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Single Family ResidenceResidential
$507,970$325 / 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 92How 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 $387,500 on Jul 23, 2021

12 PORTER ST

BIDDEFORD, ME 04005
3
Beds
1.5
Baths
1,563 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.
0.15 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.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$508K
$466K low$550K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$387,500 · Jul 23, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,533 (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.$303,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$127,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$176,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$300,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$628,805

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.0.15
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(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.

H
Biddeford High SchoolF
High · Grades 8–12 · 0.8 mi
M
Biddeford Middle SchoolD
Middle · Grades 5–7 · 1.1 mi
E
Biddeford Primary SchoolD-
Elementary · Grades KG–2 · 1.1 mi

District: Biddeford

Neighborhood · ZIP 04005These 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.93
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.97
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.89

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.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.26,162
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.486 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$73,803
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$90,161
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.47 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.57%

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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

12 Porter 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.

  • Costs less per square foot than 75% of homes in Biddeford 04005
  • Has a smaller lot than 88% of homes in York County
  • Older than 90% of homes in York County

What homes are worth in Biddeford 04005

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

This home
$309K$2.6M

This home is worth more than 42% of homes in Biddeford 04005.

How it measures up in Biddeford 04005

The dot is this home. The mark in the middle is the typical home in Biddeford 04005.

Estimated value$507,970
CheaperTypical $542,504Pricier

Pricier than 42% of homes nearby

Price per ft²$325
CheaperTypical $396Pricier

Pricier than 25% of homes nearby

Living area1,563 ft²
SmallerTypical 1,546 ft²Bigger

Bigger than 51% of homes nearby

Lot size0.15 ac
SmallerTypical 0.4 acBigger

Bigger than 16% of homes nearby

Year built1900
OlderTypical 1965Newer

Newer than 20% of homes nearby

How 12 Porter St ranks against every home in each area.
MeasureThis homeBiddeford 04005York County
Estimated valuepricier than$507,97042% of homes44% of homes
Price per ft²pricier than$32525% of homes27% of homes
Living areabigger than1,563 ft²51% of homes58% of homes
Lot sizebigger than0.15 ac16% of homes12% of homes
Year builtnewer than190020% of homes10% of homes

About 12 Porter St

How much is 12 Porter St, Biddeford, ME worth?

The TopHap Estimate for 12 Porter St, Biddeford, ME is $507,970 as of Oct 21, 2026. The likely range is $466,286 to $549,654. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 12 Porter St, Biddeford, ME last sell?

12 Porter St, Biddeford, ME last sold on Jul 23, 2021 for $387,500, according to the county's recorded deed.

How big is 12 Porter St, Biddeford, ME?

12 Porter St, Biddeford, ME has 3 bedrooms, 1.5 bathrooms, 1,563 square feet of living space and a 0.15-acre lot.

When was 12 Porter St, Biddeford, ME built?

12 Porter St, Biddeford, ME was built in 1900, making it 126 years old. It is a conventional home. The building has 2 stories.

What schools serve 12 Porter St, Biddeford, ME?

12 Porter St, Biddeford, ME is assigned to Biddeford High School (high), rated F; Biddeford Middle School (middle), rated D; Biddeford Primary School (elementary), rated D-. All sit in Biddeford. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 12 Porter St, Biddeford, ME compare to other homes in Biddeford 04005?

Among the 7,483 homes in Biddeford 04005, it is worth more than 42% of them ($507,970 against a typical $542,504), its price per square foot is higher than 25% of them ($325 against a typical $396), it is bigger than 51% of them (1,563 ft² against a typical 1,546 ft²), its lot is bigger than 16% of them (0.15 ac against a typical 0.4 ac) and it is newer than 20% of them (1900 against a typical 1965). Measured against all of York County, it is worth more than 44% 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 12 Porter St, Biddeford, ME?

The 2025 property tax bill for 12 Porter St, Biddeford, ME was $4,533. The county assessed it at $303,400.

More homes on Porter St

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