Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$635,288$241 / 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 Aug 30, 2026

140 PORTER ST

ROCKPORT, ME 04856
4
Beds
2.5
Baths
2,632 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.
5.96 ac
Lot SizeThe size of the land the home sits on, from county records.
1960
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$635K
$510K low$761K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$16,375 (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.$1,199,600 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$329,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$869,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,013,500

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.24 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.1 percent flood zone

Scores 0–100; higher = greater projected risk.

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
CountyKNOX
Lot (acres)The size of the land the home sits on, from county records.5.96
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
FireplaceWhether the home has a fireplace, and what kind.Yes
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.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

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

H
Camden Hills Regional High SchoolA
High · Grades 9–12 · 2.6 mi
E
Camden-Rockport Elementary SchoolA
Elementary · Grades PK–4 · 2.7 mi
M
Camden-Rockport Middle SchoolA
Middle · Grades 5–8 · 4.6 mi

District: School Administrative District 28

Neighborhood · ZIP 04856These 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.111
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.77
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.53

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.81%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.25%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.7%
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.3,784
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.158 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$82,890
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$102,265
Average tempThe average temperature here across a full year.45°F
Annual precipHow much rain and melted snow falls here in a typical year.50 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.50%

Owner Tools

Do you own this home?
Claim this home

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

140 Porter St 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 74% of homes in Knox County
  • Costs less per square foot than 82% of homes in Rockport 04856
  • Bigger than 86% of homes in Knox County
  • Has a bigger lot than 89% of homes in Rockport 04856
  • Older than 70% of homes in Rockport 04856

What homes are worth in Rockport 04856

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

This home
$191K$2.2M

This home is worth more than 52% of homes in Rockport 04856.

How it measures up in Rockport 04856

The dot is this home. The mark in the middle is the typical home in Rockport 04856.

Estimated value$635,288
CheaperTypical $604,207Pricier

Pricier than 52% of homes nearby

Price per ft²$241
CheaperTypical $333Pricier

Pricier than 18% of homes nearby

Living area2,632 ft²
SmallerTypical 1,820 ft²Bigger

Bigger than 80% of homes nearby

Lot size5.96 ac
SmallerTypical 1.4 acBigger

Bigger than 89% of homes nearby

Year built1960
OlderTypical 1982Newer

Newer than 30% of homes nearby

How 140 Porter St ranks against every home in each area.
MeasureThis homeRockport 04856Knox County
Estimated valuepricier than$635,28852% of homes74% of homes
Price per ft²pricier than$24118% of homes36% of homes
Living areabigger than2,632 ft²80% of homes86% of homes
Lot sizebigger than5.96 ac89% of homes85% of homes
Year builtnewer than196030% of homes40% of homes

About 140 Porter St

How much is 140 Porter St, Rockport, ME worth?

The TopHap Estimate for 140 Porter St, Rockport, ME is $635,288 as of Aug 30, 2026. The likely range is $509,606 to $760,970. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 140 Porter St, Rockport, ME last sell?

140 Porter St, Rockport, ME last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 140 Porter St, Rockport, ME?

140 Porter St, Rockport, ME has 4 bedrooms, 2.5 bathrooms, 2,632 square feet of living space and a 5.96-acre lot.

When was 140 Porter St, Rockport, ME built?

140 Porter St, Rockport, ME was built in 1960, making it 66 years old. It is a ranch home. The building has 1 story.

What schools serve 140 Porter St, Rockport, ME?

140 Porter St, Rockport, ME is assigned to Camden Hills Regional High School (high), rated A; Camden-Rockport Elementary School (elementary), rated A; Camden-Rockport Middle School (middle), rated A. All sit in School Administrative District 28. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 140 Porter St, Rockport, ME compare to other homes in Rockport 04856?

Among the 5,514 homes in Rockport 04856, it is worth more than 52% of them ($635,288 against a typical $604,207), its price per square foot is higher than 18% of them ($241 against a typical $333), it is bigger than 80% of them (2,632 ft² against a typical 1,820 ft²), its lot is bigger than 89% of them (5.96 ac against a typical 1.4 ac) and it is newer than 30% of them (1960 against a typical 1982). Measured against all of Knox County, it is worth more than 74% 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 140 Porter St, Rockport, ME?

The 2025 property tax bill for 140 Porter St, Rockport, ME was $16,375. The county assessed it at $1,199,600.

More homes on Porter St

Closest homes

More homes in Rockport 04856

Assigned schools

Explore the area

See this home in context

Open 140 Porter St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map