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Single Family ResidenceResidential
$426,020$213 / 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 86How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $500,000 on May 26, 2023

26 UNION ST

PETERBOROUGH, NH 03458
3
Beds
2
Baths
2,001 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.
0.64 ac
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.
1
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

$426K
$366K low$486K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$500,000 · May 26, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,685 (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.$298,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$87,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$210,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$353,400

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.54
71
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
18
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
58
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
94
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
33
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.44 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
CountyHILLSBOROUGH
Lot (acres)The size of the land the home sits on, from county records.0.65
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
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
Peterborough Elementary SchoolC+
Elementary · Grades PK–4 · 0.2 mi
M
South Meadow SchoolB-
Middle · Grades 5–8 · 2.0 mi
H
ConVal Regional High SchoolA
High · Grades 9–12 · 2.2 mi

District: Contoocook Valley School District

Neighborhood · ZIP 03458These 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.136
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.82
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.78

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.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.7,395
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.135 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$93,348
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$131,009
Average tempThe average temperature here across a full year.45°F
Annual precipHow much rain and melted snow falls here in a typical year.47 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

26 Union 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 less than 75% of homes in Hillsborough County
  • Costs less per square foot than 93% of homes in Hillsborough County
  • Has a smaller lot than 72% of homes in Peterborough 03458
  • Older than 92% of homes in Hillsborough County

What homes are worth in Peterborough 03458

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

This home
$264K$991K

This home is worth more than 46% of homes in Peterborough 03458.

How it measures up in Peterborough 03458

The dot is this home. The mark in the middle is the typical home in Peterborough 03458.

Estimated value$426,020
CheaperTypical $436,077Pricier

Pricier than 46% of homes nearby

Price per ft²$213
CheaperTypical $237Pricier

Pricier than 28% of homes nearby

Living area2,001 ft²
SmallerTypical 1,862 ft²Bigger

Bigger than 57% of homes nearby

Lot size0.64 ac
SmallerTypical 1.27 acBigger

Bigger than 28% of homes nearby

Year built1900
OlderTypical 1975Newer

Newer than 17% of homes nearby

How 26 Union St ranks against every home in each area.
MeasureThis homePeterborough 03458Hillsborough County
Estimated valuepricier than$426,02046% of homes25% of homes
Price per ft²pricier than$21328% of homes7% of homes
Living areabigger than2,001 ft²57% of homes61% of homes
Lot sizebigger than0.64 ac28% of homes51% of homes
Year builtnewer than190017% of homes8% of homes

About 26 Union St

How much is 26 Union St, Peterborough, NH worth?

The TopHap Estimate for 26 Union St, Peterborough, NH is $426,020 as of Sep 24, 2026. The likely range is $365,990 to $486,050. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 26 Union St, Peterborough, NH last sell?

26 Union St, Peterborough, NH last sold on May 26, 2023 for $500,000, according to the county's recorded deed.

How big is 26 Union St, Peterborough, NH?

26 Union St, Peterborough, NH has 3 bedrooms, 2 bathrooms, 2,001 square feet of living space and a 0.65-acre lot.

When was 26 Union St, Peterborough, NH built?

26 Union St, Peterborough, NH was built in 1900, making it 126 years old. The building has 1 story.

What schools serve 26 Union St, Peterborough, NH?

26 Union St, Peterborough, NH is assigned to Peterborough Elementary School (elementary), rated C+; South Meadow School (middle), rated B-; ConVal Regional High School (high), rated A. All sit in Contoocook Valley School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 26 Union St, Peterborough, NH compare to other homes in Peterborough 03458?

Among the 2,296 homes in Peterborough 03458, it is worth more than 46% of them ($426,020 against a typical $436,077), its price per square foot is higher than 28% of them ($213 against a typical $237), it is bigger than 57% of them (2,001 ft² against a typical 1,862 ft²), its lot is bigger than 28% of them (0.64 ac against a typical 1.27 ac) and it is newer than 17% of them (1900 against a typical 1975). Measured against all of Hillsborough County, it is worth more than 25% 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 26 Union St, Peterborough, NH?

The 2025 property tax bill for 26 Union St, Peterborough, NH was $9,685. The county assessed it at $298,000.

More homes on Union St

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Assigned schools

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