2. 17 Mark Dr Smithtown NY
17 Mark Dr Smithtown NY

Report Results for

17 Mark Dr Smithtown, NY

17 Mark Dr Smithtown, NY 11787 was built in 1962 and last sold for $327,500. The property has a lot size of 26,136 Sq Ft lot and is listed as a Single Family. The property is currently not for sale. Current estimates place the value near 965,000, reflecting a -9% change over the past year, with 3 beds, 3 baths, and approximately 2,649 sq ft of living space. If you are looking to buy or rent a property, use USPhoneBook's property database to avoid rental scams, understand tax liabilities, and get a sense of the property's value over time. You can also check out the neighborhood section and see nearby homes, last sold for prices, tax records and more.
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Public Facts

$327,500
Last sold Aug 1, 2025
3
Beds
3
Baths
2,649
Sqft
Off Market
$965,000 estimated value
Built in 1962
$364/sqft
26,136 lot sqft

Property characteristics

Property type
Residential
Zoning type
Single Family
APN
0800-100.00-03.00-023.000
Parking
2
Heating
Hot Water
Fireplaces
1
Stories
1

Property History

Over the last 12 months, the sales price of 17 Mark Dr Smithtown, NY 11787 has decreased by -9%.

Price History

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Year Price Price/Sq Ft
2026 $ 854,000 -9 % $ 322
2025 $ 947,000 5 % $ 357
2024 $ 895,000 -5 % $ 338
2023 $ 943,000 19 % $ 356
2022 $ 787,000 12 % $ 297
2021 $ 700,000 ---- $ 264

Tax History

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Year Taxes Assesments
2025 ---- $ 7,855
2024 $ 20,142 0 %
2023 $ 20,142 ---- $ 7,855
2022 ---- $ 7,855
2021 ---- $ 7,855
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Owner

George Koster George H Koster , Age 67

Lives at 17 Mark Dr, Smithtown, NY 11787-3335
Relatives: Kim Koster, George Koster, Joan Koster, Melissa Koster, Christine Shepard, Deneen Bair, Dennis Callahan, Jane Callahan
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People Living at 17 Mark Dr Smithtown, NY

George Koster George H Koster , Age 67

Lives at 17 Mark Dr, Smithtown, NY 11787-3335 Smithtown NY 11787 17 Mark Dr
Prior addresses: 3 W Point Dr, East Northport, NY 11731-2516 East Northport NY 11731 3 W Point Dr
Relatives: Kim Koster, George Koster, Joan Koster, Melissa Koster, Christine Shepard, Deneen Bair, Dennis Callahan, Jane Callahan
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Kim Koster Kim A Koster , Age 60

Lives at 17 Mark Dr, Smithtown, NY 11787-3335 Smithtown NY 11787 17 Mark Dr
Prior addresses: 2453 State Route 26, Constableville, NY 13325-2105 Constableville NY 13325 2453 State Route 26 275 Northlake Blvd, Okatie, SC 29909-6503 Okatie SC 29909 275 Northlake Blvd 275 Northlake Blvd, Bluffton, SC 29909-6503 Bluffton SC 29909 275 Northlake Blvd
Relatives: George Koster, Christine Shepard, Deneen Bair, Dennis Callahan, Jane Callahan, Joan Koster, Kim Callahan, Melissa Koster
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Melissa Koster Melissa N Koster , Age 31

Lives at 17 Mark Dr, Smithtown, NY 11787-3335 Smithtown NY 11787 17 Mark Dr
Prior addresses: 106 Wilson DR, Port Jefferson, NY 11777-2045 Port Jefferson NY 11777 106 Wilson DR
Relatives: George Koster, Joan Koster, Kim Koster, Melissa Koster, Christine Shepard, Deneen Bair, Dennis Callahan, Jane Callahan
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Melissa Koster Melissa N Koster , Age 31

Lives at 106 Wilson Dr, Port Jefferson, NY 11777-2045 Port Jefferson NY 11777 106 Wilson Dr
Prior addresses: 17 Mark Dr, Smithtown, NY 11787-3335 Smithtown NY 11787 17 Mark Dr 106 Wilson Dr, Prt Jefferson, NY 11777-2045 Prt Jefferson NY 11777 106 Wilson Dr
Relatives: George Koster, Joan Koster, Kim Koster, Mark Brunner, Melissa Koster, Christine Shepard, Deneen Bair, Dennis Callahan
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Nicole Troje Nicole H Troje , Age 55

Lives at 12 Quincy Ln, Smithtown, NY 11787-5519 Smithtown NY 11787 12 Quincy Ln
Prior addresses: 17 Mark Dr, Smithtown, NY 11787-3335 Smithtown NY 11787 17 Mark Dr
Relatives: Adolf Troje, Beate Troje, Christine Mcnelis, Amanda Mcnelis, Patrick Mcnelis, Aidan Mcnelis, Anne Mccormack
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Joan Koster Joan Arden Koster , Age 94

Lives at 17 Mark Dr, Smithtown, NY 11787-3335 Smithtown NY 11787 17 Mark Dr
Prior addresses: 3 W Point Dr, East Northport, NY 11731-2516 East Northport NY 11731 3 W Point Dr 10 Cheshire Pl, East Northport, NY 11731-2503 East Northport NY 11731 10 Cheshire Pl 15 Montauk Ave, East Northport, NY 11731-1032 East Northport NY 11731 15 Montauk Ave
Relatives: George Koster, Kim Koster, Melissa Koster, Roger Koster, Christine Shepard, Deneen Bair, Dennis Callahan
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Veronica Neville Veronica J Neville , Age 90

Lives at 2380 Hobart Rd, Southold, NY 11971-1565 Southold NY 11971 2380 Hobart Rd
Prior addresses: 17 Mark Dr, Smithtown, NY 11787-3335 Smithtown NY 11787 17 Mark Dr 150 Lake Pointe Ct, Middle Island, NY 11953-2071 Middle Island NY 11953 150 Lake Pointe Ct
Relatives: John Neville, Elizabeth Neville, Laura Blazer, Lisa Laxton, Abby Frey, Alexandra Blazer, Catherine Donovan, Cheryl Kranik
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Karen Titolo Karen Titolo , Age 73

Lives at 5391 Blue Crab Cir, Apt N5, Bokeelia, FL 33922-3362 Bokeelia FL 33922 5391 Blue Crab Cir, Apt N5
Prior addresses: 539 Curtin LN, Sonoma, CA 95476-6448 Sonoma CA 95476 539 Curtin LN 17450 Medillin CT, Punta Gorda, FL 33955-4608 Punta Gorda FL 33955 17450 Medillin CT
Relatives: Frances Schuck, Jeffrey Schuck, Michele Titolo, Theodore Schuck, Thomas Titolo, Bruce Schuck, Gloria Clerici, John Titolo
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Richard Bongiorno Richard M Bongiorno , Age 59

Lives at 401 River Rd, Saint James, NY 11780-4201 Saint James NY 11780 401 River Rd
Prior addresses: 9572 Trevi Ct, Unit 5045, Naples, FL 34113-8834 Naples FL 34113 9572 Trevi Ct, Unit 5045 293 1st Ave, Saint James, NY 11780-2310 Saint James NY 11780 293 1st Ave
Relatives: Lorraine Bongiorno, Ava Bongiorno, Donna Bongiorno, Donna Sciortino, Gianna Bongiorno, Isabella Bongiorno, Joseph Bongiorno, Lena Bongiorno, Loretta Dirazzo
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Thomas Titolo Thomas S Titolo , Age 64

Lives at 65 Carmen Hill Rd, # 0, Brookfield, CT 06804-1004 Brookfield CT 06804 65 Carmen Hill Rd, # 0
Prior addresses: 69 Orchard St, Apt 3C, Oyster Bay, NY 11771-2234 Oyster Bay NY 11771 69 Orchard St, Apt 3C 17 Mark Dr, Smithtown, NY 11787-3335 Smithtown NY 11787 17 Mark Dr 292 Spring Rd, Huntington, NY 11743-3633 Huntington NY 11743 292 Spring Rd
Relatives: John Titolo, Karen Titolo, Michele Titolo, Michelle Timberlake, Nicholas Titolo, Rose Titolo, Anthony Te, August Braun
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Neighbors

15 Mark Dr
Smithtown, NY
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19 Mark Dr
Smithtown, NY
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21 Mark Dr
Smithtown, NY
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14 Mark Dr
Smithtown, NY
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FAQs

Who lives at 17 Mark Dr, Smithtown, NY 11787?
According to our records, the current person living in 17 Mark Dr is George Koster.
Is this property currently for sale?
The property is not for sale and last sold for $327,500 on Aug 1, 2025. Use USPhoneBook to review nearby listings or compare similar homes in the area.
What is the estimated value of this property?
The estimated value is $965,000, reflecting a -9% change over the past year. You can explore price history and tax records to see how the value has changed over time.
How big is this property?
It features approximately 2,649 sq ft of living space on a 26,136 sq ft lot, built in 1962 and classified as a Single Family.
What nearby properties can I compare this to?
Nearby homes include 15 Mark Dr, 19 Mark Dr, and 21 Mark Dr, each with its own property report to help compare size, value, and residents.