For Sale · Listing by Compass
91 Diamond Street #PHB
Greenpoint, Brooklyn
$1,595,000
91 Diamond Street #PHB
MLS® #RLS20104601
Listing by Compass
Open House Scheduled
Sunday, September 13 • 12:00 PM – 1:30 PM
REBNY 2025: signed Buyer Representation Agreement required before any showing.
- 2
- Bedrooms
- 1
- Bath
- 984
- Sq. Ft.
- 2020
- Year Built
Quick Summary
Property Highlights
- Outdoor Space: Terrace, Balcony, Rooftop
Property Details
Listing History
| Event | Date | Price | Change |
|---|---|---|---|
| Listed | Sep 9, 2026 | $1,595,000 | - |
| Currently | Sep 9, 2026 | $1,595,000 | - |
Description
Perched atop one of Greenpoint's most thoughtfully designed boutique condominiums, Penthouse B at 91 Diamond is a beautifully crafted two bedroom, one bathroom residence offering exceptional indoor outdoor living, sweeping Manhattan skyline views, and two expansive private outdoor spaces, including a rare private rooftop cabana. Flooded with natural light through oversized windows, this exceptional penthouse seamlessly blends sophisticated contemporary design with everyday functionality. Highlights Living & Entertaining • Private elevator opening directly into the residence • Sun filled living and dining area with oversized windows framing the Manhattan skyline • Expansive private terrace directly off the living space, perfect for entertaining, outdoor dining, or enjoying morning coffee • Wide plank white oak flooring throughout Chef's Kitchen • Caesarstone countertops • Matte white lacquer cabinetry • Premium Wolf, Bosch, and Smeg appliances • Expansive breakfast bar with generous seating and ample workspace Bedrooms • Spacious primary bedroom with room for a king size bed • Custom closet build outs • Private west facing balcony with spectacular sunsets and views of the World Trade Center • Bright secondary bedroom with generous closet space Spa Inspired Bathroom • Custom tilework • Kohler fixtures • Deep soaking tub • Heated floors • Integrated stacked washer and dryer Private Rooftop Cabana One of Penthouse B's most exceptional features is its exclusive private rooftop cabana, an incredibly rare offering in Brooklyn condominium living. This remarkable private retreat serves as a true extension of the home's living space and offers panoramic views across Greenpoint and toward the Manhattan skyline. Whether hosting friends, dining under the stars, or simply unwinding above the neighborhood, this extraordinary space offers a level of private outdoor living rarely found in Brooklyn. Additional Features • Smart light switches • Video intercom system • Refined contemporary finishes throughout • Dedicated basement storage 91 Diamond An intimate collection of just ten residences, 91 Diamond offers boutique condominium living with private elevator access, a virtual doorman, fitness room, dedicated storage for every residence, and a beautifully landscaped shared rooftop terrace. Greenpoint Living Located on a quiet, tree lined street, Penthouse B is moments from some of Brooklyn's most celebrated restaurants, cafés, and neighborhood favorites, including Chrissy's Pizza, Paulie Gee's, Radio Bakery, WenWen, Chez Ma Tante, and Rule of Thirds. Perfectly positioned between McCarren Park and McGolrick Park, residents enjoy easy access to two of Brooklyn's most beloved green spaces. From farmers markets, tennis courts, running tracks, dog runs, playgrounds, and an outdoor pool to peaceful tree lined paths and open lawns, Greenpoint offers an exceptional balance of neighborhood energy and tranquility. Convenient access to the G train at Nassau Avenue and the NYC Ferry provides an easy commute to Williamsburg, Downtown Brooklyn, and Manhattan. Penthouse B at 91 Diamond offers a rare combination of boutique condominium living, dramatic skyline views, and exceptional private outdoor space in one of Brooklyn's most sought after neighborhoods.
Features & Amenities
Interior Features
Exterior Features
Building Amenities
Appliances
Building Information
Financial Details
About Greenpoint
View All Greenpoint ListingsGreenpoint is a neighborhood that perfectly balances its industrial heritage with a modern, creative spirit. Known for its stunning views of the Manhattan skyline and its rich industrial heritage, the area has become a premier destination for luxury living. The real estate landscape features a mix of historic multi-family homes, converted factory lofts, and a new wave of high-end glass towers along the East River waterfront.
Greenpoint Live Market Data
View NeighborhoodActive Listings
47
Median Asking Price
$1.82M
Median $/Sqft
$1,454
Avg Days on Market
N/A
New This Week
6
Price Reduced
32%
Sold (30 Days)
13
Median Sale Price
$1.89M
Live data from RLS at REBNY • Updated 9/9/26, 4:32 PM EST
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Location
91 Diamond Street #PHB, Greenpoint, Kings County
Floor Plans
Building Information
Official NYC property records for this building
Tax & Assessment
Note: Individual unit taxes may differ. Verify current tax bills with NYC DOF.
Source: NYC PLUTO (Primary Land Use Tax Lot Output), NYC Department of City Planning (data.cityofnewyork.us)
Want help estimating ownership costs or understanding building compliance? Let's discuss
Listing Data
RLS® at REBNY (Real Estate Board of New York) via Trestle API. Updated in real-time.
Building Data
NYC PLUTO (Primary Land Use Tax Lot Output), NYC Department of City Planning. Updated quarterly.
Market Data
RLS® at REBNY (Real Estate Board of New York). Live data updated in real-time.
Map & Location
OpenStreetMap contributors via Leaflet. Geocoding via Nominatim.
All data is provided for informational purposes only and should be independently verified. See our Data Sources Policy for more information.
Frequently Asked Questions
Common questions about this property
The current listed common charges are $898 per month. Confirm the exact amount with Milton Coste before making an offer.
The current listed annual property tax is $14,087.28, or roughly $1,174 per month. Verify the current assessment with your attorney before closing.
This property has 2 bedrooms and 1 full bathroom.
The listed interior living area is 984 square feet. Verify dimensions independently during due diligence.
According to MLS records, the building was constructed in 2020, making it approximately 6 years old.
This listing is a condominium. Buyers receive a deed to their individual unit and own their space outright, subject to condo association rules.
Pet policy requires confirmation with Milton Coste.
At the current list price of $1,595,000 for 984 sq ft, the asking price per square foot is approximately $1,621. This figure is for reference only and may differ from appraised or assessed values.
To schedule a private showing, contact Milton Coste at (917) 416-7433 or milton@miltoncoste.com. Per REBNY guidelines effective 2025, a Buyer Representation Agreement is required before a buyer's broker can show you properties. You may attend open houses independently without one.
Have a question not answered here?
(917) 416-7433Listing Courtesy of Compass - Phillip Salem
Listing Contact: (330) 618-9688
Listing information for certain New York City properties provided courtesy of the Real Estate Board of New York's Residential Listing Service (the "RLS"). The information contained in this listing has not been verified by the RLS and should be verified by the consumer. The listing information provided here is for the consumer's personal, non-commercial use. Retransmission, redistribution or copying of this listing information is strictly prohibited except in connection with a consumer's consideration of the purchase and/or sale of an individual property. This listing information is not verified for authenticity or accuracy and is not guaranteed and may not reflect all real estate activity in the market. ©2026 The Real Estate Board of New York, Inc., all rights reserved. This advertisement does not suggest that the broker has a listing in this property or properties or that any property is currently available.
Broker Commission Disclosure: Broker commissions are not set by law and are fully negotiable.
Buyer Notice: Planning to work with a buyer's broker? A Buyer Representation Agreement is required before your broker can show you properties, per REBNY/UCBA guidelines (effective 2025). You may attend open houses independently without one.
RLS Data display by Keller Williams NYC. Data last updated on 9/9/2026 at 8:32 PM UTC
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Quick Facts
Monthly Costs Estimate
$319,000
Source: Freddie Mac PMMS
Est. Monthly Payment
$0
Estimates only. Consult a lender for exact figures.
Mansion tax applies at this price point
New York State charges the buyer a mansion tax on residential purchases at $1,000,000 or more. At this asking price the tier is $1M to $1,999,999 at 1.00%, applied to the whole purchase price. It is due in cash at closing and cannot be financed.
Estimated mansion tax at asking
$15,950
Estimate based on the asking price. Confirm your own obligation with your real estate attorney.
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