Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433
91 Diamond Street #PHB

For Sale · Listing by Compass

91 Diamond Street #PHB

Greenpoint, Brooklyn

$1,595,000

Interested in this property?
Active For Sale Condo

$1,595,000

$1,621 per sq ft

91 Diamond Street #PHB

Greenpoint, Brooklyn

MLS® #RLS20104601

RLS at REBNY

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

Bedrooms 2
Bathrooms 1
Living Area 984 sq ft
Year Built 2020
Ownership Condo
HOA/Common Charges $898/mo
Property Taxes $14,087.28/yr
Parking Private
Neighborhood Greenpoint
Floor 1 of 5

Property Highlights

  • Outdoor Space: Terrace, Balcony, Rooftop

Property Details

Type Condo
Ownership Condominium
Total Rooms 4
Baths 1 Full
Floor 1 of 5
Pets Yes
Year Built 2020
Living Area 984 sq ft
Parking Features Private
Structure Type HighRise
Furnished Unfurnished
Block/Lot 02651/1110

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

Breakfast Bar Entrance Foyer Elevator Granite Counters Soaking Tub In Unit See Remarks

Exterior Features

Building Garden Balcony Building Roof Deck Building Tennis Courts Private Outdoor Space Over60 Sqft Terrace Balcony Rooftop

Building Amenities

Elevators Fitness Center Tennis Courts

Appliances

Dishwasher Stainless Steel Appliances

Building Information

Building Data View Compliance & Permits
Total Units 10
Stories 5
Structure HighRise

Financial Details

Common Charges $898/mo
RE Taxes $14,087.28/yr ($1,174/mo)

Greenpoint 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 Neighborhood

Active Listings

48

Median Asking Price

$1.81M

Median $/Sqft

$1,452

Avg Days on Market

N/A

New This Week

7

Price Reduced

31%

Sold (30 Days)

13

Median Sale Price

$1.89M

Live data from RLS at REBNY • Updated 9/9/26, 7:38 PM EST

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Location

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91 Diamond Street #PHB, Greenpoint, Kings County

Floor Plans

Floor Plan 1

Building Information

Official NYC property records for this building

2019
Year Built
7 years old
5
Floors
10
Residential Units
R6B
Zoning District
Condominiums

Tax & Assessment

Assessed Value: $2,295,901
Land Value: $225,000
Exemptions: $0

Note: Individual unit taxes may differ. Verify current tax bills with NYC DOF.

Lot Area: 5,000 SF
Building Area: 12,439 SF
Built FAR: 2.49
Allowed FAR: 2

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

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 [email protected]. 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) 416-7433
MLS® ID: RLS20104601
First Listed: 7/20/2026
On Market: 9/9/2026
Contract Date: 7/7/2026

Listing 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 at REBNY

RLS Data display by Keller Williams NYC. Data last updated on 9/9/2026 at 11:38 PM UTC

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Greenpoint Market Update

13 sales last 30 days · $1.81M median · 3.7 months supply

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New listings in this neighborhood

Quick Facts

Status Active Type Condo Neighborhood Greenpoint Borough Brooklyn
County Kings
Floor 1 of 5
Year Built 2020
First Listed 7/20/2026
Living Area 984 sqft
Common Charges $898/mo
Annual Tax $14,087.28

Monthly Costs Estimate

Down Payment 20%

$319,000

Interest Rate Loading...

Source: Freddie Mac PMMS

Loan Term 30 years

Est. Monthly Payment

$0

Principal & Interest $0
PMI (under 20% down) $0
Common Charges $898
Est. Taxes $1,174
Total Monthly $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

Run the numbers on a different offer price

Estimate based on the asking price. Confirm your own obligation with your real estate attorney.

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