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CondominiumResidential
$411,877$348 / 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 97How 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 $155,000 on Nov 18, 2002

21 S PORTER ST

HAVERHILL, MA 01835
2
Beds
1.5
Baths
1,183 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.
0.24 ac
Lot SizeThe size of the land the home sits on, from county records.
1988
Year BuiltThe year the home was originally built, according to county records.
2
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

$412K
$398K low$425K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$155,000 · Nov 18, 2002

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,155 (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.$294,600 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$294,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$331,835

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
CountyESSEX
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(6)

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
Bradford Elementary SchoolC-
Elementary · Grades KG–4 · 0.4 mi
M
Caleb Dustin Hunking SchoolC
Middle · Grades KG–8 · 1.3 mi
H
Haverhill High SchoolD
High · Grades 9–12 · 3.0 mi

District: Haverhill School District

Neighborhood · ZIP 01835These 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.77
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 100.95

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.14,967
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,689 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$100,108
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$112,552
Average tempThe average temperature here across a full year.49°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.58%

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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 S 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 less than 91% of homes in Essex County
  • Costs less per square foot than 72% of homes in Essex County
  • Smaller than 88% of homes in Haverhill 01835
  • Newer than 81% of homes in Essex County

What homes are worth in Haverhill 01835

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

This home
$307K$1M

This home is worth more than 10% of homes in Haverhill 01835.

How it measures up in Haverhill 01835

The dot is this home. The mark in the middle is the typical home in Haverhill 01835.

Estimated value$411,877
CheaperTypical $570,453Pricier

Pricier than 10% of homes nearby

Price per ft²$348
CheaperTypical $338Pricier

Pricier than 57% of homes nearby

Living area1,183 ft²
SmallerTypical 1,730 ft²Bigger

Bigger than 12% of homes nearby

Lot size0.24 ac
SmallerTypical 0.25 acBigger

Bigger than 48% of homes nearby

Year built1988
OlderTypical 1977Newer

Newer than 75% of homes nearby

How 21 S Porter St ranks against every home in each area.
MeasureThis homeHaverhill 01835Essex County
Estimated valuepricier than$411,87710% of homes9% of homes
Price per ft²pricier than$34857% of homes28% of homes
Living areabigger than1,183 ft²12% of homes18% of homes
Lot sizebigger than0.24 ac48% of homes47% of homes
Year builtnewer than198875% of homes81% of homes

About 21 S Porter St

How much is 21 S Porter St, Haverhill, MA worth?

The TopHap Estimate for 21 S Porter St, Haverhill, MA is $411,877 as of Sep 24, 2026. The likely range is $398,496 to $425,258. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 S Porter St, Haverhill, MA last sell?

21 S Porter St, Haverhill, MA last sold on Nov 18, 2002 for $155,000, according to the county's recorded deed.

How big is 21 S Porter St, Haverhill, MA?

21 S Porter St, Haverhill, MA has 2 bedrooms, 1.5 bathrooms and 1,183 square feet of living space.

When was 21 S Porter St, Haverhill, MA built?

21 S Porter St, Haverhill, MA was built in 1988, making it 38 years old. The building has 2 stories.

What schools serve 21 S Porter St, Haverhill, MA?

21 S Porter St, Haverhill, MA is assigned to Bradford Elementary School (elementary), rated C-; Caleb Dustin Hunking School (middle), rated C; Haverhill High School (high), rated D. All sit in Haverhill School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 S Porter St, Haverhill, MA compare to other homes in Haverhill 01835?

Among the 4,509 homes in Haverhill 01835, it is worth more than 10% of them ($411,877 against a typical $570,453), its price per square foot is higher than 57% of them ($348 against a typical $338), it is bigger than 12% of them (1,183 ft² against a typical 1,730 ft²), its lot is bigger than 48% of them (0.24 ac against a typical 0.25 ac) and it is newer than 75% of them (1988 against a typical 1977). Measured against all of Essex County, it is worth more than 9% 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 S Porter St, Haverhill, MA?

The 2025 property tax bill for 21 S Porter St, Haverhill, MA was $3,155. The county assessed it at $294,600.

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