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Single Family ResidenceResidential
$1,456,944$1,121 / 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

21 SCHOOL ST

CHATHAM, MA 02633
3
Beds
1
Baths
1,300 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.
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
1930
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$1.5M
$1.2M low$1.7M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,553 (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.$1,312,200 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,043,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$268,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$2,337,285

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
CountyBARNSTABLE
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1969
Lot (acres)The size of the land the home sits on, from county records.0.19
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
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(4)

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
Chatham Elementary SchoolA
Elementary · Grades PK–4 · 0.9 mi
M
Monomoy Regional Middle SchoolB+
Middle · Grades 5–7 · 1.6 mi
H
Monomoy Regional High SchoolC
High · Grades 8–12 · 6.1 mi

District: Monomoy Regional School District

Neighborhood · ZIP 02633These 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.118
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.94
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.43

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.50%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.5%
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.4,131
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.248 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$106,531
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$156,535
Average tempThe average temperature here across a full year.50°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 School 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 86% of homes in Barnstable County
  • Costs more per square foot than 94% of homes in Barnstable County
  • Smaller than 76% of homes in Chatham 02633
  • Has a smaller lot than 94% of homes in Chatham 02633
  • Older than 92% of homes in Barnstable County

What homes are worth in Chatham 02633

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

This home
$453K$6.9M

This home is worth more than 55% of homes in Chatham 02633.

How it measures up in Chatham 02633

The dot is this home. The mark in the middle is the typical home in Chatham 02633.

Estimated value$1,456,944
CheaperTypical $1,363,437Pricier

Pricier than 55% of homes nearby

Price per ft²$1121
CheaperTypical $771Pricier

Pricier than 79% of homes nearby

Living area1,300 ft²
SmallerTypical 1,868 ft²Bigger

Bigger than 24% of homes nearby

Lot size0.19 ac
SmallerTypical 0.47 acBigger

Bigger than 6% of homes nearby

Year built1930
OlderTypical 1973Newer

Newer than 10% of homes nearby

How 21 School St ranks against every home in each area.
MeasureThis homeChatham 02633Barnstable County
Estimated valuepricier than$1,456,94455% of homes86% of homes
Price per ft²pricier than$112179% of homes94% of homes
Living areabigger than1,300 ft²24% of homes34% of homes
Lot sizebigger than0.19 ac6% of homes12% of homes
Year builtnewer than193010% of homes8% of homes

About 21 School St

How much is 21 School St, Chatham, MA worth?

The TopHap Estimate for 21 School St, Chatham, MA is $1,456,944 as of Aug 30, 2026. The likely range is $1,172,801 to $1,741,087. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 School St, Chatham, MA last sell?

21 School St, Chatham, MA last sold on Nov 8, 2013, according to the county's recorded deed.

How big is 21 School St, Chatham, MA?

21 School St, Chatham, MA has 3 bedrooms, 1 bathrooms, 1,300 square feet of living space and a 0.19-acre lot.

When was 21 School St, Chatham, MA built?

21 School St, Chatham, MA was built in 1930, making it 96 years old. It is a cape cod home. The building has 2 stories.

What schools serve 21 School St, Chatham, MA?

21 School St, Chatham, MA is assigned to Chatham Elementary School (elementary), rated A; Monomoy Regional Middle School (middle), rated B+; Monomoy Regional High School (high), rated C. All sit in Monomoy Regional School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 School St, Chatham, MA compare to other homes in Chatham 02633?

Among the 4,873 homes in Chatham 02633, it is worth more than 55% of them ($1,456,944 against a typical $1,363,437), its price per square foot is higher than 79% of them ($1121 against a typical $771), it is bigger than 24% of them (1,300 ft² against a typical 1,868 ft²), its lot is bigger than 6% of them (0.19 ac against a typical 0.47 ac) and it is newer than 10% of them (1930 against a typical 1973). Measured against all of Barnstable County, it is worth more than 86% 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 School St, Chatham, MA?

The 2025 property tax bill for 21 School St, Chatham, MA was $4,553. The county assessed it at $1,312,200.

More homes on School St

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