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Single Family ResidenceResidential
$580,093$200 / 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 96How 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
Last sold for $378,800 on Dec 10, 2020

3 RIVERDALE DR

ORONO, ME 04473
4
Beds
2.5
Baths
2,901 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.
0.63 ac
Lot SizeThe size of the land the home sits on, from county records.
1920
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$580K
$558K low$602K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$378,800 · Dec 10, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,556 (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.$379,700 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$55,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$324,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$348,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$571,900

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%

Scores 0–100; higher = greater projected risk.

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.Colonial
CountyPENOBSCOT
Lot (acres)The size of the land the home sits on, from county records.0.63
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(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.

E
Asa C Adams SchoolA+
Elementary · Grades PK–5 · 0.6 mi
H
Orono High SchoolB
High · Grades 9–12 · 0.6 mi
M
Orono Middle SchoolA-
Middle · Grades 6–8 · 0.7 mi

District: Regional School Unit 26

Neighborhood · ZIP 04473These 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.76
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.76
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.59

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.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.18%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.11,793
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.602 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$68,243
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$91,508
Average tempThe average temperature here across a full year.44°F
Annual precipHow much rain and melted snow falls here in a typical year.41 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

3 Riverdale 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 more than 94% of homes in Penobscot County
  • Costs less per square foot than 67% of homes in Orono 04473
  • Bigger than 93% of homes in Penobscot County
  • Older than 76% of homes in Penobscot County

What homes are worth in Orono 04473

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

This home
$133K$728K

This home is worth more than 91% of homes in Orono 04473.

How it measures up in Orono 04473

The dot is this home. The mark in the middle is the typical home in Orono 04473.

Estimated value$580,093
CheaperTypical $350,906Pricier

Pricier than 91% of homes nearby

Price per ft²$200
CheaperTypical $230Pricier

Pricier than 33% of homes nearby

Living area2,901 ft²
SmallerTypical 1,532 ft²Bigger

Bigger than 91% of homes nearby

Lot size0.63 ac
SmallerTypical 0.48 acBigger

Bigger than 60% of homes nearby

Year built1920
OlderTypical 1957Newer

Newer than 25% of homes nearby

How 3 Riverdale Dr ranks against every home in each area.
MeasureThis homeOrono 04473Penobscot County
Estimated valuepricier than$580,09391% of homes94% of homes
Price per ft²pricier than$20033% of homes33% of homes
Living areabigger than2,901 ft²91% of homes93% of homes
Lot sizebigger than0.63 ac60% of homes41% of homes
Year builtnewer than192025% of homes24% of homes

About 3 Riverdale Dr

How much is 3 Riverdale Dr, Orono, ME worth?

The TopHap Estimate for 3 Riverdale Dr, Orono, ME is $580,093 as of Oct 21, 2026. The likely range is $557,727 to $602,459. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3 Riverdale Dr, Orono, ME last sell?

3 Riverdale Dr, Orono, ME last sold on Dec 10, 2020 for $378,800, according to the county's recorded deed.

How big is 3 Riverdale Dr, Orono, ME?

3 Riverdale Dr, Orono, ME has 4 bedrooms, 2.5 bathrooms, 2,901 square feet of living space and a 0.63-acre lot.

When was 3 Riverdale Dr, Orono, ME built?

3 Riverdale Dr, Orono, ME was built in 1920, making it 106 years old. It is a colonial home. The building has 2 stories.

What schools serve 3 Riverdale Dr, Orono, ME?

3 Riverdale Dr, Orono, ME is assigned to Asa C Adams School (elementary), rated A+; Orono High School (high), rated B; Orono Middle School (middle), rated A-. All sit in Regional School Unit 26. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3 Riverdale Dr, Orono, ME compare to other homes in Orono 04473?

Among the 1,809 homes in Orono 04473, it is worth more than 91% of them ($580,093 against a typical $350,906), its price per square foot is higher than 33% of them ($200 against a typical $230), it is bigger than 91% of them (2,901 ft² against a typical 1,532 ft²), its lot is bigger than 60% of them (0.63 ac against a typical 0.48 ac) and it is newer than 25% of them (1920 against a typical 1957). Measured against all of Penobscot 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 3 Riverdale Dr, Orono, ME?

The 2025 property tax bill for 3 Riverdale Dr, Orono, ME was $7,556. The county assessed it at $379,700.

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