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Single Family ResidenceResidential
$361,541$319 / 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 93How 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 $342,500 on Apr 15, 2025

91 RIVER ST

SANFORD, ME 04073
3
Beds
1.5
Baths
1,134 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
1880
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$362K
$335K low$388K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$342,500 · Apr 15, 2025
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.$361,541
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$289,233

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,314 (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.$193,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$36,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$157,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$259,920

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.Bungalow
CountyYORK
Lot (acres)The size of the land the home sits on, from county records.0.21
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(7)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

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

91 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 83% of homes in York County
  • Costs less per square foot than 68% of homes in York County
  • Smaller than 67% of homes in Sanford 04073
  • Has a smaller lot than 83% of homes in York County
  • Older than 98% of homes in Sanford 04073

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 41% 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$361,541
CheaperTypical $379,550Pricier

Pricier than 41% of homes nearby

Price per ft²$319
CheaperTypical $290Pricier

Pricier than 64% of homes nearby

Living area1,134 ft²
SmallerTypical 1,344 ft²Bigger

Bigger than 33% of homes nearby

Lot size0.21 ac
SmallerTypical 0.34 acBigger

Bigger than 26% of homes nearby

Year built1880
OlderTypical 1973Newer

Newer than 2% of homes nearby

How 91 River St ranks against every home in each area.
MeasureThis homeSanford 04073York County
Estimated valuepricier than$361,54141% of homes17% of homes
Price per ft²pricier than$31964% of homes32% of homes
Living areabigger than1,134 ft²33% of homes34% of homes
Lot sizebigger than0.21 ac26% of homes17% of homes
Year builtnewer than18802% of homes4% of homes

About 91 River St

How much is 91 River St, Sanford, ME worth?

The TopHap Estimate for 91 River St, Sanford, ME is $361,541 as of Jul 14, 2026. The likely range is $335,244 to $387,838. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 91 River St, Sanford, ME last sell?

91 River St, Sanford, ME last sold on Apr 15, 2025 for $342,500, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 91 River St, Sanford, ME?

91 River St, Sanford, ME has 3 bedrooms, 1.5 bathrooms, 1,134 square feet of living space and a 0.21-acre lot.

When was 91 River St, Sanford, ME built?

91 River St, Sanford, ME was built in 1880, making it 146 years old. It is a bungalow home. The building has 1 story.

How does 91 River St, Sanford, ME compare to other homes in Sanford 04073?

Among the 5,918 homes in Sanford 04073, it is worth more than 41% of them ($361,541 against a typical $379,550), its price per square foot is higher than 64% of them ($319 against a typical $290), it is bigger than 33% of them (1,134 ft² against a typical 1,344 ft²), its lot is bigger than 26% of them (0.21 ac against a typical 0.34 ac) and it is newer than 2% of them (1880 against a typical 1973). Measured against all of York County, it is worth more than 17% 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 91 River St, Sanford, ME?

The 2025 property tax bill for 91 River St, Sanford, ME was $3,314. The county assessed it at $193,800.

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