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Single Family ResidenceResidential
$642,159$740 / 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 73How 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

125 UNION ST

BELFAST, ME 04915
4
Beds
1.5
Baths
868 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
2
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$642K
$466K low$819K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,605 (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.$404,200 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$156,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$248,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$427,600

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
CountyWALDO
Lot (acres)The size of the land the home sits on, from county records.0.16
ConstructionThe main material the home's frame and walls are built from.Brick
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(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.

Neighborhood · ZIP 04915These 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.124
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 100.56

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.85%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.17%
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.9,507
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.119 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$55,225
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$81,885
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.50%

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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

125 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 more than 91% of homes in Waldo County
  • Costs more per square foot than 93% of homes in Waldo County
  • Smaller than 75% of homes in Waldo County
  • Has a smaller lot than 97% of homes in Waldo County

What homes are worth in Belfast 04915

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

This home
$75K$1.1M

This home is worth more than 89% of homes in Belfast 04915.

How it measures up in Belfast 04915

The dot is this home. The mark in the middle is the typical home in Belfast 04915.

Estimated value$642,159
CheaperTypical $331,099Pricier

Pricier than 89% of homes nearby

Price per ft²$740
CheaperTypical $347Pricier

Pricier than 89% of homes nearby

Living area868 ft²
SmallerTypical 960 ft²Bigger

Bigger than 39% of homes nearby

Lot size0.16 ac
SmallerTypical 1.2 acBigger

Bigger than 5% of homes nearby

How 125 Union St ranks against every home in each area.
MeasureThis homeBelfast 04915Waldo County
Estimated valuepricier than$642,15989% of homes91% of homes
Price per ft²pricier than$74089% of homes93% of homes
Living areabigger than868 ft²39% of homes25% of homes
Lot sizebigger than0.16 ac5% of homes3% of homes

About 125 Union St

How much is 125 Union St, Belfast, ME worth?

The TopHap Estimate for 125 Union St, Belfast, ME is $642,159 as of Aug 30, 2026. The likely range is $465,761 to $818,557. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 125 Union St, Belfast, ME last sell?

125 Union St, Belfast, ME last sold on Sep 15, 2017, according to the county's recorded deed.

How big is 125 Union St, Belfast, ME?

125 Union St, Belfast, ME has 4 bedrooms, 1.5 bathrooms, 868 square feet of living space and a 0.16-acre lot.

How does 125 Union St, Belfast, ME compare to other homes in Belfast 04915?

Among the 3,841 homes in Belfast 04915, it is worth more than 89% of them ($642,159 against a typical $331,099), its price per square foot is higher than 89% of them ($740 against a typical $347), it is bigger than 39% of them (868 ft² against a typical 960 ft²) and its lot is bigger than 5% of them (0.16 ac against a typical 1.2 ac). Measured against all of Waldo County, it is worth more than 91% 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 125 Union St, Belfast, ME?

The 2025 property tax bill for 125 Union St, Belfast, ME was $6,605. The county assessed it at $404,200.

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