At a glance
Firm: Charles H. Greenthal Management Corp. — the property-management arm of the Charles H. Greenthal group; part of FirstService Residential Type: New York co-op, condominium, and rental managing agent — full-service residential property management Founded: The Greenthal group traces to 1958 Portfolio: Per the firm's materials, more than 250 condominium, cooperative, and rental properties across New York City, Long Island, and Westchester County Distinct from: Charles H. Greenthal & Co., the group's residential brokerage and sales arm — which has acted as a selling agent on co-op conversions (for example, the 1979–80 conversion of a Greenwich Village co-op). This profile concerns the management company, not the brokerage Ownership: Acquired by FirstService Residential in January 2023; per the acquisition announcement, the existing Greenthal team continued to oversee day-to-day property operations Headquarters: 551 Fifth Avenue, New York, NY (per the firm's website), with an additional office in Long Island City Official website: greenthal.com — see the site's contact section Status: Active managing agent; part of FirstService Residential as of this writing Source: The Roebling Team at Compass — compiled from the firm's public materials and building records on file. July 2026.
Who Charles H. Greenthal Management is
Charles H. Greenthal Management Corp. is the property-management arm of the Charles H. Greenthal group, a New York real estate organization that traces to 1958 and remained privately held for most of its history. Per the firm's materials, the management company oversees more than 250 cooperative, condominium, and rental properties across New York City, Long Island, and Westchester — one of the larger privately owned residential portfolios in the metropolitan area.
One distinction matters for diligence. The Greenthal name appears in two roles. Charles H. Greenthal & Co. is the group's brokerage and sales arm, and it has historically acted as a selling agent on co-op conversions — a marketing-and-sales role tied to a building's original offering, not day-to-day management. Charles H. Greenthal Management is the managing agent that runs buildings on behalf of their boards. A building's offering plan might name Greenthal as the selling agent decades ago while a different firm manages it today, or vice versa; the two roles are separate and should not be conflated.
In January 2023, the Greenthal group was acquired by FirstService Residential, one of the largest residential property managers in New York. Per the announcement, the existing Greenthal management team continued to run day-to-day operations after the transaction, while gaining access to a larger national platform for back-office, technology, and affiliate services. Management assignments change over time; treat any specific building assignment as something to confirm with the building and the managing agent.
Common diligence questions
These are the questions we ask on a buyer's or seller's behalf when a building is managed by Charles H. Greenthal Management. They are prompts for diligence, not claims about this firm's practices — answers vary by building and change over time.
- Board-package turnaround: How long is management currently taking to review a completed purchase application and schedule a board interview, and what is the realistic window from submission to a closing-ready approval?
- Access to financials, reserves, and minutes: What financial statements, current budget, reserve position, and board-meeting minutes will management release to a purchaser's attorney, and how quickly?
- Responsiveness and staffing: Which property manager is assigned to the building, and how is on-site staffing structured (resident manager/superintendent, doorman/concierge coverage) versus what is handled off-site at the management office?
- Management versus selling-agent history: If the Greenthal name appears in the building's offering plan or records, is it in the management role or the historical selling-agent (brokerage) role, and who is the current managing agent?
- Closing, waiver, and move-in handling: How does the agent process the recognition/waiver of the right of first refusal (co-op) or the waiver of the right of first refusal (condo), closing scheduling, and move-in coordination, including any deposits, fees, and required lead time?
- Assessments and capital projects: Are any current or anticipated capital assessments, Local Law 11/facade, elevator, or mechanical projects on the books, and how are they being funded?
- Flip-tax and COI administration: If the building has a flip tax (transfer fee), how is it calculated and collected at closing — and what are the current insurance and certificate-of-insurance requirements for owners, contractors, and movers?
Buying or selling in a Charles H. Greenthal Management building?
We publish management-company profiles because the managing agent shapes the parts of a transaction a buyer or seller actually feels — how fast a board package moves, what the financials disclose, and how a closing gets scheduled. The Roebling Team at Compass tracks Manhattan's co-op and condo inventory building by building and brings that context to every deal.
Buying or selling in a building managed by Charles H. Greenthal Management? Request building-specific guidance →
Corey Cohen, Principal · The Roebling Team at Compass 646.939.7375 · c.cohen@compass.com
Management-company assignments, building policies, contacts and procedures can change. Buyers and sellers should verify current information with the building, managing agent, board materials, and counsel. This page reflects publicly available information and building records on file; The Roebling Team at Compass does not represent Charles H. Greenthal Management. © 2026 The Roebling Team at Compass.