20 West 77th Street
20 West 77th Street, New York, NY 10024
BBL 1011290045 · BIN 1028818
- Year built
- 1925
- Type
- Cooperative
- Landmark status
- Not an individual landmark; in the Upper West Side / Central Park West Historic District
- NYC Landmarks Preservation Commission records, updated February 2026
- Doorman
- Part-time doorman
Every recorded sale at this building, 2003–2026
Bedroom-by-bedroom medians, the full transfer record, and how units trade against ask.
- 2BR median, 2023–2026
- $1.8M
- 3 qualifying sales
- Recent range
- $1.6M – $4.3M
- Listing discount
- 4.0%
- Recorded transfers
- 36
Own an apartment here? See what it would sell for.
A Private Pricing Opinion — what your apartment at 20 West 77th Street would likely sell for today, what it costs to sell, and what you’d walk away with — reviewed personally against condition, exposures, renovation quality, and the competition actually on the market.
20 West 77th Street has one of the great front-yard views on the Upper West Side: it faces the American Museum of Natural History and Theodore Roosevelt Park directly, with Central Park a half-block east. On a block defined by that institution, the building looks onto park green and museum architecture; how much of that outlook an apartment gets depends on floor and exposure.
Designed by George F. Pelham — one of the most prolific apartment-house architects of early-20th-century Manhattan — and completed in the mid-1920s, it is a neo-Renaissance building of brick and brownstone on a steel frame, fifteen stories of dignified, well-proportioned pre-war architecture. Inside, the planning is the draw: just two apartments per floor, reached by semi-private landings, so that residences live with the privacy and cross-light of a near-full-floor home.
Converted to cooperative ownership in 1969 — early in the conversion era — it has the settled, owner-occupied character of a long-established co-op, within the protections of the Upper West Side / Central Park West Historic District.
Architecture and unit composition
Pelham gave the building a neo-Renaissance face — brick above a brownstone base, with the classical detailing and measured proportions of the 1920s — and a steel-frame structure that allowed its fifteen-story height on a narrow lot. It is a contributing building in the historic district, sitting comfortably among the museum-block and Central Park West pre-war stock.
The two-apartments-per-floor plan is the building's defining feature. Each residence enjoys generous exposure and the privacy of a semi-private landing, and the homes carry the pre-war hallmarks buyers seek: high ceilings, hardwood floors, and period detail. The upper floors command the museum, park, and skyline views that the building's siting affords. Across 31 apartments the mix runs to substantial layouts shaped by that low-density floor plate.
Building operations
20 West 77th Street is a well-run pre-war cooperative with a part-time doorman and a live-in superintendent. The amenity set is strong for a boutique building: a landscaped roof deck with Central Park and skyline views, bicycle storage, individual storage bins, and a laundry room. The low unit count and resident superintendent produce attentive, personal management.
On policy, purchases proceed through a standard co-op board application and interview, with the financial review typical of an established pre-war cooperative. Buyers should prepare a complete board package and confirm current financing, pet, and sublet parameters with the managing agent as part of their application.
Monthly carrying charges in recent sales
- Maintenance, per room
- $722 per room a monthMedian of 5 recorded sales since October 2023Source: recorded sales, refreshed October 2026
Maintenance as recorded with each sale. A co-op's maintenance already covers the building's real estate taxes and the building's own mortgage, if it has one; add your own loan payment for the monthly outlay. A summary of recorded sales, not a current bill; charges change.
Building staffing and amenities
- Doorman
- Part-time doormanSource: The Roebling Team's building profile
- Attended lobby
- YesSource: The Roebling Team's building profile
- Live-in superintendent
- YesSource: The Roebling Team's building profile
- Elevator
- YesSource: NYC Department of City Planning records (PLUTO)
- Amenities noted
- Roof deck, bike storage, storage, laundry roomSource: The Roebling Team's building profile
Staffing and amenities as our building profile and recent listing records describe them. A feature not listed is not confirmed absent. Outdoor space, parking and some facilities can belong to particular apartments or to a separate owner; confirm access for the specific apartment.
Local Law 97
- 2024–2029 annual penalty
- $0 (under cap)
- 2030–2034 annual penalty
- $11,117/yr
- Per unit / month range
- $0 – $30
- Modeled exposure split equally across 31 units (the residential count on the city's lot record). Not an assessed amount; co-op shareholders are typically charged by share allocation.
Source: NYC LL84 benchmarking and PLUTO · The Roebling Research Library. City data last refreshed October 2026.
See full Local Law 97 analysis — emissions history, scenarios, methodology →Facade safety — Local Law 11
The latest available filing classified the facade as SWARMP — Safe With A Repair and Maintenance Program: the inspector (QEWI) identified conditions requiring monitoring or repair, with repairs due by the deadline stated in the filing. The scope, timeline, and how the building funds the work are building-specific — we review the filings and board materials for you.
How to read this, and where it comes from
QEWI = Qualified Exterior Wall Inspector — a licensed professional engineer or registered architect who meets DOB’s FISP qualifications and signs the report (the independent expert, not the managing agent).
Penalties shown are amounts DOB assessed against filings on record across 2005–10 to 2020–25. The FISP dataset does not record whether they were paid, contested or remain open, so treat the figure as history rather than a current balance and confirm the building’s standing with the managing agent.
Source: NYC DOB facade filings (FISP) · The Roebling Research Library. City data last refreshed October 2026.
Recent sales
Recent transfers at this building, from The Roebling Research Library. Prices are the transfer amounts recorded with the NYC Department of Finance; apartment-level detail is checked against the building’s own file in The Roebling Research Library before publishing.
| Date | Unit | Apartment | Price | PPSF | vs. Ask |
|---|---|---|---|---|---|
| Jun 10, 2026 | 7B | 2 BR · 1.5 BA | $1,800,000 | +12.9% | |
| Jan 8, 2026 | 11A | 3 BR · 3 BA · 1,900 sf | $2,975,000 | $1,566/sf | +0.8% |
| Dec 18, 2025 | 15A | 3 BR · 3 BA | $2,900,000 | -17.0% | |
| Sep 4, 2025 | 7A | 3 BR · 2 BA | $2,950,000 | -13.1% | |
| Apr 25, 2024 | 11B | 2 BR · 2 BA | $1,880,000 | -0.8% | |
| Aug 29, 2023 | 6A | 3 BR · 2.5 BA | $4,275,000 | — | |
| May 30, 2023 | 3A | 3 BR · 3 BA | $2,637,500 | -18.8% | |
| May 2, 2023 | 13B | 2 BR · 1 BA | $1,560,000 | -4.0% |
Market read. Most recent trades (2026 to date) cleared a median $1,566/sf (recorded) across 1 sale. Median listing discount 4.2% from the last ask — a recurring negotiation gap worth pricing into any offer or listing strategy.
The retrade record
Lines that have traded more than once in the public record — the building’s appreciation arc, apartment by apartment.
Full closing history with price-per-square-foot over time, the complete retrade record, and every line that has traded.
Sales sourced from NYC Department of Finance recorded transfers (BBL 1-01129-0045). Apartment-level facts (line, condition, asking-price context) curated and cross-verified in The Roebling Research Library. Not all transactions cross-verify with ACRIS records — sponsor and LLC purchases sometimes record at stipulated values rather than market price; square footage on co-ops is not officially recorded, figures shown are approximate.
What would your apartment rent for?
Enter your apartment and I'll send you what it would rent for, from comparable closed leases at 20 West 77th Street and nearby.
At the recent median sale of $2.92M (4 transfers in the past 24 months, since October 31, 2024), a buyer putting 25% down would pay about $51,113 to close, or 1.7% of the price.
- Mansion tax: $36,563
- No mortgage recording tax or title insurance on a co-op purchase
- Attorneys, lender, building fees and filings: $14,550
Assumes a resale (the seller pays transfer taxes), a $4,500 attorney fee and a mortgage on the rest.
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What to know if you’re buying
The view and the floor plan are the assets. A museum- and park-facing home on a low-density floor plate is a specific, scarce product — confirm the exact exposure and floor, since the difference between a high-floor museum-and-park outlook and a lower or rear exposure is the difference that drives price here. Value the two-per-floor privacy and the cross-light it delivers.
Expect a standard board process: a full package, an interview, and financials that meet the co-op's requirements. Underwrite the maintenance — which funds the staff, roof deck, and shared spaces — alongside the price. For a buyer who wants pre-war proportions and a green-and-museum outlook within the historic district, the building is a strong fit.
What to know if you’re selling
Lead with the outlook and the architecture. "Facing the Museum of Natural History and Roosevelt Park, a half-block from Central Park, in a George F. Pelham neo-Renaissance co-op" is among the most compelling descriptions a museum-block listing can carry, and the two-per-floor layout and roof-deck views reinforce it. Photograph the exposure and the light from the upper floors.
Scarcity favors the seller: the building's tiny unit count and park-and-museum outlook keep qualified buyers competing for limited inventory. Price to the specific home — floor, exposure, layout, and condition — rather than to a neighborhood average, since the upper-floor museum-and-park homes command a meaningful premium. Prepare the board package early so the application clears cleanly.
Comparable buildings
If you're considering 20 West 77th Street, these nearby Upper West Side cooperatives belong on the same shortlist:
- 40 West 77th Street — museum-block cooperative on the same street
- 15 West 81st Street — pre-war co-op near the museum
- 15 West 72nd Street — full-service cooperative off Central Park West; verify its construction era
- 17 West 71st Street — boutique pre-war co-op near the park
- 155 West 68th Street — Upper West Side cooperative near Lincoln Center
More Upper West Side buildings
- 17 West 71st Street — 1923 co-op
- 18 West 70th Street — 1926 co-op
- 18 West 87th Street — 1891 co-op
- One Lincoln Plaza (20 West 64th Street) — 1971 condominium by Philip Birnbaum & Associates
- 22 West 96th Street — 1891 co-op
- Europa (22 West 66th Street) — 1986 condominium
The neighborhood
For the full corridor — architecture, transit, and pricing across Upper West Side — read The Roebling Team Guide to Upper West Side.
The full playbook — what goes in the package, how boards read your financials, the interview, and the timeline — plus sample cover, reference, and personal letters you can adapt.
How to read the facts on this page. Items attributed to an offering plan describe the building as it was offered at that filing — unit mix, square footage, the amenity program as planned. They are not a statement about how the building operates today. Tax and compliance figures are sourced separately to current City records and carry their own dates. House rules, staffing and fee policy can change by board resolution without any public filing: treat every policy line here as a starting point for diligence and confirm it with the managing agent. Where this page compares one building or neighborhood to another, that is our analysis of the recorded record — it names the measure, the period and the sample it rests on, and it is an observation about medians rather than a prediction about any particular apartment.
Considering a move at 20 West 77th Street?
Request a private building brief with the relevant comparable sales, current and off-market availability, and an apartment-specific view of value.
646.939.7375 · c.cohen@compass.com