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Single Family ResidenceResidential
$510,068$412 / 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 94How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

45 ROSEMONT AVE

PORTLAND, ME 04103
3
Beds
1
Baths
1,238 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1927
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$510K
$482K low$538K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$266,393
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$213,114
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.48%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$243,675
ACADEMY MORTGAGE CORP · R · recorded May 1, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,258 (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.$522,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$142,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$380,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$355,000

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.0.14
HeatingThe type of heating system in the home.Steam
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

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 · 0.2 mi
E
Longfellow School-PortlandA+
Elementary · Grades PK–5 · 0.3 mi
M
Lincoln Middle SchoolB-
Middle · Grades 6–8 · 0.5 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
Company ownedWhether the owner is a company or trust rather than a person.No

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

45 Rosemont Ave 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 70% of homes in Deering Center
  • Smaller than 79% of homes in Deering Center
  • Has a smaller lot than 88% of homes in Cumberland County
  • Older than 83% of homes in Cumberland County

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
$329K$1.1M

This home is worth more than 43% of 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$510,068
CheaperTypical $534,035Pricier

Pricier than 43% of homes nearby

Price per ft²$412
CheaperTypical $389Pricier

Pricier than 60% of homes nearby

Living area1,238 ft²
SmallerTypical 1,508 ft²Bigger

Bigger than 32% of homes nearby

Lot size0.14 ac
SmallerTypical 0.19 acBigger

Bigger than 26% of homes nearby

Year built1927
OlderTypical 1954Newer

Newer than 31% of homes nearby

How 45 Rosemont Ave ranks against every home in each area.
MeasureThis homeDeering CenterPortland 04103Cumberland County
Estimated valuepricier than$510,06830% of homes43% of homes40% of homes
Price per ft²pricier than$41260% of homes60% of homes59% of homes
Living areabigger than1,238 ft²21% of homes32% of homes34% of homes
Lot sizebigger than0.14 ac45% of homes26% of homes12% of homes
Year builtnewer than192758% of homes31% of homes17% of homes

About 45 Rosemont Ave

How much is 45 Rosemont Ave, Portland, ME worth?

The TopHap Estimate for 45 Rosemont Ave, Portland, ME is $510,068 as of Jul 14, 2026. The likely range is $481,638 to $538,498. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 45 Rosemont Ave, Portland, ME last sell?

45 Rosemont Ave, Portland, ME last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 45 Rosemont Ave, Portland, ME?

45 Rosemont Ave, Portland, ME has 3 bedrooms, 1 bathrooms, 1,238 square feet of living space and a 0.14-acre lot.

When was 45 Rosemont Ave, Portland, ME built?

45 Rosemont Ave, Portland, ME was built in 1927, making it 99 years old. The building has 1 story.

What schools serve 45 Rosemont Ave, Portland, ME?

45 Rosemont Ave, 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 45 Rosemont Ave, Portland, ME compare to other homes in Portland 04103?

Among the 9,383 homes in Portland 04103, it is worth more than 43% of them ($510,068 against a typical $534,035), its price per square foot is higher than 60% of them ($412 against a typical $389), it is bigger than 32% of them (1,238 ft² against a typical 1,508 ft²), its lot is bigger than 26% of them (0.14 ac against a typical 0.19 ac) and it is newer than 31% of them (1927 against a typical 1954). 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 45 Rosemont Ave, Portland, ME?

The 2025 property tax bill for 45 Rosemont Ave, Portland, ME was $6,258. The county assessed it at $522,400.

Closest homes

More homes in Portland 04103

Assigned schools

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