Suffolk County  »  11787  »  Karl Ave  »  18 Karl Ave

18 Karl Avenue, Smithtown, NY 11787 - Property report

Also known as: 18 Karl Ave

Property image for 18 Karl Avenue, Smithtown, NY 11787
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Property type

One Family Year-Round Residence (210)

Year built

1922

Acreage

0.22

Sale price

$355,000

General information

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Address
Primary address
18 Karl Avenue
ZIP code
11787
County
Suffolk
Village (SWIS code)
473489
Parcel ID
77-4-27

Owner

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Sales
Sale date
11/19/2018
Sale price
$355,000
Arm's length
Tax
Tax year
2025-2026
Current property tax
$5,747
Zoning & Use
Zoning
Central Business (CB)
Building
Property type
One Family Year-Round Residence (210)
Building sq. ft.
1,217
Buildings on lot
1
Stories
1
Year built
1922
AC
No
Bedrooms
2
Bathrooms
1
Kitchens
1
Exterior wall
Wood
Building style
Ranch
Basement
Full
Fireplaces
1
Heating type
Hot water/steam
Heating fuel
Oil
Lot
Acreage
0.22
Road type
Improved
Site desirability
Typical

Area overview

Walk score
76 /100.  Very Walkable
Transit score
0 /100.  Minimal Transit
Bike score
51 /100.  Bikeable
School district
473401
Neighborhood type
Suburban
Neighborhood rating
Average

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

Ownership

Ownership information for 18 Karl Avenue, Smithtown, NY

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

Sales history for 18 Karl Avenue, Smithtown, NY 11787

Sale date Sale price Buyer name Seller name
11/19/2018 $355,000 XX XXXX XXXXXX XXX XXXXX XXXXXXX
02/14/2006 $420,000 XXXXX XXXXXXX XXXX XXXXXXXXX
06/22/2005 $375,000 XXXXXXXXX XXXX X XXXXX XXXXXX X

*Most recent sales on record for this property.

More about Suffolk County property records.

Title documents

Date Type Amount Party 1 Party 2
12/13/2018 - R
12/07/2018 - D		 Discharge XXXXXXXXXX XXXXXXXX XXXXXXXXXXXXX XXXXX
12/06/2018 - R
11/19/2018 - D		 Deed
(Bargain and Sale)		 XXXXX XXXXXXX XX XXXX XXXXXX XXX
12/06/2018 - R Discharge XXXXX XXXXXXX
02/16/2006 - R
02/14/2006 - D		 Deed
(Bargain & Sale Deed)		 XXXX XXXXXXXXX XXXXX XXXXXXX
07/18/2005 - R
06/22/2005 - D		 Deed XXXXX XXXXXX X XXXXXXXXX XXXX X
03/14/1995 - R
03/06/1995 - D		 Deed XXXXXXX XXXXXX XXXXX XXXXXXX X

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 18 Karl Avenue, Smithtown, 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
$5,747
Base tax
$5,410
Recent tax assessments
Market value
$262,500
Assessed value
$2,100

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 $262,500 $2,100 2576.282 $5,410 +4.31%
2024-2025 $244,186 $2,100 2469.867 $5,187 +16.07%
2023-2024 $241,380 $2,100 2127.961 $4,469 +2.50%
2022-2023 $300,000 $2,100 2076.086 $4,360 -11.46%
2021-2022 $187,500 $2,100 2344.675 $4,924 +1.58%
2020-2021 $182,609 $2,100 2308.127 $4,847 -0.14%
2019-2020 $181,034 $2,100 2311.354 $4,854 +2.77%
2018-2019 $170,732 $2,100 2248.977 $4,723 +3.52%
2017-2018 $160,305 $2,100 2172.584 $4,562 +3.92%
2016-2017 $159,091 $2,100 2090.572 $4,390 -2.40%
Permits

Permit information for 18 Karl Avenue, Smithtown, NY

No recently recorded permits 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 18 Karl Avenue, Smithtown, NY 11787 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)
Smithtown Elementary School 6 Public K-5 514 0.25
Smithtown Christian School NR Private PK, K-12 529 0.81
Smithtown Christian School NR Private PK, K-12 529 0.81
St Patrick Elementary School NR Private PK, K-8 463 0.94
St Patrick Elementary School NR Private PK, K-8 463 0.94
Dogwood Elementary School 6 Public K-5 352 1.01
Developmental Disabilities Institute NR Private 222 1.17
Mount Pleasant Elementary School 6 Public K-5 492 1.31
Forest Brook Elementary School 5 Public PK, K-5 369 1.66
Forest Brook Elementary School 5 Public PK, K-5 369 1.66
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Smithtown Christian School NR Private PK, K-12 529 0.81
St Patrick Elementary School NR Private PK, K-8 463 0.94
Developmental Disabilities Institute NR Private 222 1.17
Nesaquake Middle School 7 Public 6-8 473 1.51
Ivy League School NR Private PK-8 253 1.81
Ivy League School NR Private PK-8 224 1.81
Great Hollow Middle School 7 Public 6-8 828 2.01
Hauppauge Middle School 6 Public 6-8 748 2.14
Accompsett Middle School 7 Public 6-8 532 2.35
William T Rogers Middle School 7 Public 6-8 636 3.73
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Smithtown Christian School NR Private PK, K-12 529 0.81
Developmental Disabilities Institute NR Private 222 1.17
Smithtown High School East 10 Public 9-12 1,475 1.87
Hauppauge High School 9 Public 9-12 1,079 2.31
Smithtown High School West 10 Public 9-12 1,270 2.49
Gersh Academy NR Private 6-12 0 2.79
Kings Park High School 9 Public 9-12 857 3.02
Cleary School For The Deaf NR Private PK-12 79 3.41
Sappo School NR Private K-12 67 3.82
Central Islip Senior High School 3 Public 9-12 2,576 4.01

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

Neighbors for 18 Karl Avenue, Smithtown, NY

12 Bridle Path Rd, Smithtown 77-87 W Main St, Smithtown 71 Main St, Smithtown 14 Bridle Path Rd, Smithtown 18 Bridle Path Rd, Smithtown 37-39 W Main St, Smithtown 35 W Main St, Smithtown 75 Main St, Smithtown 67 W Main St, Smithtown 23-25 Redwood Ln, Smithtown 21 Redwood Ln, Smithtown 14 Karl Ave, Smithtown 29 Manor Rd, Smithtown 135 W Main St, Smithtown 9 Roundabout Rd, Smithtown 1 Roundabout Rd, Smithtown 12 Karl Ave, Smithtown 15 Roundabout Rd, Smithtown 35 Manor Rd, Smithtown 145 W Main St, Smithtown

Nearby ZIP codes for 18 Karl Avenue, Smithtown, NY

11716, Suffolk County, NY 11717, Suffolk County, NY 11720, Suffolk County, NY 11722, Suffolk County, NY 11725, Suffolk County, NY 11731, Suffolk County, NY 11733, 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 11768, Suffolk County, NY 11779, Suffolk County, NY 11780, Suffolk County, NY 11788, Suffolk County, NY 11790, Suffolk County, NY

Frequently asked questions

What is the year built for 18 Karl Avenue, Smithtown, NY 11787?

The development at 18 Karl Avenue, Smithtown, NY 11787 was built in 1922.

What is the total square footage of 18 Karl Avenue, Smithtown, NY 11787?

18 Karl Avenue, Smithtown, NY 11787 has a total of 1,217 square feet.

When was 18 Karl Avenue, Smithtown, NY 11787 last sold and what was the sale price?

18 Karl Avenue, Smithtown, NY 11787 was last sold on 11/19/2018 for $355,000.

What is the assessed value of 18 Karl Avenue, Smithtown, NY 11787?

18 Karl Avenue, Smithtown, NY 11787 is currently assessed at $2,100.

What are the property taxes for 18 Karl Avenue, Smithtown, NY 11787?

The property taxes for 18 Karl Avenue, Smithtown, NY 11787 total $5,410.

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