Leave-to-Amend Orders Have No Preclusive Effect on RGB Rent-Increase Entitlement; Minimum-Dollar RGB Increases Must Be Preserved in the Renewal Lease

Introduction

Case: Matter of Hillside Place, LLC v. Housing & Community Renewal of the State of N.Y., 2026 NY Slip Op 05308 (App. Div., 2d Dep’t Sept. 16, 2026).

This consolidated “hybrid” CPLR article 78 proceeding and declaratory-judgment action arose from a rent-stabilized rent calculation dispute between Hillside Place, LLC (the owner) and Younas Shahid (the tenant), and from administrative review by the New York State Division of Housing and Community Renewal (DHCR).

The core issue was whether the owner could include the $45 per month minimum increase authorized by Rent Guidelines Board Order No. 40 (RGB No. 40) for a one-year renewal lease commencing during the October 1, 2008–September 30, 2009 guideline year, despite having issued (and executed) a renewal lease that instead used a 3% increase and made no reference to the $45 option.

A secondary but pivotal procedural issue was whether a prior Civil Court order in a separate landlord-tenant matter—granting the owner leave to amend its petition to assert RGB No. 40 increases—bound the parties or the courts under law of the case, res judicata, or collateral estoppel.

Summary of the Opinion

The Appellate Division modified the Supreme Court’s judgment. It held that the Supreme Court erred in treating the October 17, 2011 Civil Court order as preclusive and in annulling DHCR’s removal of the $45 increase. The Second Department concluded:

  • The doctrines of law of the case, res judicata, and collateral estoppel did not apply to the October 2011 order, because that order merely granted leave to amend and was not a merits determination (nor a final judgment deciding the relevant issue).
  • DHCR’s determination that the $45 increase should be removed because the owner failed to preserve its right to that increase in the 2008–2009 renewal lease had a rational basis and was not arbitrary and capricious.

The practical result is that DHCR’s removal of the $45 component from the rent calculation stands, and the owner was not permitted to reinstate it through this litigation.

Analysis

Precedents Cited

1) Deference to DHCR and the “arbitrary and capricious” standard

  • Matter of Parsons Manor, LLC v. New York State Div. of Hous. & Community Renewal, 219 AD3d 945: The court used this case to restate the central article 78 principle: DHCR determinations must be upheld unless irrational, and courts may not substitute their judgment for DHCR’s.
  • Matter of Pell v Board of Educ. of Union Free School Dist. No. 1 of Towns of Scarsdale & Mamaroneck, Westchester County, 34 NY2d 222: Cited for the canonical definition of “arbitrary” action as lacking sound basis in reason and taken without regard to the facts.
  • 57 Elmhurst, LLC v New York State Div. of Hous. and Community Renewal, 240 AD3d 685: Invoked to reinforce the rational-basis framing for DHCR review and to support upholding DHCR where the record supports its rent-calculation decision.

2) Limits of preclusion doctrines (law of the case, res judicata, collateral estoppel)

  • Newrez, LLC v City of Middletown, 216 AD3d 655 and Foley v Foley, 190 AD3d 953: Quoted for the proposition that law of the case applies only to legal determinations necessarily resolved on the merits, on the same questions, in the same case.
  • Siddiqui v Smith, 207 AD3d 681 and Gramatan Home Invs. Corp. v Lopez, 46 NY2d 481: Used to define claim preclusion and to emphasize that res judicata requires a judgment on the merits that necessarily decided the issues sought to be relitigated.
  • Jacob Marion, LLC v Jones, 168 AD3d 1043 and Carter v Nouveau Indus., Inc., 187 AD3d 705: Cited for the framing of collateral estoppel as a narrower species of res judicata.
  • Ryan v New York Tel. Co., 62 NY2d 494: Cited for the requirement that the identical issue must have been necessarily raised and decided for collateral estoppel to apply.
  • Ott v Barash, 109 AD2d 254: Used (via Siddiqui) to stress the “general prerequisite” of a final judgment or final judicial determination for res judicata or collateral estoppel.

3) What a “leave to amend” order decides—and what it does not decide

  • Gitlin v Chirinkin, 60 AD3d 901: Cited for the liberal standard that leave to amend should be freely granted absent prejudice, surprise, or facial insufficiency.
  • Faiella v Tysens Park Apts., LLC, 110 AD3d 1028; Dray v Staten Is. Univ. Hosp., 227 AD3d 664; and Lucido v Mancuso, 49 AD3d 220: Cited for the principle that courts generally do not examine the merits on a motion to amend unless the lack of merit is “clear and free from doubt.”
  • James v R & G Hacking Corp., 39 AD3d 385 and Baskin and Sears v Lyons, 188 AD2d 307: Used to support the specific conclusion that an order granting leave to amend is not a merits determination of the underlying claim.

4) Rent-stabilization rent calculation and “preservation” of guideline increases

  • Matter of 1437 Carroll, LLC v State Div. of Hous. and Community Renewal, 150 AD3d 1224 and Matter of North Carolina Leasing Corp. v New York State Div. of Hous. and Community Renewal, 156 AD2d 452: Cited as supportive authority that DHCR has a rational basis to disallow guideline increases not properly reflected/preserved in the operative renewal documentation. (The opinion applies these cases to conclude the owner’s failure to include the $45 option in the 2008–2009 renewal supports DHCR’s determination.)
  • Matter of Casado v Markus, 16 NY3d 329: Cited to acknowledge the broader litigation history concerning RGB No. 40’s $45 minimum increase (including the temporary invalidation and later reversal), while distinguishing that history as irrelevant to the owner’s omission here because the 2008–2009 renewal was executed and completed before the 2010 invalidation.
  • Matter of Casado v Markus, 27 Misc 3d 340, 343, amended 2010 WL 6571555, affd 74 AD3d 632, revd 16 NY3d 329: Cited for the procedural timeline showing that the Supreme Court’s January 20, 2010 order invalidating the $45 provision came after the lease at issue had already run its course.

Legal Reasoning

A. No preclusive effect from the October 2011 Civil Court order

The Supreme Court treated the October 2011 Civil Court order (granting leave to amend in a separate Civil Court proceeding) as effectively settling the entitlement question. The Second Department rejected that approach on three independent doctrinal grounds:

  1. Law of the case failed because the Civil Court order was not a merits determination of the precise legal question and was not “the same case.” The order only allowed pleading amendment; it did not adjudicate whether the owner actually had the right to apply the $45 increase in rent calculations.
  2. Res judicata failed because the October 2011 order was not a final judgment on the merits deciding the relevant claim.
  3. Collateral estoppel failed because the “issue” (entitlement to the $45 increase) was not necessarily decided; the Civil Court necessarily decided only that the proposed claim was not facially meritless and that amendment would not unduly prejudice or surprise the tenant.

In effect, the court drew a sharp line between a procedural ruling that a claim may be pleaded and a substantive ruling that the claim is correct. That distinction drove the outcome: once preclusion fell away, DHCR’s administrative determination was reviewed on its own record under the deferential article 78 standard.

B. DHCR rationally concluded the owner did not preserve the $45 increase

RGB No. 40 allowed, for certain one-year renewals during the guideline year, an increase of either 4.5% or $45, whichever was greater. The owner’s 2008–2009 renewal lease, however:

  • used a 3% increase over the prior legal regulated rent; and
  • contained no reference to the alternative $45 minimum-dollar increase.

DHCR treated that omission as a failure to “preserve” the right to charge the $45 amount in the legal regulated rent calculations. Under the article 78 framework, the Second Department did not ask whether another interpretation was possible; it asked whether DHCR’s interpretation had a sound basis in reason and support in the record. It did.

C. The Casado litigation did not excuse the omission

The court acknowledged that the $45 provision was later challenged and temporarily invalidated by a January 20, 2010 Supreme Court order, and not reversed until March 24, 2011 (ultimately by the Court of Appeals in Matter of Casado v Markus, 16 NY3d 329). But that sequence did not help the owner here because the relevant renewal was dated June 25, 2008, signed in August 2008, and the lease term ended September 30, 2009—before the 2010 invalidation. Therefore, DHCR could rationally treat the owner’s 2008 decision to omit the $45 option as a binding choice in the operative renewal documentation, not an omission compelled by later legal uncertainty.

Impact

  • Clearer boundary between Housing Court procedure and DHCR rent administration: A landlord’s success in obtaining leave to amend in Civil Court does not, without a merits adjudication and finality, bind DHCR or courts reviewing DHCR on the substantive rent-entitlement question.
  • Documentation discipline for owners: Where an RGB order offers alternative computations (percentage vs. minimum dollar amount), an owner who wants the alternative benefit must ensure the renewal lease reflects it. DHCR may treat silence as non-preservation and may remove the unpreserved increase from the rent calculation.
  • Tenant-facing significance: Tenants can challenge unexplained or later-asserted guideline add-ons that were not clearly incorporated into the executed renewal lease, and DHCR’s removal of such items is likely to receive deference on article 78 review.
  • Administrative-law reinforcement: The opinion underscores that article 78 review remains a rational-basis inquiry; litigants should focus on the administrative record and the lease documents rather than attempting to transform procedural rulings in other forums into binding merits determinations.

Complex Concepts Simplified

CPLR article 78 review (“arbitrary and capricious”)
A limited form of judicial review of agency action. The court does not decide what it thinks is best; it asks whether the agency had a rational basis and followed lawful procedure.
Law of the case
A rule of consistency within the same case: a court generally follows earlier legal rulings already decided on the merits in that same litigation. It does not apply to different cases or to non-merits procedural rulings.
Res judicata (claim preclusion)
If there is a final judgment on the merits, the parties generally cannot relitigate the same claim (or claims that should have been brought) in a new action.
Collateral estoppel (issue preclusion)
Even in a different claim, a party may be barred from relitigating a specific issue only if that identical issue was actually and necessarily decided in a prior final determination.
Leave to amend
A procedural permission to change pleadings. Granting leave usually means only that the proposed claim is not obviously meritless and does not unfairly prejudice the other side—not that the claim is correct.
RGB guideline “minimum dollar” increase and “preservation”
Some RGB orders allow a choice between a percentage increase and a set-dollar minimum. “Preservation” in this context refers to reflecting the chosen increase in the executed renewal lease so it is part of the lawful regulated rent calculation.

Conclusion

Matter of Hillside Place, LLC v. Housing & Community Renewal of the State of N.Y. clarifies two practical rules in rent-stabilization administration and article 78 practice: (1) a Civil Court order granting leave to amend is not a merits adjudication and generally carries no law-of-the-case, res judicata, or collateral-estoppel force on the substantive rent-entitlement issue; and (2) DHCR may rationally remove an RGB minimum-dollar increase (here, the $45 component of RGB No. 40) where the executed renewal lease fails to reference or incorporate that alternative increase—treating the omission as a failure to preserve the right to charge it.