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Single Family ResidenceResidential
$760,193$89 / 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 Aug 30, 2026

129 MAIN ST

BELFAST, ME 04915
0
Baths
8,581 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.
3,920 ft²
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$760K
$654K low$866K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$17,164 (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.$1,050,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$242,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$807,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,049,300

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyWALDO
Lot (acres)The size of the land the home sits on, from county records.0.09
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck

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

129 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 94% of homes in Waldo County
  • Among the lowest price per square foot in Belfast 04915
  • Among the largest homes in Belfast 04915
  • Among the smallest lots in Belfast 04915

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
$80K$1.1M

This home is worth more than 93% 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$760,193
CheaperTypical $332,569Pricier

Pricier than 93% of homes nearby

Price per ft²$89
CheaperTypical $347Pricier

Cheaper than almost all homes nearby

Living area8,581 ft²
SmallerTypical 955 ft²Bigger

Bigger than almost all homes nearby

Lot size3,920 ft²
SmallerTypical 1.2 acBigger

Smaller than almost all homes nearby

How 129 Main St ranks against every home in each area.
MeasureThis homeBelfast 04915Waldo County
Estimated valuepricier than$760,19393% of homes94% of homes
Price per ft²pricier than$89almost no homes2% of homes
Living areabigger than8,581 ft²almost all homesalmost all homes
Lot sizebigger than3,920 ft²almost no homesalmost no homes

About 129 Main St

How much is 129 Main St, Belfast, ME worth?

The TopHap Estimate for 129 Main St, Belfast, ME is $760,193 as of Aug 30, 2026. The likely range is $654,240 to $866,146. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 129 Main St, Belfast, ME last sell?

129 Main St, Belfast, ME last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 129 Main St, Belfast, ME?

129 Main St, Belfast, ME has 8,581 square feet of living space and a 0.09-acre lot.

How does 129 Main St, Belfast, ME compare to other homes in Belfast 04915?

Among the 3,841 homes in Belfast 04915, it is worth more than 93% of them ($760,193 against a typical $332,569), its price per square foot is higher than almost none of them ($89 against a typical $347), it is bigger than almost all of them (8,581 ft² against a typical 955 ft²) and its lot is bigger than almost none of them (3,920 ft² against a typical 1.2 ac). Measured against all of Waldo County, it is worth more than 94% 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 129 Main St, Belfast, ME?

The 2025 property tax bill for 129 Main St, Belfast, ME was $17,164. The county assessed it at $1,050,400.

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