90 Blydenburg Ave

Off Market

90 Blydenburg Ave

Smithtown NY 11787

2200 sq. ft.

16553 sq. ft.

Duplex

Last sold for $820,000

Derek Greene, last sold this property on 31 October 2025 after 86 days on market.

Overview

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

Features

5 bedrooms

3 bathrooms

2 carspaces

2 garage spaces

2200 sq. ft. floor area

16553 sq. ft. lot size

Duplex

Estimated Value

We need at least 3 similar 5 bedroom duplexes sold in Smithtown over the last 12 months.

Property history for 90 Blydenburg Ave

2025

Sold

$820,000

31 Oct 2025 by Derek Greene, of Greene Realty Group

2023

Sold

$700,000

12 Jul 2023 by Marianne Koke, of Daniel Gale Sothebys Intl Rlty

2018

Rented

Undisclosed

05 Jul 2018 by Daniel Gale Sothebys Intl Rlty

Happy sellers in Smithtown

We have insufficient information to provide an overview of customer satisfaction for Smithtown. Viewing the agent profiles, reviews and sales for Smithtown can provide insights for this location.

Local market activity for 5 bedroom duplexes in Smithtown

Sold

For Sale

Interested in selling?

People are reaching out to these agents in Smithtown for a market analysis.

Kate Works

at Compass Greater NY LLC

(59 reviews)

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Lori Sheehan

at Douglas Elliman Real Estate

(118 reviews)

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Jonathan Guercio

at Signature Premier Properties

(8 reviews)

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Janet Elliott

at Realty Connect USA L I Inc

(4 reviews)

Get a market analysis

Nearby agents

Compare and contact these top performing agents who’ve delivered exception customer service for their clients in Smithtown

Kate Works

Kate Works is an award winning recommended agent for Smithtown. They have 4 local sales and collected 2 local reviews across the last 12 months.

5 (59 reviews)
2 Reviews in Smithtown
4 Sales in Smithtown

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Lori Sheehan

Sellers who recommend Lori Sheehan have praised them for being local expert, clear communication, responsive, supportive, honest, reliable, and proactive