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The Fennec Lab

NJ Condominium Act + Radburn Act

New Jersey Condo Calculators

New Jersey condominium calculators under the NJ Condominium Act (N.J.S.A. 46:8B-1+): the six-month limited-priority assessment lien under N.J.S.A. 46:8B-21, the Public Offering Statement (POS) disclosure package required under the Planned Real Estate Development Full Disclosure Act (PREDFDA) and N.J.A.C. 5:20, and Condominium Act quorum + supermajority vote thresholds (with Radburn Act 2017 election-procedure overlays).

Anchored to: N.J.S.A. 46:8B-1+ (NJ Condo Act); N.J.S.A. 46:8B-12.1 (Radburn Act 2017); N.J.A.C. 5:20

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

Most-used calculators

N.J.S.A. 46:8B-21(a) (statutory assessment lien attaches automatically when assessments come due

New Jersey Condo Assessment Lien Priority Calculator

Compute the New Jersey condominium association assessment-lien split between the six-month limited-priority portion (N.J.S.A. 46:8B-21(b), priority over first mortgages of record for REGULAR common-expense assessments only) and the sub-priority portion under the NJ Condominium Act (N.J.S.A. 46:8B-1 et seq.). Returns the limited-priority dollar amount, the sub-priority dollar amount (including special assessments, late charges, interest, and attorney fees — all of which fall outside the NJ statutory cap), an equity estimate, and a recovery-probability classification (strong, mixed, weak).

N.J.S.A. 45:22A-21 et seq. (Planned Real Estate Development Full Disclosure Act)

New Jersey PREDFDA Public Offering Statement Calculator

Compute the New Jersey Planned Real Estate Development Full Disclosure Act (PREDFDA, N.J.S.A. 45:22A-21 et seq.) Public Offering Statement timing for new sales and the N.J.A.C. 5:26-8 resale-disclosure deadline for resale transactions. Returns the POS-delivery-before-contract check, the N.J.S.A. 45:22A-37(c) 7-business-day rescission window close date, the 10-day resale-certificate delivery deadline, and the POS content checklist count.

N.J.S.A. 46:8B-13 (quorum and voting requirements for NJ condominium unit-owner meetings

New Jersey Condo Quorum & Supermajority Calculator

Compute whether a New Jersey condominium member vote has reached quorum and the votes-required-to-pass threshold under N.J.S.A. 46:8B-13 (default quorum 51% of total members unless bylaws specify otherwise) and the typical declaration-amendment supermajority of two-thirds of total unit owners. Returns the effective quorum, the votes required to pass for the vote type, and the current ballot status (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 4 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.

Read the editorial methodology →

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