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Single Family ResidenceResidential
$231,807$298 / 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 Jul 14, 2026

81 RIVER ST

SANFORD, ME 04073
2
Beds
1
Baths
778 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.
4,029 ft²
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.

Valuation

$232K
$196K low$267K high
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.$231,807
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$185,446

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,924 (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.$112,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$18,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$94,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$157,225

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
CountyYORK
Lot (acres)The size of the land the home sits on, from county records.0.09
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

Neighborhood · ZIP 04073These 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.116
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.93
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.97

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.16%
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.18,822
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.495 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$72,977
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$83,891
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.48 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.57%

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

81 River 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.

  • Worth less than 98% of homes in Sanford 04073
  • Costs less per square foot than 76% of homes in York County
  • Smaller than 95% of homes in Sanford 04073
  • Has a smaller lot than 96% of homes in Sanford 04073
  • Older than 91% of homes in York County

What homes are worth in Sanford 04073

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

This home
$234K$683K

This home is worth more than 2% of homes in Sanford 04073.

How it measures up in Sanford 04073

The dot is this home. The mark in the middle is the typical home in Sanford 04073.

Estimated value$231,807
CheaperTypical $379,550Pricier

Pricier than 2% of homes nearby

Price per ft²$298
CheaperTypical $290Pricier

Pricier than 55% of homes nearby

Living area778 ft²
SmallerTypical 1,344 ft²Bigger

Bigger than 5% of homes nearby

Lot size4,029 ft²
SmallerTypical 0.34 acBigger

Bigger than 4% of homes nearby

Year built1900
OlderTypical 1973Newer

Newer than 10% of homes nearby

How 81 River St ranks against every home in each area.
MeasureThis homeSanford 04073York County
Estimated valuepricier than$231,8072% of homes2% of homes
Price per ft²pricier than$29855% of homes24% of homes
Living areabigger than778 ft²5% of homes12% of homes
Lot sizebigger than4,029 ft²4% of homes5% of homes
Year builtnewer than190010% of homes9% of homes

About 81 River St

How much is 81 River St, Sanford, ME worth?

The TopHap Estimate for 81 River St, Sanford, ME is $231,807 as of Jul 14, 2026. The likely range is $196,294 to $267,320. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 81 River St, Sanford, ME last sell?

81 River St, Sanford, ME last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 81 River St, Sanford, ME?

81 River St, Sanford, ME has 2 bedrooms, 1 bathrooms, 778 square feet of living space and a 0.09-acre lot.

When was 81 River St, Sanford, ME built?

81 River St, Sanford, ME was built in 1900, making it 126 years old. It is a conventional home. The building has 2 stories.

How does 81 River St, Sanford, ME compare to other homes in Sanford 04073?

Among the 5,918 homes in Sanford 04073, it is worth more than 2% of them ($231,807 against a typical $379,550), its price per square foot is higher than 55% of them ($298 against a typical $290), it is bigger than 5% of them (778 ft² against a typical 1,344 ft²), its lot is bigger than 4% of them (4,029 ft² against a typical 0.34 ac) and it is newer than 10% of them (1900 against a typical 1973). Measured against all of York County, it is worth more than 2% 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 81 River St, Sanford, ME?

The 2025 property tax bill for 81 River St, Sanford, ME was $1,924. The county assessed it at $112,500.

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