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Single Family ResidenceResidential
$882,451$468 / 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 96How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $228,780 on Jul 5, 2000

21 BAY RUN

JAMESPORT, NY 11947
3
Beds
2.5
Baths
1,885 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.
1 ac
Lot SizeThe size of the land the home sits on, from county records.
2000
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$882K
$846K low$919K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$228,780 · Jul 5, 2000

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,900 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$57,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$12,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$44,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$699,755

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.7 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.Colonial
CountySUFFOLK
HeatingThe type of heating system in the home.Hot Water
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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.Canal
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 210 ft²

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Aquebogue Elementary SchoolD+
Elementary · Grades PK–5 · 3.1 mi
M
Riverhead Middle SchoolD
Middle · Grades 6–8 · 5.7 mi
H
Riverhead Senior High SchoolC-
High · Grades 9–12 · 5.8 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 Bay Run 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 74% of homes in Suffolk County
  • Costs less per square foot than 66% of homes in ZIP 11947
  • Has a bigger lot than 92% of homes in Suffolk County
  • Newer than 89% of homes in ZIP 11947

What homes are worth in ZIP 11947

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

This home
$426K$2.1M

This home is worth more than 53% of homes in ZIP 11947.

How it measures up in ZIP 11947

The dot is this home. The mark in the middle is the typical home in ZIP 11947.

Estimated value$882,451
CheaperTypical $871,410Pricier

Pricier than 53% of homes nearby

Price per ft²$468
CheaperTypical $520Pricier

Pricier than 34% of homes nearby

Living area1,885 ft²
SmallerTypical 1,661 ft²Bigger

Bigger than 58% of homes nearby

Lot size1 ac
SmallerTypical 0.38 acBigger

Bigger than 90% of homes nearby

Year built2000
OlderTypical 1960Newer

Newer than 89% of homes nearby

How 21 Bay Run ranks against every home in each area.
MeasureThis homeNorthvilleZIP 11947Suffolk County
Estimated valuepricier than$882,45133% of homes53% of homes74% of homes
Price per ft²pricier than$46848% of homes34% of homes65% of homes
Living areabigger than1,885 ft²49% of homes58% of homes61% of homes
Lot sizebigger than1 ac78% of homes90% of homes92% of homes
Year builtnewer than200052% of homes89% of homes88% of homes

About 21 Bay Run

How much is 21 Bay Run, Jamesport, NY worth?

The TopHap Estimate for 21 Bay Run, Jamesport, NY is $882,451 as of Jul 14, 2026. The likely range is $845,634 to $919,268. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Bay Run, Jamesport, NY last sell?

21 Bay Run, Jamesport, NY last sold on Jul 5, 2000 for $228,780, according to the county's recorded deed.

How big is 21 Bay Run, Jamesport, NY?

21 Bay Run, Jamesport, NY has 3 bedrooms, 2.5 bathrooms and 1,885 square feet of living space.

When was 21 Bay Run, Jamesport, NY built?

21 Bay Run, Jamesport, NY was built in 2000, making it 26 years old. It is a colonial home. The building has 1 story.

What schools serve 21 Bay Run, Jamesport, NY?

21 Bay Run, Jamesport, NY is assigned to Aquebogue Elementary School (elementary), rated D+; Riverhead Middle School (middle), rated D; 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 Bay Run, Jamesport, NY compare to other homes in ZIP 11947?

Among the 255 homes in ZIP 11947, it is worth more than 53% of them ($882,451 against a typical $871,410), its price per square foot is higher than 34% of them ($468 against a typical $520), it is bigger than 58% of them (1,885 ft² against a typical 1,661 ft²), its lot is bigger than 90% of them (1 ac against a typical 0.38 ac) and it is newer than 89% of them (2000 against a typical 1960). Measured against all of Suffolk County, it is worth more than 74% 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 Bay Run, Jamesport, NY?

The 2024 property tax bill for 21 Bay Run, Jamesport, NY was $9,900. The county assessed it at $57,100.

More homes on Bay Run

Closest homes

More homes in Jamesport 11947

Assigned schools

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