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CondominiumResidential
$527,446$511 / 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 84How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026

150 SPRING ST

PORTLAND, ME 04101
Building report
2
Beds
1
Baths
1,032 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.
1900
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$527K
$445K low$610K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,185 (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.$516,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$103,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$413,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$286,400

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
CountyCUMBERLAND
HeatingThe type of heating system in the home.Space
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(4)

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.

E
Howard C Reiche Community SchoolD+
Elementary · Grades PK–5 · 0.2 mi
H
Portland High SchoolC-
High · Grades 9–12 · 0.5 mi
M
King Middle SchoolD-
Middle · Grades 6–8 · 0.7 mi

District: Portland

Neighborhood · ZIP 04101These 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.162
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.90
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.88

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.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.15%
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.19,646
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,816 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$64,615
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$91,739
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

150 Spring 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 74% of homes in Portland 04101
  • Costs more per square foot than 76% of homes in Cumberland County
  • Smaller than 79% of homes in Cumberland County
  • Older than 90% of homes in Cumberland County

What homes are worth in Portland 04101

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

This home
$304K$1.9M

This home is worth more than 26% of homes in Portland 04101.

How it measures up in Portland 04101

The dot is this home. The mark in the middle is the typical home in Portland 04101.

Estimated value$527,446
CheaperTypical $686,619Pricier

Pricier than 26% of homes nearby

Price per ft²$511
CheaperTypical $599Pricier

Pricier than 28% of homes nearby

Living area1,032 ft²
SmallerTypical 1,409 ft²Bigger

Bigger than 25% of homes nearby

Year built1900
OlderTypical 1910Newer

Newer than 47% of homes nearby

How 150 Spring St ranks against every home in each area.
MeasureThis homeWest EndPortland 04101Cumberland County
Estimated valuepricier than$527,44639% of homes26% of homes40% of homes
Price per ft²pricier than$51140% of homes28% of homes76% of homes
Living areabigger than1,032 ft²26% of homes25% of homes21% of homes
Year builtnewer than190063% of homes47% of homes10% of homes

About 150 Spring St

How much is 150 Spring St, Portland, ME worth?

The TopHap Estimate for 150 Spring St, Portland, ME is $527,446 as of Sep 24, 2026. The likely range is $445,333 to $609,559. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 150 Spring St, Portland, ME last sell?

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

How big is 150 Spring St, Portland, ME?

150 Spring St, Portland, ME has 2 bedrooms, 1 bathrooms and 1,032 square feet of living space.

When was 150 Spring St, Portland, ME built?

150 Spring St, Portland, ME was built in 1900, making it 126 years old. The building has 2 stories.

What schools serve 150 Spring St, Portland, ME?

150 Spring St, Portland, ME is assigned to Howard C Reiche Community School (elementary), rated D+; Portland High School (high), rated C-; King Middle School (middle), rated D-. All sit in Portland. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 150 Spring St, Portland, ME compare to other homes in Portland 04101?

Among the 3,893 homes in Portland 04101, it is worth more than 26% of them ($527,446 against a typical $686,619), its price per square foot is higher than 28% of them ($511 against a typical $599), it is bigger than 25% of them (1,032 ft² against a typical 1,409 ft²) and it is newer than 47% of them (1900 against a typical 1910). Measured against all of Cumberland County, it is worth more than 40% 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 150 Spring St, Portland, ME?

The 2025 property tax bill for 150 Spring St, Portland, ME was $6,185. The county assessed it at $516,300.

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