roofy
For saleCondoNewScore 64

4-bedroom condo for sale in Upper East Side-Carnegie Hill

170 E 77th St Apt 9C, Upper East Side-Carnegie Hill, Manhattan, New York, NY, 10075

$4,450,000
Asking price · in USD
Size
2,500 ft² (232 m²)
Available
Now

About this home

Condo for sale in Upper East Side-Carnegie Hill, Manhattan: 4 bedrooms, 4 bathrooms, 2,500 ft². Asking price $4,450,000. Built in 1942.

From the original listing · Realtor.comShow

Thoughtfully reimagined with a modern sensibility, Residence 9C at 170 East 77th Street is a turnkey four-bedroom, four-bathroom home defined by elevated design and exceptional craftsmanship. A gracious entry leads into the dramatic step-down living and dining room, an expansive entertaining space framed by oversized windows that flood the home with natural light. Custom built-ins and an 80-inch Dynasty linear electric fireplace anchor the room, while European 10-inch oak plank flooring and electric privacy shades add warmth. The beautifully reimagined kitchen is both striking and highly functional, outfitted with floor-to-ceiling Scavolini cabinetry, a durable Dekton countertop with integrated sink, and a best-in-class suite of appliances including Thermador refrigeration, induction cooktop, wine storage, and Gaggenau oven, microwave, and built-in espresso machine. Privately positioned, the sprawling corner primary suite offers a serene retreat, complemented by custom room-darkening Hunter Douglas electric shades and dedicated Mitsubishi climate control. Spa-inspired baths are finished with honed natural stone slabs, Scavolini vanities, premium Gessi fixtures, concealed wall-hung toilets, upgraded shower systems, and radiant heated flooring in the primary bath, bringing a five-star hotel sensibility to everyday living. Set within Diamond House, a full-service condominium in the heart of Lenox Hill, residents enjoy a 24-hour doorman, fitness center, roof deck, bike room, and a pet-friendly lifestyle. Perfectly positioned moments from Madison Avenue shopping, acclaimed dining, Central Park, and multiple transportation options, the residence offers exceptional convenience in one of the Upper East Side's most sought-after neighborhoods.

Description from Realtor.com, shown as published there. See the original listing

Roofy listing score

Grade C, 64/100 · Fairly complete

How complete and honest this listing is, from what the source sites show and Roofy’s own checks. It isn’t a rating of the home or the agent. How the score works

  • Photos25/25
    • Full points: 10 photos15/15
    • Full points: Large, clear photos (about 1,000 px)10/10
  • Details16/20
    • Full points: Price stated3/3
    • Full points: Bedrooms stated2/2
    • Full points: Bathrooms stated2/2
    • Full points: Size stated2/2
    • Does not apply: Move-in date: does not apply2/2
    • Does not apply: Lease length: does not apply1/1
    • Full points: Pet policy stated1/1
    • No points: Laundry not mentioned0/1
    • No points: Heat and utilities not mentioned0/1
    • No points: No amenities listed0/2
    • Full points: Description of 258 words3/3
  • True cost5/15
    • No points: No running costs stated (HOA, service charge or taxes)0/8
    • Some points: Priced 36% below similar homes in its neighborhood5/7
  • Accuracy12/15
    • Nothing to compare: Listed on one site, nothing to compare3/6
    • Full points: Agrees with city records (built 1942, 53 homes)5/5
    • Full points: Confirmed on its source site 3 days ago4/4
  • Legal6/10
    • Full points: No fair-housing problems found in the wording6/6
    • Problem: The agent’s license is not active0/4
  • Trust0/15
    • No points: Not claimed on Roofy by the agent or owner0/10
    • No points: The agent is not verified on Roofy0/5

Listed this home? Claim your agent page to add the trust points.

Scored Nov 2, 2026 · Score version 1. No one can pay to change a score.

Buying costs

What this price means for you: the monthly payment, and New York’s mansion tax, which the buyer pays on a home of $1 million or more.

Compared with the area

Asks $4,450,000, 36% below the median asking price for homes for sale with 4+ bedrooms in Upper East Side-Carnegie Hill.

Median here
$6,950,000
83 listings, last 90 days
Typical range
$4,995,000–$13,750,000
The middle half of listings
Per ft²
$1,780 vs $2,058.64
This home vs the median, 14% lower

Priced below most similar homes here.

Asking prices of listings on Roofy and listing sites in the last 90 days, not signed leases or sale prices. One currency, never converted.

More about Upper East Side-Carnegie Hill

Location

Location as the listing shows it.Open in Google Maps

Nearby transit

  • 77 St61 min walk
  • 72 StN Q8 min walk
  • 68 St-Hunter College611 min walk

Nearby public schools · District 2

Distance only, not school zones. Check the zoned school with NYC Public Schools.

The building

53 units · 10 floors · built 1942 · 4 more homes listed here

Building record (NYC)

NYC records as of Nov 1 (weekly)

170 East 77 Street · BBL 1-01411-7502 · built 1942 · 53 units

Roofy building score 96/100 · Well keptAbout the building, from HPD violations. Not an inspection.
Building type
Condominium
Open HPD violations
None
Heat complaints
1 this season
Complaints, last 12 months
1
Rent stabilization
Had 8 units in 2024 tax bills (likely)
Last sale (12-month file)
No sales in our 12-month file

No open immediately hazardous (Class C) violations. Condo records cover the whole building.

See the full building record

Public NYC records about the building, not about the person listing it. Buyers and renters can see them on city websites too. Source: NYC Open Data (DCP PLUTO, HPD, DOF).

Added to Roofy Oct 29, 2026Last checked on Realtor.com Oct 29, 2026Roofy doesn’t verify listings. Never send money before seeing a home.