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Single Family ResidentialResidential
$847,735$917 / 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 79How 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
Last sold for $625,000 on Jan 4, 2023

139 MAIN ST

BELFAST, ME 04915
4
Beds
3
Baths
924 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.
0.12 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.
11
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$848K
$672K low$1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$625,000 · Jan 4, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,070 (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.$555,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$264,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$290,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$554,500

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residential
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.0.12
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
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(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.

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

139 Main 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 96% of homes in Waldo County
  • Costs more per square foot than 96% of homes in Waldo County
  • Smaller than 70% of homes in Waldo County
  • Among the smallest lots in Waldo County
  • Older than 78% 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
$79K$1.1M

This home is worth more than 95% 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$847,735
CheaperTypical $331,547Pricier

Pricier than 95% of homes nearby

Price per ft²$917
CheaperTypical $347Pricier

Pricier than 94% of homes nearby

Living area924 ft²
SmallerTypical 954 ft²Bigger

Bigger than 46% of homes nearby

Lot size0.12 ac
SmallerTypical 1.2 acBigger

Bigger than 2% of homes nearby

Year built1900
OlderTypical 1973Newer

Newer than 30% of homes nearby

How 139 Main St ranks against every home in each area.
MeasureThis homeBelfast 04915Waldo County
Estimated valuepricier than$847,73595% of homes96% of homes
Price per ft²pricier than$91794% of homes96% of homes
Living areabigger than924 ft²46% of homes30% of homes
Lot sizebigger than0.12 ac2% of homesalmost no homes
Year builtnewer than190030% of homes22% of homes

About 139 Main St

How much is 139 Main St, Belfast, ME worth?

The TopHap Estimate for 139 Main St, Belfast, ME is $847,735 as of Aug 30, 2026. The likely range is $672,087 to $1,023,383. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 139 Main St, Belfast, ME last sell?

139 Main St, Belfast, ME last sold on Jan 4, 2023 for $625,000, according to the county's recorded deed.

How big is 139 Main St, Belfast, ME?

139 Main St, Belfast, ME has 4 bedrooms, 3 bathrooms, 924 square feet of living space and a 0.12-acre lot.

When was 139 Main St, Belfast, ME built?

139 Main St, Belfast, ME was built in 1900, making it 126 years old. It is a conventional home. The building has 2 stories.

How does 139 Main St, Belfast, ME compare to other homes in Belfast 04915?

Among the 3,841 homes in Belfast 04915, it is worth more than 95% of them ($847,735 against a typical $331,547), its price per square foot is higher than 94% of them ($917 against a typical $347), it is bigger than 46% of them (924 ft² against a typical 954 ft²), its lot is bigger than 2% of them (0.12 ac against a typical 1.2 ac) and it is newer than 30% of them (1900 against a typical 1973). Measured against all of Waldo County, it is worth more than 96% 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 139 Main St, Belfast, ME?

The 2025 property tax bill for 139 Main St, Belfast, ME was $9,070. The county assessed it at $555,100.

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