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Single Family ResidenceResidential
$413,180$234 / 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
Last sold for $185,600 on Jun 29, 2009

21 CONSTITUTION AVE

HAMPDEN, ME 04444
3
Beds
2
Baths
1,765 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.
0.34 ac
Lot SizeThe size of the land the home sits on, from county records.
1991
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$413K
$356K low$470K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$185,600 · Jun 29, 2009

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,013 (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.$284,040 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$47,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$236,840
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$257,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$336,015

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.Cape Cod
CountyPENOBSCOT
Lot (acres)The size of the land the home sits on, from county records.0.34
ConstructionThe main material the home's frame and walls are built from.Concrete
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
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(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.

H
Hampden AcademyB
High · Grades 9–12 · 0.4 mi
M
Reeds Brook Middle SchoolA+
Middle · Grades 6–8 · 0.6 mi
E
Earl C Mcgraw School
Elementary · Grades PK–1 · 0.6 mi

District: Regional School Unit 22

Neighborhood · ZIP 04444These 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.49
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 100.64

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.27%
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.1.1%
PopulationHow many people live in this area.9,652
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.135 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$93,136
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$107,614
Average tempThe average temperature here across a full year.44°F
Annual precipHow much rain and melted snow falls here in a typical year.42 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 Constitution Ave 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 83% of homes in Penobscot County
  • Bigger than 70% of homes in Penobscot County
  • Has a smaller lot than 89% of homes in Hampden 04444
  • Newer than 74% of homes in Penobscot County

What homes are worth in Hampden 04444

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

This home
$145K$842K

This home is worth more than 65% of homes in Hampden 04444.

How it measures up in Hampden 04444

The dot is this home. The mark in the middle is the typical home in Hampden 04444.

Estimated value$413,180
CheaperTypical $351,697Pricier

Pricier than 65% of homes nearby

Price per ft²$234
CheaperTypical $241Pricier

Pricier than 46% of homes nearby

Living area1,765 ft²
SmallerTypical 1,500 ft²Bigger

Bigger than 62% of homes nearby

Lot size0.34 ac
SmallerTypical 2 acBigger

Bigger than 11% of homes nearby

Year built1991
OlderTypical 1981Newer

Newer than 66% of homes nearby

How 21 Constitution Ave ranks against every home in each area.
MeasureThis homeHampden 04444Penobscot County
Estimated valuepricier than$413,18065% of homes83% of homes
Price per ft²pricier than$23446% of homes61% of homes
Living areabigger than1,765 ft²62% of homes70% of homes
Lot sizebigger than0.34 ac11% of homes28% of homes
Year builtnewer than199166% of homes74% of homes

About 21 Constitution Ave

How much is 21 Constitution Ave, Hampden, ME worth?

The TopHap Estimate for 21 Constitution Ave, Hampden, ME is $413,180 as of Aug 30, 2026. The likely range is $356,180 to $470,180. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Constitution Ave, Hampden, ME last sell?

21 Constitution Ave, Hampden, ME last sold on Jun 29, 2009 for $185,600, according to the county's recorded deed.

How big is 21 Constitution Ave, Hampden, ME?

21 Constitution Ave, Hampden, ME has 3 bedrooms, 2 bathrooms, 1,765 square feet of living space and a 0.34-acre lot.

When was 21 Constitution Ave, Hampden, ME built?

21 Constitution Ave, Hampden, ME was built in 1991, making it 35 years old. It is a cape cod home. The building has 2 stories.

What schools serve 21 Constitution Ave, Hampden, ME?

21 Constitution Ave, Hampden, ME is assigned to Hampden Academy (high), rated B; Reeds Brook Middle School (middle), rated A+; Earl C Mcgraw School (elementary). All sit in Regional School Unit 22. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Constitution Ave, Hampden, ME compare to other homes in Hampden 04444?

Among the 3,581 homes in Hampden 04444, it is worth more than 65% of them ($413,180 against a typical $351,697), its price per square foot is higher than 46% of them ($234 against a typical $241), it is bigger than 62% of them (1,765 ft² against a typical 1,500 ft²), its lot is bigger than 11% of them (0.34 ac against a typical 2 ac) and it is newer than 66% of them (1991 against a typical 1981). Measured against all of Penobscot County, it is worth more than 83% 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 Constitution Ave, Hampden, ME?

The 2025 property tax bill for 21 Constitution Ave, Hampden, ME was $5,013. The county assessed it at $284,040.

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