Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$543,208$344 / 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

51 ROGER ST

ALTON BAY, NH 03810
4
Beds
2.5
Baths
1,580 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.
5.36 ac
Lot SizeThe size of the land the home sits on, from county records.
1980
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$543K
$494K low$593K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,361 (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.$258,900 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$127,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$131,000

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.20 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%

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.Raised Ranch
CountyBELKNAP
Lot (acres)The size of the land the home sits on, from county records.5.36
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Radiant
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Basement
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

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)D
Elementary · Grades PK–8 · 5.5 mi
H
Prospect Mountain High School
High · Grades 9–12 · 6.6 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%

Owner Tools

Do you own this home?
Claim this home

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

51 Roger 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 74% of homes in Alton Bay 03810
  • Costs less per square foot than 67% of homes in Alton Bay 03810
  • Has a bigger lot than 96% 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
$274K$3.6M

This home is worth more than 26% 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$543,208
CheaperTypical $765,073Pricier

Pricier than 26% of homes nearby

Price per ft²$344
CheaperTypical $492Pricier

Pricier than 33% of homes nearby

Living area1,580 ft²
SmallerTypical 1,624 ft²Bigger

Bigger than 49% of homes nearby

Lot size5.36 ac
SmallerTypical 0.64 acBigger

Bigger than 96% of homes nearby

Year built1980
OlderTypical 1980Newer

Newer than 51% of homes nearby

How 51 Roger St ranks against every home in each area.
MeasureThis homeAlton Bay 03810Belknap County
Estimated valuepricier than$543,20826% of homes52% of homes
Price per ft²pricier than$34433% of homes54% of homes
Living areabigger than1,580 ft²49% of homes53% of homes
Lot sizebigger than5.36 ac96% of homes87% of homes
Year builtnewer than198051% of homes47% of homes

About 51 Roger St

How much is 51 Roger St, Alton Bay, NH worth?

The TopHap Estimate for 51 Roger St, Alton Bay, NH is $543,208 as of Sep 24, 2026. The likely range is $493,852 to $592,564. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 51 Roger St, Alton Bay, NH last sell?

51 Roger St, Alton Bay, NH last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 51 Roger St, Alton Bay, NH?

51 Roger St, Alton Bay, NH has 4 bedrooms, 2.5 bathrooms, 1,580 square feet of living space and a 5.36-acre lot.

When was 51 Roger St, Alton Bay, NH built?

51 Roger St, Alton Bay, NH was built in 1980, making it 46 years old. It is a raised ranch home. The building has 1 story.

What schools serve 51 Roger St, Alton Bay, NH?

51 Roger St, Alton Bay, NH is assigned to Alton Central School (Elementary) (elementary), rated D; Prospect Mountain High School (high). 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 51 Roger St, 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 26% of them ($543,208 against a typical $765,073), its price per square foot is higher than 33% of them ($344 against a typical $492), it is bigger than 49% of them (1,580 ft² against a typical 1,624 ft²), its lot is bigger than 96% of them (5.36 ac against a typical 0.64 ac) and it is newer than 51% of them (1980 against a typical 1980). Measured against all of Belknap County, it is worth more than 52% 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 51 Roger St, Alton Bay, NH?

The 2024 property tax bill for 51 Roger St, Alton Bay, NH was $3,361. The county assessed it at $258,900.

More homes on Roger St

Closest homes

More homes in Alton Bay 03810

Assigned schools

Explore the area

See this home in context

Open 51 Roger St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map