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Single Family ResidenceResidential
$408,419$448 / 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 92How 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
Last sold for $398,500 on Aug 21, 2024

124 DIAMOND AVE

GREAT DIAMOND ISLAND, ME 04109
1
Beds
1
Baths
911 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.
1,102 ft²
Lot SizeThe size of the land the home sits on, from county records.
1909
Year BuiltThe year the home was originally built, according to county records.
1
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

$408K
$377K low$440K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$398,500 · Aug 21, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,245 (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.$354,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$115,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$238,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$264,300

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Bungalow
CountyCUMBERLAND
Lot (acres)The size of the land the home sits on, from county records.0.03
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.No Foundation
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
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.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.

H
Portland High SchoolD
High · Grades 9–12 · 3.4 mi
E
Howard C Reiche Community SchoolF
Elementary · Grades PK–5 · 4.0 mi
M
King Middle SchoolD
Middle · Grades 6–8 · 4.1 mi

District: Portland

Neighborhood · ZIP 04109These 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.197
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.94
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.84

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.25%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.56%
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.0.8%
PopulationHow many people live in this area.2
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.19 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$25,000
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$111,999
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

124 Diamond 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 91% of homes in Portland 04109
  • Smaller than 97% of homes in Portland 04109
  • Among the smallest lots in Cumberland County
  • Older than 89% of homes in Cumberland County

What homes are worth in Portland 04109

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

This home
$347K$2.8M

This home is worth more than 9% of homes in Portland 04109.

How it measures up in Portland 04109

The dot is this home. The mark in the middle is the typical home in Portland 04109.

Estimated value$408,419
CheaperTypical $865,621Pricier

Pricier than 9% of homes nearby

Price per ft²$448
CheaperTypical $459Pricier

Pricier than 48% of homes nearby

Living area911 ft²
SmallerTypical 1,888 ft²Bigger

Bigger than 3% of homes nearby

Lot size1,102 ft²
SmallerTypical 0.39 acBigger

Bigger than 16% of homes nearby

Year built1909
OlderTypical 1900Newer

Newer than 64% of homes nearby

How 124 Diamond Ave ranks against every home in each area.
MeasureThis homePortland 04109Cumberland County
Estimated valuepricier than$408,4199% of homes16% of homes
Price per ft²pricier than$44848% of homes64% of homes
Living areabigger than911 ft²3% of homes12% of homes
Lot sizebigger than1,102 ft²16% of homesalmost no homes
Year builtnewer than190964% of homes11% of homes

About 124 Diamond Ave

How much is 124 Diamond Ave, Great Diamond Island, ME worth?

The TopHap Estimate for 124 Diamond Ave, Great Diamond Island, ME is $408,419 as of Sep 24, 2026. The likely range is $377,168 to $439,670. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 124 Diamond Ave, Great Diamond Island, ME last sell?

124 Diamond Ave, Great Diamond Island, ME last sold on Aug 21, 2024 for $398,500, according to the county's recorded deed.

How big is 124 Diamond Ave, Great Diamond Island, ME?

124 Diamond Ave, Great Diamond Island, ME has 1 bedrooms, 1 bathrooms, 911 square feet of living space and a 0.03-acre lot.

When was 124 Diamond Ave, Great Diamond Island, ME built?

124 Diamond Ave, Great Diamond Island, ME was built in 1909, making it 117 years old. It is a bungalow home. The building has 1 story.

What schools serve 124 Diamond Ave, Great Diamond Island, ME?

124 Diamond Ave, Great Diamond Island, ME is assigned to Portland High School (high), rated D; Howard C Reiche Community School (elementary), rated F; King Middle School (middle), rated D. All sit in Portland. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 124 Diamond Ave, Great Diamond Island, ME compare to other homes in Portland 04109?

Among the 214 homes in Portland 04109, it is worth more than 9% of them ($408,419 against a typical $865,621), its price per square foot is higher than 48% of them ($448 against a typical $459), it is bigger than 3% of them (911 ft² against a typical 1,888 ft²), its lot is bigger than 16% of them (1,102 ft² against a typical 0.39 ac) and it is newer than 64% of them (1909 against a typical 1900). Measured against all of Cumberland County, it is worth more than 16% 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 124 Diamond Ave, Great Diamond Island, ME?

The 2025 property tax bill for 124 Diamond Ave, Great Diamond Island, ME was $4,245. The county assessed it at $354,300.

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Assigned schools

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