Waterfront Duplex with Dock
For Sale
$1,880,000
1 Opal Court, Brooklyn, NY 11229
Residential, Brooklyn, NY
Property Size3,380 SF
Lot Size0.11 Acres
Price / SF$556.21
Days on Market100
Property Features for 1 Opal Court
General Information
Property type
Residential Multi Family
Property subtype
Other
Property condition
Under Construction
Bedrooms
6
Bathrooms
4
Full bathrooms
4
Rooms
Bathroom 1, Bedroom 1, Bedroom 4, Bathroom 2, Bathroom 4, Bedroom 3, Bedroom 2, Bedroom 6, Bedroom 5, Bathroom 3
Parking features
Garage - Detached
Interior features
Central Air, Dryer, Refrigerator, Stove, Terrace, Washer
Subdivision
Gerritsen Beach
Standard status
Active
Size
3,380 SF
Lot size
0.11 Acres
Amenities
waterfront balcony
designer kitchen
spa-inspired bath
walk-in closet
laundry area
solar-panel roof
central HVAC
high-efficiency mechanicals
private driveway
Building Details
Year built
2026
Floors in Building
3
Number of units
2
Flooring type
Hardwood, Tile
Building materials
Brick
Listing Agency:
RE/MAX Edge · RE/MAX International
(718) 612-3088
Listed By:
Michelle J. Zhang · License #MZ4172
(646) 937-2188
Added: Jul 1
Changed: Oct 6
Last Checked: Oct 8 at 8:06PM
MLS# 502694
Copyright © 2026 Brooklyn New York Multiple Listing Service. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
Investment Insights
Based on property information with market context.
This three-story duplex contains two three-bedroom residences within a 3,380-square-foot detached home on a 4,622-square-foot lot. The second-floor residence includes a waterfront balcony, open living area, designer kitchen, primary suite with walk-in closet and spa-style bath, two additional bedrooms, and laundry. The upper residence adds two full baths, a second laundry area, and an L-shaped balcony with broad water views. Hardwood and tile flooring, brick construction, central HVAC, a solar-panel roof, and high-efficiency mechanical systems are among the property’s features.
The property includes approximately 1,000 feet of private waterfront, existing dock pilings, a detached two-car garage, private driveway, and additional front parking. Separate utility service consists of 2 gas meters and 3 electric meters. A boat is included with the sale. Located in Brooklyn, the residence offers access to Manhattan, major highways, shopping, and dining.
The property includes approximately 1,000 feet of private waterfront, existing dock pilings, a detached two-car garage, private driveway, and additional front parking. Separate utility service consists of 2 gas meters and 3 electric meters. A boat is included with the sale. Located in Brooklyn, the residence offers access to Manhattan, major highways, shopping, and dining.
Key Highlights
- Two three‑bedroom residences in a 3,380‑square‑foot detached duplex
- Approximately 1,000 feet of private waterfront with existing dock pilings
- 2026 construction on a 4,622 sq. ft. lot
Financial Insights
Estimated NOI and Cap Rate
NOI / Yr
$118,373
Cap Rate
6.30%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$2,367,460
$2.4M
Cap Rate 7%
$1,691,043
$1.7M
Cap Rate 9%
$1,315,256
$1.3M
Market Conditions
NOI Build-Up for 3,380 SF
Gross rent
$172.4K $51.00/SF
− Vacancy
−$3.3K −$0.97/SF
EGI
$169.1K $50.03/SF
− OpEx
−$50.7K −$15.01/SF
NOI
$118.4K $35.02/SF
Area
Brooklyn, NY
Vacancy
1.90%
Lease Rate
$51.00 /SF/Yr
Expense Ratio
30.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$2,367,460
Cap Rate 7%
$1,691,043
Cap Rate 9%
$1,315,256
Alternative Uses
Best Use
Multifamily LT 5
$1.69M
$1.48M – $1.97M
NOI $118,373 @ 7.0% cap · market cap 6.30%
Second Best
Apartment 5plus
$1.47M
$1.29M – $1.72M
NOI $103,188 @ 7.0% cap · market cap 5.49%
Theoretical Best
Specialty Retail
$2.80M
$2.45M – $3.27M
NOI $195,905 @ 7.0% cap · market cap 10.42%
Zoning and permitted uses should be independently verified with authorities.
Property Analytics
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Current Use
Lease Details
2
Residential units
Yes
Utilities to site
Location Intelligence
Trade Area within ½ mile
523
Businesses Nearby
Explore this area
Business Placement
Demographics for 11229, NY
83,669
Population
33,353
Households
2.5
Avg Household Size
40
Median Age
41%
College-Educated
88%
High-School Grad
2.0 sq mi
ZIP Area
41,835
Density / Sq Mi
$72,556
Median Household Income
$52,948
Median Earnings
$1,666
Median Rent
$812,200
Median Home Value
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Market
Vacancy Rate% for Multifamily in Northeast region
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Frequently Asked Questions
What type of property is this?
Duplex - Two three-bedroom residences offer private balconies, separate utilities, central HVAC, and dedicated laundry areas.
Where is this duplex located?
The property is located at 1 Opal Court Brooklyn, NY.
What is the asking price?
The asking price for this property is $1,880,000.
What are key features of this property?
This property features: Two three‑bedroom residences in a 3,380‑square‑foot detached duplex; Approximately 1,000 feet of private waterfront with existing dock pilings; 2026 construction on a 4,622 sq. ft. lot
