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CondominiumResidential
$278,969$260 / 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 89How 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 $268,500 on Nov 15, 2024

20 KNOX ST

LAWRENCE, MA 01841
Building report
2
Beds
1.5
Baths
1,075 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.
1987
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$279K
$247K low$311K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$268,500 · Nov 15, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,010 (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.$228,400 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$228,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$254,030

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.19 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.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyESSEX
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

Transaction History(5)

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
Parthum Elementary SchoolC
Elementary · Grades KG–5 · 0.7 mi
M
Parthum Middle SchoolB-
Middle · Grades 5–8 · 0.7 mi
H
Lawrence High SchoolF
High · Grades 9–12 · 2.2 mi

District: Lawrence School District

Neighborhood · ZIP 01841These 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.100
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.93

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.10%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.18%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.53,889
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.17,591 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$50,780
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$64,109
Average tempThe average temperature here across a full year.48°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.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

20 Knox 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 98% of homes in Essex County
  • Costs less per square foot than 95% of homes in Essex County
  • Smaller than 87% of homes in Essex County
  • Newer than 91% of homes in Lawrence 01841

What homes are worth in Lawrence 01841

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

This home
$200K$685K

This home is worth more than 10% of homes in Lawrence 01841.

How it measures up in Lawrence 01841

The dot is this home. The mark in the middle is the typical home in Lawrence 01841.

Estimated value$278,969
CheaperTypical $452,113Pricier

Pricier than 10% of homes nearby

Price per ft²$260
CheaperTypical $335Pricier

Pricier than 14% of homes nearby

Living area1,075 ft²
SmallerTypical 2,288 ft²Bigger

Bigger than 14% of homes nearby

Year built1987
OlderTypical 1915Newer

Newer than 91% of homes nearby

How 20 Knox St ranks against every home in each area.
MeasureThis homeLawrence 01841Essex County
Estimated valuepricier than$278,96910% of homes2% of homes
Price per ft²pricier than$26014% of homes5% of homes
Living areabigger than1,075 ft²14% of homes13% of homes
Year builtnewer than198791% of homes79% of homes

About 20 Knox St

How much is 20 Knox St, Lawrence, MA worth?

The TopHap Estimate for 20 Knox St, Lawrence, MA is $278,969 as of Sep 24, 2026. The likely range is $247,408 to $310,530. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20 Knox St, Lawrence, MA last sell?

20 Knox St, Lawrence, MA last sold on Nov 15, 2024 for $268,500, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 20 Knox St, Lawrence, MA?

20 Knox St, Lawrence, MA has 2 bedrooms, 1.5 bathrooms and 1,075 square feet of living space.

When was 20 Knox St, Lawrence, MA built?

20 Knox St, Lawrence, MA was built in 1987, making it 39 years old. It is a condo/apartment home. The building has 2 stories.

What schools serve 20 Knox St, Lawrence, MA?

20 Knox St, Lawrence, MA is assigned to Parthum Elementary School (elementary), rated C; Parthum Middle School (middle), rated B-; Lawrence High School (high), rated F. All sit in Lawrence School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20 Knox St, Lawrence, MA compare to other homes in Lawrence 01841?

Among the 6,375 homes in Lawrence 01841, it is worth more than 10% of them ($278,969 against a typical $452,113), its price per square foot is higher than 14% of them ($260 against a typical $335), it is bigger than 14% of them (1,075 ft² against a typical 2,288 ft²) and it is newer than 91% of them (1987 against a typical 1915). Measured against all of Essex County, it is worth more than 2% 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 20 Knox St, Lawrence, MA?

The 2025 property tax bill for 20 Knox St, Lawrence, MA was $2,010. The county assessed it at $228,400.

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Assigned schools

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