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Duplex (2 Units, Any Combination)Residential

11 MASON ST

BIDDEFORD, ME 04005
4
Beds
2
Baths
1,750 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.
3,920 ft²
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.$5,026 (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.$336,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$125,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$211,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$332,500

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.8 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.Duplex (2 Units, Any Combination)
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.Metal
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.

H
Biddeford High SchoolC+
High · Grades 8–12 · 0.6 mi
E
Biddeford Primary School
Elementary · Grades KG–2 · 1.1 mi
M
Biddeford Middle SchoolD
Middle · Grades 5–7 · 1.2 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

11 Mason 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.

  • Bigger than 67% of homes in York County
  • Has a smaller lot than 97% of homes in Biddeford 04005
  • Older than 86% of homes in York County

How it measures up in Biddeford 04005

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

Living area1,750 ft²
SmallerTypical 1,550 ft²Bigger

Bigger than 59% of homes nearby

Lot size3,920 ft²
SmallerTypical 0.4 acBigger

Bigger than 3% of homes nearby

Year built1920
OlderTypical 1965Newer

Newer than 26% of homes nearby

How 11 Mason St ranks against every home in each area.
MeasureThis homeBiddeford 04005York County
Living areabigger than1,750 ft²59% of homes67% of homes
Lot sizebigger than3,920 ft²3% of homes5% of homes
Year builtnewer than192026% of homes14% of homes

About 11 Mason St

When did 11 Mason St, Biddeford, ME last sell?

11 Mason St, Biddeford, ME last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 11 Mason St, Biddeford, ME?

11 Mason St, Biddeford, ME has 4 bedrooms, 2 bathrooms, 1,750 square feet of living space and a 0.09-acre lot.

When was 11 Mason St, Biddeford, ME built?

11 Mason St, Biddeford, ME was built in 1920, making it 106 years old. The building has 2 stories.

What schools serve 11 Mason St, Biddeford, ME?

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

How does 11 Mason St, Biddeford, ME compare to other homes in Biddeford 04005?

Among the 7,483 homes in Biddeford 04005, it is bigger than 59% of them (1,750 ft² against a typical 1,550 ft²), its lot is bigger than 3% of them (3,920 ft² against a typical 0.4 ac) and it is newer than 26% of them (1920 against a typical 1965). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 11 Mason St, Biddeford, ME?

The 2025 property tax bill for 11 Mason St, Biddeford, ME was $5,026. The county assessed it at $336,400.

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