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Single Family ResidenceResidential
$548,400$460 / 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 93How 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 $324,000 on Oct 23, 2019

100 RIVER ST

HUDSON, MA 01749
3
Beds
1.5
Baths
1,193 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.
3,920 ft²
Lot SizeThe size of the land the home sits on, from county records.
1890
Year BuiltThe year the home was originally built, according to county records.
2
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

$548K
$512K low$585K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$324,000 · Oct 23, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,104 (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.$511,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$152,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$359,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$481,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$470,440

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.2 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

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.Conventional
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.0.09
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
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(8)

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.

H
Hudson High SchoolC
High · Grades 8–12 · 0.7 mi
E
C a FarleyB-
Elementary · Grades PK–4 · 0.7 mi
M
David J. Quinn Middle SchoolC
Middle · Grades 5–7 · 1.1 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

100 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 80% of homes in Middlesex County
  • Costs more per square foot than 77% of homes in Hudson 01749
  • Smaller than 81% of homes in Middlesex County
  • Among the smallest lots in Hudson 01749
  • Older than 93% 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 35% 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$548,400
CheaperTypical $595,950Pricier

Pricier than 35% of homes nearby

Price per ft²$460
CheaperTypical $375Pricier

Pricier than 77% of homes nearby

Living area1,193 ft²
SmallerTypical 1,584 ft²Bigger

Bigger than 26% of homes nearby

Lot size3,920 ft²
SmallerTypical 0.43 acBigger

Smaller than almost all homes nearby

Year built1890
OlderTypical 1966Newer

Newer than 7% of homes nearby

How 100 River St ranks against every home in each area.
MeasureThis homeHudson 01749Middlesex County
Estimated valuepricier than$548,40035% of homes20% of homes
Price per ft²pricier than$46077% of homes50% of homes
Living areabigger than1,193 ft²26% of homes19% of homes
Lot sizebigger than3,920 ft²almost no homes9% of homes
Year builtnewer than18907% of homes8% of homes

About 100 River St

How much is 100 River St, Hudson, MA worth?

The TopHap Estimate for 100 River St, Hudson, MA is $548,400 as of Aug 30, 2026. The likely range is $511,807 to $584,993. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 100 River St, Hudson, MA last sell?

100 River St, Hudson, MA last sold on Oct 23, 2019 for $324,000, according to the county's recorded deed. TopHap holds 6 recorded sales for this parcel.

How big is 100 River St, Hudson, MA?

100 River St, Hudson, MA has 3 bedrooms, 1.5 bathrooms, 1,193 square feet of living space and a 0.09-acre lot.

When was 100 River St, Hudson, MA built?

100 River St, Hudson, MA was built in 1890, making it 136 years old. It is a conventional home. The building has 2 stories.

What schools serve 100 River St, Hudson, MA?

100 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 100 River St, Hudson, MA compare to other homes in Hudson 01749?

Among the 6,463 homes in Hudson 01749, it is worth more than 35% of them ($548,400 against a typical $595,950), its price per square foot is higher than 77% of them ($460 against a typical $375), it is bigger than 26% of them (1,193 ft² against a typical 1,584 ft²), its lot is bigger than almost none of them (3,920 ft² against a typical 0.43 ac) and it is newer than 7% of them (1890 against a typical 1966). Measured against all of Middlesex County, it is worth more than 20% 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 100 River St, Hudson, MA?

The 2025 property tax bill for 100 River St, Hudson, MA was $7,104. The county assessed it at $511,800.

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