Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$1,862,163$632 / 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 90How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $625,000 on Jun 16, 2011

90 PROSPECT ST

PORTLAND, ME 04103
4
Beds
3 / 2
Baths
2,945 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.
0.28 ac
Lot SizeThe size of the land the home sits on, from county records.
1878
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.

Valuation

$1.9M
$1.7M low$2.1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$625,000 · Jun 16, 2011

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$17,107 (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.$1,428,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$180,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,247,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$766,100

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyCUMBERLAND
Lot (acres)The size of the land the home sits on, from county records.0.28
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
PoolWhether the property has a pool, and what kind, such as in-ground.Yes

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.

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 · 0.8 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%

Owner Tools

Do you own this home?
Claim this home

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

90 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.

  • Among the most valuable homes in Rosemont
  • Costs more per square foot than 98% of homes in Rosemont
  • Bigger than 92% of homes in Portland 04103
  • Has a bigger lot than 85% of homes in Rosemont
  • Older than 98% of homes in Rosemont

What homes are worth in Portland 04103

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

This home
$324K$1.1M

This home is worth more than almost all 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.

Estimated value$1,862,163
CheaperTypical $530,253Pricier

Pricier than almost all homes nearby

Price per ft²$632
CheaperTypical $387Pricier

Pricier than 98% of homes nearby

Living area2,945 ft²
SmallerTypical 1,512 ft²Bigger

Bigger than 92% of homes nearby

Lot size0.28 ac
SmallerTypical 0.19 acBigger

Bigger than 77% of homes nearby

Year built1878
OlderTypical 1954Newer

Newer than 2% of homes nearby

How 90 Prospect St ranks against every home in each area.
MeasureThis homeRosemontPortland 04103Cumberland County
Estimated valuepricier than$1,862,163almost all homesalmost all homes98% of homes
Price per ft²pricier than$63298% of homes98% of homes90% of homes
Living areabigger than2,945 ft²88% of homes92% of homes91% of homes
Lot sizebigger than0.28 ac85% of homes77% of homes30% of homes
Year builtnewer than18782% of homes2% of homes4% of homes

About 90 Prospect St

How much is 90 Prospect St, Portland, ME worth?

The TopHap Estimate for 90 Prospect St, Portland, ME is $1,862,163 as of Aug 30, 2026. The likely range is $1,667,899 to $2,056,427. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 90 Prospect St, Portland, ME last sell?

90 Prospect St, Portland, ME last sold on Jun 16, 2011 for $625,000, according to the county's recorded deed.

How big is 90 Prospect St, Portland, ME?

90 Prospect St, Portland, ME has 4 bedrooms, 3 bathrooms, 2,945 square feet of living space and a 0.28-acre lot.

When was 90 Prospect St, Portland, ME built?

90 Prospect St, Portland, ME was built in 1878, making it 148 years old. The building has 2 stories.

What schools serve 90 Prospect St, Portland, ME?

90 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 90 Prospect St, Portland, ME compare to other homes in Portland 04103?

Among the 9,383 homes in Portland 04103, it is worth more than almost all of them ($1,862,163 against a typical $530,253), its price per square foot is higher than 98% of them ($632 against a typical $387), it is bigger than 92% of them (2,945 ft² against a typical 1,512 ft²), its lot is bigger than 77% of them (0.28 ac against a typical 0.19 ac) and it is newer than 2% of them (1878 against a typical 1954). Measured against all of Cumberland County, it is worth more than 98% 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 90 Prospect St, Portland, ME?

The 2025 property tax bill for 90 Prospect St, Portland, ME was $17,107. The county assessed it at $1,428,000.

More homes on Prospect St

Closest homes

More homes in Portland 04103

Assigned schools

Explore the area

See this home in context

Open 90 Prospect St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map