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Single Family ResidenceResidential
$467,988$665 / 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 92How 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 $250,000 on Jul 31, 2005

21 THE DAM TRL

NY
2
Beds
1
Baths
704 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.
1985
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$468K
$430K low$506K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$250,000 · Jul 31, 2005

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$182,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$138,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$43,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$288,888

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.54 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.80%
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.Mobile Home
CountySUFFOLK
Lot (acres)The size of the land the home sits on, from county records.0.52
HeatingThe type of heating system in the home.Hot Water
PoolWhether the property has a pool, and what kind, such as in-ground.No
ViewThe type of view from the property, or another feature of the site that affects value.Waterfront
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 352 ft²

Transaction History(1)

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
Phillips Avenue SchoolF
Elementary · Grades PK–4 · 1.2 mi
M
Riverhead Middle SchoolC+
Middle · Grades 6–8 · 2.6 mi
H
Riverhead Senior High SchoolC-
High · Grades 9–12 · 2.8 mi

District: Riverhead Central School District

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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 The Dam Trl 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 93% of homes in Suffolk County
  • Costs more per square foot than 97% of homes in Flanders
  • Smaller than 98% of homes in Suffolk County
  • Has a bigger lot than 79% of homes in Flanders
  • Older than 96% of homes in Flanders

How it measures up in Flanders

The dot is this home. The mark in the middle is the typical home in Flanders.

Estimated value$467,988
CheaperTypical $490,012Pricier

Pricier than 43% of homes nearby

Price per ft²$665
CheaperTypical $405Pricier

Pricier than 97% of homes nearby

Living area704 ft²
SmallerTypical 1,200 ft²Bigger

Bigger than 7% of homes nearby

Lot size0.52 ac
SmallerTypical 0.28 acBigger

Bigger than 79% of homes nearby

Year built1985
OlderTypical 1995Newer

Newer than 4% of homes nearby

How 21 The Dam Trl ranks against every home in each area.
MeasureThis homeFlandersSuffolk County
Estimated valuepricier than$467,98843% of homes7% of homes
Price per ft²pricier than$66597% of homes87% of homes
Living areabigger than704 ft²7% of homes2% of homes
Lot sizebigger than0.52 ac79% of homes77% of homes
Year builtnewer than19854% of homes68% of homes

About 21 The Dam Trl

How much is 21 The Dam Trl, , NY worth?

The TopHap Estimate for 21 The Dam Trl, , NY is $467,988 as of Sep 24, 2026. The likely range is $430,064 to $505,912. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 The Dam Trl, , NY last sell?

21 The Dam Trl, , NY last sold on Jul 31, 2005 for $250,000, according to the county's recorded deed.

How big is 21 The Dam Trl, , NY?

21 The Dam Trl, , NY has 2 bedrooms, 1 bathrooms, 704 square feet of living space and a 0.52-acre lot.

When was 21 The Dam Trl, , NY built?

21 The Dam Trl, , NY was built in 1985, making it 41 years old. It is a mobile home home. The building has 2 stories.

What schools serve 21 The Dam Trl, , NY?

21 The Dam Trl, , NY is assigned to Phillips Avenue School (elementary), rated F; Riverhead Middle School (middle), rated C+; Riverhead Senior High School (high), rated C-. All sit in Riverhead Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 The Dam Trl, , NY compare to other homes in Flanders?

Among the 1,625 homes in Flanders, it is worth more than 43% of them ($467,988 against a typical $490,012), its price per square foot is higher than 97% of them ($665 against a typical $405), it is bigger than 7% of them (704 ft² against a typical 1,200 ft²), its lot is bigger than 79% of them (0.52 ac against a typical 0.28 ac) and it is newer than 4% of them (1985 against a typical 1995). Measured against all of Suffolk County, it is worth more than 7% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

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