Nassau County, NY Triplexes for sale

Updated: Jul 30

Mixed-Use Property With Retail Space

322 Jericho Turnpike, Floral Park, NY 11001

$1,100,000

0.05 AC lot

First‑floor commercial space plus two second‑floor 2‑bedroom apartments
20' x 100' lot with Jericho Turnpike frontage in Floral Park
B‑2 Business zoning and Flood Zone X designation
All three units separately metered for gas and electric
Each unit has its own boiler and hot water heater

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Updated: Aug 20

Three-Unit Colonial Property

343 Roslyn Avenue, Carle Place, NY 11514

$1,688,000

0.11 AC lot

Three‑unit setup across two residences with 3,860 sq. ft. of living area
Primary residence includes two separate 2‑bedroom units
Second residence offers 4 bedrooms and a computer room/office
50X100 lot with driveway parking at 343 Roslyn Avenue
Approximately 0.5 miles from the LIRR station

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Triplex Bordering State Park

458-460 N Corona Avenue, Valley Stream, NY 11580

$811,000

0.27 AC lot

The parcel adjoins Valley Stream State Park and includes a driveway for vehicle parking.

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Legal Three-Family Triplex

443 Babylon Tpke, Freeport, NY 11520

$909,900

2,992 sqft 0.52 AC lot

Legal three-family configuration with substantial outdoor space and flexible occupancy potential.

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Oceanfront Triplex Property

658 W Broadway, Long Beach, NY 11561

$1,649,000

0.09 AC lot

The property has multifamily zoning, public water and sewer, and on-street parking.

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Oceanfront Triplex with Fireplaces

23 Troy Avenue, East Atlantic Beach, NY 11561

$3,650,000

0.04 AC lot

Three-family coastal property with beach access, private outdoor spaces, and separate residential living areas.

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Triplex with Separate Utilities

280 Pine Street, Freeport, NY 11520

$995,000

0.30 AC lot

Vacant three-family property with distinct utility metering and public water and sewer service.

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Three-Unit Multifamily Property

343 Roslyn Ave, Carle Place, NY 11514

$1,688,000

3,860 sqft 0.11 AC lot

Two residences share one parcel with driveway parking and varied unit layouts.

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Oceanfront Multifamily Triplex

660 W Broadway, Long Beach, NY 11561

$1,649,000

Frame construction with multifamily zoning, beach frontage, public utilities, and off-street parking in Long Beach.

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Oceanfront Triplex Property

664 W Broadway, Long Beach, NY 11561

$1,649,000

Multifamily zoning, public water, and public sewer serve the property.

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Updated 3-Family Residential Income

143 Searingtown Road, Albertson, NY 11507

$1,748,000

Well-maintained three-family home with a newer roof, updated systems, central air, and an extra separately deeded lot.

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Triplex with Fireplace

390 Atlantic Avenue, East Rockaway, NY 11518

$1,175,000

Vacant three-unit property with separate living spaces, outdoor area, and parking improvements.

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Oceanfront Triplex in East Atlantic Beach

23 Troy Ave, East Atlantic Beach, NY 11561

$3,650,000

Rare oceanfront three-family home on a double lot.

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Nassau County, NY Triplexes Market Trends and Statistics

Explore 13 triplexes for sale in Nassau County, NY, showcased through 13 active listings on our real estate platform. These investment opportunities span a total of 6,852 square feet of properties for sale, with an estimated market value of $22,361,900.

Sale prices for three-family homes in Nassau County, NY start at $811,000, averaging $1,720,146, and reaching up to $3,650,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

Featured Nassau County Real Estate Agencies

Realmo connects you with licensed Nassau County CRE brokers providing property specifications, local market pricing, and commercial transaction underwriting support.

Charles Rutenberg Realty, Inc.

255 Executive Drive, Suite 104 Hicksville, NY 11803

Phone: 15165757500

www.crrli.com

Laffey Real Estate

55 Northern Blvd., East Hills, NY 11548

Phone: 18882896902

www.laffey.com

Laffey International Realt Estate

193 Hillside Avenue Williston Park, NY 11596

Phone: 18007741462