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Single Family ResidenceResidential
$430,821$418 / 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 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $257,600 on Dec 19, 2018

21 MARSHALL AVE

BATH, ME 04530
3
Beds
1
Baths
1,030 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.
0.84 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.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$431K
$391K low$471K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$257,600 · Dec 19, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,996 (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.$310,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$86,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$223,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$276,500

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.Conventional
CountySAGADAHOC
Lot (acres)The size of the land the home sits on, from county records.0.84
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
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(3)

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 · 1.2 mi
M
Bath Middle SchoolD
Middle · Grades 6–8 · 1.7 mi
E
Dike-Newell School
Elementary · Grades PK–2 · 1.8 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 Marshall 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.

  • Costs more per square foot than 80% of homes in Bath 04530
  • Smaller than 84% of homes in Bath 04530
  • Has a bigger lot than 65% of homes in Bath 04530
  • Older than 65% 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
$203K$1.3M

This home is worth more than 46% 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$430,821
CheaperTypical $450,517Pricier

Pricier than 46% of homes nearby

Price per ft²$418
CheaperTypical $301Pricier

Pricier than 80% of homes nearby

Living area1,030 ft²
SmallerTypical 1,540 ft²Bigger

Bigger than 16% of homes nearby

Lot size0.84 ac
SmallerTypical 0.31 acBigger

Bigger than 65% of homes nearby

Year built1958
OlderTypical 1940Newer

Newer than 61% of homes nearby

How 21 Marshall Ave ranks against every home in each area.
MeasureThis homeBath 04530Sagadahoc County
Estimated valuepricier than$430,82146% of homes45% of homes
Price per ft²pricier than$41880% of homes76% of homes
Living areabigger than1,030 ft²16% of homes24% of homes
Lot sizebigger than0.84 ac65% of homes38% of homes
Year builtnewer than195861% of homes35% of homes

About 21 Marshall Ave

How much is 21 Marshall Ave, Bath, ME worth?

The TopHap Estimate for 21 Marshall Ave, Bath, ME is $430,821 as of Oct 21, 2026. The likely range is $390,767 to $470,875. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Marshall Ave, Bath, ME last sell?

21 Marshall Ave, Bath, ME last sold on Dec 19, 2018 for $257,600, according to the county's recorded deed.

How big is 21 Marshall Ave, Bath, ME?

21 Marshall Ave, Bath, ME has 3 bedrooms, 1 bathrooms, 1,030 square feet of living space and a 0.84-acre lot.

When was 21 Marshall Ave, Bath, ME built?

21 Marshall Ave, Bath, ME was built in 1958, making it 68 years old. It is a conventional home. The building has 1 story.

What schools serve 21 Marshall Ave, Bath, ME?

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

How does 21 Marshall Ave, Bath, ME compare to other homes in Bath 04530?

Among the 4,392 homes in Bath 04530, it is worth more than 46% of them ($430,821 against a typical $450,517), its price per square foot is higher than 80% of them ($418 against a typical $301), it is bigger than 16% of them (1,030 ft² against a typical 1,540 ft²), its lot is bigger than 65% of them (0.84 ac against a typical 0.31 ac) and it is newer than 61% of them (1958 against a typical 1940). Measured against all of Sagadahoc County, it is worth more than 45% 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 Marshall Ave, Bath, ME?

The 2025 property tax bill for 21 Marshall Ave, Bath, ME was $4,996. The county assessed it at $310,300.

More homes on Marshall Ave

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Assigned schools

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