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Single Family ResidenceResidential
$490,126$225 / 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 Aug 30, 2026
Last sold for $209,900 on Aug 9, 2010

12 RIVER RD

GILMANTON IRON WORKS, NH 03837
4
Beds
2
Baths
2,174 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.
2.2 ac
Lot SizeThe size of the land the home sits on, from county records.
1972
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$490K
$469K low$512K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$209,900 · Aug 9, 2010

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,405 (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.$485,600 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$143,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$342,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$487,000

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.56
98
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
9
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
57
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
93
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
25
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.142 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.Cape Cod
CountyBELKNAP
Lot (acres)The size of the land the home sits on, from county records.2.20
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

Transaction History(3)

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
Gilmanton SchoolB
Elementary · Grades PK–8 · 1.9 mi
H
Gilford High SchoolB-
High · Grades 9–12 · 10.4 mi

District: Gilford School District

Neighborhood · ZIP 03837These 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.101
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.89
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.117

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.70%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.1,400
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.62 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$100,330
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$117,014
Average tempThe average temperature here across a full year.45°F
Annual precipHow much rain and melted snow falls here in a typical year.48 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

12 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.

  • Costs less per square foot than 85% of homes in Belknap County
  • Bigger than 75% of homes in Belknap County
  • Has a bigger lot than 73% of homes in Belknap County

What homes are worth in Gilmanton Iron Works 03837

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

This home
$275K$1.2M

This home is worth more than 51% of homes in Gilmanton Iron Works 03837.

How it measures up in Gilmanton Iron Works 03837

The dot is this home. The mark in the middle is the typical home in Gilmanton Iron Works 03837.

Estimated value$490,126
CheaperTypical $489,850Pricier

Pricier than 51% of homes nearby

Price per ft²$225
CheaperTypical $259Pricier

Pricier than 25% of homes nearby

Living area2,174 ft²
SmallerTypical 1,869 ft²Bigger

Bigger than 65% of homes nearby

Lot size2.2 ac
SmallerTypical 2.32 acBigger

Bigger than 49% of homes nearby

Year built1972
OlderTypical 1980Newer

Newer than 39% of homes nearby

How 12 River Rd ranks against every home in each area.
MeasureThis homeGilmanton Iron Works 03837Belknap County
Estimated valuepricier than$490,12651% of homes45% of homes
Price per ft²pricier than$22525% of homes15% of homes
Living areabigger than2,174 ft²65% of homes75% of homes
Lot sizebigger than2.2 ac49% of homes73% of homes
Year builtnewer than197239% of homes38% of homes

About 12 River Rd

How much is 12 River Rd, Gilmanton Iron Works, NH worth?

The TopHap Estimate for 12 River Rd, Gilmanton Iron Works, NH is $490,126 as of Aug 30, 2026. The likely range is $468,596 to $511,656. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 12 River Rd, Gilmanton Iron Works, NH last sell?

12 River Rd, Gilmanton Iron Works, NH last sold on Aug 9, 2010 for $209,900, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 12 River Rd, Gilmanton Iron Works, NH?

12 River Rd, Gilmanton Iron Works, NH has 4 bedrooms, 2 bathrooms, 2,174 square feet of living space and a 2.20-acre lot.

When was 12 River Rd, Gilmanton Iron Works, NH built?

12 River Rd, Gilmanton Iron Works, NH was built in 1972, making it 54 years old. It is a cape cod home. The building has 2 stories.

What schools serve 12 River Rd, Gilmanton Iron Works, NH?

12 River Rd, Gilmanton Iron Works, NH is assigned to Gilmanton School (elementary), rated B; Gilford High School (high), rated B-. All sit in Gilford School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 12 River Rd, Gilmanton Iron Works, NH compare to other homes in Gilmanton Iron Works 03837?

Among the 760 homes in Gilmanton Iron Works 03837, it is worth more than 51% of them ($490,126 against a typical $489,850), its price per square foot is higher than 25% of them ($225 against a typical $259), it is bigger than 65% of them (2,174 ft² against a typical 1,869 ft²), its lot is bigger than 49% of them (2.2 ac against a typical 2.32 ac) and it is newer than 39% of them (1972 against a typical 1980). Measured against all of Belknap County, it is worth more than 45% 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 12 River Rd, Gilmanton Iron Works, NH?

The 2025 property tax bill for 12 River Rd, Gilmanton Iron Works, NH was $7,405. The county assessed it at $485,600.

More homes on River Rd

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