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Single Family ResidenceResidential
$769,717$891 / 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 69How 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

40 DEEP WATER LN

SOUTH CHATHAM, MA 02659
3
Beds
1
Baths
864 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.
0.52 ac
Lot SizeThe size of the land the home sits on, from county records.
1966
Year BuiltThe year the home was originally built, according to county records.
1
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

$770K
$534K low$1M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,449 (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.$417,700 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$247,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$170,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$722,760

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.105 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.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Ranch
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.1985
Lot (acres)The size of the land the home sits on, from county records.0.52
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.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

H
Monomoy Regional High SchoolB-
High · Grades 8–12 · 2.5 mi
M
Monomoy Regional Middle SchoolB
Middle · Grades 5–7 · 2.7 mi
E
Chatham Elementary SchoolB+
Elementary · Grades PK–4 · 3.0 mi

District: Monomoy Regional School District

Neighborhood · ZIP 02659These 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.137
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 100.40

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.49%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.30%
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.1,265
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.546 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$86,669
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$112,388
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

40 Deep Water Ln 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 81% of homes in South Chatham 02659
  • Costs more per square foot than 89% of homes in Barnstable County
  • Smaller than 91% of homes in South Chatham 02659
  • Has a bigger lot than 79% of homes in South Chatham 02659
  • Older than 69% of homes in Barnstable County

What homes are worth in South Chatham 02659

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

This home
$516K$2.8M

This home is worth more than 19% of homes in South Chatham 02659.

How it measures up in South Chatham 02659

The dot is this home. The mark in the middle is the typical home in South Chatham 02659.

Estimated value$769,717
CheaperTypical $1,025,932Pricier

Pricier than 19% of homes nearby

Price per ft²$891
CheaperTypical $697Pricier

Pricier than 79% of homes nearby

Living area864 ft²
SmallerTypical 1,565 ft²Bigger

Bigger than 9% of homes nearby

Lot size0.52 ac
SmallerTypical 0.35 acBigger

Bigger than 79% of homes nearby

Year built1966
OlderTypical 1976Newer

Newer than 39% of homes nearby

How 40 Deep Water Ln ranks against every home in each area.
MeasureThis homeSouth Chatham 02659Barnstable County
Estimated valuepricier than$769,71719% of homes52% of homes
Price per ft²pricier than$89179% of homes89% of homes
Living areabigger than864 ft²9% of homes10% of homes
Lot sizebigger than0.52 ac79% of homes64% of homes
Year builtnewer than196639% of homes31% of homes

About 40 Deep Water Ln

How much is 40 Deep Water Ln, South Chatham, MA worth?

The TopHap Estimate for 40 Deep Water Ln, South Chatham, MA is $769,717 as of Sep 24, 2026. The likely range is $533,576 to $1,005,858. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 40 Deep Water Ln, South Chatham, MA last sell?

40 Deep Water Ln, South Chatham, MA last sold on May 19, 2016, according to the county's recorded deed.

How big is 40 Deep Water Ln, South Chatham, MA?

40 Deep Water Ln, South Chatham, MA has 3 bedrooms, 1 bathrooms, 864 square feet of living space and a 0.52-acre lot.

When was 40 Deep Water Ln, South Chatham, MA built?

40 Deep Water Ln, South Chatham, MA was built in 1966, making it 60 years old. It is a ranch home. The building has 1 story.

What schools serve 40 Deep Water Ln, South Chatham, MA?

40 Deep Water Ln, South Chatham, MA is assigned to Monomoy Regional High School (high), rated B-; Monomoy Regional Middle School (middle), rated B; Chatham Elementary School (elementary), rated B+. All sit in Monomoy Regional School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 40 Deep Water Ln, South Chatham, MA compare to other homes in South Chatham 02659?

Among the 1,124 homes in South Chatham 02659, it is worth more than 19% of them ($769,717 against a typical $1,025,932), its price per square foot is higher than 79% of them ($891 against a typical $697), it is bigger than 9% of them (864 ft² against a typical 1,565 ft²), its lot is bigger than 79% of them (0.52 ac against a typical 0.35 ac) and it is newer than 39% of them (1966 against a typical 1976). Measured against all of Barnstable County, it is worth more than 52% 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 40 Deep Water Ln, South Chatham, MA?

The 2025 property tax bill for 40 Deep Water Ln, South Chatham, MA was $1,449. The county assessed it at $417,700.

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