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Single Family ResidenceResidential
$164,642$156 / 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 Aug 30, 2026

646 BLAIS ST

BERLIN, NH 03570
3
Beds
1
Baths
1,056 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
1978
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$165K
$150K low$180K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,265 (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.$156,700 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$24,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$132,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$170,050

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.Ranch
CountyCOOS
Lot (acres)The size of the land the home sits on, from county records.0.23
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
PoolWhether the property has a pool, and what kind, such as in-ground.No

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Berlin Elementary SchoolB-
Elementary · Grades PK–5 · 1.2 mi
M
Berlin Middle SchoolD+
Middle · Grades 7–8 · 1.8 mi
H
Berlin High SchoolD
High · Grades 9–12 · 1.8 mi

District: Berlin School District

Neighborhood · ZIP 03570These 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.91
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.85
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.85

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.83%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.12%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
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.9,357
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.118 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$48,012
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$70,383
Average tempThe average temperature here across a full year.40°F
Annual precipHow much rain and melted snow falls here in a typical year.45 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

646 Blais 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 77% of homes in Coos County
  • Costs more per square foot than 67% of homes in Berlin 03570
  • Smaller than 80% of homes in Berlin 03570
  • Has a smaller lot than 80% of homes in Coos County
  • Newer than 93% of homes in Berlin 03570

What homes are worth in Berlin 03570

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

This home
$81K$347K

This home is worth more than 43% of homes in Berlin 03570.

How it measures up in Berlin 03570

The dot is this home. The mark in the middle is the typical home in Berlin 03570.

Estimated value$164,642
CheaperTypical $173,408Pricier

Pricier than 43% of homes nearby

Price per ft²$156
CheaperTypical $135Pricier

Pricier than 67% of homes nearby

Living area1,056 ft²
SmallerTypical 1,366 ft²Bigger

Bigger than 20% of homes nearby

Lot size0.23 ac
SmallerTypical 0.22 acBigger

Bigger than 67% of homes nearby

Year built1978
OlderTypical 1923Newer

Newer than 93% of homes nearby

How 646 Blais St ranks against every home in each area.
MeasureThis homeBerlin 03570Coos County
Estimated valuepricier than$164,64243% of homes23% of homes
Price per ft²pricier than$15667% of homes39% of homes
Living areabigger than1,056 ft²20% of homes30% of homes
Lot sizebigger than0.23 ac67% of homes20% of homes
Year builtnewer than197893% of homes58% of homes

About 646 Blais St

How much is 646 Blais St, Berlin, NH worth?

The TopHap Estimate for 646 Blais St, Berlin, NH is $164,642 as of Aug 30, 2026. The likely range is $149,635 to $179,649. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 646 Blais St, Berlin, NH last sell?

646 Blais St, Berlin, NH last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 646 Blais St, Berlin, NH?

646 Blais St, Berlin, NH has 3 bedrooms, 1 bathrooms, 1,056 square feet of living space and a 0.23-acre lot.

When was 646 Blais St, Berlin, NH built?

646 Blais St, Berlin, NH was built in 1978, making it 48 years old. It is a ranch home. The building has 1 story.

What schools serve 646 Blais St, Berlin, NH?

646 Blais St, Berlin, NH is assigned to Berlin Elementary School (elementary), rated B-; Berlin Middle School (middle), rated D+; Berlin High School (high), rated D. All sit in Berlin School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 646 Blais St, Berlin, NH compare to other homes in Berlin 03570?

Among the 3,232 homes in Berlin 03570, it is worth more than 43% of them ($164,642 against a typical $173,408), its price per square foot is higher than 67% of them ($156 against a typical $135), it is bigger than 20% of them (1,056 ft² against a typical 1,366 ft²), its lot is bigger than 67% of them (0.23 ac against a typical 0.22 ac) and it is newer than 93% of them (1978 against a typical 1923). Measured against all of Coos County, it is worth more than 23% 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 646 Blais St, Berlin, NH?

The 2025 property tax bill for 646 Blais St, Berlin, NH was $5,265. The county assessed it at $156,700.

More homes on Blais St

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