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CondominiumResidential
$454,110$381 / 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 Sep 24, 2026
Last sold for $430,000 on Mar 15, 2024

20 GROVE ST

MERRIMAC, MA 01860
3
Beds
1
Baths
1,192 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.
1900
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

$454K
$424K low$484K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$430,000 · Mar 15, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,397 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$409,200 (2026)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$409,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$367,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$418,079

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.36
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
17
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
55
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
86
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
25
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.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyESSEX
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.2023
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
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
Dr. Frederick N. Sweetsir Elementary School
Elementary · Grades PK–2 · 0.6 mi
M
Pentucket Regional Middle SchoolB-
Middle · Grades 7–8 · 3.5 mi
H
Pentucket Regional High SchoolB+
High · Grades 9–12 · 3.5 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 Grove 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 91% of homes in Merrimac 01860
  • Costs more per square foot than 67% of homes in Merrimac 01860
  • Smaller than 91% of homes in Merrimac 01860
  • Older than 80% 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
$367K$1.2M

This home is worth more than 9% 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$454,110
CheaperTypical $668,117Pricier

Pricier than 9% of homes nearby

Price per ft²$381
CheaperTypical $353Pricier

Pricier than 67% of homes nearby

Living area1,192 ft²
SmallerTypical 1,938 ft²Bigger

Bigger than 9% of homes nearby

Year built1900
OlderTypical 1983Newer

Newer than 20% of homes nearby

How 20 Grove St ranks against every home in each area.
MeasureThis homeMerrimac 01860Essex County
Estimated valuepricier than$454,1109% of homes13% of homes
Price per ft²pricier than$38167% of homes41% of homes
Living areabigger than1,192 ft²9% of homes18% of homes
Year builtnewer than190020% of homes21% of homes

About 20 Grove St

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

The TopHap Estimate for 20 Grove St, Merrimac, MA is $454,110 as of Sep 24, 2026. The likely range is $424,028 to $484,192. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

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

20 Grove St, Merrimac, MA last sold on Mar 15, 2024 for $430,000, according to the county's recorded deed.

How big is 20 Grove St, Merrimac, MA?

20 Grove St, Merrimac, MA has 3 bedrooms, 1 bathrooms and 1,192 square feet of living space.

When was 20 Grove St, Merrimac, MA built?

20 Grove St, Merrimac, MA was built in 1900, making it 126 years old. It is a condo/apartment home. The building has 2 stories.

What schools serve 20 Grove St, Merrimac, MA?

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

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

Among the 2,133 homes in Merrimac 01860, it is worth more than 9% of them ($454,110 against a typical $668,117), its price per square foot is higher than 67% of them ($381 against a typical $353), it is bigger than 9% of them (1,192 ft² against a typical 1,938 ft²) and it is newer than 20% of them (1900 against a typical 1983). Measured against all of Essex County, it is worth more than 13% 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 Grove St, Merrimac, MA?

The 2026 property tax bill for 20 Grove St, Merrimac, MA was $5,397. The county assessed it at $409,200.

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