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Single Family ResidenceResidential
$311,964$232 / 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 85How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026

104 MILL ST

ORONO, ME 04473
2
Beds
1
Baths
1,344 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.
0.39 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

$312K
$265K low$359K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,606 (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.$181,200 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$39,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$141,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$166,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$263,340

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.27 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

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.Conventional
CountyPENOBSCOT
Lot (acres)The size of the land the home sits on, from county records.0.39
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

Transaction History(2)

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 · 0.4 mi
H
Orono High SchoolB
High · Grades 9–12 · 0.5 mi
M
Orono Middle SchoolA-
Middle · Grades 6–8 · 0.5 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

104 Mill 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.

  • Has a smaller lot than 69% of homes in Penobscot County
  • Older than 82% 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
$131K$737K

This home is worth more than 39% 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$311,964
CheaperTypical $344,268Pricier

Pricier than 39% of homes nearby

Price per ft²$232
CheaperTypical $226Pricier

Pricier than 53% of homes nearby

Living area1,344 ft²
SmallerTypical 1,539 ft²Bigger

Bigger than 38% of homes nearby

Lot size0.39 ac
SmallerTypical 0.48 acBigger

Bigger than 41% of homes nearby

Year built1900
OlderTypical 1956Newer

Newer than 19% of homes nearby

How 104 Mill St ranks against every home in each area.
MeasureThis homeOrono 04473Penobscot County
Estimated valuepricier than$311,96439% of homes59% of homes
Price per ft²pricier than$23253% of homes51% of homes
Living areabigger than1,344 ft²38% of homes45% of homes
Lot sizebigger than0.39 ac41% of homes31% of homes
Year builtnewer than190019% of homes18% of homes

About 104 Mill St

How much is 104 Mill St, Orono, ME worth?

The TopHap Estimate for 104 Mill St, Orono, ME is $311,964 as of Sep 24, 2026. The likely range is $264,944 to $358,984. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 104 Mill St, Orono, ME last sell?

104 Mill St, Orono, ME last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 104 Mill St, Orono, ME?

104 Mill St, Orono, ME has 2 bedrooms, 1 bathrooms, 1,344 square feet of living space and a 0.39-acre lot.

When was 104 Mill St, Orono, ME built?

104 Mill St, Orono, ME was built in 1900, making it 126 years old. It is a conventional home. The building has 2 stories.

What schools serve 104 Mill St, Orono, ME?

104 Mill St, 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 104 Mill St, Orono, ME compare to other homes in Orono 04473?

Among the 1,809 homes in Orono 04473, it is worth more than 39% of them ($311,964 against a typical $344,268), its price per square foot is higher than 53% of them ($232 against a typical $226), it is bigger than 38% of them (1,344 ft² against a typical 1,539 ft²), its lot is bigger than 41% of them (0.39 ac against a typical 0.48 ac) and it is newer than 19% of them (1900 against a typical 1956). Measured against all of Penobscot County, it is worth more than 59% 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 104 Mill St, Orono, ME?

The 2025 property tax bill for 104 Mill St, Orono, ME was $3,606. The county assessed it at $181,200.

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