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Duplex (2 Units, Any Combination)Residential

831 RIVER AVE

GARDINER, ME 04345
4
Beds
3
Baths
2,609 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.
1.3 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.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,908 (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.$148,600 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$22,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$125,900

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.23 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.0.2 percent flood zone

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
CountyKENNEBEC
Lot (acres)The size of the land the home sits on, from county records.1.30
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

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Laura E Richards School
Elementary · Grades PK–2 · 3.2 mi
M
Gardiner Regional Middle SchoolC+
Middle · Grades 6–8 · 3.6 mi
H
Gardiner Area High SchoolB-
High · Grades 9–12 · 4.0 mi

District: School Administrative District 11

Neighborhood · ZIP 04345These 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.89
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 100.70

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.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
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.12,905
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.169 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$77,268
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$93,055
Average tempThe average temperature here across a full year.45°F
Annual precipHow much rain and melted snow falls here in a typical year.44 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.Absentee owner
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

831 River 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.

  • Bigger than 92% of homes in Kennebec County
  • Older than 80% of homes in Kennebec County

How it measures up in Gardiner 04345

The dot is this home. The mark in the middle is the typical home in Gardiner 04345.

Living area2,609 ft²
SmallerTypical 1,489 ft²Bigger

Bigger than 88% of homes nearby

Lot size1.3 ac
SmallerTypical 1.11 acBigger

Bigger than 53% of homes nearby

Year built1920
OlderTypical 1948Newer

Newer than 42% of homes nearby

How 831 River Ave ranks against every home in each area.
MeasureThis homeGardiner 04345Kennebec County
Living areabigger than2,609 ft²88% of homes92% of homes
Lot sizebigger than1.3 ac53% of homes54% of homes
Year builtnewer than192042% of homes20% of homes

About 831 River Ave

When did 831 River Ave, Gardiner, ME last sell?

831 River Ave, Gardiner, ME last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 831 River Ave, Gardiner, ME?

831 River Ave, Gardiner, ME has 4 bedrooms, 3 bathrooms, 2,609 square feet of living space and a 1.30-acre lot.

When was 831 River Ave, Gardiner, ME built?

831 River Ave, Gardiner, ME was built in 1920, making it 106 years old. It is a duplex single home. The building has 2 stories.

What schools serve 831 River Ave, Gardiner, ME?

831 River Ave, Gardiner, ME is assigned to Laura E Richards School (elementary); Gardiner Regional Middle School (middle), rated C+; Gardiner Area High School (high), rated B-. All sit in School Administrative District 11. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 831 River Ave, Gardiner, ME compare to other homes in Gardiner 04345?

Among the 4,739 homes in Gardiner 04345, it is bigger than 88% of them (2,609 ft² against a typical 1,489 ft²), its lot is bigger than 53% of them (1.3 ac against a typical 1.11 ac) and it is newer than 42% of them (1920 against a typical 1948). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 831 River Ave, Gardiner, ME?

The 2025 property tax bill for 831 River Ave, Gardiner, ME was $3,908. The county assessed it at $148,600.

Closest homes

More homes in Gardiner 04345

Assigned schools

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