Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$436,010$414 / 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 Oct 21, 2026
Last sold for $407,000 on Feb 26, 2024

23 W UNION ST

GOFFSTOWN, NH 03045
3
Beds
1
Baths
1,052 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.
0.56 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.
2
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$436K
$400K low$472K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$407,000 · Feb 26, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,277 (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.$348,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$169,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$179,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$379,525

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.58
100
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
20
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.
91
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.197 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.Conventional
CountyHILLSBOROUGH
Lot (acres)The size of the land the home sits on, from county records.0.56
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Basement
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(4)

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
Maple Avenue School
Elementary · Grades 1–4 · 0.4 mi
H
Goffstown High SchoolB
High · Grades 9–12 · 0.9 mi
M
Mountain View Middle SchoolB-
Middle · Grades 7–8 · 2.7 mi

District: Goffstown School District

Neighborhood · ZIP 03045These 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.58
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.91
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.96

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.97%
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.5.3%
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.14,341
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.401 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$121,252
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$134,722
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.45 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.54%

Owner Tools

Do you own this home?
Claim this home

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

23 W 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 76% of homes in Goffstown 03045
  • Costs more per square foot than 88% of homes in Hillsborough County
  • Smaller than 87% of homes in Hillsborough County
  • Has a smaller lot than 71% of homes in Goffstown 03045
  • Older than 92% of homes in Goffstown 03045

What homes are worth in Goffstown 03045

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

This home
$284K$952K

This home is worth more than 24% of homes in Goffstown 03045.

How it measures up in Goffstown 03045

The dot is this home. The mark in the middle is the typical home in Goffstown 03045.

Estimated value$436,010
CheaperTypical $530,196Pricier

Pricier than 24% of homes nearby

Price per ft²$414
CheaperTypical $330Pricier

Pricier than 87% of homes nearby

Living area1,052 ft²
SmallerTypical 1,624 ft²Bigger

Bigger than 16% of homes nearby

Lot size0.56 ac
SmallerTypical 1.19 acBigger

Bigger than 29% of homes nearby

Year built1900
OlderTypical 1984Newer

Newer than 8% of homes nearby

How 23 W Union St ranks against every home in each area.
MeasureThis homeGoffstown 03045Hillsborough County
Estimated valuepricier than$436,01024% of homes28% of homes
Price per ft²pricier than$41487% of homes88% of homes
Living areabigger than1,052 ft²16% of homes13% of homes
Lot sizebigger than0.56 ac29% of homes49% of homes
Year builtnewer than19008% of homes8% of homes

About 23 W Union St

How much is 23 W Union St, Goffstown, NH worth?

The TopHap Estimate for 23 W Union St, Goffstown, NH is $436,010 as of Oct 21, 2026. The likely range is $399,882 to $472,138. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 23 W Union St, Goffstown, NH last sell?

23 W Union St, Goffstown, NH last sold on Feb 26, 2024 for $407,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 23 W Union St, Goffstown, NH?

23 W Union St, Goffstown, NH has 3 bedrooms, 1 bathrooms, 1,052 square feet of living space and a 0.56-acre lot.

When was 23 W Union St, Goffstown, NH built?

23 W Union St, Goffstown, NH was built in 1900, making it 126 years old. It is a conventional home. The building has 2 stories.

What schools serve 23 W Union St, Goffstown, NH?

23 W Union St, Goffstown, NH is assigned to Maple Avenue School (elementary); Goffstown High School (high), rated B; Mountain View Middle School (middle), rated B-. All sit in Goffstown School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 23 W Union St, Goffstown, NH compare to other homes in Goffstown 03045?

Among the 4,856 homes in Goffstown 03045, it is worth more than 24% of them ($436,010 against a typical $530,196), its price per square foot is higher than 87% of them ($414 against a typical $330), it is bigger than 16% of them (1,052 ft² against a typical 1,624 ft²), its lot is bigger than 29% of them (0.56 ac against a typical 1.19 ac) and it is newer than 8% of them (1900 against a typical 1984). Measured against all of Hillsborough County, it is worth more than 28% 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 23 W Union St, Goffstown, NH?

The 2025 property tax bill for 23 W Union St, Goffstown, NH was $7,277. The county assessed it at $348,500.

More homes on W Union St

Closest homes

More homes in Goffstown 03045

Assigned schools

Explore the area

See this home in context

Open 23 W Union St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map