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Single Family ResidenceResidential
$180,491$108 / 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 69How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $141,900 on Sep 13, 2021

521 RIVERSIDE DR

EDDINGTON, ME 04428
1
Beds
1.5
Baths
1,668 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.
0.47 ac
Lot SizeThe size of the land the home sits on, from county records.
2002
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

$180K
$124K low$237K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$141,900 · Sep 13, 2021
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$59,491
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$47,593
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.67%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$113,525
MAINESTREAM FINANCE · P · 6.63% 1 · recorded Sep 13, 2021
2nd MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$7,475
MAINESTREAM FINANCE

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,355 (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.$112,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$54,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$58,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$69,757

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyPENOBSCOT
Lot (acres)The size of the land the home sits on, from county records.0.47
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(3)

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.

E
Eddington School
Elementary · Grades PK–1 · 1.8 mi
M
Holbrook SchoolB+
Middle · Grades 5–8 · 7.3 mi

District: School Administrative District 63

Neighborhood · ZIP 04428These 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.88
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.79
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.66

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.86%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.21%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.3,054
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.49 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$71,266
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$91,579
Average tempThe average temperature here across a full year.43°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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

521 Riverside Dr 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 86% of homes in Eddington 04428
  • Costs less per square foot than 98% of homes in Eddington 04428
  • Bigger than 74% of homes in Eddington 04428
  • Has a smaller lot than 89% of homes in Eddington 04428
  • Newer than 84% of homes in Penobscot County

What homes are worth in Eddington 04428

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

This home
$107K$617K

This home is worth more than 14% of homes in Eddington 04428.

How it measures up in Eddington 04428

The dot is this home. The mark in the middle is the typical home in Eddington 04428.

Estimated value$180,491
CheaperTypical $302,573Pricier

Pricier than 14% of homes nearby

Price per ft²$108
CheaperTypical $268Pricier

Pricier than 2% of homes nearby

Living area1,668 ft²
SmallerTypical 1,265 ft²Bigger

Bigger than 74% of homes nearby

Lot size0.47 ac
SmallerTypical 2.05 acBigger

Bigger than 11% of homes nearby

Year built2002
OlderTypical 1985Newer

Newer than 77% of homes nearby

How 521 Riverside Dr ranks against every home in each area.
MeasureThis homeEddington 04428Penobscot County
Estimated valuepricier than$180,49114% of homes26% of homes
Price per ft²pricier than$1082% of homes7% of homes
Living areabigger than1,668 ft²74% of homes65% of homes
Lot sizebigger than0.47 ac11% of homes35% of homes
Year builtnewer than200277% of homes84% of homes

About 521 Riverside Dr

How much is 521 Riverside Dr, Eddington, ME worth?

The TopHap Estimate for 521 Riverside Dr, Eddington, ME is $180,491 as of Jul 14, 2026. The likely range is $123,638 to $237,344. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 521 Riverside Dr, Eddington, ME last sell?

521 Riverside Dr, Eddington, ME last sold on Sep 13, 2021 for $141,900, according to the county's recorded deed.

How big is 521 Riverside Dr, Eddington, ME?

521 Riverside Dr, Eddington, ME has 1 bedrooms, 1.5 bathrooms, 1,668 square feet of living space and a 0.47-acre lot.

When was 521 Riverside Dr, Eddington, ME built?

521 Riverside Dr, Eddington, ME was built in 2002, making it 24 years old. The building has 2 stories.

What schools serve 521 Riverside Dr, Eddington, ME?

521 Riverside Dr, Eddington, ME is assigned to Eddington School (elementary); Holbrook School (middle), rated B+. All sit in School Administrative District 63. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 521 Riverside Dr, Eddington, ME compare to other homes in Eddington 04428?

Among the 1,367 homes in Eddington 04428, it is worth more than 14% of them ($180,491 against a typical $302,573), its price per square foot is higher than 2% of them ($108 against a typical $268), it is bigger than 74% of them (1,668 ft² against a typical 1,265 ft²), its lot is bigger than 11% of them (0.47 ac against a typical 2.05 ac) and it is newer than 77% of them (2002 against a typical 1985). Measured against all of Penobscot County, it is worth more than 26% 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 521 Riverside Dr, Eddington, ME?

The 2025 property tax bill for 521 Riverside Dr, Eddington, ME was $1,355. The county assessed it at $112,000.

Closest homes

More homes in Eddington 04428

Assigned schools

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