Co-op Affordability Calculator
Co-op boards screen on three numbers: debt-to-income ratio, post-closing liquidity, and down payment percentage. Below, enter the same data you’d put on a REBNY financial statement and see which tier of Manhattan co-op board you’d clear — from approachable mid-tier buildings through Park Avenue trophies.
+ Show advanced
Total monthly housing cost (mortgage P&I + maintenance) plus other recurring debt, divided by board-counted gross income. Most boards count 50% of bonus as recurring; some count 100% (stable W-2 finance jobs), some count 0% (inconsistent history). Trophy boards want DTI under 25%. Standard luxury wants under 28%. Approachable wants under 32%.
Your liquid assets after paying down payment + closing costs, expressed in months/years of carrying cost coverage. Trophy boards want 3+ years. Standard luxury wants 2+ years. Approachable wants 1+ year. Some Park Avenue trophies want 5+ years and all-cash.
Approachable co-ops typically require 25% down. Standard luxury Manhattan prewars (most of Park Ave + Fifth Ave) require 50% down. Trophy buildings (740 Park, 1040 Fifth, top CPW classics) are almost always all-cash, no financing. Many financially qualified buyers fail not on income but on liquidity after the down payment + closing.
- Building-specific rules. Every co-op has its own underwriting. Some boards weight reference letters and interview performance as much as numbers. We don’t simulate that.
- Source of funds. Some boards reject LLC purchases, gifted down payments, or trust structures even when financials look strong. We don’t flag this.
- Pied-à-terre and subletting restrictions. A building may reject a financially qualified buyer who plans non-primary use.
- Personal/professional fit. Boards do interview. We can’t model that.
Targeting a specific building?
Some boards approve in 4 weeks. Others reject 15% of applicants without explanation. Before you submit a board package, the right call is a 30-minute conversation about your specific building, your specific financials, and how to position the application.
Schedule a consultation →