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45 East 66th Street 8SNew York, NY 10065

For Sale

$5,825,000

Smart Buyer Rebate $72,813

  ALL SHOWINGS AND OPEN HOUSES BY APPOINTMENT ONLY 45 E 66th Street 8S New exclusive from Classic Marketing, a grand 4-bedroom sponsor unit with no board approval at 45 East 66th Street. A unique opportunity to own in this historic 1908 UES gem on Madison Avenue and 66th Street. 8S welcomes you with a grand and inviting entry gallery leading to a large sunny south and east facing corner living room with a wood burning fireplace.  This residence features a formal dining room, windowed kitchen and a separate hallway leading to 4 bedrooms and 3 windowed baths.  The exquisite primary bedroom with large bay window facing south and west over Madison Avenue has an ensuite bath and ample closet space.  This stately and charming residence enjoys wonderful light from three exposures, 10 + ft.  ceilings with generous closet space and storage throughout.  8S is being sold in "AS-IS" condition, so bring your imagination and design to create your perfect home in this prewar star. No Board approval.   Built in 1908, 45 East 66th Street is a splendid landmarked prewar coop with a distinctive bricked facade and fine architectural details.   There is a 24-hour doorman, live in super and white glove service.  Located on one of the best streets in New York, you are steps from Central Park, museums, galleries, fine restaurants and designer shops and cultural events.  

Listed by Wendy Hope Leiser

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Classic Marketing LLC

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212-371-0530

Listed by Nancy Kiyomi Yamada

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Classic Marketing LLC

Last updated January 13, 2026

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Source: REBNY #RLS20066667

Listing Facts

  • TypeCo-op
  • NeighborhoodLenox Hill
  • Bedrooms4
  • Bathrooms3
  • Days on Prevu17
  • HOA/Maint. Fees$7,759/month

Amenities

  • Private Outdoor Space
  • Pets Allowed
  • Concierge

Location

Mortgage Calculator

Listing History

01/13/2026
Listed by Classic Marketing LLC
$5,825,000

Estimated Closing Costs

Total
$140,562
Attorney Fees
$4,000
NYC Mansion Tax
$131,062
Bank Attorney
$1,500
Other Closing Costs
$4,000

Estimated closing costs are based on the list price of $5,825,000 and a 20% downpayment. These estimates are for indicative purposes only. Actual closing costs may vary for each transaction. See the Closing Costs Calculator for calculations specific to your situation.

Property Details for 45 East 66th Street 8S

Association

Amenities

  • Pets Allowed: Building Yes, Yes
  • Concierge: Doorman Full Time, Elevator Attendance Yes

Fees

  • Association Fee: $7,759.00 Monthly

Financial

  • Flip Tax Remarks: 2.5% Paid By Seller Paid By Seller
  • Sponsor Unit: Yes

Exterior

Construction

  • Number Of Units Total: 33
  • Stories Total: 10
  • Structure Type: High Rise
  • Year Built: 1906
  • Building Name: 777 Madison Avenue
  • Entry Level: 8

Features

  • Building Features: Elevator(s)
  • View: City

Interior

Features

  • Fireplace: Yes
  • Fireplaces Total: 1

Measurements

  • Living Area Units: SquareFeet

Rooms

  • Bathrooms Full: 3
  • Bathrooms Total Integer: 3
  • Bedrooms Total: 4
  • Rooms Total: 7

Other

Location

  • City Region: Manhattan
  • Subdivision Name: Lenox Hill
  • Tax Block: 01381
  • Tax Lot: 7502

Utilities

Equipment

  • Laundry Features: Washer Hookup, In Unit

Frequently Asked Questions

How many bedrooms and bathrooms does this co-op have?

There are 4 bedrooms and 3 bathrooms in this co-op at 45 East 66th Street 8S.

Are pets allowed at 45 East 66th Street?

Yes, 45 East 66th Street allows pets.

How does 45 East 66th Street 8S compare to other co-ops in Lenox Hill?

This co-op is listed 40% above the average price for co-ops in Lenox Hill and has been on the market for 169 less days than the typical home in this area.

What building or home owners association is the co-op part of?

This co-op is in the 777 Madison Avenue building.

45 East 66th Street 8S is a 4-bedroom, 3-bath co-op for sale in New York NY 10065. Available on Prevu for 17 days at $5,825,000. This property is located in Lenox Hill. The median listing price for co-ops in this area is $2,985,000. Additional amenities include private outdoor space, pets allowed, and doorman. Explore more co-op listings in Manhattan.

Based on information from Real Estate Board of New York and/or other sources. This 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.

Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.