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CondominiumResidential
$339,245$192 / 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 96How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

841 UPPER MAD RIVER RD

THORNTON, NH 03285
Building report
4
Beds
4
Baths
1,767 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.
1973
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$339K
$326K low$353K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,865 (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.$329,200 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$329,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$268,470

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
CountyGRAFTON
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
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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
Thornton Central SchoolB+
Elementary · Grades KG–8 · 4.2 mi
H
Plymouth Regional High SchoolB-
High · Grades 9–12 · 10.8 mi

District: Thornton School District

Neighborhood · ZIP 03285These 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.128
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 100.111

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.66%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.2,766
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.53 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$86,166
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$102,742
Average tempThe average temperature here across a full year.42°F
Annual precipHow much rain and melted snow falls here in a typical year.50 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

841 Upper Mad River Rd 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 75% of homes in Thornton 03285
  • Costs less per square foot than 92% of homes in Thornton 03285
  • Older than 77% of homes in Thornton 03285

What homes are worth in Thornton 03285

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

This home
$194K$1.1M

This home is worth more than 25% of homes in Thornton 03285.

How it measures up in Thornton 03285

The dot is this home. The mark in the middle is the typical home in Thornton 03285.

Estimated value$339,245
CheaperTypical $447,245Pricier

Pricier than 25% of homes nearby

Price per ft²$192
CheaperTypical $261Pricier

Pricier than 8% of homes nearby

Living area1,767 ft²
SmallerTypical 1,741 ft²Bigger

Bigger than 53% of homes nearby

Year built1973
OlderTypical 1986Newer

Newer than 23% of homes nearby

How 841 Upper Mad River Rd ranks against every home in each area.
MeasureThis homeThornton 03285Grafton County
Estimated valuepricier than$339,24525% of homes33% of homes
Price per ft²pricier than$1928% of homes20% of homes
Living areabigger than1,767 ft²53% of homes59% of homes
Year builtnewer than197323% of homes37% of homes

About 841 Upper Mad River Rd

How much is 841 Upper Mad River Rd, Thornton, NH worth?

The TopHap Estimate for 841 Upper Mad River Rd, Thornton, NH is $339,245 as of Jul 14, 2026. The likely range is $325,715 to $352,775. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 841 Upper Mad River Rd, Thornton, NH last sell?

841 Upper Mad River Rd, Thornton, NH last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 841 Upper Mad River Rd, Thornton, NH?

841 Upper Mad River Rd, Thornton, NH has 4 bedrooms, 4 bathrooms and 1,767 square feet of living space.

When was 841 Upper Mad River Rd, Thornton, NH built?

841 Upper Mad River Rd, Thornton, NH was built in 1973, making it 53 years old. The building has 2 stories.

What schools serve 841 Upper Mad River Rd, Thornton, NH?

841 Upper Mad River Rd, Thornton, NH is assigned to Thornton Central School (elementary), rated B+; Plymouth Regional High School (high), rated B-. All sit in Thornton School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 841 Upper Mad River Rd, Thornton, NH compare to other homes in Thornton 03285?

Among the 1,857 homes in Thornton 03285, it is worth more than 25% of them ($339,245 against a typical $447,245), its price per square foot is higher than 8% of them ($192 against a typical $261), it is bigger than 53% of them (1,767 ft² against a typical 1,741 ft²) and it is newer than 23% of them (1973 against a typical 1986). Measured against all of Grafton County, it is worth more than 33% 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 841 Upper Mad River Rd, Thornton, NH?

The 2025 property tax bill for 841 Upper Mad River Rd, Thornton, NH was $3,865. The county assessed it at $329,200.

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Assigned schools

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