Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$498,577$305 / 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 90How 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

51 RIVER ST

HUDSON, MA 01749
4
Beds
1
Baths
1,636 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.
0.2 ac
Lot SizeThe size of the land the home sits on, from county records.
1918
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

$499K
$449K low$549K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,711 (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.$483,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$163,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$320,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$452,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$549,575

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
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.0.20
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.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

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
C a FarleyB-
Elementary · Grades PK–4 · 0.6 mi
H
Hudson High SchoolC
High · Grades 8–12 · 0.8 mi
M
David J. Quinn Middle SchoolC
Middle · Grades 5–7 · 0.9 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%

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

51 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 85% of homes in Middlesex County
  • Costs less per square foot than 90% of homes in Middlesex County
  • Has a smaller lot than 88% of homes in Hudson 01749
  • Older than 84% 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
$272K$1.1M

This home is worth more than 23% 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$498,577
CheaperTypical $597,761Pricier

Pricier than 23% of homes nearby

Price per ft²$305
CheaperTypical $375Pricier

Pricier than 18% of homes nearby

Living area1,636 ft²
SmallerTypical 1,600 ft²Bigger

Bigger than 52% of homes nearby

Lot size0.2 ac
SmallerTypical 0.43 acBigger

Bigger than 12% of homes nearby

Year built1918
OlderTypical 1967Newer

Newer than 16% of homes nearby

How 51 River St ranks against every home in each area.
MeasureThis homeHudson 01749Middlesex County
Estimated valuepricier than$498,57723% of homes15% of homes
Price per ft²pricier than$30518% of homes10% of homes
Living areabigger than1,636 ft²52% of homes41% of homes
Lot sizebigger than0.2 ac12% of homes34% of homes
Year builtnewer than191816% of homes22% of homes

About 51 River St

How much is 51 River St, Hudson, MA worth?

The TopHap Estimate for 51 River St, Hudson, MA is $498,577 as of Sep 24, 2026. The likely range is $448,623 to $548,531. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 51 River St, Hudson, MA last sell?

51 River St, Hudson, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 51 River St, Hudson, MA?

51 River St, Hudson, MA has 4 bedrooms, 1 bathrooms, 1,636 square feet of living space and a 0.20-acre lot.

When was 51 River St, Hudson, MA built?

51 River St, Hudson, MA was built in 1918, making it 108 years old. It is a conventional home. The building has 2 stories.

What schools serve 51 River St, Hudson, MA?

51 River St, Hudson, MA is assigned to C a Farley (elementary), rated B-; Hudson High School (high), rated C; 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 51 River St, Hudson, MA compare to other homes in Hudson 01749?

Among the 6,463 homes in Hudson 01749, it is worth more than 23% of them ($498,577 against a typical $597,761), its price per square foot is higher than 18% of them ($305 against a typical $375), it is bigger than 52% of them (1,636 ft² against a typical 1,600 ft²), its lot is bigger than 12% of them (0.2 ac against a typical 0.43 ac) and it is newer than 16% of them (1918 against a typical 1967). Measured against all of Middlesex County, it is worth more than 15% 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 51 River St, Hudson, MA?

The 2025 property tax bill for 51 River St, Hudson, MA was $6,711. The county assessed it at $483,500.

More homes on River St

Closest homes

More homes in Hudson 01749

Assigned schools

Explore the area

See this home in context

Open 51 River 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