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Single Family ResidenceResidential
$555,312$419 / 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 Sep 24, 2026
Last sold for $340,000 on Apr 20, 2018

20 PROSPECT ST

MERRIMAC, MA 01860
4
Beds
1
Baths
1,326 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.
0.33 ac
Lot SizeThe size of the land the home sits on, from county records.
1950
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.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$555K
$539K low$571K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$340,000 · Apr 20, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,483 (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.$489,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$293,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$195,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$487,635

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
CountyESSEX
Lot (acres)The size of the land the home sits on, from county records.0.33
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.Hot Water
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.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.

E
Dr. Frederick N. Sweetsir Elementary School
Elementary · Grades PK–2 · 0.5 mi
H
Pentucket Regional High SchoolB+
High · Grades 9–12 · 3.6 mi
M
Pentucket Regional Middle SchoolC+
Middle · Grades 7–8 · 3.7 mi

District: Pentucket School District

Neighborhood · ZIP 01860These 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.79
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.94
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.95

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.24%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.0%
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.6,895
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.759 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$111,610
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$115,088
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.47 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

20 Prospect 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 74% of homes in Merrimac 01860
  • Costs more per square foot than 83% of homes in Merrimac 01860
  • Smaller than 84% of homes in Merrimac 01860
  • Has a smaller lot than 69% of homes in Merrimac 01860
  • Older than 69% of homes in Merrimac 01860

What homes are worth in Merrimac 01860

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

This home
$375K$1.2M

This home is worth more than 26% of homes in Merrimac 01860.

How it measures up in Merrimac 01860

The dot is this home. The mark in the middle is the typical home in Merrimac 01860.

Estimated value$555,312
CheaperTypical $669,383Pricier

Pricier than 26% of homes nearby

Price per ft²$419
CheaperTypical $353Pricier

Pricier than 83% of homes nearby

Living area1,326 ft²
SmallerTypical 1,935 ft²Bigger

Bigger than 16% of homes nearby

Lot size0.33 ac
SmallerTypical 0.53 acBigger

Bigger than 31% of homes nearby

Year built1950
OlderTypical 1984Newer

Newer than 31% of homes nearby

How 20 Prospect St ranks against every home in each area.
MeasureThis homeMerrimac 01860Essex County
Estimated valuepricier than$555,31226% of homes27% of homes
Price per ft²pricier than$41983% of homes56% of homes
Living areabigger than1,326 ft²16% of homes25% of homes
Lot sizebigger than0.33 ac31% of homes57% of homes
Year builtnewer than195031% of homes44% of homes

About 20 Prospect St

How much is 20 Prospect St, Merrimac, MA worth?

The TopHap Estimate for 20 Prospect St, Merrimac, MA is $555,312 as of Sep 24, 2026. The likely range is $539,212 to $571,412. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20 Prospect St, Merrimac, MA last sell?

20 Prospect St, Merrimac, MA last sold on Apr 20, 2018 for $340,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 20 Prospect St, Merrimac, MA?

20 Prospect St, Merrimac, MA has 4 bedrooms, 1 bathrooms, 1,326 square feet of living space and a 0.33-acre lot.

When was 20 Prospect St, Merrimac, MA built?

20 Prospect St, Merrimac, MA was built in 1950, making it 76 years old. It is a cape cod home. The building has 2 stories.

What schools serve 20 Prospect St, Merrimac, MA?

20 Prospect St, Merrimac, MA is assigned to Dr. Frederick N. Sweetsir Elementary School (elementary); Pentucket Regional High School (high), rated B+; Pentucket Regional Middle School (middle), rated C+. All sit in Pentucket School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20 Prospect St, Merrimac, MA compare to other homes in Merrimac 01860?

Among the 2,134 homes in Merrimac 01860, it is worth more than 26% of them ($555,312 against a typical $669,383), its price per square foot is higher than 83% of them ($419 against a typical $353), it is bigger than 16% of them (1,326 ft² against a typical 1,935 ft²), its lot is bigger than 31% of them (0.33 ac against a typical 0.53 ac) and it is newer than 31% of them (1950 against a typical 1984). Measured against all of Essex County, it is worth more than 27% 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 20 Prospect St, Merrimac, MA?

The 2025 property tax bill for 20 Prospect St, Merrimac, MA was $6,483. The county assessed it at $489,300.

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