$820,000
SOLD OCT 31, 2025

90 Blydenburg Ave Smithtown, NY 11787

5 Beds
3 Baths
2,200 Sq Ft
16,553 Sq Ft Lot

Recently Sold

$373 Per Sq Ft

5% Below List Price

66 Days on Market

Highlights

  • Property is near public transit, schools, and shops
  • Wood Flooring
  • Ceiling Fan
  • Smithtown Elementary School Rated A-
  • Forced Air Heating System
  • Baseboard Heating

About This Home

As of October 2025

Legal Two-Family Home in Prime Smithtown Location! This well-maintained, legal two-family home by C/O is perfect for investors or owner-occupants seeking rental income. Each unit features separate electric and gas meters for convenience and efficiency. Key Features: • Attached Two-Car Garage with interior access to the first-floor unit • Private Fenced Backyard—ideal for entertaining or relaxing • Common Entry Foyer with separate doors for each unit, ensuring privacy •. Two gas furnaces and two hot water heaters in great condition • Driveway spaces set for each unit First Floor Unit – 3 Bedrooms, 2 Full Bathrooms: •. This unit is vacant • Large living room with fireplace • Spacious bedroom off the kitchen with en-suite full bath and backyard access • Two other generously sized bedrooms •. Two car garage and private fenced in backyard • Full unfinished basement for storage and laundry Upstairs Unit – 2 Bedrooms, 1 Bathroom: • Freshly painted with new laminate flooring • Renovated kitchen with new cabinetry, countertops, and dishwasher • Formal dining area and large living room • Currently occupied with reliable tenants always paying on time at $2,700/month with a lease good through 12/31/2025 Location Highlights: • Walking distance to Smithtown Village and LIRR • Situated in a top-rated school district

Last Agent to Sell the Property

Derek Greene

Greene Realty Group Brokerage Phone: 860-560-1006 License #10371200613 Listed on: 08/05/2025

Last Buyer's Agent

Non Non Member-MLS

Non-Member MLS

Property Details

Home Type

  • Multi-Family

Est. Annual Taxes

  • $16,280

Year Built

  • Built in 1952

Lot Details

  • 0.38 Acre Lot
  • Back and Front Yard Fenced

Parking

  • 2 Car Garage

Home Design

  • Duplex
  • Vinyl Siding

Interior Spaces

  • Ceiling Fan
  • Living Room with Fireplace

Flooring

  • Wood
  • Laminate

Bedrooms and Bathrooms

  • 5 Bedrooms
  • 3 Full Bathrooms

Unfinished Basement

  • Walk-Out Basement
  • Basement Fills Entire Space Under The House
  • Laundry in Basement
  • Basement Storage

Location

  • Property is near public transit, schools, and shops

Schools

  • Smithtown Elementary School
  • Accompsett Middle School
  • Smithtown High School-West

Utilities

  • Cooling System Mounted To A Wall/Window
  • Forced Air Heating System
  • Baseboard Heating
  • Heating System Uses Natural Gas
  • Natural Gas Connected
  • Cesspool
  • Cable TV Available

Community Details

  • 2 Units

Listing and Financial Details

  • Assessor Parcel Number 0800-078-00-02-00-002-000

Property Details

Home Type

Multi-Family

Est. Annual Taxes

$16,280

Year Built

Built in 1952

Lot Details

0.38 Acres

Parking

2

Listing Details

  • Property Type: Residential Income
  • Property SubType: Duplex
  • Year Built: 1952
  • Attribution Contact: 860-560-1006
  • Carport Y N: No
  • CurrentPrice: 820000.00
  • MlsMajorChangeType: Sold
  • ListPrice_By_OriginalListPrice: 0.98941
  • ListPrice_By_LotSizeAcres: 2236578.9474
  • CurrentPrice_By_BuildingAreaTotal: 372.72727
  • Special Features: None
  • Property Sub Type: MultiFamily

Interior Features

  • Interior Amenities: Ceiling Fan(s)
  • Fireplaces: 1
  • Flooring: Laminate, Wood
  • Fireplace Features: Living Room
  • Full Bathrooms: 3
  • Basement: Bilco Door(s), Full, Storage Space, Unfinished, Walk-Out Access
  • Total Bedrooms: 5
  • Fireplace: Yes
  • Basement YN: Yes

Exterior Features

  • Construction Materials: Vinyl Siding
  • Fencing: Back Yard, Front Yard
  • Waterfront: No

Garage/Parking

  • Garage Spaces: 2
  • Garage: Yes

Utilities

  • Cooling: Wall/Window Unit(s)
  • Heating: Baseboard, Forced Air, Natural Gas
  • Laundry Features: In Basement
  • Sewer: Cesspool
  • Utilities: Cable Connected, Electricity Connected, Natural Gas Connected, Trash Collection Public, Water Connected
  • Water Source: Public

Condo/Co-op/Association

  • Senior Community: No

Schools

  • Middle School: Accompsett Middle School

Lot Info

  • Lot Size Acres: 0.38
  • Lot Size Sq Ft: 16553
  • Lot Features: Back Yard, Front Yard, Near Public Transit, Near School, Near Shops
  • Parcel Number: 0800-078-00-02-00-002-000
  • Property Attached: No

Multi Family

  • Units Total: 2

Tax Info

  • Tax Annual Amount: 16280.2
  • Tax Year: 2025

MLS Schools

  • Elementary School: Smithtown Elementary School
  • High School: Smithtown High School-West
  • Middle School District: Smithtown

Ownership History

Date Name Owned For Owner Type

Purchase Details

Listed on
Mar 8, 2023
Closed on
Jul 12, 2023
Sold by
Sposato Doris
Bought by
Addis Jon and Coy Ivette R
Seller's Agent
Marianne Koke
Daniel Gale Sothebys Intl Rlty
Buyer's Agent
Marianne Koke
Daniel Gale Sothebys Intl Rlty
List Price
$699,000
Sold Price
$700,000
Premium/Discount to List
$1,000
0.14%
Views
237
Current Estimated Value
$852,083

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Estimated Appreciation
$152,083
Avg. Annual Appreciation
7.39%
Original Mortgage
$490,000
Outstanding Balance
$479,768
Interest Rate
7.5%
Mortgage Type
Purchase Money Mortgage
Estimated Equity
$367,586

Purchase Details

Closed on
Mar 10, 2002
Sold by
Zeman Arthur and Zeman Jennifer
Bought by
Sposato Teresa and Sposato Doris

Purchase Details

Closed on
Dec 2, 1997
Sold by
Puttick Ltd Partnership #2
Bought by
Zeman Arthur and Zeman Jennifer
Source: Public Records
Create a Home Valuation Report for This Property
The Home Valuation Report is an in-depth analysis detailing your home's value as well as a comparison with similar homes in the area

Home Values in the Area

Source: Public Records

Average Home Value in this Area





Source: Public Records

Purchase History

Date Type Sale Price Title Company
Deed $700,000 Title Resources Guarantee Co
Deed $700,000 Title Resources Guarantee Co
Bargain Sale Deed $340,000 Fidelity National Title Ins
Bargain Sale Deed $340,000 Fidelity National Title Ins
Deed $215,000 Chicago Title Insurance Co
Deed $215,000 Chicago Title Insurance Co
Source: Public Records

Mortgage History

Date Status Loan Amount Loan Type
Open $490,000 Purchase Money Mortgage
Closed $490,000 Purchase Money Mortgage
Source: Public Records

Property History

Date Event Price List to Sale Price per Sq Ft Prior Sale
10/31/2025 10/31/25 Sold $820,000 -3.5% $373 / Sq Ft
10/10/2025 10/10/25 Pending -- -- --
09/16/2025 09/16/25 Price Changed $849,900 +0.1% $386 / Sq Ft
09/03/2025 09/03/25 Price Changed $849,000 -1.2% $386 / Sq Ft
08/05/2025 08/05/25 For Sale $859,000 0.0% $390 / Sq Ft
12/09/2024 12/09/24 Off Market $2,100 -- --
07/12/2023 07/12/23 Sold $700,000 0.0% $303 / Sq Ft View Prior Sale
03/23/2023 03/23/23 Pending -- -- --
03/22/2023 03/22/23 Off Market $700,000 -- --
03/08/2023 03/08/23 For Sale $699,000 0.0% $302 / Sq Ft
07/05/2018 07/05/18 Rented $2,100 -4.5% --
05/08/2018 05/08/18 For Rent $2,200 -- --
Source: OneKey® MLS

Tax History

Year Tax Paid Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. Land Improvement
2024 $15,874 $5,985 $250 $5,735
2023 $15,874 $5,985 $250 $5,735
2022 $13,855 $5,985 $250 $5,735
2021 $13,855 $5,985 $250 $5,735
2020 $15,033 $5,985 $250 $5,735
2019 $15,033 $0 $0 $0
2018 -- $5,985 $250 $5,735
2017 $14,083 $5,985 $250 $5,735
2016 $13,912 $5,985 $250 $5,735
2015 -- $5,985 $250 $5,735
2014 -- $5,985 $250 $5,735
Source: Public Records

Agents Affiliated with this Home

  • Section Image
  • Section Image
See All Agents

Map

Source: OneKey® MLS

MLS Number: 897897

OneKey® MLS

APN: 473489 78.-2-2

Your Personal Tour Guide

Ask me questions while you tour the home.