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Single Family ResidenceResidential
$860,720$322 / 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 81How 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

15 ROUNDABOUT LN

PORTLAND, ME 04102
2
Beds
3
Baths
2,669 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.
0.46 ac
Lot SizeThe size of the land the home sits on, from county records.
1958
Year BuiltThe year the home was originally built, according to county records.
2
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

$861K
$698K low$1M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,974 (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.$749,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$137,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$611,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$474,700

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.Cape Cod
CountyCUMBERLAND
Lot (acres)The size of the land the home sits on, from county records.0.46
HeatingThe type of heating system in the home.Hot Water
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(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.

E
Amanda C Rowe SchoolC-
Elementary · Grades PK–5 · 1.2 mi
H
Deering High SchoolD
High · Grades 9–12 · 1.3 mi
M
King Middle SchoolD-
Middle · Grades 6–8 · 2.1 mi

District: Portland

Neighborhood · ZIP 04102These 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.124
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.89
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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.38%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.9%
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.18,797
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,894 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$76,542
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$101,698
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

15 Roundabout Ln 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 more than 81% of homes in Portland 04102
  • Costs less per square foot than 92% of homes in Portland 04102
  • Bigger than 87% of homes in Cumberland County
  • Has a bigger lot than 93% of homes in Portland 04102
  • Newer than 69% of homes in Portland 04102

What homes are worth in Portland 04102

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

This home
$310K$2M

This home is worth more than 81% of homes in Portland 04102.

How it measures up in Portland 04102

The dot is this home. The mark in the middle is the typical home in Portland 04102.

Estimated value$860,720
CheaperTypical $585,028Pricier

Pricier than 81% of homes nearby

Price per ft²$322
CheaperTypical $443Pricier

Pricier than 8% of homes nearby

Living area2,669 ft²
SmallerTypical 1,542 ft²Bigger

Bigger than 81% of homes nearby

Lot size0.46 ac
SmallerTypical 0.17 acBigger

Bigger than 93% of homes nearby

Year built1958
OlderTypical 1930Newer

Newer than 69% of homes nearby

How 15 Roundabout Ln ranks against every home in each area.
MeasureThis homeStroudwaterPortland 04102Cumberland County
Estimated valuepricier than$860,72035% of homes81% of homes78% of homes
Price per ft²pricier than$32213% of homes8% of homes23% of homes
Living areabigger than2,669 ft²72% of homes81% of homes87% of homes
Lot sizebigger than0.46 ac60% of homes93% of homes43% of homes
Year builtnewer than195836% of homes69% of homes32% of homes

About 15 Roundabout Ln

How much is 15 Roundabout Ln, Portland, ME worth?

The TopHap Estimate for 15 Roundabout Ln, Portland, ME is $860,720 as of Sep 24, 2026. The likely range is $697,531 to $1,023,909. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 15 Roundabout Ln, Portland, ME last sell?

15 Roundabout Ln, Portland, ME last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 15 Roundabout Ln, Portland, ME?

15 Roundabout Ln, Portland, ME has 2 bedrooms, 3 bathrooms, 2,669 square feet of living space and a 0.46-acre lot.

When was 15 Roundabout Ln, Portland, ME built?

15 Roundabout Ln, Portland, ME was built in 1958, making it 68 years old. It is a cape cod home. The building has 2 stories.

What schools serve 15 Roundabout Ln, Portland, ME?

15 Roundabout Ln, Portland, ME is assigned to Amanda C Rowe School (elementary), rated C-; Deering High School (high), rated D; King Middle School (middle), rated D-. All sit in Portland. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 15 Roundabout Ln, Portland, ME compare to other homes in Portland 04102?

Among the 5,200 homes in Portland 04102, it is worth more than 81% of them ($860,720 against a typical $585,028), its price per square foot is higher than 8% of them ($322 against a typical $443), it is bigger than 81% of them (2,669 ft² against a typical 1,542 ft²), its lot is bigger than 93% of them (0.46 ac against a typical 0.17 ac) and it is newer than 69% of them (1958 against a typical 1930). Measured against all of Cumberland County, it is worth more than 78% 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 15 Roundabout Ln, Portland, ME?

The 2025 property tax bill for 15 Roundabout Ln, Portland, ME was $8,974. The county assessed it at $749,100.

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