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Apartments (Generic)Residential

21 MERRIMACK ST

CONCORD, NH 03301
2
Baths
6,428 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.
0.24 ac
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
21
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$17,993 (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.$618,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$118,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$499,600

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.7
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
13
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. 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.Apartments (Generic)
CountyMERRIMACK
Lot (acres)The size of the land the home sits on, from county records.0.24
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.Slate
HeatingThe type of heating system in the home.Steam
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

M
Merrimack Valley Middle SchoolC-
Middle · Grades 6–8 · 0.6 mi
H
Merrimack Valley High SchoolC-
High · Grades 9–12 · 0.6 mi
E
Penacook Elementary SchoolD-
Elementary · Grades PK–5 · 0.9 mi

District: Merrimack Valley School District

Neighborhood · ZIP 03301These 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.107
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.112

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.96%
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.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.7%
PopulationHow many people live in this area.35,397
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.661 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$88,381
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$106,718
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.40 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

21 Merrimack 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.

  • Among the largest homes in Concord 03301
  • Has a smaller lot than 86% of homes in Merrimack County
  • Older than 86% of homes in Merrimack County

How it measures up in Concord 03301

The dot is this home. The mark in the middle is the typical home in Concord 03301.

Living area6,428 ft²
SmallerTypical 1,581 ft²Bigger

Bigger than almost all homes nearby

Lot size0.24 ac
SmallerTypical 0.34 acBigger

Bigger than 36% of homes nearby

Year built1900
OlderTypical 1964Newer

Newer than 25% of homes nearby

How 21 Merrimack St ranks against every home in each area.
MeasureThis homePenacookConcord 03301Merrimack County
Living areabigger than6,428 ft²almost all homesalmost all homesalmost all homes
Lot sizebigger than0.24 ac32% of homes36% of homes14% of homes
Year builtnewer than190020% of homes25% of homes14% of homes

About 21 Merrimack St

When did 21 Merrimack St, Concord, NH last sell?

21 Merrimack St, Concord, NH last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 21 Merrimack St, Concord, NH?

21 Merrimack St, Concord, NH has 2 bathrooms, 6,428 square feet of living space and a 0.24-acre lot.

When was 21 Merrimack St, Concord, NH built?

21 Merrimack St, Concord, NH was built in 1900, making it 126 years old. The building has 3 stories.

What schools serve 21 Merrimack St, Concord, NH?

21 Merrimack St, Concord, NH is assigned to Merrimack Valley Middle School (middle), rated C-; Merrimack Valley High School (high), rated C-; Penacook Elementary School (elementary), rated D-. All sit in Merrimack Valley School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Merrimack St, Concord, NH compare to other homes in Concord 03301?

Among the 8,695 homes in Concord 03301, it is bigger than almost all of them (6,428 ft² against a typical 1,581 ft²), its lot is bigger than 36% of them (0.24 ac against a typical 0.34 ac) and it is newer than 25% of them (1900 against a typical 1964). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 21 Merrimack St, Concord, NH?

The 2025 property tax bill for 21 Merrimack St, Concord, NH was $17,993. The county assessed it at $618,100.

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