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Two-Family Brick House in Seagate

3707 Nautilus Ave Brooklyn, NY 11224

3707 Nautilus Ave, Brooklyn, NY, 11224
$699,000
For Sale
Claim this Listing
$699,000

Two-story, two-family house in gated Seagate community.

Property Size1,851 SF
Lot Size0.04 Acres
Price / SF$377.63
AddedMar 11
Days on Market127
Last RefreshJul 2 at 11:02 pm

Property Features for 3707 Nautilus Ave

General Information

Standard status
Active
Size
1,851 SF
Lot size
0.04 Acres
Property subtype
Multi Family

Building Details

Year Built
1945

Listing office Gillani Homes Inc.

Listing date Mar 11, 2026

Source Elliman

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 Gillani Homes Inc.


Investment Insights

Based on property information with market context.

Located in the private gated community of Seagate, this two-story, two-family brick house offers an opportunity to live in a beachside community. The home has 1,851 square feet of livable space and sits on a 22 x 100 lot. The ground floor features a one-bedroom apartment with a large living room, bedroom, bathroom space, and a separate eat-in kitchen area, which needs some TLC. The second floor includes two bedrooms with closets, a large living room, an eat-in kitchen, and a full-size bathroom. Additional features include a large private backyard, a driveway leading to a one-car attached garage, and a utility room behind the garage housing a one-year-old furnace and water heater. The Seagate community provides 24-hour security with a gated entrance and private beach access. Public transportation is nearby, including city and express buses to Manhattan, with city bus connections to subway trains. Flood insurance is required.

Key Highlights

  • Private gated community of Seagate with private beach access.
  • Two‑family brick house offering rental income potential.
  • Attached 1‑car garage and private backyard.

Local Financial Insights For Apartment 5plus

Simulate Cap Rate and NOI

NOI Build-Up
Vacancy
income lost from leasable area expected to sit empty during the year — subtracted from gross rent.
EGI (Effective Gross Income)
gross rent minus vacancy losses — the realistic income before paying operating costs.
OpEx (Operating Expenses)
recurring costs to operate the property (property tax, insurance, utilities, maintenance, management) — excludes financing and capital improvements.
NOI (Net Operating Income)
income a property generates after operating costs but before financing and taxes.

Component $ $/SF
Gross rent $104.8k $56.64
− Vacancy −$2.1k −$1.13
EGI $102.7k $55.51
− OpEx −$46.2k −$24.98
NOI $56.5k $30.53
1,851 SF · lease $56.64/SF/yr · vacancy 2.00% · expense 45.00%

Alternative Uses

Best Use
Multifamily LT 5
$926.1K
$810.3K – $1.08M (±1% cap)
NOI $64,825 @ 7.0% cap · market cap 9.27%
Second Best
Apartment 5plus
$807.3K
$706.4K – $941.8K (±1% cap)
NOI $56,509 @ 7.0% cap · market cap 8.08%
Theoretical Best
Specialty Retail
$1.53M
$1.34M – $1.79M (±1% cap)
NOI $107,284 @ 7.0% cap · market cap 15.35%
Zoning and permitted uses should be independently verified with local authorities.

Property Analytics

Property Profile Location Intelligence

Current Use by Public Records

Duplexes

Suggested Use

Law Firm Real Estate Agency Hair Salon Spa & Massage Center Dental Office Gym & Fitness Center Skin Care Clinic Nail Salon Cafe & Coffee Shop Bakery

Zoning and permitted uses should be independently verified with local authorities.

FAQs

What type of property is this?
Duplex - Two-story, two-family house in gated Seagate community.
Where is this duplex located?
The property is located at 3707 Nautilus Ave Brooklyn, NY.
What is the asking price?
The asking price for this property is $699,000.
What are key features of this property?
This property features: Private gated community of Seagate with private beach access.; Two‑family brick house offering rental income potential.; Attached 1‑car garage and private backyard.
Contact an agent
More about this property
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