Partners
On August 30, 1993, John Bianco and Josh Rosenblum opened the law firm Rosenblum & Bianco, LLP.
Richard P. Byrne was added as a named partner in July 2023.
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Our practice is focused on the representation of landlords in New York City and the surrounding counties. Our firm appears regularly in the five boroughs of New York City as well as in Nassau, Suffolk, Westchester, and Tarrytown. We handle landlord-tenant matters in the Civil Court of the City of New York and the Supreme Court of the State of New York, as well as at administrative agencies.
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John Bianco is a founding partner of Rosenblum & Bianco, LLP.
John attended Temple University where he received his Bachelor of Science Degrees in Real Estate and Finance in 1987. John graduated Hofstra University Law School in 1990 and was admitted to the New York State Bar in 1991.
Prior to opening Rosenblum and Bianco, LLP he was an attorney for Daniels & Norelli, PC and Gutman, Mintz, Baker & Sonnefeldt, PC.
John is currently admitted to practice law in New York and New Jersey as well as the United States Court Eastern District.
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Josh Rosenblum is a founding partner of Rosenblum & Bianco, LLP.
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Josh attended college at SUNY Binghamton where he graduated in 1984. Josh graduated SUNY Buffalo Law School in 1988 and was admitted to both the New York State Bar and the Connecticut State Bar in 1989, the Federal Courts of the Southern and Eastern Districts of New York in 2012.
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Prior to opening Rosenblum & Bianco LLP he was an attorney for Gutman, Mintz, Baker & Sonnefeldt, PC.
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Richard P. Byrne joined Rosenblum & Bianco, LLP in 2017 as an associate in the firm’s Landlord/Tenant Practice. Richard made partner in July of 2023.
Prior to joining the firm, Richard spent several years representing Landlords and other creditors in post-tenancy litigation and collections proceedings. Richard’s experience in Creditor’s Rights and Commercial litigation is an asset to Rosenblum Bianco & byrne, LLP.
Richard earned his Bachelor of Science Degree from Carnegie Mellon University in 2010 before graduating from New York Law School in 2013. He was admitted to practice in New York in 2014.
Tracy Boshart, joined the firm on June 4, 2018. Tracy Made Partner in January 2025.
Mr. Boshart has been a civil litigation attorney since 1993 specializing in Landlord/Tenant, Real Property, Administrative Law and related issues. He has over 25 years’ experience in all aspects of Landlord/Tenant Law, Rent Regulation, Leasing (both litigation and negotiation), Commercial Claims, Administrative Law (including DHCR, ECB, DEC, DOB, DOH, DOS), and debtor/creditor law and collections.
Tracy brings an extremely high level of experience to our firm and is well versed in Appeals, Trials, Hearings, Motion Practice and Holdovers. He is well respected in Court and by other members of the Bar.
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Diana Morgan rejoined Rosenblum Bianco & Byrne, LLP in 2025 as a Partner after having worked with us previously from 2002 to 2023. She practices in complex civil litigation with a focus on residential and commercial real estate matters and Landlord/Tenant disputes. She is admitted to practice in New York, Pennsylvania, the Eastern District and Southern District of the U.S. District Court and currently makes daily appearances in the Landlord/Tenant Part of the New York City Civil Court , Supreme Court, and Federal Court.
Diana graduated from New York Law School in 1997 after graduating from John Jay College with honors, where she received a Bachelor of Science degree in Legal Studies.
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