Suffolk County  »  11788  »  Opal CT  »  21 Opal CT

21 Opal Court, Hauppauge, NY 11788 - Property report

Also known as: 21 Opal CT

Property image for 21 Opal Court, Hauppauge, NY 11788
static Mapbox map

Property type

One Family Year-Round Residence (210)

Year built

1969

Acreage

0.25

General information

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Access up-to-date information from property owner names to sales history, deeds, tax info, mortgages, development data, planimetric maps and more.

Address
Primary address
21 Opal Court
ZIP code
11788
County
Suffolk
Village (SWIS code)
473489
Parcel ID
156-2-27

Owner

Find out who owns 21 Opal Court, Hauppauge, NY 11788. Uncover corporate and individual owners with a free account.

Tax
Tax year
2025-2026
Current property tax
$6,203
Building
Property type
One Family Year-Round Residence (210)
Building sq. ft.
1,289
Buildings on lot
1
Stories
1
Year built
1969
AC
No
Bedrooms
4
Bathrooms
2
Kitchens
1
Exterior wall
Wood
Building style
Ranch
Basement
Partial
Heating type
Hot water/steam
Heating fuel
Gas
Lot
Acreage
0.25
Road type
Improved
Site desirability
Typical

Area overview

Walk score
53 /100.  Somewhat Walkable
Transit score
0 /100.  Minimal Transit
Bike score
60 /100.  Bikeable
School district
472806
Neighborhood type
Suburban
Neighborhood rating
Average

View more such as transportation, nearby schools and risk designations.

Ownership

Ownership information for 21 Opal Court, Hauppauge, NY

Property owner name
Registered owner
Source
Deed
Owner contact information
Phone number
Owner address
Documents

Sales history for 21 Opal Court, Hauppauge, NY 11788

No recently recorded sales for this property.

More about Suffolk County property records.

Title documents

Date Type Amount Party 1 Party 2
03/12/2020 - R
01/15/2020 - D		 Deed
(Life estate deed)		 XXXX XXXXXX XXXX XXXXXX
05/05/2014 - D
05/05/2014 - R		 Deed
(Life estate deed)
06/08/2010 - R
05/15/2010 - D		 Deed
(Life estate deed)

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 21 Opal Court, Hauppauge, NY

Property tax data includes tax amount, market value and assessed value, exemptions, abatements and assessment history.

Current property tax
Tax year
2025-2026
Current property tax
$6,203
Base tax
$7,369
Recent tax assessments
Market value
$453,489
Assessed value
$3,900

More about Suffolk County property taxes

Assessment history

See the assessment and property tax history, including the evolution of the total tax rate and corresponding property tax amount.

Tax year Market value Assessed value Tax rate Property tax Y-o-Y change
2025-2026 $453,489 $3,900 1889.403 $7,369 +8.95%
2024-2025 $453,489 $3,900 1734.252 $6,764 +20.45%
2023-2024 $448,276 $3,900 1439.841 $5,615 -3.94%
2022-2023 $557,143 $3,900 1498.925 $5,846 -13.57%
2021-2022 $348,215 $3,900 1734.273 $6,764 +0.70%
2020-2021 $339,130 $3,900 1722.291 $6,717 -25.92%
2019-2020 $336,207 $3,900 2325.023 $9,068 +39.49%
2018-2019 $317,073 $3,900 1666.77 $6,500 +3.98%
2017-2018 $297,710 $3,900 1602.909 $6,251 +0.53%
2016-2017 $295,455 $3,900 1594.535 $6,219 -5.20%
Permits

Permit information for 21 Opal Court, Hauppauge, NY

Issued date Permit number Permit type Sub type Valuation Finaled date Status
01/16/2026

*Most recent permit on record for this property.

Neighborhood

Smithtown residential market stats

Access a detailed real estate market overview of Smithtown so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in Smithtown and compare it to other neighborhoods in Suffolk.

Median sale price

$735,000

2.8% Y-o-Y

Median price/sq. ft.

$448

16.4% Y-o-Y

Suffolk county median sale price

$677,000

5.9% Y-o-Y

Risk

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FEMA flood zones

FEMA flood zones
X

Transportation

Daily traffic map
View daily traffic map

Access the detailed traffic volume map for 21 Opal Court, Hauppauge, NY 11788 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
Ivy League School NR Private PK-8 253 0.29
Ivy League School NR Private PK-8 253 0.29
Ivy League School NR Private PK-8 224 0.29
Ivy League School NR Private PK-8 224 0.29
Forest Brook Elementary School 5 Public PK, K-5 369 0.78
Forest Brook Elementary School 5 Public PK, K-5 369 0.78
Mount Pleasant Elementary School 6 Public K-5 492 0.92
Bretton Woods Elementary School 7 Public PK, K-5 512 1.01
Bretton Woods Elementary School 7 Public PK, K-5 512 1.01
Smithtown Christian School NR Private PK, K-12 529 1.66
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Hauppauge Middle School 6 Public 6-8 748 0.16
Ivy League School NR Private PK-8 253 0.29
Ivy League School NR Private PK-8 224 0.29
Gersh Academy NR Private 6-12 0 0.99
Smithtown Christian School NR Private PK, K-12 529 1.66
Developmental Disabilities Institute NR Private 222 1.90
Ralph Reed School 3 Public 7-8 1,149 1.98
Great Hollow Middle School 7 Public 6-8 828 2.31
Accompsett Middle School 7 Public 6-8 532 3.31
Nesaquake Middle School 7 Public 6-8 473 3.36
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Hauppauge High School 9 Public 9-12 1,079 0.33
Gersh Academy NR Private 6-12 0 0.99
Smithtown Christian School NR Private PK, K-12 529 1.66
Developmental Disabilities Institute NR Private 222 1.90
Central Islip Senior High School 3 Public 9-12 2,576 2.03
Cleary School For The Deaf NR Private PK-12 79 3.22
Smithtown High School West 10 Public 9-12 1,270 3.39
Smithtown High School East 10 Public 9-12 1,475 3.46
Sappo School NR Private K-12 67 4.00
Connetquot High School 8 Public 9-12 1,757 4.40

Data provided by GreatSchools.org © 2026. All rights reserved.

Neighbors for 21 Opal Court, Hauppauge, NY

2 Opal CT, Hauppauge 82 Redan Dr, Smithtown 17 Opal CT, Hauppauge 74 Redan Dr, Smithtown 80 Redan Dr, Smithtown 217 Brooksite Dr, Smithtown 10 Opal CT, Hauppauge 14 Opal CT, Hauppauge 76 Redan Dr, Smithtown 12 Opal CT, Hauppauge 211 Brooksite Dr, Smithtown 525 Smithtown Byp, Hauppauge 231 Brooksite Dr, Smithtown 19 Opal CT, Hauppauge 15 Opal CT, Hauppauge 78 Redan Dr, Smithtown 23 Opal CT, Hauppauge 230 Brooksite Dr, Smithtown 8 Opal CT, Hauppauge 6 Opal CT, Hauppauge

Nearby ZIP codes for 21 Opal Court, Hauppauge, NY

11706, Suffolk County, NY 11716, Suffolk County, NY 11717, Suffolk County, NY 11718, Suffolk County, NY 11722, Suffolk County, NY 11725, Suffolk County, NY 11730, Suffolk County, NY 11731, Suffolk County, NY 11739, Suffolk County, NY 11749, Suffolk County, NY 11751, Suffolk County, NY 11752, Suffolk County, NY 11754, Suffolk County, NY 11755, Suffolk County, NY 11767, Suffolk County, NY 11769, Suffolk County, NY 11779, Suffolk County, NY 11780, Suffolk County, NY 11787, Suffolk County, NY 11790, Suffolk County, NY

Frequently asked questions

What is the year built for 21 Opal Court, Hauppauge, NY 11788?

The development at 21 Opal Court, Hauppauge, NY 11788 was built in 1969.

What is the total square footage of 21 Opal Court, Hauppauge, NY 11788?

21 Opal Court, Hauppauge, NY 11788 has a total of 1,289 square feet.

What is the assessed value of 21 Opal Court, Hauppauge, NY 11788?

21 Opal Court, Hauppauge, NY 11788 is currently assessed at $3,900.

What are the property taxes for 21 Opal Court, Hauppauge, NY 11788?

The property taxes for 21 Opal Court, Hauppauge, NY 11788 total $7,368.

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