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Single Family ResidenceResidential
$398,093$210 / 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 94How 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 $170,000 on Nov 3, 2008

18 ARCH ST

NORTHFIELD, NH 03276
3
Beds
1.5
Baths
1,894 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.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
1949
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$398K
$376K low$420K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$170,000 · Nov 3, 2008

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,160 (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.$281,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$81,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$199,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$321,575

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.
11
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
57
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
95
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
18
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.Cape Cod
CountyMERRIMACK
Lot (acres)The size of the land the home sits on, from county records.0.22
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

Transaction History(1)

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
Winnisquam Regional High SchoolD-
High · Grades 9–12 · 0.7 mi
M
Winnisquam Regional Middle SchoolC
Middle · Grades 5–8 · 0.7 mi
E
Southwick SchoolB-
Elementary · Grades KG–4 · 0.8 mi

District: Winnisquam Regional School District

Neighborhood · ZIP 03276These 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.129
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.81
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.122

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.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.9,198
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.223 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$77,677
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$89,090
Average tempThe average temperature here across a full year.45°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

18 Arch 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 75% of homes in Merrimack County
  • Costs less per square foot than 85% of homes in Merrimack County
  • Has a smaller lot than 89% of homes in Tilton 03276
  • Older than 77% of homes in Tilton 03276

What homes are worth in Tilton 03276

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

This home
$241K$867K

This home is worth more than 36% of homes in Tilton 03276.

How it measures up in Tilton 03276

The dot is this home. The mark in the middle is the typical home in Tilton 03276.

Estimated value$398,093
CheaperTypical $443,709Pricier

Pricier than 36% of homes nearby

Price per ft²$210
CheaperTypical $252Pricier

Pricier than 22% of homes nearby

Living area1,894 ft²
SmallerTypical 1,658 ft²Bigger

Bigger than 60% of homes nearby

Lot size0.22 ac
SmallerTypical 1.18 acBigger

Bigger than 11% of homes nearby

Year built1949
OlderTypical 1979Newer

Newer than 23% of homes nearby

How 18 Arch St ranks against every home in each area.
MeasureThis homeTilton 03276Merrimack County
Estimated valuepricier than$398,09336% of homes25% of homes
Price per ft²pricier than$21022% of homes15% of homes
Living areabigger than1,894 ft²60% of homes56% of homes
Lot sizebigger than0.22 ac11% of homes12% of homes
Year builtnewer than194923% of homes23% of homes

About 18 Arch St

How much is 18 Arch St, Northfield, NH worth?

The TopHap Estimate for 18 Arch St, Northfield, NH is $398,093 as of Sep 24, 2026. The likely range is $376,012 to $420,174. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Arch St, Northfield, NH last sell?

18 Arch St, Northfield, NH last sold on Nov 3, 2008 for $170,000, according to the county's recorded deed.

How big is 18 Arch St, Northfield, NH?

18 Arch St, Northfield, NH has 3 bedrooms, 1.5 bathrooms, 1,894 square feet of living space and a 0.22-acre lot.

When was 18 Arch St, Northfield, NH built?

18 Arch St, Northfield, NH was built in 1949, making it 77 years old. It is a cape cod home. The building has 2 stories.

What schools serve 18 Arch St, Northfield, NH?

18 Arch St, Northfield, NH is assigned to Winnisquam Regional High School (high), rated D-; Winnisquam Regional Middle School (middle), rated C; Southwick School (elementary), rated B-. All sit in Winnisquam Regional School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18 Arch St, Northfield, NH compare to other homes in Tilton 03276?

Among the 3,169 homes in Tilton 03276, it is worth more than 36% of them ($398,093 against a typical $443,709), its price per square foot is higher than 22% of them ($210 against a typical $252), it is bigger than 60% of them (1,894 ft² against a typical 1,658 ft²), its lot is bigger than 11% of them (0.22 ac against a typical 1.18 ac) and it is newer than 23% of them (1949 against a typical 1979). Measured against all of Merrimack County, it is worth more than 25% 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 18 Arch St, Northfield, NH?

The 2025 property tax bill for 18 Arch St, Northfield, NH was $4,160. The county assessed it at $281,300.

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