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Duplex (2 Units, Any Combination)Residential

89 PROSPECT ST

PORTLAND, ME 04103
3
Beds
3
Baths
2,781 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
1874
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
10
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.$11,129 (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.$929,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$172,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$756,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$692,800

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
CountyCUMBERLAND
Lot (acres)The size of the land the home sits on, from county records.0.16
HeatingThe type of heating system in the home.Steam
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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
Deering High SchoolD
High · Grades 9–12 · 0.5 mi
E
Longfellow School-PortlandA+
Elementary · Grades PK–5 · 0.6 mi
M
Lincoln Middle SchoolB-
Middle · Grades 6–8 · 0.7 mi

District: Portland

Neighborhood · ZIP 04103These 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.83
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 100.86

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.33%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.8%
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.31,898
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,948 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$84,945
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$108,429
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.46 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

89 Prospect 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 90% of homes in Portland 04103
  • Has a smaller lot than 86% of homes in Cumberland County
  • Among the oldest homes in Portland 04103

How it measures up in Portland 04103

The dot is this home. The mark in the middle is the typical home in Portland 04103.

Living area2,781 ft²
SmallerTypical 1,512 ft²Bigger

Bigger than 90% of homes nearby

Lot size0.16 ac
SmallerTypical 0.19 acBigger

Bigger than 33% of homes nearby

Year built1874
OlderTypical 1954Newer

Older than almost all homes nearby

How 89 Prospect St ranks against every home in each area.
MeasureThis homeRosemontPortland 04103Cumberland County
Living areabigger than2,781 ft²86% of homes90% of homes88% of homes
Lot sizebigger than0.16 ac43% of homes33% of homes14% of homes
Year builtnewer than18742% of homesalmost no homes4% of homes

About 89 Prospect St

When did 89 Prospect St, Portland, ME last sell?

89 Prospect St, Portland, ME last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 89 Prospect St, Portland, ME?

89 Prospect St, Portland, ME has 3 bedrooms, 3 bathrooms, 2,781 square feet of living space and a 0.16-acre lot.

When was 89 Prospect St, Portland, ME built?

89 Prospect St, Portland, ME was built in 1874, making it 152 years old. The building has 2 stories.

What schools serve 89 Prospect St, Portland, ME?

89 Prospect St, Portland, ME is assigned to Deering High School (high), rated D; Longfellow School-Portland (elementary), rated A+; Lincoln Middle School (middle), rated B-. All sit in Portland. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 89 Prospect St, Portland, ME compare to other homes in Portland 04103?

Among the 9,383 homes in Portland 04103, it is bigger than 90% of them (2,781 ft² against a typical 1,512 ft²), its lot is bigger than 33% of them (0.16 ac against a typical 0.19 ac) and it is newer than almost none of them (1874 against a typical 1954). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 89 Prospect St, Portland, ME?

The 2025 property tax bill for 89 Prospect St, Portland, ME was $11,129. The county assessed it at $929,000.

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