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Single Family ResidenceResidential
$667,423$281 / 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 Sep 24, 2026
Last sold for $348,000 on Jul 24, 2020

21 OLD SOUTH PL

BATH, ME 04530
3
Beds
2.5
Baths
2,374 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.
0.25 ac
Lot SizeThe size of the land the home sits on, from county records.
1892
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$667K
$599K low$736K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$348,000 · Jul 24, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,854 (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.$487,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$45,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$442,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$447,200

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.Victorian
CountySAGADAHOC
Lot (acres)The size of the land the home sits on, from county records.0.25
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.DeckElevator

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.

H
Morse High SchoolD+
High · Grades 9–12 · 0.3 mi
E
Dike-Newell School
Elementary · Grades PK–2 · 0.8 mi
M
Bath Middle SchoolD
Middle · Grades 6–8 · 0.8 mi

District: Regional School Unit 01

Neighborhood · ZIP 04530These 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.127
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.90
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.69

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.24%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.7%
PopulationHow many people live in this area.11,587
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.291 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$75,130
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$95,865
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.50%

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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

21 Old South Pl 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 82% of homes in Sagadahoc County
  • Bigger than 88% of homes in Sagadahoc County
  • Has a smaller lot than 81% of homes in Sagadahoc County
  • Older than 87% of homes in Sagadahoc County

What homes are worth in Bath 04530

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

This home
$193K$1.3M

This home is worth more than 77% of homes in Bath 04530.

How it measures up in Bath 04530

The dot is this home. The mark in the middle is the typical home in Bath 04530.

Estimated value$667,423
CheaperTypical $445,740Pricier

Pricier than 77% of homes nearby

Price per ft²$281
CheaperTypical $300Pricier

Pricier than 44% of homes nearby

Living area2,374 ft²
SmallerTypical 1,542 ft²Bigger

Bigger than 83% of homes nearby

Lot size0.25 ac
SmallerTypical 0.32 acBigger

Bigger than 44% of homes nearby

Year built1892
OlderTypical 1940Newer

Newer than 23% of homes nearby

How 21 Old South Pl ranks against every home in each area.
MeasureThis homeBath 04530Sagadahoc County
Estimated valuepricier than$667,42377% of homes82% of homes
Price per ft²pricier than$28144% of homes39% of homes
Living areabigger than2,374 ft²83% of homes88% of homes
Lot sizebigger than0.25 ac44% of homes19% of homes
Year builtnewer than189223% of homes13% of homes

About 21 Old South Pl

How much is 21 Old South Pl, Bath, ME worth?

The TopHap Estimate for 21 Old South Pl, Bath, ME is $667,423 as of Sep 24, 2026. The likely range is $598,800 to $736,046. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Old South Pl, Bath, ME last sell?

21 Old South Pl, Bath, ME last sold on Jul 24, 2020 for $348,000, according to the county's recorded deed.

How big is 21 Old South Pl, Bath, ME?

21 Old South Pl, Bath, ME has 3 bedrooms, 2.5 bathrooms, 2,374 square feet of living space and a 0.25-acre lot.

When was 21 Old South Pl, Bath, ME built?

21 Old South Pl, Bath, ME was built in 1892, making it 134 years old. It is a victorian home. The building has 2 stories.

What schools serve 21 Old South Pl, Bath, ME?

21 Old South Pl, Bath, ME is assigned to Morse High School (high), rated D+; Dike-Newell School (elementary); Bath Middle School (middle), rated D. All sit in Regional School Unit 01. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Old South Pl, Bath, ME compare to other homes in Bath 04530?

Among the 4,392 homes in Bath 04530, it is worth more than 77% of them ($667,423 against a typical $445,740), its price per square foot is higher than 44% of them ($281 against a typical $300), it is bigger than 83% of them (2,374 ft² against a typical 1,542 ft²), its lot is bigger than 44% of them (0.25 ac against a typical 0.32 ac) and it is newer than 23% of them (1892 against a typical 1940). Measured against all of Sagadahoc County, it is worth more than 82% 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 21 Old South Pl, Bath, ME?

The 2025 property tax bill for 21 Old South Pl, Bath, ME was $7,854. The county assessed it at $487,800.

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