385 against a typical $375), it is bigger than 47% of them (1,526 ft² against a typical 1,584 ft²), its lot is bigger than 50% of them (0.43 ac against a typical 0.43 ac) and it is newer than 22% of them (1945 against a typical 1966). Measured against all of Middlesex 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 139 River St, Hudson, MA?

The 2025 property tax bill for 139 River St, Hudson, MA was $6,415. The county assessed it at $462,200.

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