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Single Family ResidenceResidential
$699,683$283 / 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 93How 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 $625,000 on Mar 14, 2022

42 SOUTHVIEW LN

ALTON BAY, NH 03810
3
Beds
2.5
Baths
2,473 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.
2.51 ac
Lot SizeThe size of the land the home sits on, from county records.
1991
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$700K
$648K low$752K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$625,000 · Mar 14, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,282 (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.$329,900 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$104,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$225,300

Climate Risk

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.30%

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
CountyBELKNAP
Lot (acres)The size of the land the home sits on, from county records.2.51
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.No Garage
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

Transaction History(2)

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
Alton Central School (Elementary)C+
Elementary · Grades PK–8 · 3.9 mi
H
Prospect Mountain High SchoolC
High · Grades 9–12 · 5.0 mi

District: Prospect Mountain High School Joint Maintenance Agreement District

Neighborhood · ZIP 03810These 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.115
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 100.119

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.51%
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.4.5%
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.2,439
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.68 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$110,264
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$143,759
Average tempThe average temperature here across a full year.43°F
Annual precipHow much rain and melted snow falls here in a typical year.47 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

42 Southview Ln 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 69% of homes in Belknap County
  • Costs less per square foot than 81% of homes in Alton Bay 03810
  • Bigger than 83% of homes in Belknap County
  • Has a bigger lot than 90% of homes in Alton Bay 03810
  • Newer than 65% of homes in Belknap County

What homes are worth in Alton Bay 03810

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

This home
$271K$3.6M

This home is worth more than 44% of homes in Alton Bay 03810.

How it measures up in Alton Bay 03810

The dot is this home. The mark in the middle is the typical home in Alton Bay 03810.

Estimated value$699,683
CheaperTypical $764,543Pricier

Pricier than 44% of homes nearby

Price per ft²$283
CheaperTypical $492Pricier

Pricier than 19% of homes nearby

Living area2,473 ft²
SmallerTypical 1,635 ft²Bigger

Bigger than 77% of homes nearby

Lot size2.51 ac
SmallerTypical 0.65 acBigger

Bigger than 90% of homes nearby

Year built1991
OlderTypical 1980Newer

Newer than 64% of homes nearby

How 42 Southview Ln ranks against every home in each area.
MeasureThis homeAlton Bay 03810Belknap County
Estimated valuepricier than$699,68344% of homes69% of homes
Price per ft²pricier than$28319% of homes33% of homes
Living areabigger than2,473 ft²77% of homes83% of homes
Lot sizebigger than2.51 ac90% of homes76% of homes
Year builtnewer than199164% of homes65% of homes

About 42 Southview Ln

How much is 42 Southview Ln, Alton Bay, NH worth?

The TopHap Estimate for 42 Southview Ln, Alton Bay, NH is $699,683 as of Sep 24, 2026. The likely range is $647,562 to $751,804. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 42 Southview Ln, Alton Bay, NH last sell?

42 Southview Ln, Alton Bay, NH last sold on Mar 14, 2022 for $625,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 42 Southview Ln, Alton Bay, NH?

42 Southview Ln, Alton Bay, NH has 3 bedrooms, 2.5 bathrooms, 2,473 square feet of living space and a 2.51-acre lot.

When was 42 Southview Ln, Alton Bay, NH built?

42 Southview Ln, Alton Bay, NH was built in 1991, making it 35 years old. It is a cape cod home. The building has 2 stories.

What schools serve 42 Southview Ln, Alton Bay, NH?

42 Southview Ln, Alton Bay, NH is assigned to Alton Central School (Elementary) (elementary), rated C+; Prospect Mountain High School (high), rated C. All sit in Prospect Mountain High School Joint Maintenance Agreement District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 42 Southview Ln, Alton Bay, NH compare to other homes in Alton Bay 03810?

Among the 2,263 homes in Alton Bay 03810, it is worth more than 44% of them ($699,683 against a typical $764,543), its price per square foot is higher than 19% of them ($283 against a typical $492), it is bigger than 77% of them (2,473 ft² against a typical 1,635 ft²), its lot is bigger than 90% of them (2.51 ac against a typical 0.65 ac) and it is newer than 64% of them (1991 against a typical 1980). Measured against all of Belknap County, it is worth more than 69% 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 42 Southview Ln, Alton Bay, NH?

The 2024 property tax bill for 42 Southview Ln, Alton Bay, NH was $4,282. The county assessed it at $329,900.

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