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Single Family ResidenceResidential
$450,848$224 / 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 80How 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

821 ROUTE 135

MONMOUTH, ME 04259
3
Beds
1.5
Baths
2,016 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.
8.78 ac
Lot SizeThe size of the land the home sits on, from county records.
1850
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

$451K
$360K low$542K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,388 (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.$384,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$73,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$311,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$216,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$469,680

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
CountyKENNEBEC
Lot (acres)The size of the land the home sits on, from county records.8.78
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, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.In-Ground Pool

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
Monmouth Memorial SchoolB
Elementary · Grades PK–8 · 3.2 mi
H
Monmouth AcademyB-
High · Grades 9–12 · 3.2 mi

District: Regional School Unit 02

Neighborhood · ZIP 04259These 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.121
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.76
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.85

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.79%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.3,426
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.102 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$73,246
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$88,357
Average tempThe average temperature here across a full year.45°F
Annual precipHow much rain and melted snow falls here in a typical year.45 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

821 Route 135 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 80% of homes in Kennebec County
  • Costs less per square foot than 79% of homes in Monmouth 04259
  • Bigger than 81% of homes in Monmouth 04259
  • Has a bigger lot than 89% of homes in Kennebec County
  • Older than 96% of homes in Kennebec County

What homes are worth in Monmouth 04259

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

This home
$202K$911K

This home is worth more than 59% of homes in Monmouth 04259.

How it measures up in Monmouth 04259

The dot is this home. The mark in the middle is the typical home in Monmouth 04259.

Estimated value$450,848
CheaperTypical $419,813Pricier

Pricier than 59% of homes nearby

Price per ft²$224
CheaperTypical $301Pricier

Pricier than 21% of homes nearby

Living area2,016 ft²
SmallerTypical 1,344 ft²Bigger

Bigger than 81% of homes nearby

Lot size8.78 ac
SmallerTypical 1.55 acBigger

Bigger than 87% of homes nearby

Year built1850
OlderTypical 1977Newer

Newer than 6% of homes nearby

How 821 Route 135 ranks against every home in each area.
MeasureThis homeMonmouth 04259Kennebec County
Estimated valuepricier than$450,84859% of homes80% of homes
Price per ft²pricier than$22421% of homes37% of homes
Living areabigger than2,016 ft²81% of homes81% of homes
Lot sizebigger than8.78 ac87% of homes89% of homes
Year builtnewer than18506% of homes4% of homes

About 821 Route 135

How much is 821 Route 135, Monmouth, ME worth?

The TopHap Estimate for 821 Route 135, Monmouth, ME is $450,848 as of Sep 24, 2026. The likely range is $360,097 to $541,599. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 821 Route 135, Monmouth, ME last sell?

821 Route 135, Monmouth, ME last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 821 Route 135, Monmouth, ME?

821 Route 135, Monmouth, ME has 3 bedrooms, 1.5 bathrooms, 2,016 square feet of living space and a 8.78-acre lot.

When was 821 Route 135, Monmouth, ME built?

821 Route 135, Monmouth, ME was built in 1850, making it 176 years old. It is a cape cod home. The building has 2 stories.

What schools serve 821 Route 135, Monmouth, ME?

821 Route 135, Monmouth, ME is assigned to Monmouth Memorial School (elementary), rated B; Monmouth Academy (high), rated B-. All sit in Regional School Unit 02. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 821 Route 135, Monmouth, ME compare to other homes in Monmouth 04259?

Among the 1,683 homes in Monmouth 04259, it is worth more than 59% of them ($450,848 against a typical $419,813), its price per square foot is higher than 21% of them ($224 against a typical $301), it is bigger than 81% of them (2,016 ft² against a typical 1,344 ft²), its lot is bigger than 87% of them (8.78 ac against a typical 1.55 ac) and it is newer than 6% of them (1850 against a typical 1977). Measured against all of Kennebec County, it is worth more than 80% 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 821 Route 135, Monmouth, ME?

The 2025 property tax bill for 821 Route 135, Monmouth, ME was $4,388. The county assessed it at $384,900.

More homes on Route 135

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More homes in Monmouth 04259

Assigned schools

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