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Single Family ResidenceResidential
$349,511$201 / 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 Oct 21, 2026

21 GREENVILLE ST

HALLOWELL, ME 04347
3
Beds
2
Baths
1,742 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.
0.7 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

$350K
$301K low$398K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,588 (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.$240,200 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$63,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$177,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$174,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$359,100

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
CountyKENNEBEC
Lot (acres)The size of the land the home sits on, from county records.0.70
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck

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.

M
Hall-Dale Middle and High SchoolB
Middle · Grades 6–12 · 0.5 mi
E
Hall-Dale Elementary SchoolB+
Elementary · Grades PK–5 · 1.4 mi

District: Regional School Unit 02

Neighborhood · ZIP 04347These 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.127
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.72
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.74

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.24%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.13%
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.2,706
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.446 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$58,616
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$88,564
Average tempThe average temperature here across a full year.45°F
Annual precipHow much rain and melted snow falls here in a typical year.43 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

21 Greenville 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 71% of homes in Hallowell 04347
  • Costs less per square foot than 74% of homes in Hallowell 04347
  • Bigger than 72% of homes in Kennebec County
  • Has a bigger lot than 65% of homes in Hallowell 04347
  • Older than 85% of homes in Kennebec County

What homes are worth in Hallowell 04347

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

This home
$193K$819K

This home is worth more than 29% of homes in Hallowell 04347.

How it measures up in Hallowell 04347

The dot is this home. The mark in the middle is the typical home in Hallowell 04347.

Estimated value$349,511
CheaperTypical $413,251Pricier

Pricier than 29% of homes nearby

Price per ft²$201
CheaperTypical $254Pricier

Pricier than 26% of homes nearby

Living area1,742 ft²
SmallerTypical 1,768 ft²Bigger

Bigger than 48% of homes nearby

Lot size0.7 ac
SmallerTypical 0.46 acBigger

Bigger than 65% of homes nearby

Year built1900
OlderTypical 1930Newer

Newer than 45% of homes nearby

How 21 Greenville St ranks against every home in each area.
MeasureThis homeHallowell 04347Kennebec County
Estimated valuepricier than$349,51129% of homes56% of homes
Price per ft²pricier than$20126% of homes27% of homes
Living areabigger than1,742 ft²48% of homes72% of homes
Lot sizebigger than0.7 ac65% of homes38% of homes
Year builtnewer than190045% of homes15% of homes

About 21 Greenville St

How much is 21 Greenville St, Hallowell, ME worth?

The TopHap Estimate for 21 Greenville St, Hallowell, ME is $349,511 as of Oct 21, 2026. The likely range is $301,418 to $397,604. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Greenville St, Hallowell, ME last sell?

21 Greenville St, Hallowell, ME last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 21 Greenville St, Hallowell, ME?

21 Greenville St, Hallowell, ME has 3 bedrooms, 2 bathrooms, 1,742 square feet of living space and a 0.70-acre lot.

When was 21 Greenville St, Hallowell, ME built?

21 Greenville St, Hallowell, ME was built in 1900, making it 126 years old. It is a conventional home. The building has 2 stories.

What schools serve 21 Greenville St, Hallowell, ME?

21 Greenville St, Hallowell, ME is assigned to Hall-Dale Middle and High School (middle), rated B; Hall-Dale Elementary School (elementary), rated B+. All sit in Regional School Unit 02. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Greenville St, Hallowell, ME compare to other homes in Hallowell 04347?

Among the 1,005 homes in Hallowell 04347, it is worth more than 29% of them ($349,511 against a typical $413,251), its price per square foot is higher than 26% of them ($201 against a typical $254), it is bigger than 48% of them (1,742 ft² against a typical 1,768 ft²), its lot is bigger than 65% of them (0.7 ac against a typical 0.46 ac) and it is newer than 45% of them (1900 against a typical 1930). Measured against all of Kennebec County, it is worth more than 56% 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 21 Greenville St, Hallowell, ME?

The 2025 property tax bill for 21 Greenville St, Hallowell, ME was $4,588. The county assessed it at $240,200.

More homes on Greenville St

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Assigned schools

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