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Single Family ResidenceResidential
$442,773$346 / 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

23 SOUTHGATE AVE

BIDDEFORD, ME 04005
2
Beds
1
Baths
1,280 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.
0.2 ac
Lot SizeThe size of the land the home sits on, from county records.
1955
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

$443K
$374K low$512K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,956 (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.$331,700 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$138,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$193,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$327,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$459,135

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.Ranch
CountyYORK
Lot (acres)The size of the land the home sits on, from county records.0.20
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck

Transaction History(1)

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.

M
Biddeford Middle SchoolD
Middle · Grades 5–7 · 0.5 mi
E
Biddeford Primary SchoolD-
Elementary · Grades KG–2 · 0.6 mi
H
Biddeford High SchoolF
High · Grades 8–12 · 1.3 mi

District: Biddeford

Neighborhood · ZIP 04005These 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.93
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.97
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.89

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.19%
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.0.9%
PopulationHow many people live in this area.26,162
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.486 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$73,803
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$90,161
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.47 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

23 Southgate 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 77% of homes in Biddeford 04005
  • Costs less per square foot than 68% of homes in Biddeford 04005
  • Smaller than 65% of homes in Biddeford 04005
  • Has a smaller lot than 83% of homes in York County
  • Older than 75% of homes in York County

What homes are worth in Biddeford 04005

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

This home
$288K$2.6M

This home is worth more than 23% of homes in Biddeford 04005.

How it measures up in Biddeford 04005

The dot is this home. The mark in the middle is the typical home in Biddeford 04005.

Estimated value$442,773
CheaperTypical $537,448Pricier

Pricier than 23% of homes nearby

Price per ft²$346
CheaperTypical $393Pricier

Pricier than 32% of homes nearby

Living area1,280 ft²
SmallerTypical 1,555 ft²Bigger

Bigger than 35% of homes nearby

Lot size0.2 ac
SmallerTypical 0.4 acBigger

Bigger than 25% of homes nearby

Year built1955
OlderTypical 1966Newer

Newer than 43% of homes nearby

How 23 Southgate Ave ranks against every home in each area.
MeasureThis homeBiddeford 04005York County
Estimated valuepricier than$442,77323% of homes31% of homes
Price per ft²pricier than$34632% of homes34% of homes
Living areabigger than1,280 ft²35% of homes42% of homes
Lot sizebigger than0.2 ac25% of homes17% of homes
Year builtnewer than195543% of homes25% of homes

About 23 Southgate Ave

How much is 23 Southgate Ave, Biddeford, ME worth?

The TopHap Estimate for 23 Southgate Ave, Biddeford, ME is $442,773 as of Sep 24, 2026. The likely range is $373,525 to $512,021. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 23 Southgate Ave, Biddeford, ME last sell?

23 Southgate Ave, Biddeford, ME last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 23 Southgate Ave, Biddeford, ME?

23 Southgate Ave, Biddeford, ME has 2 bedrooms, 1 bathrooms, 1,280 square feet of living space and a 0.20-acre lot.

When was 23 Southgate Ave, Biddeford, ME built?

23 Southgate Ave, Biddeford, ME was built in 1955, making it 71 years old. It is a ranch home. The building has 1 story.

What schools serve 23 Southgate Ave, Biddeford, ME?

23 Southgate Ave, Biddeford, ME is assigned to Biddeford Middle School (middle), rated D; Biddeford Primary School (elementary), rated D-; Biddeford High School (high), rated F. All sit in Biddeford. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 23 Southgate Ave, Biddeford, ME compare to other homes in Biddeford 04005?

Among the 7,483 homes in Biddeford 04005, it is worth more than 23% of them ($442,773 against a typical $537,448), its price per square foot is higher than 32% of them ($346 against a typical $393), it is bigger than 35% of them (1,280 ft² against a typical 1,555 ft²), its lot is bigger than 25% of them (0.2 ac against a typical 0.4 ac) and it is newer than 43% of them (1955 against a typical 1966). Measured against all of York County, it is worth more than 31% 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 23 Southgate Ave, Biddeford, ME?

The 2025 property tax bill for 23 Southgate Ave, Biddeford, ME was $4,956. The county assessed it at $331,700.

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