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The Fennec Lab

NY Condo Act + Martin Act AG supervision

New York Condo & HOA Calculators

New York condominium calculators under RPL Article 9-B (the NY Condominium Act): the RPL § 339-z six-month limited-priority assessments-only lien (no late fees, attorney fees, or fines in the priority slice), RPAPL Article 13 exclusively judicial foreclosure with a typical 24-36 month NYC timeline, and the Attorney General Real Estate Finance Bureau offering-plan and resale-disclosure supervision regime under the Martin Act (GBL Article 23-A).

Anchored to: NY RPL Article 9-B § 339-d et seq. (Condo Act); GBL Article 23-A (Martin Act / AG Real Estate Finance Bureau); RPAPL Article 13 (judicial foreclosure only)

5 calculators live. Reviewed against current statute and regulation. Last updated 2026-05-16.

Most-used calculators

RPL Sec. 339-z (statutory condominium lien

New York Condominium Common-Charge Lien Priority Calculator — RPL Sec. 339-z Six-Month Limited Priority

Compute the limited-priority and sub-priority breakdown of a New York condominium common-charge lien under the New York Condominium Act (RPL Article 9-B, Sec. 339-d through 339-kk): RPL Sec. 339-z statutory lien with a SIX-MONTH limited priority over the first mortgage (regular common charges only — attorney fees, special assessments, late fees, and interest are NOT within priority, distinguishing New York from UCIOA-adopting jurisdictions like Connecticut); RPL Sec. 339-aa recording and judicial enforcement under RPAPL Article 13 (New York is an exclusively judicial-foreclosure state). Returns limited-priority dollars, sub-priority dollars, total lien gross and net, estimated equity, and recovery bands for each priority layer.

RPL Sec. 339-aa (judicial enforcement of the condominium lien under RPAPL Article 13)

New York Condominium Foreclosure Timeline Calculator — RPAPL Article 13 Judicial Foreclosure

Project the New York condominium common-charge lien judicial-foreclosure timeline under RPL Sec. 339-aa (judicial enforcement) and RPAPL Article 13 (Sec. 1301-1391). New York is an EXCLUSIVELY JUDICIAL foreclosure jurisdiction — no power-of-sale enforcement permitted under any circumstance. Returns the demand-letter date, lien-recording date, service deadline (CPLR Sec. 306-b 120-day cap), projected answer deadline (CPLR Sec. 320(a)), motion-for-order-of-reference date (RPAPL Sec. 1321), referee's report date, judgment of foreclosure and sale date, and projected sale date. Typical NYC uncontested timeline 24-36 months; longer when contested.

RPL Sec. 339-u (by-laws shall provide for quorum and voting

New York Condominium Quorum & Supermajority Calculator — RPL Sec. 339-u Quorum, 339-v Amendments, 339-t Termination

Compute whether a New York condominium unit-owner vote has reached quorum and the votes-required-to-pass threshold under the New York Condominium Act (RPL Article 9-B, Sec. 339-d through 339-kk): RPL Sec. 339-u (by-laws-governed quorum and voting; 51% practical NY default); RPL Sec. 339-v(2)(a) (by-laws amendment 66 2/3% of common interest default); declaration amendment (66 2/3% practical NY standard); RPL Sec. 339-t (building termination / removal from condominium status — unanimous baseline with 80% destruction exception). Returns the effective quorum, votes required, quorum-met flag, and outcome (passed, failed, pending, or no-quorum).

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Grouped by who tends to use each tool. Many calculators serve more than one audience.

For boards & directors

Decision-grade tools for the items that hit the agenda — assessments, reserves, fines, votes.

For unit owners

Verify a notice, check a fine, or understand the lien exposure on a delinquent account before acting.

For attorneys

Statutory citation-level analysis suitable for client memoranda and procedural verification.

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All 5 calculators in this cluster, organized by what they compute. Use the chips to narrow to a specific area.

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How these calculators are maintained

Every YMYL calculator is reviewed quarterly and after every legislative session in the jurisdiction it covers. Citations are link-validated monthly against the relevant statute and regulation websites. The methodology page documents the discipline.

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