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Single Family ResidenceResidential
$835,054$325 / 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 Jul 14, 2026
Last sold for $179,000 on Oct 15, 1992

27 RIVER ST

WESTFORD, MA 01886
3
Beds
3 / 1
Baths
2,573 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.
0.56 ac
Lot SizeThe size of the land the home sits on, from county records.
1978
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$835K
$791K low$879K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$179,000 · Oct 15, 1992
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$735,054
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$588,043
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.12%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$100,000
RBS CITIZENS NA · recorded Nov 14, 2011

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,355 (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.$694,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$297,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$396,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$664,500

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.101 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.Cape Cod
CountyMiddlesex
Lot (acres)The size of the land the home sits on, from county records.0.56
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air
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

Transaction History(2)

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
Lloyd G. Blanchard Middle SchoolA-
Middle · Grades 6–8 · 1.0 mi
H
Westford AcademyA
High · Grades 9–12 · 1.2 mi
E
Rita E. Miller Elementary School
Elementary · Grades PK–2 · 3.6 mi

District: Westford School District

Neighborhood · ZIP 01886These 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.19
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.99
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.80

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.93%
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.1.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.25,048
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.803 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$163,754
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$183,117
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.46 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

27 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.

  • Costs less per square foot than 92% of homes in Westford 01886
  • Bigger than 76% of homes in Middlesex County
  • Has a smaller lot than 71% of homes in Westford 01886
  • Newer than 70% of homes in Middlesex County

What homes are worth in Westford 01886

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

This home
$323K$1.6M

This home is worth more than 50% of homes in Westford 01886.

How it measures up in Westford 01886

The dot is this home. The mark in the middle is the typical home in Westford 01886.

Estimated value$835,054
CheaperTypical $835,072Pricier

Pricier than 50% of homes nearby

Price per ft²$325
CheaperTypical $421Pricier

Pricier than 8% of homes nearby

Living area2,573 ft²
SmallerTypical 2,068 ft²Bigger

Bigger than 73% of homes nearby

Lot size0.56 ac
SmallerTypical 0.92 acBigger

Bigger than 29% of homes nearby

Year built1978
OlderTypical 1984Newer

Newer than 42% of homes nearby

How 27 River St ranks against every home in each area.
MeasureThis homeWestford 01886Middlesex County
Estimated valuepricier than$835,05450% of homes55% of homes
Price per ft²pricier than$3258% of homes13% of homes
Living areabigger than2,573 ft²73% of homes76% of homes
Lot sizebigger than0.56 ac29% of homes68% of homes
Year builtnewer than197842% of homes70% of homes

About 27 River St

How much is 27 River St, Westford, MA worth?

The TopHap Estimate for 27 River St, Westford, MA is $835,054 as of Jul 14, 2026. The likely range is $790,846 to $879,262. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 27 River St, Westford, MA last sell?

27 River St, Westford, MA last sold on Oct 15, 1992 for $179,000, according to the county's recorded deed.

How big is 27 River St, Westford, MA?

27 River St, Westford, MA has 3 bedrooms, 3 bathrooms, 2,573 square feet of living space and a 0.56-acre lot.

When was 27 River St, Westford, MA built?

27 River St, Westford, MA was built in 1978, making it 48 years old. It is a cape cod home. The building has 2 stories.

What schools serve 27 River St, Westford, MA?

27 River St, Westford, MA is assigned to Lloyd G. Blanchard Middle School (middle), rated A-; Westford Academy (high), rated A; Rita E. Miller Elementary School (elementary). All sit in Westford School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 27 River St, Westford, MA compare to other homes in Westford 01886?

Among the 8,171 homes in Westford 01886, it is worth more than 50% of them ($835,054 against a typical $835,072), its price per square foot is higher than 8% of them ($325 against a typical $421), it is bigger than 73% of them (2,573 ft² against a typical 2,068 ft²), its lot is bigger than 29% of them (0.56 ac against a typical 0.92 ac) and it is newer than 42% of them (1978 against a typical 1984). Measured against all of Middlesex County, it is worth more than 55% 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 27 River St, Westford, MA?

The 2025 property tax bill for 27 River St, Westford, MA was $9,355. The county assessed it at $694,500.

More homes on River St

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Assigned schools

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