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$3,595,000
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Property Description
Welcome to Residence 6A, an expansive 2,547-square-foot, loft-like four-bedroom, four-bathroom home with an in-unit washer/dryer, located in the heart of the Upper East Side within the full-service Diamond House condominium. A gracious entry foyer with double coat closets opens to a sophisticated dining gallery and an impressive step-down great room overlooking 77th Street. The spacious living area features beamed ceilings, beautiful hardwood floors, casement windows, and abundant natural light. The windowed eat-in chef's kitchen is designed for both everyday living and entertaining, offering generous stone countertops, abundant custom cabinetry, a breakfast bar, and room for a dining table. Top-of-the-line stainless steel appliances include a Sub-Zero refrigerator and wine cooler, along with a Gaggenau cooktop and dual wall ovens. Thoughtfully designed with two separate bedroom wings, the home offers exceptional privacy and flexibility. The corner primary suite features an East-facing bay window, a wall of custom closets, and a luxurious en-suite marble bathroom with a soaking tub, double vanity, and separate glass-enclosed shower. The second bedroom, which also works beautifully as a home office, is conveniently located nearby and served by a full hall bathroom with a stall shower. The spacious third and fourth bedrooms each offer excellent closet space and their own full windowed bathrooms, with one enjoying en-suite access. The washer/dryer is discreetly located in the hallway of this bedroom wing. The Diamond House is a distinguished prewar condominium with full-time staff and an impressive array of amenities, including a beautifully landscaped roof deck, fitness center, and bike room. Ideally situated on the Upper East Side, the residence is moments from the neighborhood's finest cultural institutions, restaurants, shopping, and convenient public transportation. A rare combination of scale, privacy, gracious entertaining space, and modern comfort in one of the Upper East Side's most desirable locations. Taxes reflected include condo abatement.
Full Property Details
Full Property Details for 170 E 77th St #6A
General
- Price: $3,595,000
- HOA FEE: $3,711/month
- Taxes: $36,930
- Status: Active
- Type: Apartment
- Source: REBNY
- MLS ID: RLS20110714
- Updated: 9/24/2026
- Added to Site: 18 day(s) ago
Interior
- Number of Rooms: 8
- Interior Features: Double Vanity, Entrance Foyer, High Ceilings, Soaking Tub
- Appliances: Cooktop, Double Oven, Dryer, Dishwasher, Freezer, Gas Cooktop, Gas Oven, Range, Refrigerator, Stainless Steel Appliance(s), Wine Cooler, Washer
- Furnishings: Unfurnished
- Flooring: Hardwood
Rooms
Bathrooms
- Total Bathrooms: 4
- Full Bathrooms: 4
Bedrooms
- Total Bedrooms: 4
Other Rooms
- Laundry: Common On Floor, Common Area, In Unit
Exterior
- Exterior Features: Building Roof Deck
Location
- County: New York
- Subdivision: Lenox Hill
- Building Name: The Diamond House
Heating & Cooling
- Central air: Yes
- Air Conditioning: Yes
- Cooling Type: Central Air
Structural Information
- Structure Type: High Rise
- Stories/Levels: 1
- Square Feet: 2,547
- Living Area: 2,547 Sq. Ft.
- Year Built: 1940
- Other Struct. Feat.: Bike Storage, Concierge, Elevator(s), Fitness Center
Lot Features
- Lot Size: 12771.25
- Lot Dimensions: 125.000000 x 102.170000
Financial Considerations
- Association Fee: $3,711
- Assoc Fee Freq.: Monthly
- Tax Amount: $36,930.72
Disclosures and Reports
- Special Conditions: Standard
- Property ID: 1411-1124
- Block: 1411
- Lot Number: 7502
Listing Courtesy of Compass
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Schools
Schools serving 170 E 77th St #6A
School District:New York City Geographic School District 02
| Name | Grades | Distance |
|---|---|---|
P.S. 158 Baylard Taylor 1458 York Avenue, New York, NY 10075 | K-6 | 0.5 mi |
Jhs 167 Robert F Wagner 220 East 76th Street, New York, NY 10021 | 6-8 | 0.1 mi |
Disclaimer:
School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 170 E 77th St #6A
Date
Details
Price
Change
Source
9/22/2026
Listed
$3,595,000
-7.7%
MLS
9/19/2013
Sold
$3,895,000
—
Public Record
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Tax History
Tax History for 170 E 77th St #6A
Year
Property Taxes
Change
Tax Assessment
Change
2025
$44,830
—
$359,873
—
2025
$44,830
7%
$358,644
7%
2024
$41,753
-3%
$333,970
-3%
2023
$42,944
5%
$343,500
-3%
2022
$40,945
—
$354,663
4%
2021
$40,758
23%
$341,326
-10%
2020
$33,057
4%
$378,055
2%
2019
$31,801
-14%
$369,557
4%
2018
$37,190
4%
$356,643
2%
2017
$35,893
—
$350,379
6%
2016
$36,068
7%
$331,327
5%
2016
$33,561
11%
$315,303
17%
2014
$30,309
-1%
$268,603
10%
2013
$30,569
—
$244,560
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Estimate the Cost
Estimate the Cost for 170 E 77th St #6A
170 E 77th Street #6A, New York City, NY 10075 (MLS# RLS20110714) is a Apartment property with 4 bedrooms and 4 full bathrooms. 170 E 77th Street #6A is currently listed for $3,595,000 and was received on September 22, 2026. Want to learn more about 170 E 77th Street #6A? Do you have questions about finding other Apartment real estate for sale in New York City? You can browse all New York City real estate or contact a Coldwell Banker agent to request more information.

