Costello, P.C.

Costello, P.C. brings a legacy of legal excellence to the Washington, D.C., Maryland, and Virginia region, known for delivering strategic counsel, principled advocacy, and consistently successful outcomes. The firm’s foundation is built on a commitment to integrity, confidentiality, and high-quality service tailored to meet the unique goals of each client.

Costello, P.C. emphasizes thorough preparation, precise legal interpretation, and customized representation to achieve favorable results in complex disputes and transactional matters. The firm’s legal team draws from deep experience and a sharp understanding of local laws, ensuring clients benefit from both strategic foresight and meticulous legal execution.

Costello, P.C. concentrates its practice in several core areas: Community Association Law, General Litigation, Landlord-Tenant Disputes, and Commercial Real Estate Transactions. From serving as trusted general counsel to homeowner associations and cooperatives to navigating high-stakes civil litigation, the firm offers unmatched insight and dependable representation.

Costello, P.C. brings clarity and resolve to general litigation matters such as contract disputes, construction defects, boundary disagreements, tort claims, and real estate or probate litigation. Legal strategies are adapted with precision and care to each circumstance, providing clients with steadfast support and strong courtroom advocacy when necessary.

Costello, P.C. is trusted by residential and commercial landlords to handle complex eviction matters, lease enforcement, and recovery of unpaid rent. The firm balances an assertive legal posture with a respectful, professional demeanor to protect landlords’ property rights efficiently and ethically.

Costello, P.C. supports business clients through every phase of commercial real estate transactions, offering guidance on purchase and sale agreements, development contracts, leasing, easements, and risk mitigation. Clients include developers, hospitality ventures, and property management firms seeking tailored solutions with legal precision.

Costello, P.C. continues to earn the trust of its clients through proactive communication, discretion, and a relentless focus on client priorities. Every engagement is approached with the highest standards of legal care, backed by a reputation for delivering both legal clarity and resolution.