Fannie Mae's 15% reserve floor arrives in January. NYC condo boards need to act.

Fannie Mae Lender Letter LL-2026-03, issued March 18, 2026, raises the minimum reserve allocation for condo associations from 10% to 15% of total annual assessment income, effective for any mortgage application dated January 4, 2027, or later. A building that falls short of the floor and lacks a qualifying reserve study gets marked "Unavailable" in Fannie Mae's Condo Project Manager system: conventional financing freezes for every unit until the board corrects its budget. New York's Condominium Act does not require reserve studies. Albany adjourned June 18, 2026, without passing reserve study legislation. The person advising most NYC condo boards on their annual budgets still needs no professional license in this state.

What the 15% floor requires.

For any mortgage application dated on or after January 4, 2027, the condo association's operating budget must allocate at least 15% of total annual budgeted assessment income to the reserve fund. Freddie Mac Bulletin 2026-C, also issued March 18, 2026, mirrors the requirement for Freddie-eligible mortgages. Loan applications submitted before January 4, 2027, close under the prior 10% floor.

For a building with $1.2 million in annual assessment income, the difference looks like this:

For buildings already running maintenance assessments at the margin, the additional 5% is a real cost increase, not an accounting reclassification.

The reserve study bypass — and what it actually requires.

A condo association can stay below 15% without losing Fannie Mae eligibility, but only under a specific bypass: the association must have a reserve study completed or updated within the last three years, and its operating budget must adopt the funding level the reserve specialist identifies as the "highest recommended" allocation.

Two conditions that board communication often misses. First, the "highest recommended" level is binding: if a study identifies a funding range of $160,000 to $220,000 depending on inflation assumptions, the board must budget $220,000, not the lower end. Second, the "cash flow plan" that previously allowed associations to self-certify reserve adequacy was eliminated by LL-2026-03 for all loan applications dated after August 3, 2026. A board-prepared projection no longer substitutes for a third-party specialist's report.

Reserve studies typically take 60 to 90 days to complete once a qualified specialist is engaged. A board that waits until December 2026 to commission one may not have results in hand before January mortgage applications begin.

New York's Condominium Act does not require reserve studies.

New York Real Property Law Article 9-B (the Condominium Act) does not mandate reserve studies for existing condominiums. Section 339-v, which governs by-law contents, permits, but does not require, by-laws to establish reserve funds for major maintenance and repairs. Section 339-mm establishes a reserve fund requirement only for buildings converting from rental to condo ownership under a specific offering-plan process. For the roughly 10,882 existing NYC condos tracked in our 15,108-building universe, the state imposes no reserve floor and no study schedule. Reserve adequacy is whatever the building's governing documents say it is.

Two bills that would have changed this did not advance before the session ended. Assembly Bill A8945 and Senate companion S7600 would have required condo and co-op associations to commission 30-year reserve studies and include the results in annual budget disclosure. A8945 was committed to committee in 2025; S7600 was reported out of committee but did not receive a floor vote. Albany adjourned June 18 without action; the earliest opportunity to pass reserve study legislation is the 2027 session. The full adjournment record is documented here.

Two comparison points. New Jersey enacted a mandatory reserve study requirement for condos and co-ops in January 2024 and tightened it in August 2025. Virginia has required a five-year reserve study cycle for community associations under Virginia Code Section 55.1-1826, with amendments enacted in 2024. New York has neither. The gap is a policy choice that now has a concrete financial consequence: Fannie Mae's floor is doing what the legislature has not.

How a building loses conventional financing — and what it costs every unit owner.

A condo project marked "Unavailable" in Fannie Mae's Condo Project Manager (CPM) system loses conventional mortgage eligibility for every unit in the building. The designation is project-wide. One seller's buyer being denied a loan is not the isolated problem: the designation applies until the board corrects its reserve allocation and a lender re-certifies the project through CPM.

While a project carries an "Unavailable" flag, buyers can pursue non-agency financing (portfolio loans, jumbo products), but these typically require larger down payments and carry higher interest rates than Fannie Mae or Freddie Mac backed mortgages. The cost falls on the seller: a smaller buyer pool, longer days on market, and a price discount relative to conventionally financeable buildings on the same block.

The timeline for clearing an "Unavailable" designation is not fixed. A board that discovers the problem in February 2027 (when a buyer applies for a loan dated after January 4) will not clear it in time to save that closing. The correction requires a board vote to amend the 2027 budget, documented evidence of the new reserve line, and lender re-certification through CPM. In a building where board meetings are quarterly, that sequence can easily span 60 to 90 days.

The managing-agent gap.

Most NYC condo boards delegate annual budget preparation to their managing agent. The managing agent proposes assessment levels, recommends line allocations including reserves, and presents the budget document for board ratification. In New York, a managing agent of a residential condo building is not required to hold any professional license. S.71, the managing-agent licensure bill, has not advanced for ten consecutive sessions. The person whose reserve recommendation determines whether your building retains conventional financing access answers to no licensing board.

A managing agent who recommends a 7% reserve allocation in a 2027 budget, and whose advice results in the building losing warrantability, is not subject to discipline by the Department of State or any other regulatory body. The board's recourse is breach-of-contract litigation against the management company: an avenue that requires the board to document the advice, retain counsel, and identify provable damages. Most boards in that position will fix the budget and absorb the cost. The managing agent moves on.

What boards need to do before January 4.

Six steps for the 2026 budget cycle:

• Check your current reserve percentage. Divide the reserve line in your 2026 operating budget by total annual assessment income. If the result is below 15%, you are below the new floor.
• Check your last reserve study date. A study more than three years old does not qualify as a bypass under LL-2026-03. A new or updated study must be completed before the first qualifying loan application date.
• Commission a study now. Reserve study specialists with APRA or RS designations (Community Associations Institute) often carry 60-to-90-day backlogs. A study commissioned in July 2026 can inform the 2027 budget before year-end board votes.
• Budget to the study's highest recommended level. If the study identifies a funding range, the board must adopt the top of the range: the baseline scenario does not satisfy LL-2026-03.
• Disclose to buyers' counsel. Include current reserve percentage and last reserve study date in the pre-contract disclosure package, consistent with the board's fiduciary obligation to provide material financial information to prospective buyers.
• Confirm CPM status through a lender contact. Buildings already flagged for deferred maintenance, pending litigation, or inadequate insurance may have compounding ineligibility factors beyond reserves alone.

Bottom line.

Fannie Mae's January 4, 2027 reserve floor is doing what Albany has not done across six sessions of reserve study legislation: setting a defined minimum for NYC condo reserve funding. Buildings that have chronically underreserved and never commissioned a study face a binary choice before year-end 2026: raise the reserve line in the 2027 budget to 15%, or get a qualifying study done and adopt its highest recommendation. Buildings that do neither will have their project marked "Unavailable" from the first January 2027 loan application that flags the shortfall. Board meeting calendars fill up quickly in the fall. This is a budget-season decision, not a spring-market afterthought.

Primary sources:
Fannie Mae Lender Letter LL-2026-03 (March 18, 2026) · Freddie Mac Bulletin 2026-C (March 18, 2026) · NY Real Property Law Article 9-B (Condominium Act) · NY Assembly A8945 (reserve study bill, 2025 session) · NY Senate S7600 (reserve study companion, 2025 session) · Virginia Code §55.1-1826

Companion resources: Fannie Mae's August 3 limited-review elimination → · Albany adjourned without four co-op reform bills → · New Jersey mandated reserve studies. New York hasn't. → · S.71 and the licensure gap → · Issue: no reserve fund requirement in NY → · All open regulatory gaps →