ALEX STEINBERGH & another, [Note 1] trustees, [Note 2] vs. CITY OF CAMBRIDGE & another. [Note 3]

WILKINS, J. In Steinbergh v. Rent Control Bd. of Cambridge, 406 Mass. 147 (1989) (Steinbergh I), this court held that the city of Cambridge lacked authority to adopt a particular ordinance provision intended to discourage the unlawful removal of rent-controlled housing units from the rental market. That provision, a subsection of the city's ordinance concerning the removal of rent-controlled properties from the market, purported to restrict the sale of individual condominium units by a property owner owning more than one condominium unit in a building. The ordinance provision denied such an owner the right to sell individual condominium units unless the rent control board of Cambridge (board) granted a removal permit or the tenant had an exemption certificate. See id. at 148 n.4, for the specific provision.

In this action, commenced on February 9, 1990, the same plaintiff property owners who were involved in Steinbergh I seek an award of damages against the city on the theory that the city's unlawful restriction on their right to sell individual

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condominium units was unconstitutional and deprived them, to their financial detriment, of the right to sell individual condominium units from September 14, 1987 (the date the board denied the plaintiffs' application for removal permits) until November 20, 1989 (the date this court's opinion in Steinbergh I was released invalidating the challenged portion of the ordinance).

The plaintiffs' principal contention is that the city's application to their property of the challenged ordinance provision constituted an uncompensated, temporary regulatory taking of property in violation of art. 10 of the Massachusetts Declaration of Rights and the Fifth Amendment to the Constitution of the United States, applicable to the States through the Fourteenth Amendment. Chicago, B. & Q. R.R. v. Chicago, 166 U.S. 226, 241 (1897). The plaintiffs further claim a denial of due process of law under the State and Federal Constitutions and a denial of equal protection of the laws under the Constitution of the United States.

Our discussion of these issues will focus on the claimed violations of the Constitution of the United States. The plaintiffs do not argue that, acting under the Constitution of the Commonwealth, this court should apply any principle different from that established by the United States Supreme Court. In considering whether economic regulations satisfy due process, we have established no substantially different guiding standards under the Commonwealth's Constitution than the Supreme Court has established under the Constitution of the United States. See Opinion of the Justices, 408 Mass. 1215, 1217-1218 (1990); Blue Hills Cemetery, Inc. v. Board of Registration in Embalming & Funeral Directing, 379 Mass. 368, 373 n.8 (1979). Although a similarity in standards under the "takings" clauses of the two Constitutions has not been as clearly established, the plaintiffs have advanced no reason why we should create takings principles more favorable to them than those developed under the Federal Constitution.

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The case was heard below on cross motions for summary judgment. [Note 4] The city contended that the judgment entered in Steinbergh I barred the plaintiffs' claims for damages and that, in any event, as a matter of law there had been no uncompensated taking or other constitutional violation. There appears to be no dispute of material fact. The motion judge rejected the city's argument that the plaintiffs were barred by the earlier judgment from presenting their constitutionally-based claim for damages but agreed with the city that its conduct did not amount to a taking or to a denial of due process of law or equal protection of the laws. We allowed the plaintiffs' application for direct appellate review of the judgment entered in the city's favor. We affirm the judgment.

The city's rent control regulations are authorized by St. 1976, c. 36. The provision in the city's regulations whose effect is in controversy here was adopted on June 29, 1981. The plaintiffs purchased the fifty-three condominium unit property at 16 Chauncy Street on August 1, 1986. On September 14, 1987, the board ruled that the challenged regulation barred the plaintiffs from selling individual condominium units without permission from the board. During the period from September, 1987, to November, 1989, the plaintiffs received net income from the property of approximately $120,000. After Steinbergh I was decided in November, 1989, the plaintiffs sold thirty-six units to individual buyers and on December 31, 1989, they still owned seventeen units. The plaintiffs assert that the market value of their condominium units declined between September, 1987, and November, 1989, and seek recovery from the city for their losses, which they allege to be approximately $374,000.

1. The judge was correct in concluding that this action was not foreclosed by the judgment entered in Steinbergh I. The plaintiffs' claim for damages for a temporary regulatory taking is precluded only if their damage claim was or should

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have been adjudicated in Steinbergh I. Heacock v. Heacock, 402 Mass. 21, 23 (1988).

The damages claim was not adjudicated in Steinbergh I. The plaintiffs' amended complaint in Steinbergh I, which was an action for judicial review of the board's determination, pursuant to St. 1976, c. 36, Section 10, did not seek damages for a temporary taking of their property or for any other constitutional violation. That is hardly surprising in an appeal from the decision of an agency that had no authority to award damages. The amended complaint alleged that, in ruling that the regulation applied to the plaintiffs, the board acted in excess of its statutory authority and, in various other ways, in violation of law (including in violation of the State and Federal Constitutions). By that complaint, the plaintiffs sought a ruling that they were exempt from the challenged ordinance provision, but they made no allegation or prayer concerning an award of damages because of a taking of property or other constitutional violation. Indeed, a precise determination of damages prior to a final ruling that the regulation was invalid and that a damage award was appropriate would not have been possible.

The plaintiffs were not obliged, at their peril, to include in Steinbergh I a claim for damages based on constitutional violations. Steinbergh I was an appeal governed by G. L. c. 30A and based on the agency record. This court expressly did not reach the plaintiffs' constitutional challenges to the regulation, after concluding that the regulation was beyond the rent board's authority. Steinbergh I, supra at 148. The plaintiffs were not reasonably able to seek damages until the basis for their takings claim was established. Only after the regulation was ruled unlawful could the plaintiffs determine precisely whether the delay had caused them any harm. A regulatory takings claim often is not mature until the validity of the challenged local regulation has been determined. See Corn v. Lauderdale Lakes, 904 F.2d 585, 587 (11th Cir. 1990). Claim preclusion principles do not reach such a contingent claim so as to require that it be asserted in the first action, if it is to be asserted at all.

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2. The city did not make a taking of property for which the plaintiffs are entitled to compensation under the takings clauses of the State and Federal Constitutions. The general concept that a government regulation that "goes too far" is a taking was expressed seventy years ago. See Pennsylvania Coal Co. v. Mahon, 260 U.S. 393, 415 (1922). The problem over the years has been to define how far "too far" is. When the claim is that government conduct, not amounting to a permanent physical occupation or confiscation of property, involves a regulatory taking, the analysis is peculiarly fact dependent, involving "essentially ad hoc, factual inquiries." Penn Cent. Transp. Co. v. New York City, 438 U.S. 104, 124 (1978). See Yankee Atomic Elec. Co. v. Secretary of the Commonwealth, 403 Mass. 203, 209 (1988).

The alleged taking does not fall within either of the two categories of governmental regulatory action that constitute compensable takings without regard to other considerations, such as the public interest sought to be advanced. See Lucas v. South Carolina Coastal Council, 112 S. Ct. 2886, 2893 (1992). First, the challenged regulation did not authorize, direct, or otherwise involve a physical intrusion into the plaintiffs' property. See Nollan v. California Coastal Comm'n, 483 U.S. 825, 831 (1987); Loretto v. Teleprompter Manhattan CATV Corp., 458 U.S. 419, 432-433 n.9 (1982); Fragopoulos v. Rent Control Bd. of Cambridge, 408 Mass. 302, 309 (1990). Second, the challenged regulation did not deny all economically beneficial or productive use of the plaintiffs' interest in the property. See Lucas v. South Carolina Coastal Council, supra at 2893-2895; Agins v. Tiburon, 447 U.S. 255, 260 (1980). The plaintiffs collected rents while they pursued their challenge to the regulation; they received a return on their investment during that time; and they could seek rent adjustments in order to obtain "a fair net operating income for such units" (St. 1976, c. 36, Section 7 [a]). This is not, therefore, a case in which a local regulation denied all use of the affected property while the lawfulness of a regulation was being challenged. See First English Evangelical Lutheran Church of Glendale v. County of Los Angeles, 482 U.S. 304,

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321 (1987) (landowner who successfully challenges, as a temporary taking, land use regulation that denies all use of its property may recover damages incurred while challenge is pending). [Note 5]

If the governmental regulation neither results in a physical invasion of the property nor deprives a landowner of all economically beneficial use of land, there may nevertheless be a regulatory taking based, in part, on the regulation's economic impact on the property as a whole and the extent to which the regulation has interfered with a property owner's distinct investment-based expectations. [Note 6] See Penn Cent. Transp. Co. v. New York City, supra at 124-125, 130-131; Flynn v. Cambridge, 383 Mass. 152, 160 (1981). Cf. Wheeler v. Pleasant Grove, 664 F.2d 99, 100 (5th Cir. 1981), cert. denied, 456 U.S. 973 (1982) (ordinance that confiscated landowners' right to construct previously authorized apartment complex is an unconstitutional taking). The challenged regulation did not interfere with the plaintiffs' investment-based expectations. They acquired the property when the regulation was already in effect. See Fragopoulos v. Rent Control Bd. of

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Cambridge, supra at 308. The price that they paid for the property should have reflected whatever adverse impact the regulation had on the fair market value of the property. See Flynn v. Cambridge, supra at 160. Moreover, if, as seems reasonably inferable, their investment expectations were based on the ultimate invalidation of the regulation in a judicial proceeding, the plaintiffs' investment expectations had to reflect the anticipated delay in the litigation process. [Note 7]

In considerable measure, the delay to which the plaintiffs were subject is the same kind of delay that commonly occurs in seeking regulatory approvals or changes in local ordinances and by-laws, which are government-imposed processes that have not traditionally been viewed as constituting regulatory takings. See First English Evangelical Lutheran Church of Glendale v. County of Los Angeles, supra at 321 ("We . . . of course do not deal with the quite different questions that would arise in the case of normal delays in obtaining building permits, changes in zoning ordinances, variances, and the like which are not before us"); Bello v. Walker, 840 F.2d 1124, 1126 (3d Cir.), cert. denied, 488 U.S. 851, 868 (1988) ("absent extraordinary circumstances not presented by this case, [even lengthy] delays in issuing a building permit do not result in a `taking'"). Cf. Wilson v. Commonwealth, 414 Mass. 352, 355 (1992) (unreasonable agency delay in processing application could possibly be regulatory taking, where delay caused total destruction of the property). The fact that the plaintiffs could not make immediate

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optimum use of their property (and thus were unable to sell the units at prices higher than those at which they could sell them after the regulation was invalidated) does not constitute a taking. See Andrus v. Allard, 444 U.S. 51, 66 (1979); Flynn v. Cambridge, supra at 160-161.

It is, of course, true that in this case the delay was caused, not by the necessity of obtaining mandated governmental approvals, but by the process of presenting a judicial challenge to a municipal regulation. That legal challenge resulted in invalidation of the regulation as beyond the authority of the city to adopt, but not because the municipal regulation was unconstitutional as violating rights to due process or equal protection of the laws. Steinbergh I, supra at 148. The plaintiffs make no reasoned argument that, simply because a municipal regulation is not authorized by law, there is a compensable temporary taking of property, even though the regulation restricts the sale and reduces the market value of the property until the regulation is successfully challenged in court. See Estate of Himelstein v. Fort Wayne, 898 F.2d 573, 576-577 n.4 (7th Cir. 1990) (delay attributable to legal challenge to zoning laws not a taking of property).

The plaintiffs make an entirely separate takings argument based on the principle that a taking occurs when a land-use regulation "does not substantially advance legitimate state interests." Agins v. Tiburon, 447 U.S. 255, 260 (1980). In Nollan v. California Coastal Comm'n, 483 U.S. 825, 834-835 (1987), the Court observed that "a broad range of governmental purposes and regulations satisfies these requirements." The Court also noted that its "cases have not elaborated on the standards for determining what constitutes a `legitimate state interest' or what type of connection between the regulation and the state interest satisfies the requirement that the former `substantially advance' the latter." Id. at 834. The plaintiffs do not argue that the control of rents in Cambridge through local regulation is not a legitimate state interest. They focus rather on the requirement that a land-use regulation must substantially advance a state interest and argue that the restriction on the sale of their condominium

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units as individual units did not substantially advance the administration of the Cambridge rent control law.

The requirement that a regulation substantially advance the state interest may express a higher standard at least in certain circumstances than the rational basis test commonly applicable in deciding whether an exercise of the police power satisfies due process or equal protection requirements. Id. at 834 n.3. [Note 8] It may be that the degree of substantiality required varies depending on the character of the state's interest in relation to the reduction that the local regulation causes in the value and quality of the affected property. See id. at 841; [Note 9] L. Tribe, American Constitutional Law Section 9-4, at 599 n.20 (2d ed. 1988). In the case before us, unlike the Nollan case, the city has not attempted to acquire an interest in land at no cost to the public, nor has Cambridge sought to regulate the plaintiffs' property for a reason that has no connection whatever with the reason for rent control.

Under traditional principles, the burden is on the plaintiffs to demonstrate that the regulation fails to meet the constitutional standard (that is, substantially advance the regulation of rents in the city). They rely heavily on language in this court's opinion in Steinbergh I. There we were concerned with whether the regulation was necessary to the operation of

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the rent control law, in which case the city would have had implied authority to adopt it. Steinbergh I, supra at 151. The city had express authority to regulate rents but only such authority to regulate the removal of units from rent control as was necessary to regulate rents. We concluded that the ordinance provision barring an owner of a group of condominium units from selling individual condominium units separately was not necessary for that purpose. Thus the city had no implied authority to adopt it: In the case before us, the standard is not one of necessity. The test is rather whether the regulation advanced the objects of rent control and did so substantially. [Note 10]

We conclude that the challenged ordinance substantially advanced the purpose of rent control. We may rely on information available to the city council at the time of its enactment of the regulation. [Note 11] Here the legislative record, which includes a May 28, 1981, report to the city council, indicated that owners of rent-controlled condominium units were unlawfully occupying them by various devices. The task of monitoring the occupancy of newly-sold units was "an intrusive and impossible task" and financially burdensome. The report states further that evidence supports a presumption that "developer sales are tantamount to removal from the rental market." By permitting the sale of rent-controlled condominium units only as a group, except a sale to a current tenant or when the board grants a removal certificate, the

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ordinance provision eliminated one circumstance by which people had been illegally occupying rent-controlled condominium units. The elimination, through the adoption of an economically feasible restriction, of conditions that created a substantial risk of difficult-to-discover violations of an aspect of the rent control law substantially advanced the operation of the Cambridge rent control law. [Note 12] The incremental enforcement advantage of the regulation was sufficient to satisfy the constitutional standard. Although in Steinbergh I that advantage was too little to constitute a necessary provision for regulating unlawful occupation of rent-controlled units, it was nevertheless a "logical and sufficiently well-founded approach to dealing" with the problem for us to find, under the Nollan case, that the "essential nexus" between "the State's interest and its chosen means is present in this case." Esposito v. South Carolina Coastal Council, 939 F.2d 165, 169 (4th Cir. 1991), cert. denied, 112 S. Ct. 3027 (1992) (prohibition on building seaward of setback line not taking when adopted to ameliorate beachfront erosion).

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3. We need not discuss at length the plaintiffs' claims that they were denied due process of law and equal protection of the laws. In light of our conclusion that the challenged regulation substantially advanced the object of rent control in Cambridge, it is apparent that the regulation satisfied the due process requirement that a law have foundation in reason and not be an exercise of power not rationally related to a valid legislative purpose. See Smithfield Concerned Citizens for Fair Zoning v. Smithfield, 907 F.2d 239, 243-244 (1st Cir. 1990). See also Commonwealth v. B & W Transp. Inc., 388 Mass. 799, 805, appeal dismissed sub nom. Burke Distrib. Corp. v. Massachusetts, 464 U.S. 957 (1983); Gilbert v. Cambridge, 932 F.2d 51, 65-66 (1st Cir.), cert. denied, 112 S. Ct. 192 (1991). The facts that the regulation was ruled to be beyond the city's authority to enact and that the plaintiffs suffered a financial loss because they could not sell individual condominium units while their judicial challenge was in process do not amount to a denial of substantive due process. There is no claim that the city acted in bad faith or with some other improper animus. The regulation was of general application and adopted before the plaintiffs purchased their property.

For reasons already given, there was a rational basis, for equal protection of the laws purposes, in limiting the sale of individual condominium units by a multiple owner and not doing so as to an owner of only one condominium unit. The purpose was not to restrict sales of a person's investment in one or more condominium units but to reduce the illegal occupation of rent-controlled units by persons purchasing such units. The two classes of owners were treated equally because members of each class were free to sell their entire ownership interests.

Judgment affirmed.