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Duplex (2 Units, Any Combination)Residential
Last sold for $145,000 on Apr 11, 2022

18 SOUTH ST

KEENE, NH 03431
2
Beds
2
Baths
1,379 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.
3,049 ft²
Lot SizeThe size of the land the home sits on, from county records.
1920
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

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$145,000 · Apr 11, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,540 (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.$161,200 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$34,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$126,600

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.35
14
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
4
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.
93
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
10
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.11 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.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
CountyCHESHIRE
Lot (acres)The size of the land the home sits on, from county records.0.07
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
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.

E
Wheelock Elementary SchoolC
Elementary · Grades KG–5 · 0.1 mi
H
Keene High SchoolB-
High · Grades 9–12 · 2.3 mi
M
Keene Middle SchoolC-
Middle · Grades 6–8 · 2.9 mi

District: Keene School District

Neighborhood · ZIP 03431These 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.106
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.82
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.66

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.6%
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.24,909
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.389 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$69,957
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$90,624
Average tempThe average temperature here across a full year.45°F
Annual precipHow much rain and melted snow falls here in a typical year.43 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 South 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.

  • Smaller than 66% of homes in Cheshire County
  • Among the smallest lots in Keene 03431
  • Older than 79% of homes in Cheshire County

How it measures up in Keene 03431

The dot is this home. The mark in the middle is the typical home in Keene 03431.

Living area1,379 ft²
SmallerTypical 1,500 ft²Bigger

Bigger than 42% of homes nearby

Lot size3,049 ft²
SmallerTypical 0.32 acBigger

Smaller than almost all homes nearby

Year built1920
OlderTypical 1957Newer

Newer than 27% of homes nearby

How 18 South St ranks against every home in each area.
MeasureThis homeKeene 03431Cheshire County
Living areabigger than1,379 ft²42% of homes34% of homes
Lot sizebigger than3,049 ft²almost no homesalmost no homes
Year builtnewer than192027% of homes21% of homes

About 18 South St

When did 18 South St, Keene, NH last sell?

18 South St, Keene, NH last sold on Apr 11, 2022 for $145,000, according to the county's recorded deed.

How big is 18 South St, Keene, NH?

18 South St, Keene, NH has 2 bedrooms, 2 bathrooms, 1,379 square feet of living space and a 0.07-acre lot.

When was 18 South St, Keene, NH built?

18 South St, Keene, NH was built in 1920, making it 106 years old. It is a duplex single home. The building has 2 stories.

What schools serve 18 South St, Keene, NH?

18 South St, Keene, NH is assigned to Wheelock Elementary School (elementary), rated C; Keene High School (high), rated B-; Keene Middle School (middle), rated C-. All sit in Keene School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18 South St, Keene, NH compare to other homes in Keene 03431?

Among the 7,077 homes in Keene 03431, it is bigger than 42% of them (1,379 ft² against a typical 1,500 ft²), its lot is bigger than almost none of them (3,049 ft² against a typical 0.32 ac) and it is newer than 27% of them (1920 against a typical 1957). 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 South St, Keene, NH?

The 2025 property tax bill for 18 South St, Keene, NH was $5,540. The county assessed it at $161,200.

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