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Single Family ResidenceResidential
$944,852$335 / 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 97How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $765,000 on Dec 30, 2022

380 UNDERWOOD ST

HOLLISTON, MA 01746
4
Beds
3 / 2
Baths
2,824 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.
5.3 ac
Lot SizeThe size of the land the home sits on, from county records.
1979
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$945K
$912K low$978K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$765,000 · Dec 30, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,304 (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.$771,600 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$280,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$491,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$877,420

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.40
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
18
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
58
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
93
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
32
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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.Contemporary
CountyMIDDLESEX
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2007
Lot (acres)The size of the land the home sits on, from county records.5.30
ConstructionThe main material the home's frame and walls are built from.Concrete
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Basement
PoolWhether the property has a pool, and what kind, such as in-ground.Yes

Transaction History(5)

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
Holliston High SchoolA-
High · Grades 9–12 · 1.3 mi
M
Robert H. Adams Middle SchoolA
Middle · Grades 6–8 · 2.0 mi
E
Placentino Elementary School
Elementary · Grades PK–2 · 2.1 mi

District: Holliston School District

Neighborhood · ZIP 01746These 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.11
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.93
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.67

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.39%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.15,460
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.813 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$148,945
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$184,552
Average tempThe average temperature here across a full year.49°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

380 Underwood 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 more than 76% of homes in Holliston 01746
  • Costs less per square foot than 83% of homes in Middlesex County
  • Bigger than 82% of homes in Middlesex County
  • Has a bigger lot than 94% of homes in Middlesex County
  • Newer than 71% of homes in Middlesex County

What homes are worth in Holliston 01746

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

This home
$227K$1.5M

This home is worth more than 76% of homes in Holliston 01746.

How it measures up in Holliston 01746

The dot is this home. The mark in the middle is the typical home in Holliston 01746.

Estimated value$944,852
CheaperTypical $728,839Pricier

Pricier than 76% of homes nearby

Price per ft²$335
CheaperTypical $390Pricier

Pricier than 19% of homes nearby

Living area2,824 ft²
SmallerTypical 1,901 ft²Bigger

Bigger than 80% of homes nearby

Lot size5.3 ac
SmallerTypical 0.7 acBigger

Bigger than 91% of homes nearby

Year built1979
OlderTypical 1968Newer

Newer than 65% of homes nearby

How 380 Underwood St ranks against every home in each area.
MeasureThis homeHolliston 01746Middlesex County
Estimated valuepricier than$944,85276% of homes67% of homes
Price per ft²pricier than$33519% of homes17% of homes
Living areabigger than2,824 ft²80% of homes82% of homes
Lot sizebigger than5.3 ac91% of homes94% of homes
Year builtnewer than197965% of homes71% of homes

About 380 Underwood St

How much is 380 Underwood St, Holliston, MA worth?

The TopHap Estimate for 380 Underwood St, Holliston, MA is $944,852 as of Oct 21, 2026. The likely range is $911,883 to $977,821. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 380 Underwood St, Holliston, MA last sell?

380 Underwood St, Holliston, MA last sold on Dec 30, 2022 for $765,000, according to the county's recorded deed.

How big is 380 Underwood St, Holliston, MA?

380 Underwood St, Holliston, MA has 4 bedrooms, 3 bathrooms, 2,824 square feet of living space and a 5.30-acre lot.

When was 380 Underwood St, Holliston, MA built?

380 Underwood St, Holliston, MA was built in 1979, making it 47 years old. It is a contemporary home. The building has 2 stories.

What schools serve 380 Underwood St, Holliston, MA?

380 Underwood St, Holliston, MA is assigned to Holliston High School (high), rated A-; Robert H. Adams Middle School (middle), rated A; Placentino Elementary School (elementary). All sit in Holliston School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 380 Underwood St, Holliston, MA compare to other homes in Holliston 01746?

Among the 5,229 homes in Holliston 01746, it is worth more than 76% of them ($944,852 against a typical $728,839), its price per square foot is higher than 19% of them ($335 against a typical $390), it is bigger than 80% of them (2,824 ft² against a typical 1,901 ft²), its lot is bigger than 91% of them (5.3 ac against a typical 0.7 ac) and it is newer than 65% of them (1979 against a typical 1968). Measured against all of Middlesex County, it is worth more than 67% 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 380 Underwood St, Holliston, MA?

The 2025 property tax bill for 380 Underwood St, Holliston, MA was $11,304. The county assessed it at $771,600.

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