Jessica Susan Blumberg

Jessica is the lead attorney for civil litigation and arbitration at Costello PC for cases in Maryland and the District of Columbia. Jessica brings her tenacious and thoughtful energy into every case. She also appreciates the importance of balancing dauntless advocacy and clients’ goals. This has earned Jessica the respect of both her clients and opposing parties and counsel.  Jessica represents clients on matters involving construction defect, landlord and tenant disputes, breach of contract, and tort claims.  Additionally, Jessica represents parties that are part of cooperative associations, condominium associations, and homeowners associations, including individual persons or the Board of Directors. 

In 2022, Jessica successfully argued before the Maryland Court of Special Appeals regarding a dispute between a homeowners association and an owner concerning a fence encroachment. You may view her oral argument here. A copy of the opinion is also available here.  Jessica was also interviewed and featured on ABC 2’s Matter for Mallory regarding this fence dispute. The article and interview may be viewed here.

In 2023, the Court of Appeals for the District of Columbia affirmed rulings on behalf of Jessica's client in two reported opinions (Weatherly v. Second Nw. Coop. Homes Ass'n, No. 22-CV-0403, 2023 D.C. App. LEXIS 337 and Weatherly v. Second Nw. Coop. Homes Ass'n, Inc., No. 22-CV-0646, 2023 D.C. App. LEXIS 339). 

Jessica obtained a Bachelor of Arts, magna cum laude, from Brandeis University and her Juris Doctorate, cum laude, from American University Washington College of Law. Following law school, Jessica clerked for the Honorable Cynthia Callahan for the Circuit Court for Montgomery County, Maryland. Prior to joining Costello PC, Jessica was a litigator at a boutique law firm and a large regional law firm in the DC area, and by age 30 was recognized as one of the best under 40 in her field in Bethesda Magazine.