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Single Family ResidenceResidential
$8,768,728
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 90How 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 $1,150,000 on Jul 1, 1997

11 N BAY LA

NY
0
Baths
1.75 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$8.8M
$7.9M low$9.6M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,150,000 · Jul 1, 1997

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$24,863 (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.$23,450 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$4,350
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$19,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$7,328,125

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.31 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.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
CountySUFFOLK
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

H
East Hampton High SchoolB-
High · Grades 9–12 · 4.5 mi
M
East Hampton Middle SchoolA-
Middle · Grades 6–8 · 5.1 mi
E
John M. Marshall Elementary SchoolC
Elementary · Grades PK–5 · 5.1 mi

District: East Hampton Union Free 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

11 N Bay La 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.

  • Among the most valuable homes in Northwest Harbor
  • Has a bigger lot than 97% of homes in Suffolk County

How it measures up in Northwest Harbor

The dot is this home. The mark in the middle is the typical home in Northwest Harbor.

Estimated value$8,768,728
CheaperTypical $2,152,962Pricier

Pricier than almost all homes nearby

Lot size1.75 ac
SmallerTypical 0.92 acBigger

Bigger than 78% of homes nearby

How 11 N Bay La ranks against every home in each area.
MeasureThis homeNorthwest HarborSuffolk County
Estimated valuepricier than$8,768,728almost all homesalmost all homes
Lot sizebigger than1.75 ac78% of homes97% of homes

About 11 N Bay La

How much is 11 N Bay La, , NY worth?

The TopHap Estimate for 11 N Bay La, , NY is $8,768,728 as of Sep 24, 2026. The likely range is $7,896,384 to $9,641,072. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 11 N Bay La, , NY last sell?

11 N Bay La, , NY last sold on Jul 1, 1997 for $1,150,000, according to the county's recorded deed.

What schools serve 11 N Bay La, , NY?

11 N Bay La, , NY is assigned to East Hampton High School (high), rated B-; East Hampton Middle School (middle), rated A-; John M. Marshall Elementary School (elementary), rated C. All sit in East Hampton Union Free School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 11 N Bay La, , NY compare to other homes in Northwest Harbor?

Among the 3,512 homes in Northwest Harbor, it is worth more than almost all of them ($8,768,728 against a typical $2,152,962) and its lot is bigger than 78% of them (1.75 ac against a typical 0.92 ac). Measured against all of Suffolk County, it is worth more than almost all 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 11 N Bay La, , NY?

The 2024 property tax bill for 11 N Bay La, , NY was $24,863. The county assessed it at $23,450.

Closest homes

Assigned schools

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