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Single Family ResidenceResidential
$306,045$113 / 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 89How 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
Last sold for $186,533 on Jan 28, 2020

15 PROSPECT ST

LANCASTER, NH 03584
4
Beds
2.5
Baths
2,720 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.
0.47 ac
Lot SizeThe size of the land the home sits on, from county records.
1860
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$306K
$271K low$341K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$186,533 · Jan 28, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,345 (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.$253,700 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$40,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$212,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$268,090

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.36
34
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
8
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
47
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
83
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
8
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.8 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
StyleThe architectural style of the home, such as ranch or colonial.Victorian
CountyCOOS
Lot (acres)The size of the land the home sits on, from county records.0.47
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Steam
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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
Lancaster Elementary SchoolB-
Elementary · Grades PK–8 · 1.1 mi
H
White Mountains Regional High SchoolD+
High · Grades 9–12 · 5.0 mi

District: White Mountain Regional School District

Neighborhood · ZIP 03584These 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.85
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.79

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.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.7%
PopulationHow many people live in this area.3,185
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.47 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$79,396
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$86,133
Average tempThe average temperature here across a full year.41°F
Annual precipHow much rain and melted snow falls here in a typical year.41 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

15 Prospect 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 65% of homes in Coos County
  • Costs less per square foot than 85% of homes in Coos County
  • Bigger than 92% of homes in Coos County
  • Has a smaller lot than 69% of homes in Lancaster 03584
  • Older than 97% of homes in Coos County

What homes are worth in Lancaster 03584

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

This home
$114K$679K

This home is worth more than 57% of homes in Lancaster 03584.

How it measures up in Lancaster 03584

The dot is this home. The mark in the middle is the typical home in Lancaster 03584.

Estimated value$306,045
CheaperTypical $283,469Pricier

Pricier than 57% of homes nearby

Price per ft²$113
CheaperTypical $152Pricier

Pricier than 25% of homes nearby

Living area2,720 ft²
SmallerTypical 1,861 ft²Bigger

Bigger than 80% of homes nearby

Lot size0.47 ac
SmallerTypical 1.1 acBigger

Bigger than 31% of homes nearby

Year built1860
OlderTypical 1960Newer

Newer than 9% of homes nearby

How 15 Prospect St ranks against every home in each area.
MeasureThis homeLancaster 03584Coos County
Estimated valuepricier than$306,04557% of homes65% of homes
Price per ft²pricier than$11325% of homes15% of homes
Living areabigger than2,720 ft²80% of homes92% of homes
Lot sizebigger than0.47 ac31% of homes34% of homes
Year builtnewer than18609% of homes3% of homes

About 15 Prospect St

How much is 15 Prospect St, Lancaster, NH worth?

The TopHap Estimate for 15 Prospect St, Lancaster, NH is $306,045 as of Jul 14, 2026. The likely range is $271,062 to $341,028. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 15 Prospect St, Lancaster, NH last sell?

15 Prospect St, Lancaster, NH last sold on Jan 28, 2020 for $186,533, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 15 Prospect St, Lancaster, NH?

15 Prospect St, Lancaster, NH has 4 bedrooms, 2.5 bathrooms, 2,720 square feet of living space and a 0.47-acre lot.

When was 15 Prospect St, Lancaster, NH built?

15 Prospect St, Lancaster, NH was built in 1860, making it 166 years old. It is a victorian home. The building has 2 stories.

What schools serve 15 Prospect St, Lancaster, NH?

15 Prospect St, Lancaster, NH is assigned to Lancaster Elementary School (elementary), rated B-; White Mountains Regional High School (high), rated D+. All sit in White Mountain Regional School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 15 Prospect St, Lancaster, NH compare to other homes in Lancaster 03584?

Among the 1,510 homes in Lancaster 03584, it is worth more than 57% of them ($306,045 against a typical $283,469), its price per square foot is higher than 25% of them ($113 against a typical $152), it is bigger than 80% of them (2,720 ft² against a typical 1,861 ft²), its lot is bigger than 31% of them (0.47 ac against a typical 1.1 ac) and it is newer than 9% of them (1860 against a typical 1960). Measured against all of Coos County, it is worth more than 65% 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 15 Prospect St, Lancaster, NH?

The 2025 property tax bill for 15 Prospect St, Lancaster, NH was $5,345. The county assessed it at $253,700.

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