Building Details

Building Size 3,860 SF

Year Built 1926

Buildings 2

Units 3

Listed By: Michael Carillo · License #30CA0935602 Show Phone

Source: Elliman

Added: Aug 21 Changed: Sep 25 Last Checked: Oct 5 at 7:28PM

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Displayed information is deemed reliable but is not guaranteed and should be independently verified. All listing content including descriptions, pricing, images are the copyrighted material of Michael Carillo

Investment Insights

Based on property information with market context.

Located at 343 Roslyn Avenue in Carle Place, this triplex configuration places three residential units across two homes on a single 50-by-100-foot lot. The property provides 3,860 square feet of living space. The primary residence is arranged as two separate two-bedroom units, while the second residence contains four bedrooms along with a computer room or office.

Driveway parking serves the property, and the Long Island Rail Road station is approximately 0.5 miles away. Major highways and shopping are also nearby. Built in 1926, the property offers a multi-unit residential layout with distinct living arrangements within two structures.

Key Highlights

• Three‑unit layout distributed across 2 homes on 1 lot
• 3,860 sq. ft. of total living space
• Primary residence contains 2 distinct 2‑bedroom units

Financial Insights

Estimated NOI and Cap Rate

NOI / Yr

$73,538

Cap Rate

4.36%

Suggested Prices Based on Cap Rates

Cap Rate 5%

$1,470,760 $1.5M

Cap Rate 7%

$1,050,543 $1.1M

Cap Rate 9%

$817,089 $817.1K

Market Conditions

NOI Build-Up for 3,860 SF

Gross rent

$111.2K $28.80/SF

− Vacancy

−$6.1K −$1.58/SF

EGI

$105.1K $27.22/SF

− OpEx

−$31.5K −$8.16/SF

NOI

$73.5K $19.05/SF

Area

Nassau County, NY

Vacancy

5.50%

Lease Rate

$28.80 /SF/Yr

Expense Ratio

30.00%

Simulate Cap Rate and NOI

Suggested Prices Based on Cap Rates

Cap Rate 5%

$1,470,760

Cap Rate 7%

$1,050,543

Cap Rate 9%

$817,089

Alternative Uses

Best Use

Multifamily LT 5

$1.05M

$919.2K – $1.23M (±1% cap)

NOI $73,538 @ 7.0% cap · market cap 4.36%

Second Best

Apartment 5plus

$983.6K

$860.7K – $1.15M (±1% cap)

NOI $68,853 @ 7.0% cap · market cap 4.08%

Theoretical Best

Specialty Retail

$2.55M

$2.23M – $2.98M (±1% cap)

NOI $178,650 @ 7.0% cap · market cap 10.58%

Zoning and permitted uses should be independently verified with authorities.

Property Analytics

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Current Use

Triplexes

Suggested Use

Top Pick Daycare Center Storage Facility Catering Service (Bike/Boat/Book/etc) Store Florist Bed & Breakfast

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Lease Details

3

Residential units

Yes

Highway access

Location Intelligence

Trade Area within ½ mile

1,540

Businesses Nearby

Explore this area Business Placement

Demographics for 11514, NY

4,635

Population

1,758

Households

2.6

Avg Household Size

43

Median Age

50%

College-Educated

93%

High-School Grad

0.9 sq mi

ZIP Area

5,150

Density / Sq Mi

$136,125

Median Household Income

$77,358

Median Earnings

$2,302

Median Rent

$713,700

Median Home Value

Market

Vacancy Rate% for Multifamily in Northeast region

4% 2022

4.6% 2023

5.3% 2024

5.6% 2025

Questions? Ask Rey

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What type of property is this? Where is this triplexes located? What is the asking price? Find similar properties What are key features of this property?

Frequently Asked Questions

What type of property is this?

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

Where is this triplex located?

The property is located at 343 Roslyn Ave Carle Place, NY.

What is the asking price?

The asking price for this property is $1,688,000.

What are key features of this property?

This property features: Three‑unit layout distributed across 2 homes on 1 lot; 3,860 sq. ft. of total living space; Primary residence contains 2 distinct 2‑bedroom units