Skip to content
Skip to content
TopHapOpen in map
Residential (General/Single)Residential
$306,895$179 / 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 Aug 30, 2026
Last sold for $115,500 on Nov 6, 2017

640 BLAIS ST

BERLIN, NH 03570
2
Beds
1.5
Baths
1,714 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.
11.7 ac
Lot SizeThe size of the land the home sits on, from county records.
1920
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$307K
$285K low$329K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$115,500 · Nov 6, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,486 (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.$252,571 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$55,871
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$196,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$252,516
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$206,625

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential (General/Single)
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.11.70
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
ViewThe type of view from the property, or another feature of the site that affects value.Waterfront-Not Specified

Transaction History(4)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(4)

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 · 1.4 mi
M
Berlin Middle SchoolD+
Middle · Grades 7–8 · 1.9 mi
H
Berlin High SchoolD
High · Grades 9–12 · 1.9 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%

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

640 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 more than 96% of homes in Berlin 03570
  • Costs more per square foot than 83% of homes in Berlin 03570
  • Bigger than 70% of homes in Berlin 03570
  • Among the largest lots in Berlin 03570
  • Older than 77% of homes in Coos County

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
$82K$343K

This home is worth more than 96% 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$306,895
CheaperTypical $173,612Pricier

Pricier than 96% of homes nearby

Price per ft²$179
CheaperTypical $136Pricier

Pricier than 83% of homes nearby

Living area1,714 ft²
SmallerTypical 1,364 ft²Bigger

Bigger than 70% of homes nearby

Lot size11.7 ac
SmallerTypical 0.22 acBigger

Bigger than almost all homes nearby

Year built1920
OlderTypical 1923Newer

Newer than 47% of homes nearby

How 640 Blais St ranks against every home in each area.
MeasureThis homeBerlin 03570Coos County
Estimated valuepricier than$306,89596% of homes66% of homes
Price per ft²pricier than$17983% of homes51% of homes
Living areabigger than1,714 ft²70% of homes68% of homes
Lot sizebigger than11.7 acalmost all homes89% of homes
Year builtnewer than192047% of homes23% of homes

About 640 Blais St

How much is 640 Blais St, Berlin, NH worth?

The TopHap Estimate for 640 Blais St, Berlin, NH is $306,895 as of Aug 30, 2026. The likely range is $284,974 to $328,816. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 640 Blais St, Berlin, NH last sell?

640 Blais St, Berlin, NH last sold on Nov 6, 2017 for $115,500, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 640 Blais St, Berlin, NH?

640 Blais St, Berlin, NH has 2 bedrooms, 1.5 bathrooms, 1,714 square feet of living space and a 11.70-acre lot.

When was 640 Blais St, Berlin, NH built?

640 Blais St, Berlin, NH was built in 1920, making it 106 years old. It is a ranch home. The building has 1 story.

What schools serve 640 Blais St, Berlin, NH?

640 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 640 Blais St, Berlin, NH compare to other homes in Berlin 03570?

Among the 3,232 homes in Berlin 03570, it is worth more than 96% of them ($306,895 against a typical $173,612), its price per square foot is higher than 83% of them ($179 against a typical $136), it is bigger than 70% of them (1,714 ft² against a typical 1,364 ft²), its lot is bigger than almost all of them (11.7 ac against a typical 0.22 ac) and it is newer than 47% of them (1920 against a typical 1923). Measured against all of Coos County, it is worth more than 66% 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 640 Blais St, Berlin, NH?

The 2025 property tax bill for 640 Blais St, Berlin, NH was $8,486. The county assessed it at $252,571.

More homes on Blais St

Closest homes

More homes in Berlin 03570

Assigned schools

Explore the area

See this home in context

Open 640 Blais 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