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Single Family ResidenceResidential
$719,854$214 / 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 96How 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 $357,000 on Dec 14, 2018

14A GREATSTONE DR

MERRIMACK, NH 03054
4
Beds
2.5
Baths
3,364 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.
5.44 ac
Lot SizeThe size of the land the home sits on, from county records.
1985
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.

Valuation

$720K
$690K low$750K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$357,000 · Dec 14, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,305 (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.$511,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$225,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$286,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$606,005

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.43
20
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
30
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
56
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.16 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.Colonial
CountyHILLSBOROUGH
Lot (acres)The size of the land the home sits on, from county records.5.44
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 With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.In-Ground Pool

Transaction History(6)

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
Merrimack Middle SchoolC+
Middle · Grades 7–8 · 1.1 mi
E
James Mastricola Elementary SchoolB
Elementary · Grades PK–4 · 3.1 mi
H
Merrimack High SchoolC
High · Grades 9–12 · 3.3 mi

District: Merrimack School District

Neighborhood · ZIP 03054These 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.49
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.88

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.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.27,283
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.817 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$123,868
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$143,079
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.45 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.54%

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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

14a Greatstone Dr 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 86% of homes in Merrimack 03054
  • Costs less per square foot than 92% of homes in Hillsborough County
  • Bigger than 93% of homes in Hillsborough County
  • Has a bigger lot than 98% of homes in Merrimack 03054

What homes are worth in Merrimack 03054

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

This home
$267K$945K

This home is worth more than 86% of homes in Merrimack 03054.

How it measures up in Merrimack 03054

The dot is this home. The mark in the middle is the typical home in Merrimack 03054.

Estimated value$719,854
CheaperTypical $549,742Pricier

Pricier than 86% of homes nearby

Price per ft²$214
CheaperTypical $263Pricier

Pricier than 9% of homes nearby

Living area3,364 ft²
SmallerTypical 2,005 ft²Bigger

Bigger than 92% of homes nearby

Lot size5.44 ac
SmallerTypical 0.62 acBigger

Bigger than 98% of homes nearby

Year built1985
OlderTypical 1984Newer

Newer than 56% of homes nearby

How 14a Greatstone Dr ranks against every home in each area.
MeasureThis homeMerrimack 03054Hillsborough County
Estimated valuepricier than$719,85486% of homes83% of homes
Price per ft²pricier than$2149% of homes8% of homes
Living areabigger than3,364 ft²92% of homes93% of homes
Lot sizebigger than5.44 ac98% of homes94% of homes
Year builtnewer than198556% of homes61% of homes

About 14a Greatstone Dr

How much is 14a Greatstone Dr, Merrimack, NH worth?

The TopHap Estimate for 14a Greatstone Dr, Merrimack, NH is $719,854 as of Aug 30, 2026. The likely range is $689,711 to $749,997. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 14a Greatstone Dr, Merrimack, NH last sell?

14a Greatstone Dr, Merrimack, NH last sold on Dec 14, 2018 for $357,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 14a Greatstone Dr, Merrimack, NH?

14a Greatstone Dr, Merrimack, NH has 4 bedrooms, 2.5 bathrooms, 3,364 square feet of living space and a 5.44-acre lot.

When was 14a Greatstone Dr, Merrimack, NH built?

14a Greatstone Dr, Merrimack, NH was built in 1985, making it 41 years old. It is a colonial home. The building has 2 stories.

What schools serve 14a Greatstone Dr, Merrimack, NH?

14a Greatstone Dr, Merrimack, NH is assigned to Merrimack Middle School (middle), rated C+; James Mastricola Elementary School (elementary), rated B; Merrimack High School (high), rated C. All sit in Merrimack School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 14a Greatstone Dr, Merrimack, NH compare to other homes in Merrimack 03054?

Among the 9,896 homes in Merrimack 03054, it is worth more than 86% of them ($719,854 against a typical $549,742), its price per square foot is higher than 9% of them ($214 against a typical $263), it is bigger than 92% of them (3,364 ft² against a typical 2,005 ft²), its lot is bigger than 98% of them (5.44 ac against a typical 0.62 ac) and it is newer than 56% of them (1985 against a typical 1984). Measured against all of Hillsborough County, it is worth more than 83% 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 14a Greatstone Dr, Merrimack, NH?

The 2025 property tax bill for 14a Greatstone Dr, Merrimack, NH was $11,305. The county assessed it at $511,300.

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