2. 311 Devon Ln Smithtown NY
311 Devon Ln Smithtown NY

Report Results for

311 Devon Ln Smithtown, NY

311 Devon Ln Smithtown, NY 11787 was built in 1959 and last sold for $827,000. The property has a lot size of 10,890 Sq Ft lot and is listed as a Single Family. The property is currently not for sale. Current estimates place the value near 878,000, reflecting a 24% change over the past year, with 4 beds, 2 baths, and approximately 1,632 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

$827,000
Last sold Jan 22, 2026
4
Beds
2
Baths
1,632
Sqft
Off Market
$878,000 estimated value
Built in 1959
$538/sqft
10,890 lot sqft

Property characteristics

Property type
Residential
Zoning type
Single Family
APN
0800-129.00-02.00-020.000
Parking
2
Subdivision
Map Oak Wood Forest Section 7
Heating
Hot Water
Stories
2

Property History

Over the last 12 months, the sales price of 311 Devon Ln Smithtown, NY 11787 has increased by 24%.

Price History

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Year Price Price/Sq Ft
2026 $ 886,000 24 % $ 543
2025 $ 710,000 18 % $ 435
2024 $ 600,000 -10 % $ 368
2023 $ 670,000 15 % $ 411
2022 $ 581,000 10 % $ 356
2021 $ 527,000 ---- $ 323

Tax History

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Year Taxes Assesments
2025 ---- $ 5,400
2024 $ 13,313 ----
2023 $ 13,313 ---- $ 5,400
2022 ---- $ 5,400
2021 ---- $ 5,400
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Owner

Gary Cassiliano Gary G Cassiliano , Age 55

Lives at 90 Morningside Dr, Apt 4G, New York, NY 10027-7118
Relatives: Marina Cassiliano, Barbara Cassiliano, Catherina Cassiliano, Gregg Cassiliano, Guido Cassiliano, Guy Cassiliano, Jill Cassiliano, Kathleen Cassiliano
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People Living at 311 Devon Ln Smithtown, NY

Gary Cassiliano Gary G Cassiliano , Age 55

Lives at 90 Morningside Dr, Apt 4G, New York, NY 10027-7118 New York NY 10027 90 Morningside Dr, Apt 4G
Prior addresses: 311 Devon Ln, Smithtown, NY 11787-4506 Smithtown NY 11787 311 Devon Ln 1730 72nd St, Brooklyn, NY 11204-5242 Brooklyn NY 11204 1730 72nd St
Relatives: Marina Cassiliano, Barbara Cassiliano, Catherina Cassiliano, Gregg Cassiliano, Guido Cassiliano, Guy Cassiliano, Jill Cassiliano, Kathleen Cassiliano
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Jeanann Gillin Jeanann Gillin , Age 83

Lives at 23 Saddle Ct, Sinking Spring, PA 19608-9512 Sinking Spring PA 19608 23 Saddle Ct
Prior addresses: 311 Devon Ln, Smithtown, NY 11787-4506 Smithtown NY 11787 311 Devon Ln 449 Ziegler Rd, Leesport, PA 19533-9421 Leesport PA 19533 449 Ziegler Rd 23 Saddle Ct, Reading, PA 19608-9512 Reading PA 19608 23 Saddle Ct
Relatives: Gerald Gillin, Karen Carles, Patricia Gillin, Amandon Carles, Audrey Gillin, Elizabeth Kunkleman, Erin Gillin, Genevieve Carles, Natalie Gillin
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Monika Orlowski Monika K Orlowski , Age 48

Lives at 311 Devon Ln, Smithtown, NY 11787-4506 Smithtown NY 11787 311 Devon Ln
Prior addresses: 5 Looking Glass CT, Smithtown, NY 11787-1666 Smithtown NY 11787 5 Looking Glass CT 6060 Boardwalk Dr, Tobyhanna, PA 18466-3209 Tobyhanna PA 18466 6060 Boardwalk Dr 7608 69th Pl, Apt 3C, Glendale, NY 11385-7139 Glendale NY 11385 7608 69th Pl, Apt 3C
Relatives: Aneta Paduch, Iwona Brzezinski, Jozefa Kotapka, Monika Kotapka, Pawel Orlowski, Zbigniew Kotapka, Ava Brzezinski, Jorge Brzezinski
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Ruth Derosa Ruth R Derosa , Age 58

Lives at 311 Devon Ln, Smithtown, NY 11787-4506 Smithtown NY 11787 311 Devon Ln
Prior addresses: 5108 Brittany DR S, Apt 803, Saint Petersburg, FL 33715-1540 Saint Petersburg FL 33715 5108 Brittany DR S, Apt 803 1211 10th AVE N, Nashville, TN 37208-3324 Nashville TN 37208 1211 10th AVE N 5108 Brittany Dr S, Apt 803, St Petersburg, FL 33715-1540 St Petersburg FL 33715 5108 Brittany Dr S, Apt 803
Relatives: Robert Derosa, David Derosa, John Derosa, Patricia Frederiksen, Rand Frederiksen, Samantha Derosa, Adelaide Derosa
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David Derosa David A Derosa , Age 27

Lives at 11 Old Landers CT, Smithtown, NY 11787-1709 Smithtown NY 11787 11 Old Landers CT
Prior addresses: 311 Devon LN, Smithtown, NY 11787-4506 Smithtown NY 11787 311 Devon LN
Relatives: David Derosa, Jane Derosa, Jean Fisher, Matthew Derosa, Paul Derosa, Peter Derosa, Robert Derosa
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Robert Derosa Robert Julius Derosa , Age 59

Lives at 5108 Brittany Dr S, Apt 803, St Petersburg, FL 33715-1540 St Petersburg FL 33715 5108 Brittany Dr S, Apt 803
Prior addresses: 5108 Brittany DR S, Apt 803, Saint Petersburg, FL 33715-1540 Saint Petersburg FL 33715 5108 Brittany DR S, Apt 803 1211 10th AVE N, Nashville, TN 37208-3324 Nashville TN 37208 1211 10th AVE N
Relatives: Ruth Derosa, David Derosa, Grace Derosa, Robert Derosa, Samantha Derosa, Edmond Mutoli, Jane Derosa, Jean Derosa
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Samantha Derosa Samantha G Derosa , Age 29

Lives at 23 Miles Standish Dr, West Hartford, CT 06107-3642 West Hartford CT 06107 23 Miles Standish Dr
Prior addresses: 311 Devon Ln, Smithtown, NY 11787-4506 Smithtown NY 11787 311 Devon Ln 5108 Brittany Dr S, APT 803, St Petersburg, FL 33715-1540 St Petersburg FL 33715 5108 Brittany Dr S, APT 803
Relatives: David Derosa, Robert Derosa, Ruth Derosa, Grace Derosa, Jane Derosa, Jean Derosa, Jean Fisher
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David Derosa David A Derosa , Age 26

Lives at 1211 10th AVE N, Nashville, TN 37208-3324 Nashville TN 37208 1211 10th AVE N
Prior addresses: 311 Devon Ln, Smithtown, NY 11787-4506 Smithtown NY 11787 311 Devon Ln 5108 Brittany Dr S, APT 803, St Petersburg, FL 33715-1540 St Petersburg FL 33715 5108 Brittany Dr S, APT 803
Relatives: David Derosa, Robert Derosa, Ruth Derosa, Samantha Derosa, Grace Derosa, Jane Derosa, Jean Derosa, Jean Fisher
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Gerald Gillin Gerald H Gillin , Age 85

Lives at 23 Saddle Ct, Sinking Spring, PA 19608-9512 Sinking Spring PA 19608 23 Saddle Ct
Prior addresses: 311 Devon Ln, Smithtown, NY 11787-4506 Smithtown NY 11787 311 Devon Ln 23 Saddle Ct, Reading, PA 19608-9512 Reading PA 19608 23 Saddle Ct
Relatives: Jeanann Gillin, Karen Carles, Patricia Gillin, Amandon Carles, Audrey Gillin, Elizabeth Kunkleman, Erin Gillin, Genevieve Carles, Natalie Gillin
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Robert Derosa Robert J Derosa , Age 82

Lives at 100 N Summit Ave, Patchogue, NY 11772-2227 Patchogue NY 11772 100 N Summit Ave
Prior addresses: 1 S Summit Ave, Patchogue, NY 11772-3210 Patchogue NY 11772 1 S Summit Ave 600 20th St NE, Washington, DC 20002-4718 Washington DC 20002 600 20th St NE 190 Pine Neck Ave, East Patchogue, NY 11772-5758 East Patchogue NY 11772 190 Pine Neck Ave
Relatives: David Derosa, Grace Derosa, Jean Derosa, Mary Derosa, Matthew Derosa, Robert Derosa
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Neighbors

309 Devon Ln
Smithtown, NY
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315 Devon Ln
Smithtown, NY
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307 Devon Ln
Smithtown, NY
View Property Report
317 Devon Ln
Smithtown, NY
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FAQs

Who lives at 311 Devon Ln, Smithtown, NY 11787?
According to our records, the current person living in 311 Devon Ln is Gary Cassiliano.
Is this property currently for sale?
The property is not for sale and last sold for $827,000 on Jan 22, 2026. 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 $878,000, reflecting a 24% 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 1,632 sq ft of living space on a 10,890 sq ft lot, built in 1959 and classified as a Single Family.
What nearby properties can I compare this to?
Nearby homes include 309 Devon Ln, 315 Devon Ln, and 307 Devon Ln, each with its own property report to help compare size, value, and residents.