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Single Family ResidenceResidential
$509,540$360 / 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 90How 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 $260,000 on Jun 29, 2018

18 KARWENDAL STRASSE

BARTLETT, NH 03812
3
Beds
3 / 2
Baths
1,414 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.
0.81 ac
Lot SizeThe size of the land the home sits on, from county records.
1970
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$510K
$461K low$558K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$260,000 · Jun 29, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,375 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$425,700 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$163,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$262,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$443,935

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.34
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
5
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
53
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
97
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
16
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
CountyCARROLL
Lot (acres)The size of the land the home sits on, from county records.0.81
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.Radiant
FireplaceWhether the home has a fireplace, and what kind.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
Josiah Bartlett Elementary SchoolD
Elementary · Grades PK–8 · 6.0 mi
H
Kennett High SchoolD
High · Grades 9–12 · 9.1 mi

District: Conway School District

Neighborhood · ZIP 03812These 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.162
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 100.105

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.36%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.6%
PopulationHow many people live in this area.1,027
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.13 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$83,900
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$135,105
Average tempThe average temperature here across a full year.41°F
Annual precipHow much rain and melted snow falls here in a typical year.53 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.33%

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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 Karwendal Strasse 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.

  • Costs more per square foot than 78% of homes in Bartlett 03812
  • Older than 85% of homes in Bartlett 03812

What homes are worth in Bartlett 03812

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

This home
$166K$1.3M

This home is worth more than 62% of homes in Bartlett 03812.

How it measures up in Bartlett 03812

The dot is this home. The mark in the middle is the typical home in Bartlett 03812.

Estimated value$509,540
CheaperTypical $457,695Pricier

Pricier than 62% of homes nearby

Price per ft²$360
CheaperTypical $303Pricier

Pricier than 78% of homes nearby

Living area1,414 ft²
SmallerTypical 1,445 ft²Bigger

Bigger than 48% of homes nearby

Lot size0.81 ac
SmallerTypical 0.7 acBigger

Bigger than 56% of homes nearby

Year built1970
OlderTypical 1986Newer

Newer than 15% of homes nearby

How 18 Karwendal Strasse ranks against every home in each area.
MeasureThis homeBartlett 03812Carroll County
Estimated valuepricier than$509,54062% of homes44% of homes
Price per ft²pricier than$36078% of homes67% of homes
Living areabigger than1,414 ft²48% of homes37% of homes
Lot sizebigger than0.81 ac56% of homes41% of homes
Year builtnewer than197015% of homes30% of homes

About 18 Karwendal Strasse

How much is 18 Karwendal Strasse, Bartlett, NH worth?

The TopHap Estimate for 18 Karwendal Strasse, Bartlett, NH is $509,540 as of Sep 24, 2026. The likely range is $460,811 to $558,269. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Karwendal Strasse, Bartlett, NH last sell?

18 Karwendal Strasse, Bartlett, NH last sold on Jun 29, 2018 for $260,000, according to the county's recorded deed.

How big is 18 Karwendal Strasse, Bartlett, NH?

18 Karwendal Strasse, Bartlett, NH has 3 bedrooms, 3 bathrooms, 1,414 square feet of living space and a 0.81-acre lot.

When was 18 Karwendal Strasse, Bartlett, NH built?

18 Karwendal Strasse, Bartlett, NH was built in 1970, making it 56 years old. The building has 2 stories.

What schools serve 18 Karwendal Strasse, Bartlett, NH?

18 Karwendal Strasse, Bartlett, NH is assigned to Josiah Bartlett Elementary School (elementary), rated D; Kennett High School (high), rated D. All sit in Conway School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18 Karwendal Strasse, Bartlett, NH compare to other homes in Bartlett 03812?

Among the 3,443 homes in Bartlett 03812, it is worth more than 62% of them ($509,540 against a typical $457,695), its price per square foot is higher than 78% of them ($360 against a typical $303), it is bigger than 48% of them (1,414 ft² against a typical 1,445 ft²), its lot is bigger than 56% of them (0.81 ac against a typical 0.7 ac) and it is newer than 15% of them (1970 against a typical 1986). Measured against all of Carroll County, it is worth more than 44% 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 Karwendal Strasse, Bartlett, NH?

The 2024 property tax bill for 18 Karwendal Strasse, Bartlett, NH was $2,375. The county assessed it at $425,700.

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