1 WO 2 3 4 5 6 IN THE UNITED STATES DISTRICT COURT 7 FOR THE DISTRICT OF ARIZONA
9 Joseph Masiello, No. CV-24-00045-PHX-DLR
10 Plaintiff, ORDER
11 v.
12 Realty Executives LLC,
13 Defendant. 14 15 16 Before the Court is Defendant Realty Executives, LLC’s motion to dismiss the 17 amended class action complaint. (Doc. 91.) The motion is fully briefed, and the Court heard 18 oral argument on October 21, 2025. (Docs. 94, 100, 104.) For the following reasons, the 19 motion is granted. 20 I. Background 21 Until recently, the National Association of Realtors (“NAR”) and its local chapters 22 had a longstanding “Buyer-Broker Commission Rule” (“the Rule”), which effectively 23 required home sellers to offer a percentage of their home’s sale price as commission for 24 the broker representing the buyer. (Doc. 85 at ¶¶ 1–3, 42.) If sellers did not comply with 25 the Rule, they would lose access to Multiple Listing Services (MLSs), databases where 26 virtually all homes in Arizona are sold. (Id. at ¶ 3.) 27 In 2021, Plaintiff Joseph Masiello sold his home on an Arizona MLS through 28 HomeSmart Holdings Inc, a large brokerage. (Id. at ¶ 18.) Mr. Masiello paid a 2% 1 commission ($8,200) to the seller broker and a 2.5% commission ($10,250) to the buyer 2 broker. (Id.) 3 Mr. Masiello filed a class action complaint against more than a dozen real estate 4 brokers and local NAR chapters, alleging that an agreement to implement the Rule was an 5 anticompetitive conspiracy in violation of federal and state antitrust laws, 15 U.S.C. § 1 6 and A.R.S. § 44-1402. (Doc. 1 at ¶¶ 5–6.) Mr. Masiello alleges that several realty groups, 7 including Realty Executives, encouraged brokers and other affiliates to become members 8 of the NAR or its local chapters, served in leadership roles in the local NAR chapters, and 9 otherwise implemented the Rule “in the day-to-day transactions involving home sales in 10 Arizona.” (Doc. 85 at ¶ 6.) 11 Various Defendants, including HomeSmart, subsequently resolved their potential 12 liability through a nationwide NAR settlement and other settlements, leaving only two 13 Defendants named in the amended complaint: brokers Realty Executives and My Home 14 Group Real Estate, LLC. (Id. at ¶ 22.) The Court granted a stay to My Home Group pending 15 final approval of a settlement in the Western District of Missouri. (Doc. 98.) Realty 16 Executives, meanwhile, moved to dismiss for lack of Article III standing and antitrust 17 standing. (Doc. 91 at 3, 5.) As explained below, the Court agrees that Mr. Masiello lacks 18 Article III standing to complain about Realty Executives’ alleged anticompetitive conduct, 19 so the Court does not reach the antitrust standing issue. 20 II. Legal Standard 21 Under Article III of the Constitution, federal courts may adjudicate only “cases” or 22 “controversies.” Lujan v. Defs. of Wildlife, 504 U.S. 555, 559 (1992). Standing is “an 23 essential and unchanging part of the case-or-controversy requirement of Article III.” 24 Wolfson v. Brammer, 616 F.3d 1045, 1056 (9th Cir. 2010) (quotation omitted). Article III 25 standing requires a plaintiff to show: (1) an “injury in fact,” (2) that is “fairly traceable” to 26 the defendant, and (3) a likelihood that the injury will be “redressed by a favorable 27 decision.” Lujan, 504 U.S. at 560–61 (citations and quotations omitted). “If none of the 28 named plaintiffs purporting to represent a class establishes the requisite of a case or 1 controversy with the defendants, none may seek relief on behalf of himself or any other 2 member of the class.” O'Shea v. Littleton, 414 U.S. 488, 494 (1974). 3 III. Discussion 4 As a preliminary matter, Mr. Masiello alleges an injury in fact. Using data from 5 comparable international real estate markets, Mr. Masiello claims that an American home 6 seller should pay a commission fee of 3% or less in a competitive market. (Doc. 85 at ¶¶ 7 59–60.) However, Mr. Masiello paid 4.5% in commission when he sold his home, totaling 8 $18,450. (Id. at ¶ 18.) Accepting these allegations as true, Mr. Masiello paid about 1.5% 9 more in commission than he should have paid in a competitive market, totaling 10 approximately $6,150. 11 The dispute here is about traceability. Mr. Masiello does not allege that he transacted 12 with Realty Executives. He instead transacted with HomeSmart and an unnamed buyer 13 broker. (Id.) Nonetheless, Mr. Masiello argues that his injury is fairly traceable to Realty 14 Executives’ conduct because Realty Executives participated in a conspiracy that harm him. 15 (See Doc. 94 at 4–5.) 16 Generally, “a plaintiff who has no cause of action against the defendant can not 17 fairly and adequately protect the interests of those who do have such causes of action. This 18 is true even though the plaintiff may have suffered an identical injury at the hands of a 19 party other than the defendant.” La Mar v. H & B Novelty & Loan Co., 489 F.2d 461, 466 20 (9th Cir. 1973) (internal quotations omitted). However, “this position does not embrace 21 situations in which all injuries are the result of a conspiracy or concerted schemes between 22 the defendants at whose hands the class suffered injury.” Id. “[T]he action of any of the 23 conspirators to restrain or monopolize trade is, in law, the action of all.” Beltz Travel Serv., 24 Inc. v. Int’l Air Transp. Ass’n, 620 F.2d 1360, 1367 (9th Cir. 1980). Essentially, “[b]ecause 25 antitrust liability is joint and several, a Plaintiff injured by one Defendant as a result of the 26 conspiracy has standing to represent a class of individuals injured by any of the 27 Defendant’s co-conspirators.” See In re NASDAQ Mkt.-Makers Antitrust Litig., 169 F.R.D. 28 493, 508 (S.D.N.Y. 1996). 1 When a conspiracy claim is necessary to the plaintiff’s theory of traceability, the 2 plaintiff must properly allege the conspiracy. After all, if a defendant did not plausibly 3 participate in a conspiracy that harmed the plaintiff, then the plaintiff’s injury cannot 4 plausibly be traced to defendant’s conduct. It therefore is proper for the Court to consider 5 whether Mr. Masiello has plausibly alleged that Realty Executives participated in a 6 conspiracy because doing so is necessary to resolve the issue of traceability. 7 An antitrust conspiracy is a tacit or express agreement to illegally restrain trade. Bell 8 Atl. Corp. v. Twombly, 550 U.S. 544, 553 (2007). A plaintiff alleging conspiracy must 9 plead “allegations plausibly suggesting (not merely consistent with) agreement.” Id. at 545. 10 “[M]ere allegations of parallel conduct—even consciously parallel conduct—are 11 insufficient to state a claim under § 1 [of the Sherman Antitrust Act]. Plaintiffs must plead 12 something more, some further factual enhancement, a further circumstance pointing toward 13 a meeting of the minds of the alleged conspirators.” In re Musical Instruments & Equip. 14 Antitrust Litig., 798 F.3d 1186, 1193 (9th Cir. 2015) (citation and quotations omitted).
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1 WO 2 3 4 5 6 IN THE UNITED STATES DISTRICT COURT 7 FOR THE DISTRICT OF ARIZONA
9 Joseph Masiello, No. CV-24-00045-PHX-DLR
10 Plaintiff, ORDER
11 v.
12 Realty Executives LLC,
13 Defendant. 14 15 16 Before the Court is Defendant Realty Executives, LLC’s motion to dismiss the 17 amended class action complaint. (Doc. 91.) The motion is fully briefed, and the Court heard 18 oral argument on October 21, 2025. (Docs. 94, 100, 104.) For the following reasons, the 19 motion is granted. 20 I. Background 21 Until recently, the National Association of Realtors (“NAR”) and its local chapters 22 had a longstanding “Buyer-Broker Commission Rule” (“the Rule”), which effectively 23 required home sellers to offer a percentage of their home’s sale price as commission for 24 the broker representing the buyer. (Doc. 85 at ¶¶ 1–3, 42.) If sellers did not comply with 25 the Rule, they would lose access to Multiple Listing Services (MLSs), databases where 26 virtually all homes in Arizona are sold. (Id. at ¶ 3.) 27 In 2021, Plaintiff Joseph Masiello sold his home on an Arizona MLS through 28 HomeSmart Holdings Inc, a large brokerage. (Id. at ¶ 18.) Mr. Masiello paid a 2% 1 commission ($8,200) to the seller broker and a 2.5% commission ($10,250) to the buyer 2 broker. (Id.) 3 Mr. Masiello filed a class action complaint against more than a dozen real estate 4 brokers and local NAR chapters, alleging that an agreement to implement the Rule was an 5 anticompetitive conspiracy in violation of federal and state antitrust laws, 15 U.S.C. § 1 6 and A.R.S. § 44-1402. (Doc. 1 at ¶¶ 5–6.) Mr. Masiello alleges that several realty groups, 7 including Realty Executives, encouraged brokers and other affiliates to become members 8 of the NAR or its local chapters, served in leadership roles in the local NAR chapters, and 9 otherwise implemented the Rule “in the day-to-day transactions involving home sales in 10 Arizona.” (Doc. 85 at ¶ 6.) 11 Various Defendants, including HomeSmart, subsequently resolved their potential 12 liability through a nationwide NAR settlement and other settlements, leaving only two 13 Defendants named in the amended complaint: brokers Realty Executives and My Home 14 Group Real Estate, LLC. (Id. at ¶ 22.) The Court granted a stay to My Home Group pending 15 final approval of a settlement in the Western District of Missouri. (Doc. 98.) Realty 16 Executives, meanwhile, moved to dismiss for lack of Article III standing and antitrust 17 standing. (Doc. 91 at 3, 5.) As explained below, the Court agrees that Mr. Masiello lacks 18 Article III standing to complain about Realty Executives’ alleged anticompetitive conduct, 19 so the Court does not reach the antitrust standing issue. 20 II. Legal Standard 21 Under Article III of the Constitution, federal courts may adjudicate only “cases” or 22 “controversies.” Lujan v. Defs. of Wildlife, 504 U.S. 555, 559 (1992). Standing is “an 23 essential and unchanging part of the case-or-controversy requirement of Article III.” 24 Wolfson v. Brammer, 616 F.3d 1045, 1056 (9th Cir. 2010) (quotation omitted). Article III 25 standing requires a plaintiff to show: (1) an “injury in fact,” (2) that is “fairly traceable” to 26 the defendant, and (3) a likelihood that the injury will be “redressed by a favorable 27 decision.” Lujan, 504 U.S. at 560–61 (citations and quotations omitted). “If none of the 28 named plaintiffs purporting to represent a class establishes the requisite of a case or 1 controversy with the defendants, none may seek relief on behalf of himself or any other 2 member of the class.” O'Shea v. Littleton, 414 U.S. 488, 494 (1974). 3 III. Discussion 4 As a preliminary matter, Mr. Masiello alleges an injury in fact. Using data from 5 comparable international real estate markets, Mr. Masiello claims that an American home 6 seller should pay a commission fee of 3% or less in a competitive market. (Doc. 85 at ¶¶ 7 59–60.) However, Mr. Masiello paid 4.5% in commission when he sold his home, totaling 8 $18,450. (Id. at ¶ 18.) Accepting these allegations as true, Mr. Masiello paid about 1.5% 9 more in commission than he should have paid in a competitive market, totaling 10 approximately $6,150. 11 The dispute here is about traceability. Mr. Masiello does not allege that he transacted 12 with Realty Executives. He instead transacted with HomeSmart and an unnamed buyer 13 broker. (Id.) Nonetheless, Mr. Masiello argues that his injury is fairly traceable to Realty 14 Executives’ conduct because Realty Executives participated in a conspiracy that harm him. 15 (See Doc. 94 at 4–5.) 16 Generally, “a plaintiff who has no cause of action against the defendant can not 17 fairly and adequately protect the interests of those who do have such causes of action. This 18 is true even though the plaintiff may have suffered an identical injury at the hands of a 19 party other than the defendant.” La Mar v. H & B Novelty & Loan Co., 489 F.2d 461, 466 20 (9th Cir. 1973) (internal quotations omitted). However, “this position does not embrace 21 situations in which all injuries are the result of a conspiracy or concerted schemes between 22 the defendants at whose hands the class suffered injury.” Id. “[T]he action of any of the 23 conspirators to restrain or monopolize trade is, in law, the action of all.” Beltz Travel Serv., 24 Inc. v. Int’l Air Transp. Ass’n, 620 F.2d 1360, 1367 (9th Cir. 1980). Essentially, “[b]ecause 25 antitrust liability is joint and several, a Plaintiff injured by one Defendant as a result of the 26 conspiracy has standing to represent a class of individuals injured by any of the 27 Defendant’s co-conspirators.” See In re NASDAQ Mkt.-Makers Antitrust Litig., 169 F.R.D. 28 493, 508 (S.D.N.Y. 1996). 1 When a conspiracy claim is necessary to the plaintiff’s theory of traceability, the 2 plaintiff must properly allege the conspiracy. After all, if a defendant did not plausibly 3 participate in a conspiracy that harmed the plaintiff, then the plaintiff’s injury cannot 4 plausibly be traced to defendant’s conduct. It therefore is proper for the Court to consider 5 whether Mr. Masiello has plausibly alleged that Realty Executives participated in a 6 conspiracy because doing so is necessary to resolve the issue of traceability. 7 An antitrust conspiracy is a tacit or express agreement to illegally restrain trade. Bell 8 Atl. Corp. v. Twombly, 550 U.S. 544, 553 (2007). A plaintiff alleging conspiracy must 9 plead “allegations plausibly suggesting (not merely consistent with) agreement.” Id. at 545. 10 “[M]ere allegations of parallel conduct—even consciously parallel conduct—are 11 insufficient to state a claim under § 1 [of the Sherman Antitrust Act]. Plaintiffs must plead 12 something more, some further factual enhancement, a further circumstance pointing toward 13 a meeting of the minds of the alleged conspirators.” In re Musical Instruments & Equip. 14 Antitrust Litig., 798 F.3d 1186, 1193 (9th Cir. 2015) (citation and quotations omitted). 15 Facts pointing toward a conspiracy may include direct allegations of an agreement or 16 circumstantial “plus factors” that make it plausible to infer the existence of a conspiracy. 17 United States v. Apple, Inc., 791 F.3d 290, 315 (2d Cir. 2015). “Whereas parallel conduct 18 is as consistent with independent action as with conspiracy, plus factors are economic 19 actions and outcomes that are largely inconsistent with unilateral conduct but largely 20 consistent with explicitly coordinated action.” In re Musical Instruments, 798 F.3d at 1194. 21 Courts often conceptualize complex conspiracies as wheels. A “hub-and-spoke” 22 conspiracy consists of “both vertical agreements between the hub and each spoke and a 23 horizontal agreement among the spokes to adhere to the hub's terms, often because the 24 spokes would not have gone along with the vertical agreements except on the 25 understanding that the other spokes were agreeing to the same thing.” Apple, 791 F.3d at 26 314 (quotation omitted). By contrast, a “rimless” conspiracy “is one in which various 27 defendants enter into separate agreements with a common defendant, but where the 28 defendants have no connection with one another, other than the common defendant's 1 involvement in each transaction.” Dickson v. Microsoft Corp., 309 F.3d 193, 203 (4th Cir. 2 2002). 3 A hub-and-spoke conspiracy may be treated as a single conspiracy in which all 4 participants are jointly and severally liable for any harm attributable to the conspiracy. See 5 In re Musical Instruments, 798 F.3d at 1192 (“One conspiracy can involve both direct 6 competitors and actors up and down the supply chain, and hence consist of both horizontal 7 and vertical agreements.”). However, “a rimless wheel conspiracy is not a single, general 8 conspiracy but instead amounts to multiple conspiracies between the common defendant 9 and each of the other defendants.” Dickson, 309 F.3d at 203. Thus, Mr. Masiello’s injury 10 can fairly be traced to Realty Executives if Realty Executives participated in the same 11 conspiracy as HomeSmart or the buyer broker that Mr. Masiello transacted with—that is, 12 if there was a horizontal agreement between the brokers. 13 Here, the allegations do not plausibly suggest a horizontal conspiracy between 14 brokers. In arguing otherwise at oral argument, Mr. Masiello cited Relevent Sports, LLC v. 15 United States Soccer Federation, Inc., where the court held that “adoption of a binding 16 association rule designed to prevent competition is direct evidence of concerted action.” 17 61 F.4th 299, 307–09 (2d Cir. 2023). Mr. Masiello argues that the fact that Realty 18 Executives adopted the Rule plausibly suggests on its own that Realty Executives was in a 19 horizontal conspiracy with other brokers who adopted the Rule. But the Court is not 20 persuaded that this is enough to allege an anticompetitive horizontal conspiracy when there 21 are non-conspiratorial reasons for adopting the Rule. 22 Mr. Masiello “fail[s] to account for conscious parallelism and the pressures of an 23 interdependent market.” In re Musical Instruments, 798 F.3d at 1195. “[V]ertical 24 agreements, lawful in the abstract, can in context be useful evidence for a plaintiff 25 attempting to prove the existence of a horizontal cartel, particularly where multiple 26 competitors sign vertical agreements that would be against their own interests were they 27 acting independently[.]” Apple, 791 F.3d at 319–20 (internal quotations and citations 28 omitted). But to account for conscious parallelism, a plaintiff generally must allege that 1 “individual action would be so perilous in the absence of advance agreement that no 2 reasonable firm would make the challenged move without such an agreement.” In re 3 Musical Instruments, 798 F.3d at 1195; see also Twombly, 550 U.S. at 566–67 (finding that 4 “there was just no need for joint encouragement” to engage in allegedly anticompetitive 5 conduct when each competitor had an independent reason for wanting to engage in the 6 conduct). Nothing in the amended complaint suggests that it would be perilously 7 unreasonable for one broker to independently adopt the Rule. 8 In re Insurance Brokerage Antitrust Litigation is instructive here. 618 F.3d 300 (3d 9 Cir. 2010). There, commercial insurance purchasers sued insurers and insurance brokers 10 for entering formal “strategic partnerships,” wherein the brokers funneled clients to certain 11 insurers and insulated them from competition. See id. at 308, 312. In exchange, the insurers 12 paid the brokers contingent commission payments, which led to higher premiums for 13 purchasers. See id. The plaintiffs alleged that this was a hub-and-spoke conspiracy with the 14 brokers as the hub and the insurers as spokes in horizontal agreement. See id. at 327. 15 However, this was a rimless wheel conspiracy. See id. at 335–36. First, the existence 16 of the vertical agreements alone did not plausibly suggest a horizontal conspiracy between 17 the insurers. Id. at 327. Furthermore, although charging higher prices was theoretically 18 against the insurers’ competitive interests, the insurers had sufficient market incentive to 19 enter agreements with the brokers because the brokers controlled the market. Id. at 327– 20 28. The court wrote: 21 [T]he defendant brokers decided to consolidate the pool of insurers to which they referred business in order to improve 22 efficiency and extract higher commissions from each of their insurer-partners. As defendants point out, “[o]nce a broker 23 decided to organize its business in this fashion, each insurer had sound, independent business reasons to pay contingent 24 commissions to become and remain a ‘preferred insurer.’ Paying such commissions helped the insurer to compete for 25 and retain a larger share of its partners' business than if it had no such vertical relationships.” In short, the obvious 26 explanation for each insurer's decision to enter into a contingent commission agreement with a broker that was 27 consolidating its pool of insurers was that each insurer independently calculated that it would be more profitable to be 28 within the pool than without. The complaints themselves reinforce this conclusion with their portrait of a concentrated 1 brokerage market, in which a handful of brokers controlled the majority of client business, and an unconcentrated, more 2 competitive market of insurers vying for premium dollars. According to plaintiffs' own account, “[t]he Insurer Defendants 3 are thus largely dependent on the Broker Defendants to assure access to business and protect their market share.” (“The close 4 bond between broker and client gives brokers tremendous influence, and often decisive control, over the placement of 5 their clients' insurance business.”). Given this economic landscape, each insurer had an obvious incentive to enter into 6 the “strategic partnerships” offered by the defendant brokers, irrespective of the actions of its competitors. 7 8 Id. (citations to the record omitted). 9 This matter is remarkably similar. Both the brokers in Insurance Brokerage and the 10 NAR dominated their respective markets and accordingly incentivized compliance with 11 anticompetitive rules. Since at least the 1980s, the NAR has restricted access to MLSs 12 unless brokers complied with the NAR’s rules. (See Doc. 85 at ¶ 26). The NAR formally 13 adopted the Rule in 1996. (Id. at ¶ 31). Nearly all homes are sold on MLSs, so the NAR 14 largely controlled the real estate market. (Id. at ¶ 3). Mr. Masiello acknowledges that 15 “[a]ccess to MLSs was essential for brokers to effectively serve buyers and sellers in the 16 market.” (Id. at ¶ 67.) So, the NAR established a longstanding market structure wherein 17 brokers could either comply with the Rule and gain access to the critically important MLSs 18 or reject the Rule and lose access to the MLSs. 19 Thus, just as the insurers in Insurance Brokerage had strong independent incentives 20 to comply with the insurance brokers’ requirements, each real estate broker here had an 21 obvious incentive to agree to the Rule, irrespective of the actions of its competitors.1 22 Therefore, the mere fact that the brokers all adopted the Rule does not plausibly suggest 23 that there was a horizontal conspiracy among the brokers. 24 The amended complaint does not contain any other facts that might suggest a 25 horizontal conspiracy between the brokers. It instead focuses on the separate relationships 26 1 This market structure does not excuse the real estate brokers from their 27 participation in the allegedly anticompetitive vertical conspiracies with the NAR and its local chapters. See Flintkote Co. v. Lysfjord, 246 F.2d 368, 375 (9th Cir. 1957). Rather, the 28 market structure simply suggests that the brokers had rational incentives to comply with the Rule beyond horizontal agreements with other brokers. 1 || between the local NAR chapters and each broker. (Doc. 85 at §§ 51-55.) Thus, Mr. 2|| Masiello at most alleges a rimless wheel conspiracy. The Court must therefore treat the 3 || agreements between each broker and the local NAR chapters as separate conspiracies. Even if Realty Executives entered an anticompetitive agreement with the NAR and its local 5 || chapters, Realty Executives cannot be jointly and severally liable for the harm other 6|| brokers caused Mr. Masiello. This means Mr. Masiello lacks Article III standing to sue 7|| Realty Executives because his alleged injury is not fairly traceable to Realty Executives’ 8 || conduct. 9 IV. Leave to Amend 10 “The court should freely give leave when justice so requires.” Fed. R. Civ. P. ]} 15(a)(2). However, a “court may deny such a motion if permitting an amendment would || prejudice the opposing party, produce an undue delay in the litigation, or result in futility 13 || for lack of merit.” Jackson v. Bank of Hawaii, 902 F.2d 1385, 1387 (9th Cir. 1990). Mr. Masiello does not request leave to amend in his moving documents, nor has he filed a 15 || motion for leave to amend under Local Rule 15.1(a). Moreover, at oral argument, Mr. 16 || Masiello indicated that he has no additional facts to allege beyond those found herein to be deficient. Therefore, the Court will not grant Mr. Masiello leave to amend because doing 18 |} so would be futile. 19 V. Conclusion 20 In sum, Mr. Masiello lacks Article III standing because his theory of traceability depends on alleging a horizontal conspiracy between Realty Executives and other brokers, || but the amended complaint fails to do so. 23 IT IS ORDERED that Realty Executives’ Motion to Dismiss (Doc. 91) is || GRANTED. Mr. Masiello’s claims against Realty Executives are DISMISSED. 25 Dated this 27th day of January, 2026. 26 -
28 Do L. Rayes Senior United States District Judge
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