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Single Family ResidenceResidential
$336,281$305 / 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 92How 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

18 BOULDER RD

MADISON, NH 03849
1
Beds
2.5
Baths
1,102 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.
0.59 ac
Lot SizeThe size of the land the home sits on, from county records.
1964
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$336K
$309K low$363K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,668 (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.$185,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$95,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$90,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$98,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$356,820

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.37
18
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
5
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
52
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
97
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
16
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.2 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

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
CountyCARROLL
Lot (acres)The size of the land the home sits on, from county records.0.58
RoofThe main material covering the roof, such as asphalt shingle or tile.Metal
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
Madison Elementary SchoolD
Elementary · Grades KG–6 · 2.2 mi
M
Kennett Middle SchoolB+
Middle · Grades 7–8 · 3.6 mi
H
Kennett High SchoolC
High · Grades 9–12 · 5.8 mi

District: Conway School District

Neighborhood · ZIP 03849These 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.79
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.77
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.106

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.57%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.6%
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.1,569
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.60 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$100,106
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$124,420
Average tempThe average temperature here across a full year.43°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.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

18 Boulder 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 86% of homes in Madison 03849
  • Costs more per square foot than 74% of homes in Madison 03849
  • Smaller than 86% of homes in Madison 03849
  • Has a smaller lot than 72% of homes in Madison 03849
  • Older than 83% of homes in Madison 03849

What homes are worth in Madison 03849

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

This home
$216K$1.2M

This home is worth more than 14% of homes in Madison 03849.

How it measures up in Madison 03849

The dot is this home. The mark in the middle is the typical home in Madison 03849.

Estimated value$336,281
CheaperTypical $463,455Pricier

Pricier than 14% of homes nearby

Price per ft²$305
CheaperTypical $259Pricier

Pricier than 74% of homes nearby

Living area1,102 ft²
SmallerTypical 1,770 ft²Bigger

Bigger than 14% of homes nearby

Lot size0.59 ac
SmallerTypical 1.2 acBigger

Bigger than 28% of homes nearby

Year built1964
OlderTypical 1985Newer

Newer than 17% of homes nearby

How 18 Boulder Rd ranks against every home in each area.
MeasureThis homeMadison 03849Carroll County
Estimated valuepricier than$336,28114% of homes14% of homes
Price per ft²pricier than$30574% of homes53% of homes
Living areabigger than1,102 ft²14% of homes23% of homes
Lot sizebigger than0.59 ac28% of homes30% of homes
Year builtnewer than196417% of homes22% of homes

About 18 Boulder Rd

How much is 18 Boulder Rd, Madison, NH worth?

The TopHap Estimate for 18 Boulder Rd, Madison, NH is $336,281 as of Aug 30, 2026. The likely range is $309,075 to $363,487. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Boulder Rd, Madison, NH last sell?

18 Boulder Rd, Madison, NH last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 18 Boulder Rd, Madison, NH?

18 Boulder Rd, Madison, NH has 1 bedrooms, 2.5 bathrooms, 1,102 square feet of living space and a 0.58-acre lot.

When was 18 Boulder Rd, Madison, NH built?

18 Boulder Rd, Madison, NH was built in 1964, making it 62 years old. The building has 2 stories.

What schools serve 18 Boulder Rd, Madison, NH?

18 Boulder Rd, Madison, NH is assigned to Madison Elementary School (elementary), rated D; Kennett Middle School (middle), rated B+; Kennett High School (high), rated C. All sit in Conway School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18 Boulder Rd, Madison, NH compare to other homes in Madison 03849?

Among the 1,591 homes in Madison 03849, it is worth more than 14% of them ($336,281 against a typical $463,455), its price per square foot is higher than 74% of them ($305 against a typical $259), it is bigger than 14% of them (1,102 ft² against a typical 1,770 ft²), its lot is bigger than 28% of them (0.59 ac against a typical 1.2 ac) and it is newer than 17% of them (1964 against a typical 1985). Measured against all of Carroll County, it is worth more than 14% 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 18 Boulder Rd, Madison, NH?

The 2025 property tax bill for 18 Boulder Rd, Madison, NH was $1,668. The county assessed it at $185,800.

More homes on Boulder Rd

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More homes in Madison 03849

Assigned schools

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