--- title: "The Isis Condominium Condos for Sale in Manhattan | Buyer Savings" description: "View active listings, prices, and amenities at The Isis Condominium, located at 303 East 77TH Street, New York, NY 10075 in Manhattan. Buy a condo with Buyer Advantage savings." url: "https://realestaterebatesnewyork.com/buildings/new-york-city/manhattan/the-isis-condominium" source: "Real Estate Rebate Team" dateModified: "2026-09-10T08:51:17.908Z" --- # The Isis Condominium 303 East 77th Street, New York, NY 10075 Lenox Hill · Condominium · Built 2008 Availability last updated: September 10, 2026, 4:51 AM ## At a Glance - **Active Units**: 2 Units - **Starting Price**: $2,695,000 - **Property Type**: Condominium - **Year Built**: 2008 ## Building Overview About The Isis Condominium (303 East 77th Street) The Isis Condominium is a boutique residential building situated at 303 East 77th Street on the Upper East Side. It offers modern living with full-floor or half-floor residences, providing privacy and spacious layouts. It combines modern luxury with a classic neighborhood setting. ## Illustrative Buyer Savings **$63,375 at Closing** Illustrative, based on a 3% buyer-broker commission on the highest-priced available residence. Régis shares 50% of the buyer-side commission actually received, so your figure follows the commission offered on your transaction. Work with Régis before touring or submitting an offer to understand the building, evaluate pricing, and preserve eligible Buyer Advantage opportunities. **Régis Roumila** — Principal Broker · NY & NJ. Private buyer representation for luxury resale and new development purchases. Verified Member: REBNY · NAR. NYDOS LIC#: 10491211335. [Speak with Régis](mailto:info@real-estate-rebate.com?subject=Inquiry%3A%20The%20Isis%20Condominium) · [Estimate your Buyer Commission Share](https://realestaterebatesnewyork.com/calculators/buyer-closing-cost-calculator) ## Key Building Details - **Year Built**: 2008 - **Stories / Floors**: 18 - **Neighborhood**: Lenox Hill - **Active Listings**: 2 units ## Building Amenities - Other - Building Other - Washer Hookup - In Unit - Balcony - Building Roof Deck - Private Outdoor Space Under 60 Sqft - Dishwasher - City - Pets: Building Yes - Pets: No ## Active Residence at The Isis Condominium 2 Active Residences Buyer Advantage figures shown on these residences are illustrative, based on a 3% buyer-broker commission. Régis shares 50% of the buyer-side commission actually received on the transaction, so the figure follows the commission offered on the listing you buy. [How the Buyer Commission Share works](https://realestaterebatesnewyork.com/buyer-advantage) | Residence | Type | Beds | Baths | Size | Price | Status | Estimated Buyer Advantage | Courtesy of | | --- | --- | --- | --- | --- | --- | --- | --- | --- | | [The Isis Condominium #15AB](https://realestaterebatesnewyork.com/buy/newyorkcity/manhattan/10075/303-east-77th-street-ab-15AB-ny-10075) | Condominium | 5 | 4.5 | 3,312 ft² | $4,225,000 | Active | $63,375* | Christies International Real Estate Group LLC | | [The Isis Condominium #16-A](https://realestaterebatesnewyork.com/buy/newyorkcity/manhattan/10075/303-east-77th-street-16a-ny-10075) | Condominium | 3 | 3 | 1,691 ft² | $2,695,000 | Active | $40,425* | R New York | > 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. ## Sales History for The Isis Condominium 37 closings in this building. Prices are the consideration recorded on the deed with the City of New York wherever it has been filed. | Unit # | Beds | Baths | Size | Closing Price | Price / Ft² | Asking Price | Sold On | | --- | --- | --- | --- | --- | --- | --- | --- | | PHC | 2 | 2.5 | 1,652 | $2,990,000 (-9.4%) — Public record | $1,810 | $3,300,000 | Jan 6, 2025 | | 6B | 3 | 2 | 1,439 | $1,750,000 — Public record | $1,216 | — | Dec 12, 2024 | | 16B | 3 | 2.5 | 1,621 | $2,500,000 (-7.4%) — Public record | $1,542 | $2,700,000 | Aug 20, 2024 | | 14A | 3 | 3 | 1,691 | $2,575,000 (-13.4%) — Public record | $1,523 | $2,975,000 | Aug 1, 2024 | | PHD | 2 | 2 | 1,285 | $1,940,000 (-25.2%) — Public record | $1,510 | $2,595,000 | May 31, 2024 | | 10B | 3 | 2.5 | — | $2,600,000 (-13.2%) — Public record | — | $2,995,000 | Mar 28, 2023 | | 6A | 2 | 2.5 | — | $1,735,000 (-11%) — Public record | — | $1,950,000 | Sep 8, 2022 | | 10A | 3 | 3 | 1,691 | $2,795,000 — Public record | $1,653 | $2,795,000 | May 9, 2022 | | 8A | 3 | 3 | 1,691 | $2,450,000 (-2%) — Public record | $1,449 | $2,500,000 | Dec 9, 2021 | Showing the 9 most recent of 37 closings. The full record is on the building page. Public record marks a price taken from the deed filed with the City of New York. Rows without it show the price reported to the listing service, which is what is available until the deed is recorded, typically about two weeks after closing. The percentage beside a closing price is the sale measured against the original asking price. Rows with no asking price are sales with no listing behind them. Those are sponsor and off-market transfers taken from the public record. > 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. ## What to Review Before Buying in The Isis Condominium Purchasing real estate in New York City or New Jersey goes beyond the apartment itself. To secure your asset and investment equity, we systematically analyze building structures, financials, board packages, and commission sharing arrangements. 1. **Building Quality** — Review construction, finishes, amenities, management, service level, and long-term resale value. 2. **Monthly Costs** — Understand common charges, property taxes, assessments, and the full carrying-cost picture. 3. **Transaction Strategy** — Evaluate pricing, sponsor terms, closing costs, negotiation leverage, and eligible Buyer Advantage opportunities before committing. ## Location & Neighborhood 303 East 77th Street, New York, NY 10075 ### Lenox Hill Lenox Hill is the medical and residential heart of the UES. It is classic and clean. For buyers seeking Lenox Hill Manhattan real estate, it offers stability. Living in Lenox Hill is polished. As a Manhattan NYC neighborhood, it is established. The market for homes for sale in Lenox Hill includes white-glove co-ops. The lifestyle in Lenox Hill is refined. Lenox Hill is served by the 6 and Q trains. Central Park is the western border. Amenities: Luxury shopping on Madison Ave. Lenox Hill is best for doctors and established families. - [Lenox Hill Guide](https://realestaterebatesnewyork.com/neighborhoods/new-york-city/manhattan/lenox-hill) - [Browse Lenox Hill Residences](https://realestaterebatesnewyork.com/buy/newyorkcity/manhattan/lenox-hill-manhattan) - [All Neighborhoods](https://realestaterebatesnewyork.com/neighborhoods) ## Frequently Asked Questions ### Where is this building located? The Isis Condominium is at 303 East 77th Street. ### What subway is accessible? The Q train at 72nd and 6 train at 77th are nearby. ### Is there a park nearby? John Jay Park is nearby. ### What is the building vibe? It offers a boutique, private luxury feel. Have questions about The Isis Condominium? [Speak with Régis before you tour.](mailto:info@real-estate-rebate.com) ## Considering a Residence at The Isis Condominium? Speak with Régis before you tour, negotiate, or submit an offer. Receive private buyer-side guidance, pricing context, and eligible Buyer Advantage opportunities where available. [Schedule a private consultation](https://realestaterebatesnewyork.com/contact) · [All buildings](https://realestaterebatesnewyork.com/buildings)