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Single Family ResidenceResidential
$867,399$513 / 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 91How 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

104 E SIDE DR

ALTON BAY, NH 03810
5
Beds
1.5
Baths
1,690 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.
0.26 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.
2
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$867K
$791K low$944K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,426 (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.$341,000 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$167,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$174,000

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.134 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.Cottage
CountyBELKNAP
Lot (acres)The size of the land the home sits on, from county records.0.26
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
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.DeckBoat access

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 · 1.7 mi
H
Prospect Mountain High SchoolC
High · Grades 9–12 · 2.9 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

104 E Side Dr 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 80% of homes in Belknap County
  • Costs more per square foot than 78% of homes in Belknap County
  • Has a smaller lot than 84% of homes in Belknap County
  • Older than 95% of homes in Alton Bay 03810

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
$270K$3.6M

This home is worth more than 59% 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$867,399
CheaperTypical $761,650Pricier

Pricier than 59% of homes nearby

Price per ft²$513
CheaperTypical $491Pricier

Pricier than 53% of homes nearby

Living area1,690 ft²
SmallerTypical 1,620 ft²Bigger

Bigger than 53% of homes nearby

Lot size0.26 ac
SmallerTypical 0.64 acBigger

Bigger than 18% of homes nearby

Year built1900
OlderTypical 1980Newer

Newer than 5% of homes nearby

How 104 E Side Dr ranks against every home in each area.
MeasureThis homeAlton Bay 03810Belknap County
Estimated valuepricier than$867,39959% of homes80% of homes
Price per ft²pricier than$51353% of homes78% of homes
Living areabigger than1,690 ft²53% of homes58% of homes
Lot sizebigger than0.26 ac18% of homes16% of homes
Year builtnewer than19005% of homes9% of homes

About 104 E Side Dr

How much is 104 E Side Dr, Alton Bay, NH worth?

The TopHap Estimate for 104 E Side Dr, Alton Bay, NH is $867,399 as of Sep 24, 2026. The likely range is $791,121 to $943,677. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 104 E Side Dr, Alton Bay, NH last sell?

104 E Side Dr, Alton Bay, NH last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 104 E Side Dr, Alton Bay, NH?

104 E Side Dr, Alton Bay, NH has 5 bedrooms, 1.5 bathrooms, 1,690 square feet of living space and a 0.26-acre lot.

When was 104 E Side Dr, Alton Bay, NH built?

104 E Side Dr, Alton Bay, NH was built in 1900, making it 126 years old. It is a cottage home. The building has 2 stories.

What schools serve 104 E Side Dr, Alton Bay, NH?

104 E Side Dr, 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 104 E Side Dr, 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 59% of them ($867,399 against a typical $761,650), its price per square foot is higher than 53% of them ($513 against a typical $491), it is bigger than 53% of them (1,690 ft² against a typical 1,620 ft²), its lot is bigger than 18% of them (0.26 ac against a typical 0.64 ac) and it is newer than 5% of them (1900 against a typical 1980). Measured against all of Belknap County, it is worth more than 80% 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 104 E Side Dr, Alton Bay, NH?

The 2024 property tax bill for 104 E Side Dr, Alton Bay, NH was $4,426. The county assessed it at $341,000.

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